Trial Outcomes & Findings for Targeted Interventions for Weight-Concerned Smokers (NCT NCT00105482)

NCT ID: NCT00105482

Last Updated: 2013-03-05

Results Overview

Weight change from baseline measured at 26 weeks.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

172 participants

Primary outcome timeframe

26 weeks

Results posted on

2013-03-05

Participant Flow

Participant milestones

Participant milestones
Measure
Naltrexone
Arm 1 (Experimental) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Naltrexone 25 mg oral capsule once per day Transdermal nicotine replacement : Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + naltrexone 25 mg oral capsule once per day Naltrexone : Drug: Naltrexone 12.5 mg oral capsule once per day for 1 day then 25 mg oral capsule once per day for 27 weeks Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Placebo
Arm 2 (Placebo Comparator) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Placebo Naltrexone 25 mg oral capsule once per day Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Overall Study
STARTED
87
85
Overall Study
COMPLETED
28
30
Overall Study
NOT COMPLETED
59
55

Reasons for withdrawal

Reasons for withdrawal
Measure
Naltrexone
Arm 1 (Experimental) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Naltrexone 25 mg oral capsule once per day Transdermal nicotine replacement : Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + naltrexone 25 mg oral capsule once per day Naltrexone : Drug: Naltrexone 12.5 mg oral capsule once per day for 1 day then 25 mg oral capsule once per day for 27 weeks Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Placebo
Arm 2 (Placebo Comparator) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Placebo Naltrexone 25 mg oral capsule once per day Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Overall Study
Adverse Event
1
1
Overall Study
Lost to Follow-up
26
17
Overall Study
Withdrawal by Subject
0
1
Overall Study
Lost Interest
29
32
Overall Study
Scheduling Conflict
2
3
Overall Study
Withdrawn by PI
1
1

Baseline Characteristics

Targeted Interventions for Weight-Concerned Smokers

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Naltrexone
n=87 Participants
Arm 1 (Experimental) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Naltrexone 25 mg oral capsule once per day Transdermal nicotine replacement : Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + naltrexone 25 mg oral capsule once per day Naltrexone : Drug: Naltrexone 12.5 mg oral capsule once per day for 1 day then 25 mg oral capsule once per day for 27 weeks Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Placebo
n=85 Participants
Arm 2 (Placebo Comparator) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Placebo Naltrexone 25 mg oral capsule once per day Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Total
n=172 Participants
Total of all reporting groups
Age Continuous
43.2 years
STANDARD_DEVIATION 10.0 • n=5 Participants
45.5 years
STANDARD_DEVIATION 11.3 • n=7 Participants
44.4 years
STANDARD_DEVIATION 10.7 • n=5 Participants
Sex: Female, Male
Female
62 Participants
n=5 Participants
61 Participants
n=7 Participants
123 Participants
n=5 Participants
Sex: Female, Male
Male
25 Participants
n=5 Participants
24 Participants
n=7 Participants
49 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 26 weeks

Population: All patients who were randomized comprised the primary ITT population.

Weight change from baseline measured at 26 weeks.

Outcome measures

Outcome measures
Measure
Naltrexone
n=87 Participants
Arm 1 (Experimental) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Naltrexone 25 mg oral capsule once per day Transdermal nicotine replacement : Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + naltrexone 25 mg oral capsule once per day Naltrexone : Drug: Naltrexone 12.5 mg oral capsule once per day for 1 day then 25 mg oral capsule once per day for 27 weeks Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Placebo
n=85 Participants
Arm 2 (Placebo Comparator) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Placebo Naltrexone 25 mg oral capsule once per day Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Weight Gain at 26 Weeks.
6.75 pounds
Standard Deviation 8.94
9.71 pounds
Standard Deviation 9.19

PRIMARY outcome

Timeframe: 26 weeks

Population: All patients who were randomized comprised the primary ITT population.

The number of people that were abstinent from cigarette smoking at 26 weeks.

Outcome measures

Outcome measures
Measure
Naltrexone
n=87 Participants
Arm 1 (Experimental) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Naltrexone 25 mg oral capsule once per day Transdermal nicotine replacement : Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + naltrexone 25 mg oral capsule once per day Naltrexone : Drug: Naltrexone 12.5 mg oral capsule once per day for 1 day then 25 mg oral capsule once per day for 27 weeks Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Placebo
n=85 Participants
Arm 2 (Placebo Comparator) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Placebo Naltrexone 25 mg oral capsule once per day Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Point Prevalence Smoking Abstinence at 26 Weeks.
19 participants
23 participants

SECONDARY outcome

Timeframe: 6 weeks

Population: All patients who were randomized comprised the primary ITT population.

