Trial Outcomes & Findings for SMART Use of Medication for the Treatment of Adolescent Severe Obesity (NCT NCT04007393)

NCT ID: NCT04007393

Last Updated: 2026-05-05

Results Overview

The outcome values represent percent change in BMI from baseline to week 48.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

150 participants

Primary outcome timeframe

Baseline to Week 48

Results posted on

2026-05-05

Participant Flow

Participants were recruited in the Pediatric Weight Management Clinic, by flyers and recruitment letters.

Lifestyle Modification Therapy (LSMT): LSMT will consist of both in-person and telephone sessions delivered throughout the entirety of the 48-week intervention. Sessions will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Topiramate Pill: Topiramate dosing will begin at 50 mg every morning for the first 7 days, and then increase to 100 mg every morning through week 48.

Participant milestones

Participant milestones
Measure
Arm 1: LSMT 12
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks: if body mass index (BMI) is down 5% at 12 weeks, the participant will continue with LSMT for the remainder of the study.
Arm 1: LSMT 12 + Phentermine
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks: if BMI is not down 5% at 12 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT; i.e. at 24 weeks.
Arm 1: LSMT 12+Phentermine+Topiramate
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks: if body mass index (BMI) is down 5% at 12 weeks, the participant will continue with LSMT for the remainder of the study; if BMI is not down 5% at 12 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT; i.e. at 24 weeks. At 24 weeks, if BMI is not down by 5% at 24 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study.
Arm 1: LSMT 12+ Topiramate + Placebo
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks: if body mass index (BMI) is down 5% at 12 weeks, the participant will continue with LSMT for the remainder of the study; if BMI is not down 5% at 12 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT; i.e. at 24 weeks. At 24 weeks, if BMI is not down by 5% at 24 weeks, the participant will be randomized to topiramate+placebo+LSMT for the remainder of the study.
Arm 2: LSMT 24
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if body mass index (BMI) is down 5% at 24 weeks, the participant will continue with LSMT for the remainder of the study (i.e. for another 24 weeks)
Arm 2: LSMT 24 + Phentermine
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT.
Arm 2: LSMT 24+Phentermine+Topiramate
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT. At 36 weeks, if BMI is not down by 5% at 36 weeks, the participant will be randomized to topiramate+phentermine+LSMT for the duration of the study
Arm 2: LSMT+Topiramate+Placebo
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT. At 36 weeks, if BMI is not down by 5% at 36 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study.
Overall Study
STARTED
11
24
20
21
16
19
20
19
Overall Study
COMPLETED
11
24
19
20
11
17
20
19
Overall Study
NOT COMPLETED
0
0
1
1
5
2
0
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Arm 1: LSMT 12
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks: if body mass index (BMI) is down 5% at 12 weeks, the participant will continue with LSMT for the remainder of the study.
Arm 1: LSMT 12 + Phentermine
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks: if BMI is not down 5% at 12 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT; i.e. at 24 weeks.
Arm 1: LSMT 12+Phentermine+Topiramate
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks: if body mass index (BMI) is down 5% at 12 weeks, the participant will continue with LSMT for the remainder of the study; if BMI is not down 5% at 12 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT; i.e. at 24 weeks. At 24 weeks, if BMI is not down by 5% at 24 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study.
Arm 1: LSMT 12+ Topiramate + Placebo
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks: if body mass index (BMI) is down 5% at 12 weeks, the participant will continue with LSMT for the remainder of the study; if BMI is not down 5% at 12 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT; i.e. at 24 weeks. At 24 weeks, if BMI is not down by 5% at 24 weeks, the participant will be randomized to topiramate+placebo+LSMT for the remainder of the study.
Arm 2: LSMT 24
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if body mass index (BMI) is down 5% at 24 weeks, the participant will continue with LSMT for the remainder of the study (i.e. for another 24 weeks)
Arm 2: LSMT 24 + Phentermine
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT.
Arm 2: LSMT 24+Phentermine+Topiramate
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT. At 36 weeks, if BMI is not down by 5% at 36 weeks, the participant will be randomized to topiramate+phentermine+LSMT for the duration of the study
Arm 2: LSMT+Topiramate+Placebo
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT. At 36 weeks, if BMI is not down by 5% at 36 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study.
Overall Study
Physician Decision
0
0
0
0
1
0
0
0
Overall Study
Lost to Follow-up
0
0
1
0
2
1
0
0
Overall Study
Withdrawal by Subject
0
0
0
1
2
1
0
0

