Trial Outcomes & Findings for Alcohol Metabolism and Disease Risk in Asians (NCT NCT04967599)
NCT ID: NCT04967599
Last Updated: 2024-12-24
Results Overview
Drinking quantity (i.e. total number of alcoholic drinks) consumed on heaviest drinking day
COMPLETED
NA
360 participants
Baseline through 10-months post-intervention (which occurred on 1 day)
2024-12-24
Participant Flow
Participants were recruited July to October 2021 as a college student sample in Los Angeles
All 360 participants were assigned to a group.
Participant milestones
| Measure |
Control (CONTROL)
Participants do not receive PHEN or GENE.
|
Phenotype Feedback (PHEN)
Participants receive the PHEN intervention.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
|
Phenotype and Genotype Feedback (PHEN+GENE)
Participants receive the PHEN and GENE interventions.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
Genotype Feedback Intervention: Online session providing personalized feedback on alcohol metabolism genotypes and associated health-related risks.
|
|---|---|---|---|
|
Overall Study
STARTED
|
120
|
120
|
120
|
|
Overall Study
COMPLETED
|
85
|
101
|
97
|
|
Overall Study
NOT COMPLETED
|
35
|
19
|
23
|
Reasons for withdrawal
| Measure |
Control (CONTROL)
Participants do not receive PHEN or GENE.
|
Phenotype Feedback (PHEN)
Participants receive the PHEN intervention.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
|
Phenotype and Genotype Feedback (PHEN+GENE)
Participants receive the PHEN and GENE interventions.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
Genotype Feedback Intervention: Online session providing personalized feedback on alcohol metabolism genotypes and associated health-related risks.
|
|---|---|---|---|
|
Overall Study
Lost to Follow-up
|
35
|
19
|
23
|
Baseline Characteristics
Alcohol Metabolism and Disease Risk in Asians
Baseline characteristics by cohort
| Measure |
Control (CONTROL)
n=120 Participants
Participants do not receive PHEN or GENE.
|
Phenotype Feedback (PHEN)
n=120 Participants
Participants receive the PHEN intervention.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
|
Phenotype and Genotype Feedback (PHEN+GENE)
n=120 Participants
Participants receive the PHEN and GENE interventions.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
Genotype Feedback Intervention: Online session providing personalized feedback on alcohol metabolism genotypes and associated health-related risks.
|
Total
n=360 Participants
Total of all reporting groups
|
|---|---|---|---|---|
|
Age, Continuous
|
18.7 years
STANDARD_DEVIATION 1.1 • n=5 Participants
|
19.1 years
STANDARD_DEVIATION 1.3 • n=7 Participants
|
18.6 years
STANDARD_DEVIATION 1.2 • n=5 Participants
|
18.8 years
STANDARD_DEVIATION 1.2 • n=4 Participants
|
|
Sex: Female, Male
Female
|
66 Participants
n=5 Participants
|
68 Participants
n=7 Participants
|
74 Participants
n=5 Participants
|
208 Participants
n=4 Participants
|
|
Sex: Female, Male
Male
|
54 Participants
n=5 Participants
|
52 Participants
n=7 Participants
|
46 Participants
n=5 Participants
|
152 Participants
n=4 Participants
|
|
Race (NIH/OMB)
American Indian or Alaska Native
|
0 Participants
n=5 Participants
|
0 Participants
n=7 Participants
|
0 Participants
n=5 Participants
|
0 Participants
n=4 Participants
|
|
Race (NIH/OMB)
Asian
|
115 Participants
n=5 Participants
|
111 Participants
n=7 Participants
|
112 Participants
n=5 Participants
|
338 Participants
n=4 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
|
0 Participants
n=4 Participants
|
|
Race (NIH/OMB)
Black or African American
|
0 Participants
n=5 Participants
|
0 Participants
n=7 Participants
|
0 Participants
n=5 Participants
|
0 Participants
n=4 Participants
|
|
Race (NIH/OMB)
White
|
0 Participants
n=5 Participants
|
0 Participants
n=7 Participants
|
0 Participants
n=5 Participants
|
0 Participants
n=4 Participants
|
|
Race (NIH/OMB)
More than one race
|
5 Participants
n=5 Participants
|
9 Participants
n=7 Participants
|
8 Participants
n=5 Participants
|
22 Participants
n=4 Participants
|
|
Race (NIH/OMB)
Unknown or Not Reported
|
0 Participants
n=5 Participants
|
0 Participants
n=7 Participants
|
0 Participants
n=5 Participants
|
0 Participants
n=4 Participants
|
|
Region of Enrollment
United States
|
120 participants
n=5 Participants
|
120 participants
n=7 Participants
|
120 participants
n=5 Participants
|
360 participants
n=4 Participants
|
PRIMARY outcome
Timeframe: Baseline through 10-months post-intervention (which occurred on 1 day)Population: 360 participants were in the baseline assessment, 280 had this outcome in the 10-month follow-up assessment
Drinking quantity (i.e. total number of alcoholic drinks) consumed on heaviest drinking day
Outcome measures
| Measure |
Control (CONTROL)
n=120 Participants
Participants do not receive PHEN or GENE.
