Trial Outcomes & Findings for GABA Mechanisms Underlying the Vulnerability to Alcohol Dependence (NCT NCT00611767)

NCT ID: NCT00611767

Last Updated: 2017-03-17

Results Overview

Visual Analog Scale of Similarity to Alcohol data using the Likert scale (0 Not at all similar to alcohol - 7 Extremely similar to alcohol) evaluating the similarity of drug effects to alcohol

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

73 participants

Primary outcome timeframe

Baseline

Results posted on

2017-03-17

Participant Flow

Participant milestones

Participant milestones
Measure
Family History Negative for Alcoholism
Male or female (post-menopausal, surgically sterile, or negative pregnancy test at screening and agreement to utilize an established birth control during the testing period) between the age of 21 and 30 yrs, medically healthy, who have been absence of any evidence of substance abuse (with the exception of nicotine dependence) diagnosis by the non-patient version of the structured clinical interview (SCID). No family history of alcoholism in any first or second-degree relatives.
Family History Positive for Alcoholism
Male or female (post-menopausal, surgically sterile, or negative pregnancy test at screening and agreement to utilize an established birth control during the testing period) between the age of 21 and 30 yrs, medically healthy, who have been absence of any evidence of substance abuse (with the exception of nicotine dependence) diagnosis by the non-patient version of the structured clinical interview (SCID). Biological father and another first or second-degree biological relative with a history of alcoholism by Family History Assessment Module (FHAM) developed by The Collaborative Study on the Genetics of Alcoholism (COGA).
Overall Study
STARTED
49
24
Overall Study
Thiopental Test Day
3
1
Overall Study
Placebo Test Day
6
1
Overall Study
COMPLETED
40
22
Overall Study
NOT COMPLETED
9
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Family History Negative for Alcoholism
Male or female (post-menopausal, surgically sterile, or negative pregnancy test at screening and agreement to utilize an established birth control during the testing period) between the age of 21 and 30 yrs, medically healthy, who have been absence of any evidence of substance abuse (with the exception of nicotine dependence) diagnosis by the non-patient version of the structured clinical interview (SCID). No family history of alcoholism in any first or second-degree relatives.
Family History Positive for Alcoholism
Male or female (post-menopausal, surgically sterile, or negative pregnancy test at screening and agreement to utilize an established birth control during the testing period) between the age of 21 and 30 yrs, medically healthy, who have been absence of any evidence of substance abuse (with the exception of nicotine dependence) diagnosis by the non-patient version of the structured clinical interview (SCID). Biological father and another first or second-degree biological relative with a history of alcoholism by Family History Assessment Module (FHAM) developed by The Collaborative Study on the Genetics of Alcoholism (COGA).
Overall Study
Withdrawal by Subject
4
1
Overall Study
Thiopental not available
3
0
Overall Study
didn't like the medication
1
1
Overall Study
Physician Decision
1
0

Baseline Characteristics

GABA Mechanisms Underlying the Vulnerability to Alcohol Dependence

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Family History Negative for Alcoholism
n=49 Participants
Male or female (post-menopausal, surgically sterile, or negative pregnancy test at screening and agreement to utilize an established birth control during the testing period) between the age of 21 and 30 yrs, medically healthy, who have been absence of any evidence of substance abuse (with the exception of nicotine dependence) diagnosis by the non-patient version of the structured clinical interview (SCID). No family history of alcoholism in any first or second-degree relatives.
Family History Positive for Alcoholism
n=24 Participants
Male or female (post-menopausal, surgically sterile, or negative pregnancy test at screening and agreement to utilize an established birth control during the testing period) between the age of 21 and 30 yrs, medically healthy, who have been absence of any evidence of substance abuse (with the exception of nicotine dependence) diagnosis by the non-patient version of the structured clinical interview (SCID). Biological father and another first or second-degree biological relative with a history of alcoholism by Family History Assessment Module (FHAM) developed by COGA.
Total
n=73 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Age, Categorical
Between 18 and 65 years
49 Participants
n=39 Participants
24 Participants
n=41 Participants
73 Participants
n=35 Participants
Age, Categorical
>=65 years
0 Participants
n=39 Participants
0 Participants
n=41 Participants
0 Participants
n=35 Participants
Age, Continuous
24.02 years
STANDARD_DEVIATION 2.5 • n=39 Participants
24.63 years
STANDARD_DEVIATION 3.06 • n=41 Participants
24.22 years
STANDARD_DEVIATION 2.69 • n=35 Participants
Sex: Female, Male
Female
25 Participants
n=39 Participants
10 Participants
n=41 Participants
35 Participants
n=35 Participants
Sex: Female, Male
Male
24 Participants
n=39 Participants
14 Participants
n=41 Participants
38 Participants
n=35 Participants
Region of Enrollment
United States
49 participants
n=39 Participants
24 participants
n=41 Participants
73 participants
n=35 Participants

PRIMARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

Visual Analog Scale of Similarity to Alcohol data using the Likert scale (0 Not at all similar to alcohol - 7 Extremely similar to alcohol) evaluating the similarity of drug effects to alcohol

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales of Similarity to Alcohol - Baseline
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales of Similarity to Alcohol - Baseline
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

PRIMARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

Visual Analog Scale of Similarity to Alcohol data using the Likert scale (0 Not at all similar to alcohol - 7 Extremely similar to alcohol) evaluating the similarity of drug effects to alcohol

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales of Similarity to Alcohol - 15 Minutes
Thiopental
3.23 units on a scale
Standard Deviation 2.08
2.35 units on a scale
Standard Deviation 1.90
Visual Analog Scales of Similarity to Alcohol - 15 Minutes
Placebo
0.04 units on a scale
Standard Deviation 0.30
0.17 units on a scale
Standard Deviation 0.65

PRIMARY outcome

Timeframe: 45 minutes

Population: All available data was utilized in the analysis using mixed models.

Visual Analog Scale of Similarity to Alcohol data using the Likert scale (0 Not at all similar to alcohol - 7 Extremely similar to alcohol) evaluating the similarity of drug effects to alcohol

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales of Similarity to Alcohol - 45 Minutes
Thiopental
2.91 units on a scale
Standard Deviation 1.97
1.87 units on a scale
Standard Deviation 1.71
Visual Analog Scales of Similarity to Alcohol - 45 Minutes
Placebo
0.04 units on a scale
Standard Deviation 0.21
0.04 units on a scale
Standard Deviation 0.21

PRIMARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models.

Visual Analog Scale of Similarity to Alcohol data using the Likert scale (0 Not at all similar to alcohol - 7 Extremely similar to alcohol) evaluating the similarity of drug effects to alcohol

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales of Similarity to Alcohol - 80 Minutes
Thiopental
0.84 units on a scale
Standard Deviation 1.33
0.50 units on a scale
Standard Deviation 0.74
Visual Analog Scales of Similarity to Alcohol - 80 Minutes
Placebo
0.04 units on a scale
Standard Deviation 0.30
0 units on a scale
Standard Deviation 0

PRIMARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models.

Visual Analog Scale of Similarity to Alcohol data using the Likert scale (0 Not at all similar to alcohol - 7 Extremely similar to alcohol) evaluating the similarity of drug effects to alcohol

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales of Similarity to Alcohol - 110 Minutes
Thiopental
0.35 units on a scale
Standard Deviation 0.92
0.22 units on a scale
Standard Deviation 0.85
Visual Analog Scales of Similarity to Alcohol - 110 Minutes
Placebo
0.11 units on a scale
Standard Deviation 0.74
0 units on a scale
Standard Deviation 0

PRIMARY outcome

Timeframe: 170 minutes

Population: All available data was utilized in the analysis using mixed models.

Visual Analog Scale of Similarity to Alcohol data using the Likert scale (0 Not at all similar to alcohol - 7 Extremely similar to alcohol) evaluating the similarity of drug effects to alcohol

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales of Similarity to Alcohol - 170 Minutes
Thiopental
0.02 units on a scale
Standard Deviation 0.15
0 units on a scale
Standard Deviation 0
Visual Analog Scales of Similarity to Alcohol - 170 Minutes
Placebo
0.02 units on a scale
Standard Deviation 0.15
0 units on a scale
Standard Deviation 0

PRIMARY outcome

Timeframe: 230 minutes

Population: All available data was utilized in the analysis using mixed models.

Visual Analog Scale of Similarity to Alcohol data using the Likert scale (0 Not at all similar to alcohol - 7 Extremely similar to alcohol) evaluating the similarity of drug effects to alcohol

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales of Similarity to Alcohol - 230 Minutes
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales of Similarity to Alcohol - 230 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

The Number of Drinks Scale asks Subjects to report on the number of alcoholic drinks they felt they had consumed.

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Number of Drinks Felt Consumed at Baseline
Thiopental
0 number of drinks felt consumed
Standard Deviation 0
0 number of drinks felt consumed
Standard Deviation 0
Number of Drinks Felt Consumed at Baseline
Placebo
0 number of drinks felt consumed
Standard Deviation 0
0 number of drinks felt consumed
Standard Deviation 0

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

The Number of Drinks Scale asks Subjects to report on the number of alcoholic drinks they felt they had consumed.

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Number of Drinks Felt Consumed - 15 Minutes
Thiopental
3.28 number of drinks felt consumed
Standard Deviation 2.10
3.22 number of drinks felt consumed
Standard Deviation 2.63
Number of Drinks Felt Consumed - 15 Minutes
Placebo
0.11 number of drinks felt consumed
Standard Deviation 0.43
0.17 number of drinks felt consumed
Standard Deviation 0.49

SECONDARY outcome

Timeframe: 45 minutes

Population: All available data was utilized in the analysis using mixed models.

