Trial Outcomes & Findings for Endophenotype for Alcohol Misuse in Healthy Minority Populations (NCT NCT00256451)

NCT ID: NCT00256451

Last Updated: 2019-08-21

Results Overview

Change from baseline to peak for the feeling of stimulation after alcohol ingestion Biphasic Alcohol Effects Scale - Stimulation: sum of 7 items each rated on 11 point Likert scale (0=not at all, 10=extremely). Minimum=0, maximum=70, higher scores=worse outcome.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

43 participants

Primary outcome timeframe

During challenge sessions

Results posted on

2019-08-21

Participant Flow

Participants were only randomized to 4 sequences and not to all 12 possible sequences.

Participant milestones

Participant milestones
Measure
Ntx-Alc; Placebo-Sham; Ntx-Sham; Placebo-Alc
Session1: alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice. Session2:placebo naltrexone and placebo (non-alcoholic) alcohol placebo: placebo pills Sham alcohol: non-alcoholic placebo alcohol Session3: "sham" alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session Sham alcohol: non-alcoholic placebo alcohol Session4: placebo naltrexone and alcohol placebo: placebo pills alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Ntx-Sham; Ntx-Alc; Placebo-Alc; Placebo-Sham
Session1: "sham" alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session Sham alcohol: non-alcoholic placebo alcohol Session2: alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice. Session3: placebo naltrexone and alcohol placebo: placebo pills alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice. Session4: placebo naltrexone and placebo (non-alcoholic) alcohol placebo: placebo pills Sham alcohol: non-alcoholic placebo alcohol
Placebo-Alc; Ntx-Sham; Placebo-Sham; Ntx-Alc
Session1: placebo naltrexone and alcohol placebo: placebo pills alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice. Session2: "sham" alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session Sham alcohol: non-alcoholic placebo alcohol Session3:placebo naltrexone and placebo (non-alcoholic) alcohol placebo: placebo pills Sham alcohol: non-alcoholic placebo alcohol Session4: alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo-Sham; Placebo-Alc; Ntx-Alc; Ntx-Sham
Session1: placebo naltrexone and placebo (non-alcoholic) alcohol placebo: placebo pills Sham alcohol: non-alcoholic placebo alcohol Session2: placebo naltrexone and alcohol placebo: placebo pills alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice. Session3: alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice. Session4: "sham" alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session Sham alcohol: non-alcoholic placebo alcohol
Session1
STARTED
10
11
11
11
Session1
COMPLETED
10
11
11
11
Session1
NOT COMPLETED
0
0
0
0
Session2
STARTED
9
11
10
10
Session2
COMPLETED
9
11
10
10
Session2
NOT COMPLETED
0
0
0
0
Session3
STARTED
9
9
10
9
Session3
COMPLETED
9
9
10
9
Session3
NOT COMPLETED
0
0
0
0
Session4
STARTED
9
8
10
8
Session4
COMPLETED
9
8
10
8
Session4
NOT COMPLETED
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Endophenotype for Alcohol Misuse in Healthy Minority Populations

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Overall Study Population
n=43 Participants
all participants in the cross over study
Age, Continuous
35.5 years
STANDARD_DEVIATION 12.9 • n=93 Participants
Sex: Female, Male
Female
23 Participants
n=93 Participants
Sex: Female, Male
Male
20 Participants
n=93 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=93 Participants
Race (NIH/OMB)
Asian
0 Participants
n=93 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=93 Participants
Race (NIH/OMB)
Black or African American
43 Participants
n=93 Participants
Race (NIH/OMB)
White
0 Participants
n=93 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=93 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
Alcohol use
3.2 total number of drinks in the week prior
STANDARD_DEVIATION 4.9 • n=93 Participants

PRIMARY outcome

Timeframe: During challenge sessions

Change from baseline to peak for the feeling of stimulation after alcohol ingestion Biphasic Alcohol Effects Scale - Stimulation: sum of 7 items each rated on 11 point Likert scale (0=not at all, 10=extremely). Minimum=0, maximum=70, higher scores=worse outcome.

Outcome measures

Outcome measures
Measure
ALC and NAL
n=40 Participants
alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo ALC and NAL
n=38 Participants
"sham" alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session Sham alcohol: non-alcoholic placebo alcohol
Placebo Pill and ALC
n=39 Participants
placebo naltrexone and alcohol placebo: placebo pills alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo Pill and Placebo ALC
n=38 Participants
placebo naltrexone and placebo (non-alcoholic) alcohol placebo: placebo pills Sham alcohol: non-alcoholic placebo alcohol
Biphasic Alcohol Effects Scale - Stimulation
11.3 units on a scale
Standard Deviation 10.1
3.9 units on a scale
Standard Deviation 5.1
8.7 units on a scale
Standard Deviation 7.6
3.2 units on a scale
Standard Deviation 4.6