Baseline Characteristics

SMART Use of Medication for the Treatment of Adolescent Severe Obesity

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Arm 1: LSMT 12
n=11 Participants
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks: if body mass index (BMI) is down 5% at 12 weeks, the participant will continue with LSMT for the remainder of the study Lifestyle Modification Therapy (LSMT): LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Sessions will last 30-60 minutes.
Arm 1: LSMT 12+Phentermine
n=24 Participants
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks: if body mass index (BMI) is not down 5% at 12 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT. Lifestyle Modification Therapy (LSMT): LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Sessions will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks at which time there will be an assessment of weight loss. Subjects who achieve 5% or more BMI reduction after 12 weeks will continue 15 mg every morning for the remainder of the study along with their LSMT.
Arm 1: LSMT 12+Phentermine+Topiramate
n=20 Participants
If BMI is not down by 5% at 24 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Lifestyle Modification Therapy (LSMT): LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Sessions will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks at which time there will be an assessment of weight loss. Subjects who achieve 5% or more BMI reduction after 12 weeks will continue 15 mg every morning for the remainder of the study along with their LSMT. Topiramate Pill: Topiramate dosing will begin at 50 mg every morning for the first 7 days, and then increase to 100 mg every morning through week 48. At the end of week 48 the taper off will be 50 mg every morning for 7 days and then discontinue.
Arm 1: LSMT+Topiramate+Placebo
n=21 Participants
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if body mass index (BMI) is down 5% at 24 weeks, the participant will continue with LSMT for the remainder of the study; if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT. At 24 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study; if BMI is not down by 5% at 24 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Lifestyle Modification Therapy (LSMT): LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Sessions will last 30-60 minutes. Topiramate Pill: Topiramate dosing will begin at 50 mg every morning for the first 7 days, and then increase to 100 mg every morning through week 48. At the end of week 48 the taper off will be 50 mg every morning for 7 days and then discontinue.
Arm 2: LSMT 24
n=16 Participants
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if body mass index (BMI) is down 5% at 24 weeks, the participant will continue with LSMT for the remainder of the study. Lifestyle Modification Therapy (LSMT): LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Sessions will last 30-60 minutes.
Arm 2: LSMT 24+Phentermine
n=19 Participants
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if body mass index (BMI) is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT. Lifestyle Modification Therapy (LSMT): LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Sessions will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks at which time there will be an assessment of weight loss. Subjects who achieve 5% or more BMI reduction after 12 weeks will continue 15 mg every morning for the remainder of the study along with their LSMT.
Arm 2: LSMT 24+Phentermine+Topiramate
n=20 Participants
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: when BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT. If BMI is not down by 5% at 24 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Lifestyle Modification Therapy (LSMT): LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Sessions will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks at which time there will be an assessment of weight loss. Subjects who achieve 5% or more BMI reduction after 12 weeks will continue 15 mg every morning for the remainder of the study along with their LSMT. Topiramate Pill: Topiramate dosing will begin at 50 mg every morning for the first 7 days, and then increase to 100 mg every morning through week 48. At the end of week 48 the taper off will be 50 mg every morning for 7 days and then discontinue.
Arm 2: LSMT 24+Topiramate+Placebo
n=19 Participants
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: when BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment after 12 weeks of phentermine+LSMT. If BMI is not down by 5% at 24 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Lifestyle Modification Therapy (LSMT): LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Sessions will last 30-60 minutes. Topiramate Pill: Topiramate dosing will begin at 50 mg every morning for the first 7 days, and then increase to 100 mg every morning through week 48. At the end of week 48 the taper off will be 50 mg every morning for 7 days and then discontinue.
Total
n=150 Participants
Total of all reporting groups
Age, Categorical
<=18 years
11 Participants
n=54 Participants