The Number of Drinks Scale asks Subjects to report on the number of alcoholic drinks they felt they had consumed.

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Number of Drinks Felt Consumed - 45 Minutes
Thiopental
3 number of drinks felt consumed
Standard Deviation 2
2.91 number of drinks felt consumed
Standard Deviation 2.67
Number of Drinks Felt Consumed - 45 Minutes
Placebo
0.03 number of drinks felt consumed
Standard Deviation 0.16
0.04 number of drinks felt consumed
Standard Deviation 0.21

SECONDARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models.

The Number of Drinks Scale asks Subjects to report on the number of alcoholic drinks they felt they had consumed.

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Number of Drinks Felt Consumed - 80 Minutes
Thiopental
1.14 number of drinks felt consumed
Standard Deviation 1.78
0.96 number of drinks felt consumed
Standard Deviation 1.15
Number of Drinks Felt Consumed - 80 Minutes
Placebo
0.04 number of drinks felt consumed
Standard Deviation 0.30
0 number of drinks felt consumed
Standard Deviation 0

SECONDARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models.

The Number of Drinks Scale asks Subjects to report on the number of alcoholic drinks they felt they had consumed.

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Number of Drinks Felt Consumed - 110 Minutes
Thiopental
0.35 number of drinks felt consumed
Standard Deviation 0.92
0.22 number of drinks felt consumed
Standard Deviation 0.6
Number of Drinks Felt Consumed - 110 Minutes
Placebo
0.04 number of drinks felt consumed
Standard Deviation 0.30
0 number of drinks felt consumed
Standard Deviation 0

SECONDARY outcome

Timeframe: 170 minutes

Population: All available data was utilized in the analysis using mixed models.

The Number of Drinks Scale asks Subjects to report on the number of alcoholic drinks they felt they had consumed.

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Number of Drinks Felt Consumed - 170 Minutes
Thiopental
0 number of drinks felt consumed
Standard Deviation 0
0 number of drinks felt consumed
Standard Deviation 0
Number of Drinks Felt Consumed - 170 Minutes
Placebo
0.02 number of drinks felt consumed
Standard Deviation 0.15
0 number of drinks felt consumed
Standard Deviation 0

SECONDARY outcome

Timeframe: 230 minutes

Population: All available data was utilized in the analysis using mixed models.

The Number of Drinks Scale asks Subjects to report on the number of alcoholic drinks they felt they had consumed.

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Number of Drinks Felt Consumed - 230 Minutes
Thiopental
0 number of drinks felt consumed
Standard Deviation 0
0 number of drinks felt consumed
Standard Deviation 0
Number of Drinks Felt Consumed - 230 Minutes
Placebo
0 number of drinks felt consumed
Standard Deviation 0
0 number of drinks felt consumed
Standard Deviation 0

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure stimulant effects (0 not at all stimulated - 70 extremely stimulated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - Baseline
Thiopental
1.86 units on a scale
Standard Deviation 4.41
1.22 units on a scale
Standard Deviation 3.67
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - Baseline
Placebo
2.74 units on a scale
Standard Deviation 7.16
1.91 units on a scale
Standard Deviation 5.73

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure stimulant effects (0 not at all stimulated - 70 extremely stimulated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - 15 Minutes
Thiopental
5.26 units on a scale
Standard Deviation 9.38
3.87 units on a scale
Standard Deviation 6.24
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - 15 Minutes
Placebo
1.5 units on a scale
Standard Deviation 3.97
1.87 units on a scale
Standard Deviation 4.46

SECONDARY outcome

Timeframe: 45 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure stimulant effects (0 not at all stimulated - 70 extremely stimulated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - 45 Minutes
Thiopental
2.33 units on a scale
Standard Deviation 4.07
2.70 units on a scale
Standard Deviation 4.99
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - 45 Minutes
Placebo
1.13 units on a scale
Standard Deviation 3.21
1.57 units on a scale
Standard Deviation 3.72

SECONDARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure stimulant effects (0 not at all stimulated - 70 extremely stimulated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - 80 Minutes
Thiopental
1.37 units on a scale
Standard Deviation 2.82
1.78 units on a scale
Standard Deviation 4.38
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - 80 Minutes
Placebo
1.5 units on a scale
Standard Deviation 4.21
1.35 units on a scale
Standard Deviation 3.33

SECONDARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure stimulant effects (0 not at all stimulated - 70 extremely stimulated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant- 110 Minutes
Thiopental
1.12 units on a scale
Standard Deviation 2.22
1.52 units on a scale
Standard Deviation 3.94
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant- 110 Minutes
Placebo
1.44 units on a scale
Standard Deviation 4.38
1.91 units on a scale
Standard Deviation 4.80