PRIMARY outcome

Timeframe: during the challenge session

Change from baseline to peak for the amount of Vigor experienced after alcohol ingestion Profile of Mood States - Vigor: sum of 6 items each rated on 5 point Likert scale (0: not at all, 4: extremely). Minimum=0, maximum=20, higher scores = better outcome

Outcome measures

Outcome measures
Measure
ALC and NAL
n=40 Participants
alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo ALC and NAL
n=38 Participants
"sham" alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session Sham alcohol: non-alcoholic placebo alcohol
Placebo Pill and ALC
n=39 Participants
placebo naltrexone and alcohol placebo: placebo pills alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo Pill and Placebo ALC
n=38 Participants
placebo naltrexone and placebo (non-alcoholic) alcohol placebo: placebo pills Sham alcohol: non-alcoholic placebo alcohol
Profile of Mood States - Vigor
2.1 units on a scale
Standard Deviation 2.5
1.1 units on a scale
Standard Deviation 1.2
1.8 units on a scale
Standard Deviation 1.4
1.2 units on a scale
Standard Deviation 1.3

PRIMARY outcome

Timeframe: during the alcohol ingestion

Change from baseline to peak for the self reported feeling of being high after drinking Subjective High from Alcohol Scale: sum of 15 items rated on a 8 point Likert scale (0-7). Minimum=0, maximum=105, higher scores=worse outcomes

Outcome measures

Outcome measures
Measure
ALC and NAL
n=40 Participants
alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo ALC and NAL
n=38 Participants
"sham" alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session Sham alcohol: non-alcoholic placebo alcohol
Placebo Pill and ALC
n=39 Participants
placebo naltrexone and alcohol placebo: placebo pills alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo Pill and Placebo ALC
n=38 Participants
placebo naltrexone and placebo (non-alcoholic) alcohol placebo: placebo pills Sham alcohol: non-alcoholic placebo alcohol
Subjective High From Alcohol Scale
17.9 units on a scale
Standard Deviation 17.2
4.5 units on a scale
Standard Deviation 5.4
14.7 units on a scale
Standard Deviation 13.1
2.7 units on a scale
Standard Deviation 5.3

SECONDARY outcome

Timeframe: During the challenge session

Change from baseline to peak of the amount of sedation post ingestion of alcohol Biphasic alcohol effects scale - Sedation: sum of 7 items rated on 11 point Likert scale (0=not at all, 10=extremely). Minimum=0, maximum=70, lower scores=worse outcomes

Outcome measures

Outcome measures
Measure
ALC and NAL
n=40 Participants
alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo ALC and NAL
n=38 Participants
"sham" alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session Sham alcohol: non-alcoholic placebo alcohol
Placebo Pill and ALC
n=39 Participants
placebo naltrexone and alcohol placebo: placebo pills alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo Pill and Placebo ALC
n=38 Participants
placebo naltrexone and placebo (non-alcoholic) alcohol placebo: placebo pills Sham alcohol: non-alcoholic placebo alcohol
Biphasic Alcohol Effects Scale - Sedation
14.8 units on a scale
Standard Deviation 13.7
13.4 units on a scale
Standard Deviation 16.1
15.9 units on a scale
Standard Deviation 15.8
15.4 units on a scale
Standard Deviation 16.3

SECONDARY outcome

Timeframe: During the challenge session

Change from baseline to peak of the degree of fatigue experienced after alcohol ingestion Profile of Mood States - Fatigue scale: sum of 5 items rated on 5-point Likert scale (0=not at all, 4=extremely). Minimum=0, maximum=20, higher score=worse outcome

Outcome measures

Outcome measures
Measure
ALC and NAL
n=40 Participants
alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo ALC and NAL
n=38 Participants
"sham" alcohol and active naltrexone Naltrexone: 50 mg/day for two days prior to the alcohol challenge session Sham alcohol: non-alcoholic placebo alcohol
Placebo Pill and ALC
n=39 Participants
placebo naltrexone and alcohol placebo: placebo pills alcohol: 190 proof alcohol prepared to 11% volume mixed with fruit juice.
Placebo Pill and Placebo ALC
n=38 Participants
placebo naltrexone and placebo (non-alcoholic) alcohol placebo: placebo pills Sham alcohol: non-alcoholic placebo alcohol
Profile of Mood States - Fatigue Scale
2.2 units on a scale
Standard Deviation 2.1
1.6 units on a scale
Standard Deviation 1.4
2.0 units on a scale
Standard Deviation 1.6
1.5 units on a scale
Standard Deviation 1.4

Adverse Events

ALC and NAL

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

Placebo ALC and NAL

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

Placebo Pill and ALC

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

Placebo Pill and Placebo ALC

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

David Oslin, MD

University of Pennsylvania

Phone: 2158235894

Results disclosure agreements

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