Trial Outcomes & Findings for Efficacy of Caffeine Injection as an Adjuvant to Opioid Therapy in Cancer Pain (NCT NCT00879775)

NCT ID: NCT00879775

Last Updated: 2011-03-29

Results Overview

Scores were measured by Numeric Rating Scale. Scores range from 0 to 10; higher scores represent higher levels of pain, and possible side effects (drowsiness, confusion, nausea) of opioids.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

41 participants

Primary outcome timeframe

two days

Results posted on

2011-03-29

Participant Flow

42 participants were screened. 1 did not meet criteria.

Participant milestones

Participant milestones
Measure
Caffeine
Intravenous injections of 200mg of caffeine with 100ml of normal saline over 1 hour
Placebo
Intravenous injections of 100ml of normal saline over 1 hour
Overall Study
STARTED
20
21
Overall Study
COMPLETED
18
20
Overall Study
NOT COMPLETED
2
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Caffeine
Intravenous injections of 200mg of caffeine with 100ml of normal saline over 1 hour
Placebo
Intravenous injections of 100ml of normal saline over 1 hour
Overall Study
Lost to Follow-up
2
1

Baseline Characteristics

Efficacy of Caffeine Injection as an Adjuvant to Opioid Therapy in Cancer Pain

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Caffeine
n=20 Participants
Intravenous injections of 200mg of caffeine with 100ml of normal saline over 1 hour
Placebo
n=21 Participants
Intravenous injections of 100ml of normal saline over 1 hour
Total
n=41 Participants
Total of all reporting groups
Age Continuous
63.40 years
STANDARD_DEVIATION 11.76 • n=99 Participants
67.83 years
STANDARD_DEVIATION 9.76 • n=107 Participants
65.67 years
STANDARD_DEVIATION 10.88 • n=206 Participants
Sex: Female, Male
Female
9 Participants
n=99 Participants
12 Participants
n=107 Participants
21 Participants
n=206 Participants
Sex: Female, Male
Male
11 Participants
n=99 Participants
9 Participants
n=107 Participants
20 Participants
n=206 Participants
Region of Enrollment
Korea, Republic of
20 participants
n=99 Participants
21 participants
n=107 Participants
41 participants
n=206 Participants
Symptom score
Pain
3.25 scores
STANDARD_DEVIATION 1.06 • n=99 Participants
3.52 scores
STANDARD_DEVIATION 1.12 • n=107 Participants
3.39 scores
STANDARD_DEVIATION 1.09 • n=206 Participants
Symptom score
Drowsiness
4.05 scores
STANDARD_DEVIATION 1.57 • n=99 Participants
4.24 scores
STANDARD_DEVIATION 1.54 • n=107 Participants
4.15 scores
STANDARD_DEVIATION 1.54 • n=206 Participants
Symptom score
Nausea
2.20 scores
STANDARD_DEVIATION 1.19 • n=99 Participants
2.33 scores
STANDARD_DEVIATION 1.23 • n=107 Participants
2.27 scores
STANDARD_DEVIATION 1.21 • n=206 Participants
Symptom score
Sleep
4.20 scores
STANDARD_DEVIATION 1.96 • n=99 Participants
3.90 scores
STANDARD_DEVIATION 1.86 • n=107 Participants
4.05 scores
STANDARD_DEVIATION 1.90 • n=206 Participants
Symptom score
Sadness
4.55 scores
STANDARD_DEVIATION 1.39 • n=99 Participants
4.23 scores
STANDARD_DEVIATION 1.51 • n=107 Participants
4.39 scores
STANDARD_DEVIATION 1.45 • n=206 Participants
Symptom score
Fatigue
4.50 scores
STANDARD_DEVIATION 1.60 • n=99 Participants
4.47 scores
STANDARD_DEVIATION 1.56 • n=107 Participants
4.49 scores
STANDARD_DEVIATION 1.57 • n=206 Participants
Symptom score
Confusion
1.95 scores
STANDARD_DEVIATION 1.57 • n=99 Participants
2.52 scores
STANDARD_DEVIATION 1.50 • n=107 Participants
2.24 scores
STANDARD_DEVIATION 1.55 • n=206 Participants
Health-related quality of life
4.30 scores
STANDARD_DEVIATION 1.34 • n=99 Participants
4.19 scores
STANDARD_DEVIATION 1.12 • n=107 Participants
4.24 scores
STANDARD_DEVIATION 1.22 • n=206 Participants
Impact of symptom burden to daily life (by MD Anderson Symptom Inventory-Korean)
Daily living
5.00 scores
STANDARD_DEVIATION 2.12 • n=99 Participants
5.90 scores
STANDARD_DEVIATION 1.86 • n=107 Participants
5.46 scores
STANDARD_DEVIATION 2.03 • n=206 Participants
Impact of symptom burden to daily life (by MD Anderson Symptom Inventory-Korean)
Mode
5.90 scores
STANDARD_DEVIATION 1.51 • n=99 Participants
6.09 scores
STANDARD_DEVIATION 1.33 • n=107 Participants
6.00 scores
STANDARD_DEVIATION 1.41 • n=206 Participants
Impact of symptom burden to daily life (by MD Anderson Symptom Inventory-Korean)
Work
6.25 scores
STANDARD_DEVIATION 2.14 • n=99 Participants
6.90 scores
STANDARD_DEVIATION 1.64 • n=107 Participants
6.59 scores
STANDARD_DEVIATION 1.91 • n=206 Participants
Impact of symptom burden to daily life (by MD Anderson Symptom Inventory-Korean)
Interpersonal relationship
4.80 scores
STANDARD_DEVIATION 2.01 • n=99 Participants
5.09 scores
STANDARD_DEVIATION 1.54 • n=107 Participants
4.95 scores
STANDARD_DEVIATION 1.77 • n=206 Participants
Impact of symptom burden to daily life (by MD Anderson Symptom Inventory-Korean)
Gait ability
4.45 scores
STANDARD_DEVIATION 2.50 • n=99 Participants
5.61 scores
STANDARD_DEVIATION 1.93 • n=107 Participants
5.05 scores
STANDARD_DEVIATION 2.28 • n=206 Participants
Impact of symptom burden to daily life (by MD Anderson Symptom Inventory-Korean)
Life enjoyment
6.70 scores
STANDARD_DEVIATION 1.97 • n=99 Participants
7.66 scores
STANDARD_DEVIATION 1.55 • n=107 Participants
7.20 scores
STANDARD_DEVIATION 1.82 • n=206 Participants