Weight change from baseline measured at 6 weeks.

Outcome measures

Outcome measures
Measure
Naltrexone
n=87 Participants
Arm 1 (Experimental) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Naltrexone 25 mg oral capsule once per day Transdermal nicotine replacement : Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + naltrexone 25 mg oral capsule once per day Naltrexone : Drug: Naltrexone 12.5 mg oral capsule once per day for 1 day then 25 mg oral capsule once per day for 27 weeks Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Placebo
n=85 Participants
Arm 2 (Placebo Comparator) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Placebo Naltrexone 25 mg oral capsule once per day Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Weight Gain at 6 Weeks.
2.53 pounds
Standard Deviation 4.58
2.19 pounds
Standard Deviation 4.20

SECONDARY outcome

Timeframe: 6 weeks

Population: All patients who were randomized comprised the primary ITT population.

The number of people that were abstinent from cigarette smoking at 6 weeks.

Outcome measures

Outcome measures
Measure
Naltrexone
n=87 Participants
Arm 1 (Experimental) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Naltrexone 25 mg oral capsule once per day Transdermal nicotine replacement : Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + naltrexone 25 mg oral capsule once per day Naltrexone : Drug: Naltrexone 12.5 mg oral capsule once per day for 1 day then 25 mg oral capsule once per day for 27 weeks Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Placebo
n=85 Participants
Arm 2 (Placebo Comparator) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Placebo Naltrexone 25 mg oral capsule once per day Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Point Prevalence Smoking Abstinence at 6 Weeks
33 participants
43 participants

SECONDARY outcome

Timeframe: 26 weeks

Population: Patients were analyzed per protocol.

Average number of cigarettes smoked per day at 26 weeks.

Outcome measures

Outcome measures
Measure
Naltrexone
n=67 Participants
Arm 1 (Experimental) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Naltrexone 25 mg oral capsule once per day Transdermal nicotine replacement : Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + naltrexone 25 mg oral capsule once per day Naltrexone : Drug: Naltrexone 12.5 mg oral capsule once per day for 1 day then 25 mg oral capsule once per day for 27 weeks Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Placebo
n=67 Participants
Arm 2 (Placebo Comparator) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Placebo Naltrexone 25 mg oral capsule once per day Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Cigarettes Smoked Per Day.
7.10 number of cigarettes
Standard Deviation 8.43
7.85 number of cigarettes
Standard Deviation 8.35

Adverse Events

Naltrexone

Serious events: 2 serious events
Other events: 51 other events
Deaths: 0 deaths

Placebo

Serious events: 2 serious events
Other events: 51 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Naltrexone
n=87 participants at risk
Arm 1 (Experimental) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Naltrexone 25 mg oral capsule once per day Transdermal nicotine replacement : Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + naltrexone 25 mg oral capsule once per day Naltrexone : Drug: Naltrexone 12.5 mg oral capsule once per day for 1 day then 25 mg oral capsule once per day for 27 weeks Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Placebo
n=85 participants at risk
Arm 2 (Placebo Comparator) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Placebo Naltrexone 25 mg oral capsule once per day Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Psychiatric disorders
Anxiety
1.1%
1/87 • Number of events 1 • 26 months
0.00%
0/85 • 26 months
Cardiac disorders
Abnormal EKG
1.1%
1/87 • Number of events 1 • 26 months
0.00%
0/85 • 26 months
General disorders
Finger Laceration
0.00%
0/87 • 26 months
1.2%
1/85 • Number of events 1 • 26 months
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Thyroid Cancer
0.00%
0/87 • 26 months
1.2%
1/85 • Number of events 1 • 26 months