SECONDARY outcome

Timeframe: 170 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure stimulant effects (0 not at all stimulated - 70 extremely stimulated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - 170 Minutes
Thiopental
0.98 units on a scale
Standard Deviation 2.33
1.39 units on a scale
Standard Deviation 3.73
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - 170 Minutes
Placebo
1.85 units on a scale
Standard Deviation 6.16
1.65 units on a scale
Standard Deviation 4.00

SECONDARY outcome

Timeframe: 230 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure stimulant effects (0 not at all stimulated - 70 extremely stimulated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - 230 Minutes
Thiopental
1 units on a scale
Standard Deviation 2.01
2.30 units on a scale
Standard Deviation 6.32
Biphasic Alcohol Effects Scale (BAES) - Subscale Stimulant - 230 Minutes
Placebo
1.72 units on a scale
Standard Deviation 4.70
2.04 units on a scale
Standard Deviation 5.17

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure sedative effects (0 not at all sedated - 70 extremely sedated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative Baseline
Thiopental
1.49 units on a scale
Standard Deviation 2.55
0.48 units on a scale
Standard Deviation 0.95
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative Baseline
Placebo
1.20 units on a scale
Standard Deviation 2.52
0.44 units on a scale
Standard Deviation 1.31

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models

Self-report rating scale used to measure sedative effects (0 not at all sedated - 70 extremely sedated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 15 Minutes
Thiopental
16.07 units on a scale
Standard Deviation 17.75
6.74 units on a scale
Standard Deviation 8.30
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 15 Minutes
Placebo
1.41 units on a scale
Standard Deviation 3.29
2.04 units on a scale
Standard Deviation 6.87

SECONDARY outcome

Timeframe: 45 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure sedative effects (0 not at all sedated - 70 extremely sedated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 45 Minutes
Thiopental
15.83 units on a scale
Standard Deviation 13.79
9.30 units on a scale
Standard Deviation 12.10
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 45 Minutes
Placebo
1.70 units on a scale
Standard Deviation 4.61
1.17 units on a scale
Standard Deviation 3.94

SECONDARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure sedative effects (0 not at all sedated - 70 extremely sedated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 80 Minutes
Thiopental
7.98 units on a scale
Standard Deviation 10.34
3.48 units on a scale
Standard Deviation 6.07
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 80 Minutes
Placebo
0.94 units on a scale
Standard Deviation 2.27
0.74 units on a scale
Standard Deviation 2.34

SECONDARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure sedative effects (0 not at all sedated - 70 extremely sedated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 110 Minutes
Thiopental
2.37 units on a scale
Standard Deviation 4.34
1.61 units on a scale
Standard Deviation 4.33
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 110 Minutes
Placebo
0.63 units on a scale
Standard Deviation 1.88
0.78 units on a scale
Standard Deviation 2.59

SECONDARY outcome

Timeframe: 170 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure sedative effects (0 not at all sedated - 70 extremely sedated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 170 Minutes
Thiopental
0.83 units on a scale
Standard Deviation 1.87
0.52 units on a scale
Standard Deviation 1.90
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 170 Minutes
Placebo
0.26 units on a scale
Standard Deviation 0.74
0.44 units on a scale
Standard Deviation 1.16

SECONDARY outcome

Timeframe: 230 minutes

Population: All available data was utilized in the analysis using mixed models.

Self-report rating scale used to measure sedative effects (0 not at all sedated - 70 extremely sedated)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 230 Minutes
Thiopental
0.45 units on a scale
Standard Deviation 1.33
0.22 units on a scale
Standard Deviation 0.85
Biphasic Alcohol Effects Scale (BAES) - Subscale Sedative - 230 Minutes
Placebo
0.15 units on a scale
Standard Deviation 0.52
0.26 units on a scale
Standard Deviation 0.75

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure high (0 not at all High - 7 extremely High)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - High - Baseline
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - High - Baseline
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure high (0 not at all High - 7 extremely High)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - High - 15 Minutes
Thiopental
2.35 units on a scale
Standard Deviation 2.25
1.74 units on a scale
Standard Deviation 1.66
Visual Analog Scales (VAS) - High - 15 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 45 minutes

Population: All available data was utilized in the analysis using mixed models

visual analog scale (VAS): self-report scale used to measure high (0 not at all High - 7 extremely High)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - High - 45 Minutes
Thiopental
1.69 units on a scale
Standard Deviation 1.80
1.26 units on a scale
Standard Deviation 2.03
Visual Analog Scales (VAS) - High - 45 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models

visual analog scale (VAS): self-report scale used to measure high (0 not at all High - 7 extremely High)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - High - 80 Minutes
Thiopental
0.40 units on a scale
Standard Deviation 1.00
0.61 units on a scale
Standard Deviation 1.08
Visual Analog Scales (VAS) - High - 80 Minutes
Placebo
0.02 units on a scale
Standard Deviation 0.15
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models

visual analog scale (VAS): self-report scale used to measure high (0 not at all High - 7 extremely High)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - High - 110 Minutes
Thiopental
0.14 units on a scale
Standard Deviation 0.64
0.13 units on a scale
Standard Deviation 0.46
Visual Analog Scales (VAS) - High - 110 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 170 minutes