24 Participants
n=60 Participants
20 Participants
n=114 Participants
21 Participants
n=37 Participants
16 Participants
n=24 Participants
19 Participants
n=19 Participants
20 Participants
n=88 Participants
19 Participants
n=6 Participants
150 Participants
n=15 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=54 Participants
0 Participants
n=60 Participants
0 Participants
n=114 Participants
0 Participants
n=37 Participants
0 Participants
n=24 Participants
0 Participants
n=19 Participants
0 Participants
n=88 Participants
0 Participants
n=6 Participants
0 Participants
n=15 Participants
Age, Categorical
>=65 years
0 Participants
n=54 Participants
0 Participants
n=60 Participants
0 Participants
n=114 Participants
0 Participants
n=37 Participants
0 Participants
n=24 Participants
0 Participants
n=19 Participants
0 Participants
n=88 Participants
0 Participants
n=6 Participants
0 Participants
n=15 Participants
Sex: Female, Male
Female
6 Participants
n=54 Participants
18 Participants
n=60 Participants
12 Participants
n=114 Participants
15 Participants
n=37 Participants
6 Participants
n=24 Participants
11 Participants
n=19 Participants
9 Participants
n=88 Participants
13 Participants
n=6 Participants
90 Participants
n=15 Participants
Sex: Female, Male
Male
5 Participants
n=54 Participants
6 Participants
n=60 Participants
8 Participants
n=114 Participants
6 Participants
n=37 Participants
10 Participants
n=24 Participants
8 Participants
n=19 Participants
11 Participants
n=88 Participants
6 Participants
n=6 Participants
60 Participants
n=15 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=54 Participants
1 Participants
n=60 Participants
4 Participants
n=114 Participants
5 Participants
n=37 Participants
0 Participants
n=24 Participants
3 Participants
n=19 Participants
3 Participants
n=88 Participants
3 Participants
n=6 Participants
19 Participants
n=15 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
11 Participants
n=54 Participants
23 Participants
n=60 Participants
16 Participants
n=114 Participants
16 Participants
n=37 Participants
16 Participants
n=24 Participants
16 Participants
n=19 Participants
17 Participants
n=88 Participants
16 Participants
n=6 Participants
131 Participants
n=15 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=54 Participants
0 Participants
n=60 Participants
0 Participants
n=114 Participants
0 Participants
n=37 Participants
0 Participants
n=24 Participants
0 Participants
n=19 Participants
0 Participants
n=88 Participants
0 Participants
n=6 Participants
0 Participants
n=15 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=54 Participants
0 Participants
n=60 Participants
0 Participants
n=114 Participants
0 Participants
n=37 Participants
0 Participants
n=24 Participants
0 Participants
n=19 Participants
0 Participants
n=88 Participants
0 Participants
n=6 Participants
0 Participants
n=15 Participants
Race (NIH/OMB)
Asian
0 Participants
n=54 Participants
0 Participants
n=60 Participants
1 Participants
n=114 Participants
0 Participants
n=37 Participants
0 Participants
n=24 Participants
0 Participants
n=19 Participants
1 Participants
n=88 Participants
0 Participants
n=6 Participants
2 Participants
n=15 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=54 Participants
0 Participants
n=60 Participants
0 Participants
n=114 Participants
0 Participants
n=37 Participants
0 Participants
n=24 Participants
0 Participants
n=19 Participants
0 Participants
n=88 Participants
0 Participants
n=6 Participants
0 Participants
n=15 Participants
Race (NIH/OMB)
Black or African American
1 Participants
n=54 Participants
8 Participants
n=60 Participants
2 Participants
n=114 Participants
5 Participants
n=37 Participants
2 Participants
n=24 Participants
3 Participants
n=19 Participants
2 Participants
n=88 Participants
5 Participants
n=6 Participants
28 Participants
n=15 Participants
Race (NIH/OMB)
White
10 Participants
n=54 Participants
13 Participants
n=60 Participants
14 Participants
n=114 Participants
13 Participants
n=37 Participants
13 Participants
n=24 Participants
13 Participants
n=19 Participants
12 Participants
n=88 Participants
13 Participants
n=6 Participants
101 Participants
n=15 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=54 Participants
2 Participants
n=60 Participants
2 Participants
n=114 Participants
3 Participants
n=37 Participants
1 Participants
n=24 Participants
2 Participants
n=19 Participants
4 Participants
n=88 Participants
1 Participants
n=6 Participants
15 Participants
n=15 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=54 Participants
1 Participants
n=60 Participants
1 Participants
n=114 Participants
0 Participants
n=37 Participants
0 Participants
n=24 Participants
1 Participants
n=19 Participants
1 Participants
n=88 Participants
0 Participants
n=6 Participants
4 Participants
n=15 Participants
Region of Enrollment
United States
11 participants
n=54 Participants
24 participants
n=60 Participants
20 participants
n=114 Participants
21 participants
n=37 Participants
16 participants
n=24 Participants
19 participants
n=19 Participants
20 participants
n=88 Participants
19 participants
n=6 Participants
150 participants
n=15 Participants