Other adverse events

Other adverse events
Measure
Naltrexone
n=87 participants at risk
Arm 1 (Experimental) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Naltrexone 25 mg oral capsule once per day Transdermal nicotine replacement : Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + naltrexone 25 mg oral capsule once per day Naltrexone : Drug: Naltrexone 12.5 mg oral capsule once per day for 1 day then 25 mg oral capsule once per day for 27 weeks Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
Placebo
n=85 participants at risk
Arm 2 (Placebo Comparator) = Transdermal nicotine replacement (21 mg for first 6 weeks post-quit then 14 mg for 2 weeks) once per day + Placebo Naltrexone 25 mg oral capsule once per day Behavioral counseling : Brief behavioral counseling and research assessments are provided for two sessions prior to the quit date and then weekly for two weeks, bi-weekly for a month and every four weeks thereafter.
General disorders
Abdominal Pain
34.5%
30/87 • Number of events 30 • 26 months
28.2%
24/85 • Number of events 24 • 26 months
Psychiatric disorders
Anxiety
44.8%
39/87 • Number of events 39 • 26 months
41.2%
35/85 • Number of events 35 • 26 months
Eye disorders
Blurred Vision
11.5%
10/87 • Number of events 10 • 26 months
12.9%
11/85 • Number of events 11 • 26 months
Gastrointestinal disorders
Constipation
33.3%
29/87 • Number of events 29 • 26 months
32.9%
28/85 • Number of events 28 • 26 months
Metabolism and nutrition disorders
Decreased Appetite
49.4%
43/87 • Number of events 43 • 26 months
32.9%
28/85 • Number of events 28 • 26 months
Psychiatric disorders
Depression
31.0%
27/87 • Number of events 27 • 26 months
36.5%
31/85 • Number of events 31 • 26 months
Nervous system disorders
Dizziness
39.1%
34/87 • Number of events 34 • 26 months
29.4%
25/85 • Number of events 25 • 26 months
General disorders
Fatigue
50.6%
44/87 • Number of events 44 • 26 months
43.5%
37/85 • Number of events 37 • 26 months
Nervous system disorders
Headache
44.8%
39/87 • Number of events 39 • 26 months
42.4%
36/85 • Number of events 36 • 26 months
Metabolism and nutrition disorders
Increased Appetite
49.4%
43/87 • Number of events 43 • 26 months
42.4%
36/85 • Number of events 36 • 26 months
Gastrointestinal disorders
Increased Bowel Freq
12.6%
11/87 • Number of events 11 • 26 months
18.8%
16/85 • Number of events 16 • 26 months
General disorders
Insomnia
46.0%
40/87 • Number of events 40 • 26 months
43.5%
37/85 • Number of events 37 • 26 months
Skin and subcutaneous tissue disorders
Itching
35.6%
31/87 • Number of events 31 • 26 months
37.6%
32/85 • Number of events 32 • 26 months
General disorders
Change in Libido
16.1%
14/87 • Number of events 14 • 26 months
15.3%
13/85 • Number of events 13 • 26 months
Reproductive system and breast disorders
Missed Period
3.4%
3/87 • Number of events 3 • 26 months
2.4%
2/85 • Number of events 2 • 26 months
Musculoskeletal and connective tissue disorders
Muscle Weakness
11.5%
10/87 • Number of events 10 • 26 months
15.3%
13/85 • Number of events 13 • 26 months
Gastrointestinal disorders
Nausea
55.2%
48/87 • Number of events 48 • 26 months
29.4%
25/85 • Number of events 25 • 26 months
Cardiac disorders
Rapid Heartbeat
20.7%
18/87 • Number of events 18 • 26 months
22.4%
19/85 • Number of events 19 • 26 months
Skin and subcutaneous tissue disorders
Rash
27.6%
24/87 • Number of events 24 • 26 months
30.6%
26/85 • Number of events 26 • 26 months
General disorders
Sleepiness
37.9%
33/87 • Number of events 33 • 26 months
27.1%
23/85 • Number of events 23 • 26 months
Endocrine disorders
Sweating
46.0%
40/87 • Number of events 40 • 26 months
24.7%
21/85 • Number of events 21 • 26 months
Psychiatric disorders
Vivid Dreams
58.6%
51/87 • Number of events 51 • 26 months
60.0%
51/85 • Number of events 51 • 26 months
Gastrointestinal disorders
Vomiting
21.8%
19/87 • Number of events 19 • 26 months
4.7%
4/85 • Number of events 4 • 26 months
General disorders
Other
35.6%
31/87 • Number of events 31 • 26 months
32.9%
28/85 • Number of events 28 • 26 months

Additional Information

Stephanie Samples O'Malley PhD, Director, Division of Substance Abuse Research

Yale School of Medicine, Department of Psychiatry

Phone: (203) 974-7590

Results disclosure agreements

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