Population: All available data was utilized in the analysis using mixed models

visual analog scale (VAS): self-report scale used to measure high (0 not at all High - 7 extremely High)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - High - 170 Minutes
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - High - 170 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 230 minutes

Population: All available data was utilized in the analysis using mixed models

visual analog scale (VAS): self-report scale used to measure high (0 not at all High - 7 extremely High)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - High - 230 Minutes
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - High - 230 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models

visual analog scale (VAS): self-report scale used to measure buzzed (0 not at all buzzed - 7 extremely buzzed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Buzzed - Baseline
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - Buzzed - Baseline
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models

visual analog scale (VAS): self-report scale used to measure buzzed (0 not at all buzzed - 7 extremely buzzed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Buzzed - 15 Minutes
Thiopental
2.07 units on a scale
Standard Deviation 2.06
1.65 units on a scale
Standard Deviation 1.85
Visual Analog Scales (VAS) - Buzzed - 15 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0.04 units on a scale
Standard Deviation 0.21

SECONDARY outcome

Timeframe: 45 minutes

Population: All available data was utilized in the analysis using mixed models

visual analog scale (VAS): self-report scale used to measure buzzed (0 not at all buzzed - 7 extremely buzzed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Buzzed - 45 Minutes
Thiopental
1.74 units on a scale
Standard Deviation 1.78
1.26 units on a scale
Standard Deviation 1.94
Visual Analog Scales (VAS) - Buzzed - 45 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0.04 units on a scale
Standard Deviation 0.21

SECONDARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure buzzed (0 not at all buzzed - 7 extremely buzzed) .

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Buzzed - 80 Minutes
Placebo
0.04 units on a scale
Standard Deviation 0.30
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - Buzzed - 80 Minutes
Thiopental
0.21 units on a scale
Standard Deviation 0.68
0.52 units on a scale
Standard Deviation 0.99

SECONDARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure buzzed (0 not at all buzzed - 7 extremely buzzed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Buzzed - 110 Minutes
Thiopental
0.02 units on a scale
Standard Deviation 0.15
0.13 units on a scale
Standard Deviation 0.46
Visual Analog Scales (VAS) - Buzzed - 110 Minutes
Placebo
0.02 units on a scale
Standard Deviation 0.15
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 170 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure buzzed (0 not at all buzzed - 7 extremely buzzed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Buzzed - 170 Minutes
Thiopental
0.02 units on a scale
Standard Deviation 0.15
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - Buzzed - 170 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 230 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure buzzed (0 not at all buzzed - 7 extremely buzzed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Buzzed - 230 Minutes
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - Buzzed - 230 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure drowsy (0 not at all drowsy - 7 extremely drowsy)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Drowsy - Baseline
Thiopental
0.61 units on a scale
Standard Deviation 1.05
0.52 units on a scale
Standard Deviation 1.04
Visual Analog Scales (VAS) - Drowsy - Baseline
Placebo
0.22 units on a scale
Standard Deviation 0.51
0.48 units on a scale
Standard Deviation 1.31

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure drowsy (0 not at all drowsy - 7 extremely drowsy)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Drowsy - 15 Minutes
Thiopental
2.86 units on a scale
Standard Deviation 2.48
1.74 units on a scale
Standard Deviation 1.86
Visual Analog Scales (VAS) - Drowsy - 15 Minutes
Placebo
0.39 units on a scale
Standard Deviation 0.71
0.35 units on a scale
Standard Deviation 0.57

SECONDARY outcome

Timeframe: 45 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure drowsy (0 not at all drowsy - 7 extremely drowsy) .

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Drowsy - 45 Minutes
Thiopental
3.02 units on a scale
Standard Deviation 2.44
2.74 units on a scale
Standard Deviation 2.01
Visual Analog Scales (VAS) - Drowsy - 45 Minutes
Placebo
0.44 units on a scale
Standard Deviation 0.91
0.39 units on a scale
Standard Deviation 0.58

SECONDARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure drowsy (0 not at all drowsy - 7 extremely drowsy)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Drowsy - 80 Minutes
Thiopental
2.14 units on a scale
Standard Deviation 1.82
1.48 units on a scale
Standard Deviation 1.59
Visual Analog Scales (VAS) - Drowsy - 80 Minutes
Placebo
0.20 units on a scale
Standard Deviation 0.45
0.35 units on a scale
Standard Deviation 0.78

SECONDARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure drowsy (0 not at all drowsy - 7 extremely drowsy)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Drowsy - 110 Minutes
Thiopental
1.19 units on a scale
Standard Deviation 1.64
1.13 units on a scale
Standard Deviation 1.25
Visual Analog Scales (VAS) - Drowsy - 110 Minutes
Placebo
0.13 units on a scale
Standard Deviation 0.4
0.30 units on a scale
Standard Deviation 0.70

SECONDARY outcome

Timeframe: 170 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure drowsy (0 not at all drowsy - 7 extremely drowsy)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Drowsy - 170 Minutes
Thiopental
0.38 units on a scale
Standard Deviation 0.66
0.26 units on a scale
Standard Deviation 0.54
Visual Analog Scales (VAS) - Drowsy - 170 Minutes
Placebo
0.15 units on a scale
Standard Deviation 0.56
0.22 units on a scale
Standard Deviation 0.60

SECONDARY outcome

Timeframe: 230 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure drowsy (0 not at all drowsy - 7 extremely drowsy)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Drowsy - 230 Minutes
Thiopental
0.31 units on a scale
Standard Deviation 0.60
0.13 units on a scale
Standard Deviation 0.34
Visual Analog Scales (VAS) - Drowsy - 230 Minutes
Placebo
0.11 units on a scale
Standard Deviation 0.43
0.17 units on a scale
Standard Deviation 0.58

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure depressed (0 not at all depressed - 7 extremely depressed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Depressed - Baseline
Thiopental
0.07 units on a scale
Standard Deviation 0.34
0.04 units on a scale
Standard Deviation 0.21
Visual Analog Scales (VAS) - Depressed - Baseline
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure depressed (0 not at all depressed - 7 extremely depressed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Depressed - 15 Minutes
Thiopental
0.02 units on a scale
Standard Deviation 0.15
0.13 units on a scale
Standard Deviation 0.63
Visual Analog Scales (VAS) - Depressed - 15 Minutes
Placebo
0.04 units on a scale
Standard Deviation 0.30
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 45 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure depressed (0 not at all depressed - 7 extremely depressed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Depressed - 45 Minutes
Thiopental
0.02 units on a scale
Standard Deviation 0.15
0.09 units on a scale
Standard Deviation 0.42
Visual Analog Scales (VAS) - Depressed - 45 Minutes
Placebo
0.04 units on a scale
Standard Deviation 0.30
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure depressed (0 not at all depressed - 7 extremely depressed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Depressed - 80 Minutes
Thiopental
0.02 units on a scale
Standard Deviation 0.15
0.04 units on a scale
Standard Deviation 0.21
Visual Analog Scales (VAS) - Depressed - 80 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure depressed (0 not at all depressed - 7 extremely depressed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Depressed - 110 Minutes
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - Depressed - 110 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 170 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure depressed (0 not at all depressed - 7 extremely depressed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Depressed - 170 Minutes
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - Depressed - 170 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 230 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure depressed (0 not at all depressed - 7 extremely depressed)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Depressed - 230 Minutes
Thiopental
0.02 units on a scale
Standard Deviation 0.15
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - Depressed - 230 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure anxiety (0 not at all anxious - 7 extremely anxious)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Anxious - Baseline
Thiopental
0.12 units on a scale
Standard Deviation 0.45
0.13 units on a scale
Standard Deviation 0.34
Visual Analog Scales (VAS) - Anxious - Baseline
Placebo
0.09 units on a scale
Standard Deviation 0.29
0.13 units on a scale
Standard Deviation 0.34

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure anxiety (0 not at all anxious - 7 extremely anxious)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Anxious - 15 Minutes
Thiopental
0.21 units on a scale
Standard Deviation 0.89
0.22 units on a scale
Standard Deviation 0.85
Visual Analog Scales (VAS) - Anxious - 15 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0.04 units on a scale
Standard Deviation 0.21

SECONDARY outcome

Timeframe: 45 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure anxiety (0 not at all anxious - 7 extremely anxious)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Anxious - 45 Minutes
Thiopental
0.07 units on a scale
Standard Deviation 0.34
0.13 units on a scale
Standard Deviation 0.46
Visual Analog Scales (VAS) - Anxious - 45 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure anxiety (0 not at all anxious - 7 extremely anxious)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Anxious - 80 Minutes
Thiopental
0.05 units on a scale
Standard Deviation 0.31
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - Anxious - 80 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0.04 units on a scale
Standard Deviation 0.21

SECONDARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure anxiety (0 not at all anxious - 7 extremely anxious)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Anxious - 110 Minutes
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - Anxious - 110 Minutes
Placebo
0.02 units on a scale
Standard Deviation 0.15
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 170 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure anxiety (0 not at all anxious - 7 extremely anxious)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Anxious - 170 Minutes
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Visual Analog Scales (VAS) - Anxious - 170 Minutes
Placebo
0.04 units on a scale
Standard Deviation 0.30
0.04 units on a scale
Standard Deviation 0.21

