Trial Outcomes & Findings for Pregnancy in Polycystic Ovary Syndrome II (NCT NCT00719186)

NCT ID: NCT00719186

Last Updated: 2018-06-14

Results Overview

The primary outcome measure is the occurrence of a live birth during the study period. Safety measures will be the number and type of reported adverse events in subjects and offspring.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

750 participants

Primary outcome timeframe

as few as 5 months, up to 16 months

Results posted on

2018-06-14

Participant Flow

Participant milestones

Participant milestones
Measure
Arm A: Clomiphene Citrate
Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Clomiphene citrate: Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Arm B: Letrozole
Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Letrozole: Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Overall Study
STARTED
376
374
Overall Study
COMPLETED
376
374
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Pregnancy in Polycystic Ovary Syndrome II

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Arm A: Clomiphene Citrate
n=376 Participants
Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Clomiphene citrate: Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Arm B: Letrozole
n=374 Participants
Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Letrozole: Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Total
n=750 Participants
Total of all reporting groups
Age, Continuous
28.2 years
STANDARD_DEVIATION 4.0 • n=99 Participants
28.9 years
STANDARD_DEVIATION 4.5 • n=107 Participants
28.9 years
STANDARD_DEVIATION 4.3 • n=206 Participants
Age, Categorical
<=18 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Age, Categorical
Between 18 and 65 years
376 Participants
n=99 Participants
374 Participants
n=107 Participants
750 Participants
n=206 Participants
Age, Categorical
>=65 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Sex: Female, Male
Female
376 Participants
n=99 Participants
374 Participants
n=107 Participants
750 Participants
n=206 Participants
Sex: Female, Male
Male
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Region of Enrollment
United States
376 Participants
n=99 Participants
374 Participants
n=107 Participants
750 Participants
n=206 Participants

PRIMARY outcome

Timeframe: as few as 5 months, up to 16 months

The primary outcome measure is the occurrence of a live birth during the study period. Safety measures will be the number and type of reported adverse events in subjects and offspring.

Outcome measures

Outcome measures
Measure
Arm A: Clomiphene Citrate
n=376 Participants
Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Clomiphene citrate: Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Arm B: Letrozole
n=374 Participants
Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Letrozole: Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Live Birth
72 Participants
103 Participants

SECONDARY outcome

Timeframe: as few as 5 months, up to 16 months

Outcome measures

Outcome measures
Measure
Arm A: Clomiphene Citrate
n=376 Participants
Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Clomiphene citrate: Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Arm B: Letrozole
n=374 Participants
Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Letrozole: Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Number of Pregnancy
103 Participants
154 Participants

SECONDARY outcome

Timeframe: as few as 5 months, up to 16 months

Outcome measures

Outcome measures
Measure
Arm A: Clomiphene Citrate
n=376 Participants
Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Clomiphene citrate: Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Arm B: Letrozole
n=374 Participants
Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Letrozole: Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Number of Ovulations
331 ovulations
388 ovulations

SECONDARY outcome

Timeframe: as few as 5 months, up to 16 months

Outcome measures

Outcome measures
Measure
Arm A: Clomiphene Citrate
n=376 Participants
Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Clomiphene citrate: Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Arm B: Letrozole
n=374 Participants
Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Letrozole: Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Number of Serious Adverse Events
13 events
22 events

SECONDARY outcome

Timeframe: September 2008 - December 2011

Population: Neonatal complications reported per infant, an infant could have more than one complication.

Outcome measures

Outcome measures
Measure
Arm A: Clomiphene Citrate
n=66 Participants
Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Clomiphene citrate: Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Arm B: Letrozole
n=102 Participants
Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Letrozole: Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Neonatal Complication Rate
Neonatal jaundice
17 participants
27 participants
Neonatal Complication Rate
Neonatal respiratory distress syndrome
2 participants
7 participants
Neonatal Complication Rate
Neonatal hospitalization >3 days
4 participants
4 participants
Neonatal Complication Rate
Intrauterine growth restriction
1 participants
5 participants
Neonatal Complication Rate
Neonatal infectin
2 participants
2 participants
Neonatal Complication Rate
Minor birth defect
0 participants
1 participants
Neonatal Complication Rate
Other complication
4 participants
5 participants
Neonatal Complication Rate
Congenital anomaly
1 participants
4 participants
Neonatal Complication Rate
Neonatal death
2 participants
1 participants