PRIMARY outcome

Timeframe: Baseline to Week 48

The outcome values represent percent change in BMI from baseline to week 48.

Outcome measures

Outcome measures
Measure
LSMT 12
n=11 Participants
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 12 weeks. If body mass index (BMI) is down 5% at 12 weeks, the participant will continue with LSMT for the remainder of the study; if BMI is not down 5% at 12 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment at week 24.
LSMT 12+Phentermine
n=24 Participants
At 24 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study; if BMI is not down by 5% at 24 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Subjects will take 15 mg of phentermine every morning.
LSMT 12+Phentermine+Topiramate
n=19 Participants
At 24 weeks if BMI is not down by 5% the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Phentermine Pill: Subjects will take 15 mg of phentermine every morning. Topiramate Pill: Topiramate will begin at 50 mg every morning for 7 days, then increase to 100 mg every morning. At the end of week 48 the taper off will be 50 mg every morning for 7 days and then discontinue.
LSMT 12+Topiramate+Placebo
n=20 Participants
At 24 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study; if BMI is not down by 5% at 24 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Topiramate Pill: Topiramate will begin at 50 mg every morning for 7 days, then increase to 100 mg every morning. At the end of week 48 the taper off will be 50 mg every morning for 7 days and then discontinue. Placebo Pill: Participant will take one placebo pill each morning.
LSMT 24
n=11 Participants
Participants in this arm will start LSMT at baseline and have a weight loss response assessment at 24 weeks: if body mass index (BMI) is down 5% at 24 weeks, the participant will continue with LSMT for the remainder of the study; if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss response assessment at 36 weeks.
LSMT 24+Phentermine
n=17 Participants
At 36 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study; if BMI is not down by 5% at 36 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Phentermine Pill: Phentermine will be started only if a participant does not lose 5% of BMI after 24 weeks of LSMT. Subjects will take 15 mg of phentermine every morning.
LSMT 24+Phentermine+Topiramate
n=20 Participants
At 36 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study; if BMI is not down by 5% at 36 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Phentermine Pill: Phentermine will be started only if a participant does not lose 5% of BMI after 24 weeks of LSMT. Subjects will take 15 mg of phentermine every morning. Topiramate Pill: Topiramate will begin at 50 mg every morning for 7 days, then increase to 100 mg every morning. At the end of week 48 the taper off will be 50 mg every morning for 7 days and then discontinue.
LSMT+Topiramate+Placebo
n=19 Participants
At 36 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study; if BMI is not down by 5% at 36 weeks, the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Topiramate Pill:Topiramate will begin at 50 mg every morning for 7 days, then increase to 100 mg every morning. At the end of week 48 the taper off will be 50 mg every morning for 7 days and then discontinue. Placebo Pill: Participants will take one placebo pill in the morning.
Percent Change in Body Mass Index (BMI)
-9.62 % change in body mass index (BMI)
Standard Deviation 7.00
-12.27 % change in body mass index (BMI)
Standard Deviation 8.2
-4.53 % change in body mass index (BMI)
Standard Deviation 8.42
-2.53 % change in body mass index (BMI)
Standard Deviation 5.97
-12.36 % change in body mass index (BMI)
Standard Deviation 7.71
-9.52 % change in body mass index (BMI)
Standard Deviation 5.17
-3.45 % change in body mass index (BMI)
Standard Deviation 5.11
-0.30 % change in body mass index (BMI)
Standard Deviation 5.05