SECONDARY outcome

Timeframe: 230 minutes

Population: All available data was utilized in the analysis using mixed models.

visual analog scale (VAS): self-report scale used to measure anxiety (0 not at all anxious - 7 extremely anxious)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Visual Analog Scales (VAS) - Anxious - 230 Minutes
Thiopental
0 units on a scale
Standard Deviation 0
0.04 units on a scale
Standard Deviation 0.21
Visual Analog Scales (VAS) - Anxious - 230 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0.04 units on a scale
Standard Deviation 0.21

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

Clinician Administered Dissociative Symptoms Scale (CADSS) is a patient and Clinician rated measurement of dissociative states induced by thiopental (0 not at all dissociative - 84 extreme dissociative)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Clinician Administered Dissociative Symptoms Scale - Patient Rated - Baseline
Thiopental
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0
Clinician Administered Dissociative Symptoms Scale - Patient Rated - Baseline
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

Clinician Administered Dissociative Symptoms Scale (CADSS) is a patient and Clinician rated measurement of dissociative states induced by thiopental (0 not at all dissociative - 84 extreme dissociative)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Clinician Administered Dissociative Symptoms Scale - Patient Rated - 15 Minutes
Thiopental
2.57 units on a scale
Standard Deviation 3.35
1.74 units on a scale
Standard Deviation 1.79
Clinician Administered Dissociative Symptoms Scale - Patient Rated - 15 Minutes
Placebo
0.02 units on a scale
Standard Deviation 0.15
0.04 units on a scale
Standard Deviation 0.21

SECONDARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models.

Clinician Administered Dissociative Symptoms Scale (CADSS) is a patient and Clinician rated measurement of dissociative states induced by thiopental (0 not at all dissociative - 84 extreme dissociative)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Clinician Administered Dissociative Symptoms Scale - Patient Rated - 80 Minutes
Thiopental
0.73 units on a scale
Standard Deviation 1.58
0.83 units on a scale
Standard Deviation 1.56
Clinician Administered Dissociative Symptoms Scale - Patient Rated - 80 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models.

Clinician Administered Dissociative Symptoms Scale (CADSS) is a patient and Clinician rated measurement of dissociative states induced by thiopental (0 not at all dissociative - 84 extreme dissociative)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Clinician Administered Dissociative Symptoms Scale - Patient Rated - 110 Minutes
Thiopental
0.43 units on a scale
Standard Deviation 1.59
0.22 units on a scale
Standard Deviation 0.42
Clinician Administered Dissociative Symptoms Scale - Patient Rated - 110 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

Clinician Administered Dissociative Symptoms Scale (CADSS) is a patient and Clinician rated measurement of dissociative states induced by thiopental (0 not at all dissociative - 20 extreme dissociative)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Clinician Administered Dissociative Symptoms Scale - Clinician Rated - Baseline
Thiopental
0.02 units on a scale
Standard Deviation 0.15
0 units on a scale
Standard Deviation 0
Clinician Administered Dissociative Symptoms Scale - Clinician Rated - Baseline
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

Clinician Administered Dissociative Symptoms Scale (CADSS) is a patient and Clinician rated measurement of dissociative states induced by thiopental (0 not at all dissociative - 20 extreme dissociative)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Clinician Administered Dissociative Symptoms Scale - Clinician Rated - 15 Minutes
Thiopental
1.43 units on a scale
Standard Deviation 2.39
1.04 units on a scale
Standard Deviation 1.72
Clinician Administered Dissociative Symptoms Scale - Clinician Rated - 15 Minutes
Placebo
0.02 units on a scale
Standard Deviation 0.15
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: 80 minutes

Population: All available data was utilized in the analysis using mixed models.

Clinician Administered Dissociative Symptoms Scale (CADSS) is a patient and Clinician rated measurement of dissociative states induced by thiopental (0 not at all dissociative - 20 extreme dissociative)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Clinician Administered Dissociative Symptoms Scale - Clinician Rated - 80 Minutes
Thiopental
0.68 units on a scale
Standard Deviation 1.54
0.35 units on a scale
Standard Deviation 0.65
Clinician Administered Dissociative Symptoms Scale - Clinician Rated - 80 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0.09 units on a scale
Standard Deviation 0.42

SECONDARY outcome

Timeframe: 110 minutes

Population: All available data was utilized in the analysis using mixed models.

