Trial Outcomes & Findings for Naltrexone for At-Risk and Problem Drinking in Smoking Cessation Treatment (NCT NCT00938886)

NCT ID: NCT00938886

Last Updated: 2017-05-15

Results Overview

Defined for women as percent of days drinking 4 or more drinks in a day. For men, percent of days drinking 5 or more drinks in a day

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

150 participants

Primary outcome timeframe

Across the 6 months following smoking quit date

Results posted on

2017-05-15

Participant Flow

Participants were recruited from Providence, RI and the surrounding community through bulletin board, radio, internet, newspaper, and public transportation advertisements.

Participant milestones

Participant milestones
Measure
Naltrexone
50 mg daily naltrexone for 10 weeks Naltrexone: Daily 50 mg naltrexone
Placebo
Daily matched placebo pill Placebo: Matched naltrexone placebo
Overall Study
STARTED
75
75
Overall Study
Attended 1 Counseling Session
70
70
Overall Study
COMPLETED
68
65
Overall Study
NOT COMPLETED
7
10

Reasons for withdrawal

Reasons for withdrawal
Measure
Naltrexone
50 mg daily naltrexone for 10 weeks Naltrexone: Daily 50 mg naltrexone
Placebo
Daily matched placebo pill Placebo: Matched naltrexone placebo
Overall Study
Death
0
1
Overall Study
Withdrawal by Subject
4
7
Overall Study
Lost to Follow-up
3
2

Baseline Characteristics

Naltrexone for At-Risk and Problem Drinking in Smoking Cessation Treatment

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Naltrexone
n=75 Participants
50 mg daily naltrexone for 10 weeks Naltrexone: Daily 50 mg naltrexone
Placebo
n=75 Participants
Daily matched placebo pill Placebo: Matched naltrexone placebo
Total
n=150 Participants
Total of all reporting groups
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=5 Participants
7 Participants
n=7 Participants
9 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
73 Participants
n=5 Participants
67 Participants
n=7 Participants
140 Participants
n=5 Participants
Age, Continuous
42.3 years
STANDARD_DEVIATION 12.7 • n=5 Participants
41.8 years
STANDARD_DEVIATION 12.9 • n=7 Participants
42.1 years
STANDARD_DEVIATION 12.7 • n=5 Participants
Sex: Female, Male
Female
33 Participants
n=5 Participants
29 Participants
n=7 Participants
62 Participants
n=5 Participants
Sex: Female, Male
Male
42 Participants
n=5 Participants
46 Participants
n=7 Participants
88 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
Asian
2 Participants
n=5 Participants
3 Participants
n=7 Participants
5 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
13 Participants
n=5 Participants
12 Participants
n=7 Participants
25 Participants
n=5 Participants
Race (NIH/OMB)
White
55 Participants
n=5 Participants
54 Participants
n=7 Participants
109 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
4 Participants
n=5 Participants
1 Participants
n=7 Participants
5 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
Current Alcohol Dependence
23 Participants
n=5 Participants
19 Participants
n=7 Participants
42 Participants
n=5 Participants
Fagerstrom Test for Nicotine Dependence
5.3 units on a scale
STANDARD_DEVIATION 2.2 • n=5 Participants
5.4 units on a scale
STANDARD_DEVIATION 2.3 • n=7 Participants
5.3 units on a scale
STANDARD_DEVIATION 2.3 • n=5 Participants

PRIMARY outcome

Timeframe: Across the 6 months following smoking quit date

Defined for women as percent of days drinking 4 or more drinks in a day. For men, percent of days drinking 5 or more drinks in a day

Outcome measures

Outcome measures
Measure
Naltrexone
n=68 Participants
50 mg daily naltrexone for 10 weeks Naltrexone: Daily 50 mg naltrexone
Placebo
n=65 Participants
Daily matched placebo pill Placebo: Matched naltrexone placebo
Percent Heavy Drinking Days
11.1 percentage of days
Standard Deviation 13.1
11.4 percentage of days
Standard Deviation 11.3

SECONDARY outcome

Timeframe: 26 weeks after target quit smoking date

Self-report abstinence from smoking over the past 7 days biochemically confirmed with carbon monoxide and saliva cotinine.