Adverse Events

Arm 1: LSMT x 12

Serious events: 1 serious events
Other events: 11 other events
Deaths: 0 deaths

Arm 1: LSMT 12 +Phentermine

Serious events: 2 serious events
Other events: 20 other events
Deaths: 0 deaths

Arm 1: LSMT +12+Phentermine+Topiramate

Serious events: 3 serious events
Other events: 20 other events
Deaths: 0 deaths

Arm 1: LSMT 12+Phentermine+Placebo

Serious events: 1 serious events
Other events: 21 other events
Deaths: 0 deaths

Arm 2: LSMT x 24

Serious events: 2 serious events
Other events: 16 other events
Deaths: 0 deaths

Arm 2: LSMT 24+Phentermine

Serious events: 0 serious events
Other events: 19 other events
Deaths: 0 deaths

Arm 2: LSMT 24X Phentermine+Topiramate

Serious events: 0 serious events
Other events: 20 other events
Deaths: 0 deaths

Arm 2: LSMT 24+Phentermine+Placebo

Serious events: 0 serious events
Other events: 19 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Arm 1: LSMT x 12
n=11 participants at risk
Participants will start LSMT at baseline and have a weight loss assessment at 12 weeks: if BMI is down 5% at 12 weeks, the participant will continue with LSMT for the remainder of the study. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes.
Arm 1: LSMT 12 +Phentermine
n=24 participants at risk
Participants in this arm will start LSMT at baseline and have a weight loss assessment at 12 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss assessment after 12 weeks of phentermine+LSMT. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT.
Arm 1: LSMT +12+Phentermine+Topiramate
n=20 participants at risk
Participants in this arm will start LSMT at baseline and have a weight loss assessment at 12 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss assessment after 12 weeks of phentermine+LSMT. At 36 weeks, if BMI is not down by 5% the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT. Topiramate Pill: Participants who do no not achieve at least 5% BMI reduction after 12 weeks of phentermine+LSMT will be re-randomized 1:1 to either topiramate+phentermine+LSMT or topiramate+placebo+LSMT. Dosing will be 50 mg every morning for the first 7 days, then increase to 100 mg. Participants will taper off with 50 mg every morning for 7 days and then discontinue.
Arm 1: LSMT 12+Phentermine+Placebo
n=21 participants at risk
Participants in this arm will start LSMT at baseline and have a weight loss assessment at 12 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss assessment after 12 weeks of phentermine+LSMT. At 36 weeks, if BMI is not down by 5% the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Topiramate Pill: Participants who do no not achieve at least 5% BMI reduction after 12 weeks of phentermine+LSMT will be re-randomized 1:1 to either topiramate+phentermine+LSMT or topiramate+placebo+LSMT. Dosing will be 50 mg every morning for the first 7 days, then increase to 100 mg. Participants will taper off with 50 mg every morning for 7 days and then discontinue.
Arm 2: LSMT x 24
n=16 participants at risk
Participants in this arm will start LSMT at baseline and have a weight loss assessment at 24 weeks: if BMI is down 5% at 24 weeks, the participant will continue with LSMT for the remainder of the study; if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss assessment after 12 weeks of phentermine+LSMT. At 36 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study; if BMI is not down by 5% the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT. Topiramate Pill: Participants who do no not achieve at least 5% BMI reduction after 12 weeks of phentermine+LSMT will be re-randomized 1:1 to either topiramate+phentermine+LSMT or topiramate+placebo+LSMT. Dosing will be 50 mg every morning for the first 7 days, then increase to 100 mg. Participants will taper off with 50 mg every morning for 7 days and then discontinue.