PRIMARY outcome

Timeframe: two days

Population: intention to treat

Scores were measured by Numeric Rating Scale. Scores range from 0 to 10; higher scores represent higher levels of pain, and possible side effects (drowsiness, confusion, nausea) of opioids.

Outcome measures

Outcome measures
Measure
Caffeine
n=18 Symptoms
Intravenous injections of 200mg of caffeine with 100ml of normal saline over 1 hour
Placebo
n=20 Symptoms
Intravenous injections of 100ml of normal saline over 1 hour
Numeric Rating of Scale (From 0 to 10) of Pain and Possible Side Effects (Drowsiness, Confusion, Nausea) of Opioids
Pain
2.22 scores
Standard Deviation 1.22
3.10 scores
Standard Deviation 1.17
Numeric Rating of Scale (From 0 to 10) of Pain and Possible Side Effects (Drowsiness, Confusion, Nausea) of Opioids
Drowsiness
2.83 scores
Standard Deviation 1.92
3.05 scores
Standard Deviation 1.57
Numeric Rating of Scale (From 0 to 10) of Pain and Possible Side Effects (Drowsiness, Confusion, Nausea) of Opioids
Confusion
1.89 scores
Standard Deviation 1.68
2.20 scores
Standard Deviation 1.36
Numeric Rating of Scale (From 0 to 10) of Pain and Possible Side Effects (Drowsiness, Confusion, Nausea) of Opioids
Nausea
2.28 scores
Standard Deviation 1.41
1.80 scores
Standard Deviation 0.77

PRIMARY outcome

Timeframe: two days

Scores were measured by Numeric Rating Scale. Scores range from 0 to 10; a higher score represents a higher level of sleep disturbance.