Adverse Events

Arm A: Clomiphene Citrate

Serious events: 13 serious events
Other events: 283 other events
Deaths: 0 deaths

Arm B: Letrozole

Serious events: 21 serious events
Other events: 285 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Arm A: Clomiphene Citrate
n=355 participants at risk;n=376 participants at risk
Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Clomiphene citrate: Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Arm B: Letrozole
n=359 participants at risk;n=374 participants at risk
Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Letrozole: Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Reproductive system and breast disorders
Ovarian torsion
0.27%
1/376 • 4 years
0.00%
0/374 • 4 years
Reproductive system and breast disorders
Ectopic Pregnancy
0.80%
3/376 • 4 years
1.1%
4/374 • 4 years
Reproductive system and breast disorders
Ruptured Corpus Luteum Cyst
0.00%
0/376 • 4 years
0.27%
1/374 • 4 years
Skin and subcutaneous tissue disorders
Carcinoma of the Skin-stage 3
0.27%
1/376 • 4 years
0.00%
0/374 • 4 years
Hepatobiliary disorders
cholecystectomy
0.27%
1/376 • 4 years
0.27%
1/374 • 4 years
Reproductive system and breast disorders
Heterotopic Pregnancy
0.27%
1/376 • 4 years
0.00%
0/374 • 4 years
Reproductive system and breast disorders
Pregnancy of Unknown Location
0.27%
1/376 • 4 years
0.27%
1/374 • 4 years
Gastrointestinal disorders
Appendectomy
0.00%
0/376 • 4 years
0.27%
1/374 • 4 years
Hepatobiliary disorders
Cholecystitis
0.00%
0/376 • 4 years
0.27%
1/374 • 4 years
Renal and urinary disorders
Mid ureteral stone
0.00%
0/376 • 4 years
0.27%
1/374 • 4 years
Congenital, familial and genetic disorders
Congenital Anomaly
0.27%
1/376 • 4 years
1.1%
4/374 • 4 years
Pregnancy, puerperium and perinatal conditions
Fetal Demise
0.27%
1/376 • 4 years
0.27%
1/374 • 4 years
Pregnancy, puerperium and perinatal conditions
Neonatal death
0.53%
2/376 • 4 years
0.27%
1/374 • 4 years
General disorders
Hospitalization
0.80%
3/376 • 4 years
1.3%
5/374 • 4 years