Arm 2: LSMT 24+Phentermine
n=19 participants at risk
Participants in this arm will start LSMT at baseline and have a weight loss assessment at 24 weeks; if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss assessment after 12 weeks of phentermine+LSMT. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT.
Arm 2: LSMT 24X Phentermine+Topiramate
n=20 participants at risk
Participants in this arm be assessed at 36 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT. Topiramate Pill: Participants who do no not achieve at least 5% BMI reduction after 12 weeks of phentermine+LSMT will be re-randomized 1:1 to either topiramate+phentermine+LSMT or topiramate+placebo+LSMT. Dosing will be 50 mg every morning for the first 7 days, then increase to 100 mg. Participants will taper off with 50 mg every morning for 7 days and then discontinue.
Arm 2: LSMT 24+Phentermine+Placebo
n=19 participants at risk
Participants in this arm be assessed at 36 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT. Topiramate Pill: Participants who do no not achieve at least 5% BMI reduction after 12 weeks of phentermine+LSMT will be re-randomized 1:1 to either topiramate+phentermine+LSMT or topiramate+placebo+LSMT. Dosing will be 50 mg every morning for the first 7 days, then increase to 100 mg. Participants will taper off with 50 mg every morning for 7 days and then discontinue.
Injury, poisoning and procedural complications
Ankle Fracture
9.1%
1/11 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/24 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/20 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/21 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/16 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/20 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Hepatobiliary disorders
Cholecystectomy
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/24 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/20 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/21 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
6.2%
1/16 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/20 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Respiratory, thoracic and mediastinal disorders
Status Asthmaticus
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/24 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.0%
1/20 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/21 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/16 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/20 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Gastrointestinal disorders
Foodborne Illness
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/24 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.0%
1/20 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/21 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/16 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/20 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Psychiatric disorders
Self-Injurious Behavior
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
4.2%
1/24 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.0%
1/20 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
4.8%
1/21 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
6.2%
1/16 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/20 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Psychiatric disorders
Auditory Hallucination
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
4.2%
1/24 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/20 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/21 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/16 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/20 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.