Outcome measures

Outcome measures
Measure
Caffeine
n=18 Symptoms
Intravenous injections of 200mg of caffeine with 100ml of normal saline over 1 hour
Placebo
n=20 Symptoms
Intravenous injections of 100ml of normal saline over 1 hour
Numeric Rating of Scale (From 0 to 10) of Possible Sleep Disturbance of Opioids
3.53 scores
Standard Deviation 1.81
3.80 scores
Standard Deviation 1.79

SECONDARY outcome

Timeframe: two days

Population: intention to treat

Scores were measured by Numeric Rating Scale. Scores range from 0 to 10; a higher score represents a higher level of fatigue.

Outcome measures

Outcome measures
Measure
Caffeine
n=18 Symptoms
Intravenous injections of 200mg of caffeine with 100ml of normal saline over 1 hour
Placebo
n=20 Symptoms
Intravenous injections of 100ml of normal saline over 1 hour
Degree of Fatigue at the Point of Time With Numeric Rating Scale From 0 to 10
3.61 scores
Standard Deviation 1.88
3.55 scores
Standard Deviation 1.50

SECONDARY outcome

Timeframe: two days

Population: intention to treat

Scores were measured by Numeric Rating Scale. Scores range from 0 to 10; a higher score represents a better health-related quality of life.

Outcome measures

Outcome measures
Measure
Caffeine
n=18 Symptoms
Intravenous injections of 200mg of caffeine with 100ml of normal saline over 1 hour
Placebo
n=20 Symptoms
Intravenous injections of 100ml of normal saline over 1 hour
Health-related Quality of Life
4.83 scores
Standard Deviation 1.30
4.45 scores
Standard Deviation 0.89

SECONDARY outcome

Timeframe: two days

Population: intention to treat

Scores were measured by Numeric Rating Scale. Scores range from 0 to 10; a higher score represents a higher level of impact of symptom burden to daily life.

Outcome measures

Outcome measures
Measure
Caffeine
n=18 Symptoms
Intravenous injections of 200mg of caffeine with 100ml of normal saline over 1 hour
Placebo
n=20 Symptoms
Intravenous injections of 100ml of normal saline over 1 hour
Impact of Symptom Burden to Daily Life (by MD Anderson Symptom Inventory-Korean)
Daily living
5.17 scores
Standard Deviation 2.07
5.95 scores
Standard Deviation 1.82
Impact of Symptom Burden to Daily Life (by MD Anderson Symptom Inventory-Korean)
Mood
5.61 scores
Standard Deviation 1.69
5.60 scores
Standard Deviation 1.54
Impact of Symptom Burden to Daily Life (by MD Anderson Symptom Inventory-Korean)
Work
5.56 scores
Standard Deviation 1.85
6.75 scores
Standard Deviation 1.55
Impact of Symptom Burden to Daily Life (by MD Anderson Symptom Inventory-Korean)
Interpersonal relationship
4.61 scores
Standard Deviation 1.79
4.65 scores
Standard Deviation 1.69
Impact of Symptom Burden to Daily Life (by MD Anderson Symptom Inventory-Korean)
Gait ability
4.39 scores
Standard Deviation 2.36
5.50 scores
Standard Deviation 2.12

Adverse Events

Caffeine

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

Placebo

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Caffeine
n=18 participants at risk
Intravenous injections of 200mg of caffeine with 100ml of normal saline over 1 hour
Placebo
n=20 participants at risk
Intravenous injections of 100ml of normal saline over 1 hour
Vascular disorders
Blood pressure elevation
0.00%
0/18
10.0%
2/20 • Number of events 2

Additional Information

Sang-Yeon Suh, M.D.,Ph.D

Department of Family Medicine, Dongguk University Ilsan Hospital, Republic of Korea

Phone: 0082-031-961-7490

Results disclosure agreements

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