Outcome measures

Outcome measures
Measure
Naltrexone
n=75 Participants
50 mg daily naltrexone for 10 weeks Naltrexone: Daily 50 mg naltrexone
Placebo
n=75 Participants
Daily matched placebo pill Placebo: Matched naltrexone placebo
7-day Point Prevalence Smoking Abstinence
9 Participants
9 Participants

Adverse Events

Naltrexone

Serious events: 0 serious events
Other events: 30 other events
Deaths: 0 deaths

Placebo

Serious events: 2 serious events
Other events: 36 other events
Deaths: 1 deaths

Serious adverse events

Serious adverse events
Measure
Naltrexone
n=75 participants at risk
50 mg daily naltrexone for 10 weeks Naltrexone: Daily 50 mg naltrexone
Placebo
n=75 participants at risk
Daily matched placebo pill Placebo: Matched naltrexone placebo
General disorders
Appendectomy
0.00%
0/75 • 10 weeks
1.3%
1/75 • Number of events 1 • 10 weeks
Musculoskeletal and connective tissue disorders
Back Surgery
0.00%
0/75 • 10 weeks
1.3%
1/75 • Number of events 1 • 10 weeks

Other adverse events

Other adverse events
Measure
Naltrexone
n=75 participants at risk
50 mg daily naltrexone for 10 weeks Naltrexone: Daily 50 mg naltrexone
Placebo
n=75 participants at risk
Daily matched placebo pill Placebo: Matched naltrexone placebo
Gastrointestinal disorders
Nausea
10.7%
8/75 • Number of events 8 • 10 weeks
5.3%
4/75 • Number of events 4 • 10 weeks
Gastrointestinal disorders
Vomiting
9.3%
7/75 • Number of events 7 • 10 weeks
9.3%
7/75 • Number of events 7 • 10 weeks
Gastrointestinal disorders
Adbominal pain
6.7%
5/75 • Number of events 5 • 10 weeks
9.3%
7/75 • Number of events 7 • 10 weeks
Gastrointestinal disorders
Decreased appetite
6.7%
5/75 • Number of events 5 • 10 weeks
4.0%
3/75 • Number of events 3 • 10 weeks
General disorders
Headache
5.3%
4/75 • Number of events 4 • 10 weeks
13.3%
10/75 • Number of events 10 • 10 weeks
General disorders
Dizziness
4.0%
3/75 • Number of events 3 • 10 weeks
5.3%
4/75 • Number of events 4 • 10 weeks
General disorders
Fatigue
6.7%
5/75 • Number of events 5 • 10 weeks
9.3%
7/75 • Number of events 7 • 10 weeks
Psychiatric disorders
Anxiety
10.7%
8/75 • Number of events 8 • 10 weeks
14.7%
11/75 • Number of events 11 • 10 weeks
General disorders
Insomnia
14.7%
11/75 • Number of events 11 • 10 weeks
25.3%
19/75 • Number of events 19 • 10 weeks
General disorders
Somnolence
12.0%
9/75 • Number of events 9 • 10 weeks
21.3%
16/75 • Number of events 16 • 10 weeks
Psychiatric disorders
Depression
12.0%
9/75 • Number of events 9 • 10 weeks
9.3%
7/75 • Number of events 7 • 10 weeks
Skin and subcutaneous tissue disorders
Skin rash
2.7%
2/75 • Number of events 2 • 10 weeks
6.7%
5/75 • Number of events 5 • 10 weeks

Additional Information

Christopher Kahler

Brown University

Phone: 401 863-6651

Results disclosure agreements

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