Other adverse events

Other adverse events
Measure
Arm 1: LSMT x 12
n=11 participants at risk
Participants will start LSMT at baseline and have a weight loss assessment at 12 weeks: if BMI is down 5% at 12 weeks, the participant will continue with LSMT for the remainder of the study. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes.
Arm 1: LSMT 12 +Phentermine
n=24 participants at risk
Participants in this arm will start LSMT at baseline and have a weight loss assessment at 12 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss assessment after 12 weeks of phentermine+LSMT. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT.
Arm 1: LSMT +12+Phentermine+Topiramate
n=20 participants at risk
Participants in this arm will start LSMT at baseline and have a weight loss assessment at 12 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss assessment after 12 weeks of phentermine+LSMT. At 36 weeks, if BMI is not down by 5% the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT. Topiramate Pill: Participants who do no not achieve at least 5% BMI reduction after 12 weeks of phentermine+LSMT will be re-randomized 1:1 to either topiramate+phentermine+LSMT or topiramate+placebo+LSMT. Dosing will be 50 mg every morning for the first 7 days, then increase to 100 mg. Participants will taper off with 50 mg every morning for 7 days and then discontinue.
Arm 1: LSMT 12+Phentermine+Placebo
n=21 participants at risk
Participants in this arm will start LSMT at baseline and have a weight loss assessment at 12 weeks: if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss assessment after 12 weeks of phentermine+LSMT. At 36 weeks, if BMI is not down by 5% the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Topiramate Pill: Participants who do no not achieve at least 5% BMI reduction after 12 weeks of phentermine+LSMT will be re-randomized 1:1 to either topiramate+phentermine+LSMT or topiramate+placebo+LSMT. Dosing will be 50 mg every morning for the first 7 days, then increase to 100 mg. Participants will taper off with 50 mg every morning for 7 days and then discontinue.
Arm 2: LSMT x 24
n=16 participants at risk
Participants in this arm will start LSMT at baseline and have a weight loss assessment at 24 weeks: if BMI is down 5% at 24 weeks, the participant will continue with LSMT for the remainder of the study; if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss assessment after 12 weeks of phentermine+LSMT. At 36 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study; if BMI is not down by 5% the participant will be randomized to topiramate+phentermine+LSMT or topiramate+placebo+LSMT for the remainder of the study. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT. Topiramate Pill: Participants who do no not achieve at least 5% BMI reduction after 12 weeks of phentermine+LSMT will be re-randomized 1:1 to either topiramate+phentermine+LSMT or topiramate+placebo+LSMT. Dosing will be 50 mg every morning for the first 7 days, then increase to 100 mg. Participants will taper off with 50 mg every morning for 7 days and then discontinue.
Arm 2: LSMT 24+Phentermine
n=19 participants at risk
Participants in this arm will start LSMT at baseline and have a weight loss assessment at 24 weeks; if BMI is not down 5% at 24 weeks, the participant will add phentermine to LSMT (phentermine+LSMT) and undergo a second weight loss assessment after 12 weeks of phentermine+LSMT. Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT.
Arm 2: LSMT 24X Phentermine+Topiramate
n=20 participants at risk
Participants in this arm be assessed at 36 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT. Topiramate Pill: Participants who do no not achieve at least 5% BMI reduction after 12 weeks of phentermine+LSMT will be re-randomized 1:1 to either topiramate+phentermine+LSMT or topiramate+placebo+LSMT. Dosing will be 50 mg every morning for the first 7 days, then increase to 100 mg. Participants will taper off with 50 mg every morning for 7 days and then discontinue.
Arm 2: LSMT 24+Phentermine+Placebo
n=19 participants at risk
Participants in this arm be assessed at 36 weeks, if BMI is down 5% with phentermine+LSMT, the participant will continue with phentermine+LSMT for the the remainder of study Lifestyle Modification Therapy: LSMT will consist of both in-person and by telephone sessions delivered throughout the entirety of the 48-week intervention phase. Each session will last 30-60 minutes. Phentermine Pill: Subjects will take 15 mg of phentermine every morning for 12 weeks. Subjects who achieve 5% or more BMI reduction after 12 weeks of phentermine will continue 15 mg every morning for the remainder of the study along with LSMT. Topiramate Pill: Participants who do no not achieve at least 5% BMI reduction after 12 weeks of phentermine+LSMT will be re-randomized 1:1 to either topiramate+phentermine+LSMT or topiramate+placebo+LSMT. Dosing will be 50 mg every morning for the first 7 days, then increase to 100 mg. Participants will taper off with 50 mg every morning for 7 days and then discontinue.
Infections and infestations
Infections and Infestations: Other
18.2%
2/11 • Number of events 3 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
12.5%
3/24 • Number of events 4 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
15.0%
3/20 • Number of events 5 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
28.6%
6/21 • Number of events 9 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
37.5%
6/16 • Number of events 8 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
26.3%
5/19 • Number of events 9 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
25.0%
5/20 • Number of events 8 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
36.8%
7/19 • Number of events 11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Psychiatric disorders
Psychiatric Disorders: Other
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
20.8%
5/24 • Number of events 7 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.0%
2/20 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
33.3%
7/21 • Number of events 12 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
18.8%
3/16 • Number of events 4 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.5%
2/19 • Number of events 5 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
25.0%
5/20 • Number of events 5 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
15.8%