Clinician Administered Dissociative Symptoms Scale (CADSS) is a patient and Clinician rated measurement of dissociative states induced by thiopental (0 not at all dissociative - 20 extreme dissociative)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Clinician Administered Dissociative Symptoms Scale - Clinician Rated - 110 Minutes
Thiopental
0.21 units on a scale
Standard Deviation 0.67
0.17 units on a scale
Standard Deviation 0.49
Clinician Administered Dissociative Symptoms Scale - Clinician Rated - 110 Minutes
Placebo
0 units on a scale
Standard Deviation 0
0 units on a scale
Standard Deviation 0

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

The pegboard task is a measure of coordination that measures reaction time; how long a subject takes to insert pegs into a pegboard puzzle, first using their dominant hand then using their non-dominant hand. A quicker time indicates greater coordination. Scores are timed in seconds

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Pegboard Task - Baseline (Dominant Hand)
Thiopental
58.49 seconds
Standard Deviation 9.39
60.57 seconds
Standard Deviation 10.56
Pegboard Task - Baseline (Dominant Hand)
Placebo
57.37 seconds
Standard Deviation 6.84
60.78 seconds
Standard Deviation 7.59

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

The pegboard task is a measure of coordination that measures reaction time; how long a subject takes to insert pegs into a pegboard puzzle, first using their dominant hand then using their non-dominant hand. A quicker time indicates greater coordination. Scores are timed in seconds

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Pegboard Task - 15 Minutes (Dominant Hand)
Thiopental
84.56 seconds
Standard Deviation 22.92
82.04 seconds
Standard Deviation 16.36
Pegboard Task - 15 Minutes (Dominant Hand)
Placebo
65.11 seconds
Standard Deviation 10.04
69.61 seconds
Standard Deviation 13.68

SECONDARY outcome

Timeframe: Baseline

Population: All available data was utilized in the analysis using mixed models.

The pegboard task is a measure of coordination that measures reaction time; how long a subject takes to insert pegs into a pegboard puzzle, first using their dominant hand then using their non-dominant hand. A quicker time indicates greater coordination. Scores are timed in seconds.

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Pegboard Task - Baseline (Non-Dominant Hand)
Thiopental
64.19 seconds
Standard Deviation 10.15
66.52 seconds
Standard Deviation 10.95
Pegboard Task - Baseline (Non-Dominant Hand)
Placebo
62.98 seconds
Standard Deviation 8.29
69.83 seconds
Standard Deviation 13.21

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

The pegboard task is a measure of coordination that measures reaction time; how long a subject takes to insert pegs into a pegboard puzzle, first using their dominant hand then using their non-dominant hand. A quicker time indicates greater coordination. Scores are timed in seconds.

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Pegboard Task - 15 Minutes (Non-Dominant Hand)
Thiopental
91.19 seconds
Standard Deviation 23.23
87.09 seconds
Standard Deviation 19.99
Pegboard Task - 15 Minutes (Non-Dominant Hand)
Placebo
71.13 seconds
Standard Deviation 12.57
75.48 seconds
Standard Deviation 13.74

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

Hopkins Verbal Learning Task (HVLT) - measures verbal memory and hippocampus function based on word recall. (0 = no words recalled - 36 = all words recalled)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Hopkins Verbal Learning Task (HVLT) - Total Recall
Thiopental
25.88 words recalled
Standard Deviation 6.14
26.96 words recalled
Standard Deviation 4.41
Hopkins Verbal Learning Task (HVLT) - Total Recall
Placebo
29.02 words recalled
Standard Deviation 3.94
29.35 words recalled
Standard Deviation 3.80

SECONDARY outcome

Timeframe: 45 minutes

Population: All available data was utilized in the analysis using mixed models.

Hopkins Verbal Learning Task (HVLT) - measures verbal memory and hippocampus function with word recall at 30 minutes) (0 no words recalled - 12 all words recalled)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Hopkins Verbal Learning Task (HVLT) - Delayed Recall
Thiopental
8.29 words recalled
Standard Deviation 3.39
8.74 words recalled
Standard Deviation 3.24
Hopkins Verbal Learning Task (HVLT) - Delayed Recall
Placebo
10.44 words recalled
Standard Deviation 1.75
10.04 words recalled
Standard Deviation 2.08

SECONDARY outcome

Timeframe: 15 minutes

Population: All available data was utilized in the analysis using mixed models.

Verbal Fluency Task: requires subjects to generate as many words as possible beginning with a single letter (e.g., "H") during a one-minute interval. (total words in one-minute interval)

Outcome measures

Outcome measures
Measure
Family History Negative for Alcoholism
n=46 Participants
Family History Negative for Alcoholism subjects will receive 2 interventions
Family History Positive
n=23 Participants
Family History Positive for Alcoholism subjects will receive 2 interventions
Verbal Fluency
Thiopental
13.47 number of words
Standard Deviation 4.11
13.96 number of words
Standard Deviation 3.34
Verbal Fluency
Placebo
14.35 number of words
Standard Deviation 4.42
14.04 number of words
Standard Deviation 3.23

Adverse Events

Family History Negative for Alcoholism

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

Family History Positive for Alcoholism

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

Dr. Ismene L. Petrakis, Professor of Psychiatry

Yale University School of Medicine

Phone: 203-932-5711

Results disclosure agreements

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