Other adverse events

Other adverse events
Measure
Arm A: Clomiphene Citrate
n=355 participants at risk;n=376 participants at risk
Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Clomiphene citrate: Clomiphene citrate 50 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Arm B: Letrozole
n=359 participants at risk;n=374 participants at risk
Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks Letrozole: Letrozole 2.5 mg every day for 5 days (day 3-7 of cycle), for a total of 5 cycles or 20 weeks
Nervous system disorders
Headache
47.9%
170/355 • 4 years
46.5%
167/359 • 4 years
Musculoskeletal and connective tissue disorders
abdominal/pelvic pain
38.9%
138/355 • 4 years
40.7%
146/359 • 4 years
Gastrointestinal disorders
Nausea
25.6%
91/355 • 4 years
30.6%
110/359 • 4 years
Endocrine disorders
Hot flashes
33.0%
117/355 • 4 years
20.3%
73/359 • 4 years
Reproductive system and breast disorders
Breast pain
21.4%
76/355 • 4 years
21.2%
76/359 • 4 years
General disorders
Fatigue
14.9%
53/355 • 4 years
21.7%
78/359 • 4 years
Reproductive system and breast disorders
Dysmenorrhea
18.0%
64/355 • 4 years
16.7%
60/359 • 4 years
Musculoskeletal and connective tissue disorders
Back pain
15.5%
55/355 • 4 years
17.8%
64/359 • 4 years
Gastrointestinal disorders
Dyspepsia
17.5%
62/355 • 4 years
12.5%
45/359 • 4 years
Gastrointestinal disorders
Abdominal bloating
11.8%
42/355 • 4 years
13.6%
49/359 • 4 years
Psychiatric disorders
Agitation
10.4%
37/355 • 4 years
12.0%
43/359 • 4 years
Nervous system disorders
Dizziness
7.6%
27/355 • 4 years
12.3%
44/359 • 4 years
Infections and infestations
Upper respiratory infection
8.7%
31/355 • 4 years
10.6%
38/359 • 4 years
Psychiatric disorders
Irritability
9.3%
33/355 • 4 years
9.2%
33/359 • 4 years
Musculoskeletal and connective tissue disorders
Joint/limb pain
7.3%
26/355 • 4 years
9.2%
33/359 • 4 years
Infections and infestations
Flu like symptoms
5.1%
18/355 • 4 years
8.1%
29/359 • 4 years
Gastrointestinal disorders
Diarrhea
5.1%
18/355 • 4 years
6.7%
24/359 • 4 years
Gastrointestinal disorders
Vomiting
5.6%
20/355 • 4 years
5.8%
21/359 • 4 years
Skin and subcutaneous tissue disorders
Acne/ oily skin
6.8%
24/355 • 4 years
4.5%
16/359 • 4 years
Gastrointestinal disorders
Constipation
5.6%
20/355 • 4 years
4.7%
17/359 • 4 years
Reproductive system and breast disorders
Abnormal vaginal bleeding
2.5%
9/355 • 4 years
5.0%
18/359 • 4 years
Psychiatric disorders
Insomnia
3.9%
14/355 • 4 years
3.3%
12/359 • 4 years
Infections and infestations
Vaginal infection
4.5%
16/355 • 4 years
2.2%
8/359 • 4 years
Infections and infestations
Allergic rhinitis
3.4%
12/355 • 4 years
2.8%
10/359 • 4 years
Infections and infestations
fever
2.5%
9/355 • 4 years
3.6%
13/359 • 4 years
Infections and infestations
Urinary tract infection
2.8%
10/355 • 4 years
3.3%
12/359 • 4 years
Musculoskeletal and connective tissue disorders
Myalgia
2.5%
9/355 • 4 years
2.8%
10/359 • 4 years
Psychiatric disorders
Depression
2.8%
10/355 • 4 years
1.7%
6/359 • 4 years
Renal and urinary disorders
Urinary frequency
2.3%
8/355 • 4 years
1.9%
7/359 • 4 years
Reproductive system and breast disorders
Vaginal discharge
1.1%
4/355 • 4 years
2.5%
9/359 • 4 years
Eye disorders
Blurred vision
1.1%
4/355 • 4 years
2.2%
8/359 • 4 years
General disorders
Chills
2.3%
8/355 • 4 years
1.1%
4/359 • 4 years
Respiratory, thoracic and mediastinal disorders
Sinus complaints
1.1%
4/355 • 4 years
2.2%
8/359 • 4 years
General disorders
First Trimester other complication during pregnancy
2.3%
8/355 • 4 years
4.2%
15/359 • 4 years
Pregnancy, puerperium and perinatal conditions
Second Trimester Hyperemesis
1.4%
5/355 • 4 years
2.2%
8/359 • 4 years
Pregnancy, puerperium and perinatal conditions
Second Trimester Gestational Diabetes
3.7%
13/355 • 4 years
7.5%
27/359 • 4 years
Pregnancy, puerperium and perinatal conditions
Second Trimester Pre-eclampsia/ eclampsia
3.7%
13/355 • 4 years
5.0%
18/359 • 4 years
Pregnancy, puerperium and perinatal conditions
Second Trimester pretem labor
3.4%
12/355 • 4 years
3.9%
14/359 • 4 years
Pregnancy, puerperium and perinatal conditions
Second Trimester Premature rupture of membrane
2.0%
7/355 • 4 years
2.2%
8/359 • 4 years
Pregnancy, puerperium and perinatal conditions
Second Trimester Incompetant cervix
1.7%
6/355 • 4 years
2.2%
8/359 • 4 years
Pregnancy, puerperium and perinatal conditions
Post-partum hemorrhage
0.85%
3/355 • 4 years
2.2%
8/359 • 4 years
Infections and infestations
Post-partum Infection
0.56%
2/355 • 4 years
1.9%
7/359 • 4 years
Hepatobiliary disorders
Neonatal Jaundice
4.8%
17/355 • 4 years
7.5%
27/359 • 4 years
Respiratory, thoracic and mediastinal disorders
Neonatal respiratory distress syndrome
0.56%
2/355 • 4 years
1.9%
7/359 • 4 years

Additional Information

Heping Zhang

Yale University

Phone: 203-785-5185

Results disclosure agreements

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