3/19 • Number of events 4 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Gastrointestinal disorders
Dry Mouth
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
12.5%
3/24 • Number of events 3 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
15.0%
3/20 • Number of events 3 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
14.3%
3/21 • Number of events 3 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/16 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
20.0%
4/20 • Number of events 5 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.5%
2/19 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Nervous system disorders
Paresthesia
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/24 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
15.0%
3/20 • Number of events 3 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
33.3%
7/21 • Number of events 8 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
6.2%
1/16 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
20.0%
4/20 • Number of events 4 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Nervous system disorders
Headaches
18.2%
2/11 • Number of events 4 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
4.2%
1/24 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.0%
2/20 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
14.3%
3/21 • Number of events 3 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
6.2%
1/16 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.0%
1/20 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
15.8%
3/19 • Number of events 3 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Psychiatric disorders
Depressed Mood
9.1%
1/11 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
4.2%
1/24 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.0%
2/20 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
4.8%
1/21 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
6.2%
1/16 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.5%
2/19 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
20.0%
4/20 • Number of events 4 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.5%
2/19 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Injury, poisoning and procedural complications
Injury, poisoning, and procedural complications: other
9.1%
1/11 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
4.2%
1/24 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
15.0%
3/20 • Number of events 3 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
4.8%
1/21 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
12.5%
2/16 • Number of events 6 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.5%
2/19 • Number of events 4 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/20 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
15.8%
3/19 • Number of events 4 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Nervous system disorders
Dizziness
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
8.3%
2/24 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.0%
1/20 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
9.5%
2/21 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
12.5%
2/16 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.5%
2/19 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
15.0%
3/20 • Number of events 3 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
General disorders
Sleepiness/fatigue
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
8.3%
2/24 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
20.0%
4/20 • Number of events 4 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
4.8%
1/21 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
12.5%
2/16 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.0%
2/20 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Gastrointestinal disorders
Gastrointestinal Disorders: Other
18.2%
2/11 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/24 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.0%
2/20 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
19.0%
4/21 • Number of events 6 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/16 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.0%
2/20 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Gastrointestinal disorders
Nausea
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/24 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.0%
2/20 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
9.5%
2/21 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
12.5%
2/16 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.0%
2/20 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Nervous system disorders
Difficulty focusing or concentrating
9.1%
1/11 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/24 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.0%
1/20 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
9.5%
2/21 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
12.5%
2/16 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.0%
1/20 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.5%
2/19 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Psychiatric disorders
Agitation/Irritability
18.2%
2/11 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
8.3%
2/24 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.0%
1/20 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/21 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
6.2%
1/16 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
15.0%
3/20 • Number of events 3 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/19 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
Psychiatric disorders
Insomnia
0.00%
0/11 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
0.00%
0/24 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.0%
2/20 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
9.5%
2/21 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
6.2%
1/16 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
10.5%
2/19 • Number of events 2 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.0%
1/20 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.
5.3%
1/19 • Number of events 1 • Adverse event data were collected Randomization through Week 48.
Our adverse event (AE) and serious adverse event (SAE) definitions match that of clinicaltrials.gov.

Additional Information

Claudia Fox

University of Minnesota

Phone: 612-626-6616

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place