|
Phenotype Feedback (PHEN)
n=120 Participants
Participants receive the PHEN intervention.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
|
Phenotype and Genotype Feedback (PHEN+GENE)
n=120 Participants
Participants receive the PHEN and GENE interventions.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
Genotype Feedback Intervention: Online session providing personalized feedback on alcohol metabolism genotypes and associated health-related risks.
|
|---|---|---|---|
|
Peak Number of Alcohol Drinks Consumed in a Day
Baseline
|
3.7 drinks
Standard Deviation 3.5
|
4.2 drinks
Standard Deviation 4.1
|
3.4 drinks
Standard Deviation 3.0
|
|
Peak Number of Alcohol Drinks Consumed in a Day
10-month follow-up
|
3.0 drinks
Standard Deviation 2.9
|
2.8 drinks
Standard Deviation 2.7
|
3.2 drinks
Standard Deviation 3.5
|
SECONDARY outcome
Timeframe: Baseline through 10-months post-intervention (which occurred on 1 day)Population: 360 participants were in the baseline assessment, 279 of whom reported this variable in the 10-month follow-up assessment
Number of days consumed alcohol in the past month
Outcome measures
| Measure |
Control (CONTROL)
n=120 Participants
Participants do not receive PHEN or GENE.
|
Phenotype Feedback (PHEN)
n=120 Participants
Participants receive the PHEN intervention.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
|
Phenotype and Genotype Feedback (PHEN+GENE)
n=120 Participants
Participants receive the PHEN and GENE interventions.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
Genotype Feedback Intervention: Online session providing personalized feedback on alcohol metabolism genotypes and associated health-related risks.
|
|---|---|---|---|
|
Number of Drinking Days
Baseline
|
2.4 days
Standard Deviation 1.8
|
2.3 days
Standard Deviation 1.8
|
2.3 days
Standard Deviation 1.8
|
|
Number of Drinking Days
10-month follow-up
|
2.3 days
Standard Deviation 1.9
|
2.0 days
Standard Deviation 1.8
|
2.2 days
Standard Deviation 1.8
|
SECONDARY outcome
Timeframe: Baseline through 10-months post-intervention (which occurred on 1 day)Population: 360 participants were in the baseline assessment, 269 of whom reported on this variable in the 10-month follow-up assessment
Alcohol quantity (total number of drinks) consumed on a typical drinking weekend
Outcome measures
| Measure |
Control (CONTROL)
n=120 Participants
Participants do not receive PHEN or GENE.
|
Phenotype Feedback (PHEN)
n=120 Participants
Participants receive the PHEN intervention.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
|
Phenotype and Genotype Feedback (PHEN+GENE)
n=120 Participants
Participants receive the PHEN and GENE interventions.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
Genotype Feedback Intervention: Online session providing personalized feedback on alcohol metabolism genotypes and associated health-related risks.
|
|---|---|---|---|
|
Number of Alcoholic Drinks Consumed on Weekend
Baseline
|
2.7 drinks
Standard Deviation 4.2
|
3.1 drinks
Standard Deviation 4.4
|
2.7 drinks
Standard Deviation 3.6
|
|
Number of Alcoholic Drinks Consumed on Weekend
10-month follow-up
|
2.1 drinks
Standard Deviation 3.8
|
1.9 drinks
Standard Deviation 3.0
|
2.7 drinks
Standard Deviation 4.2
|
SECONDARY outcome
Timeframe: Baseline through 10-months post-intervention (which occurred on 1 day)Population: 360 participants were in the baseline assessment, 269 of whom reported this variable in the 10-month follow-up
Total quantity (i.e. number of drinks) of alcohol consumed in a typical drinking week
Outcome measures
| Measure |
Control (CONTROL)
n=120 Participants
Participants do not receive PHEN or GENE.
|
Phenotype Feedback (PHEN)
n=120 Participants
Participants receive the PHEN intervention.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
|
Phenotype and Genotype Feedback (PHEN+GENE)
n=120 Participants
Participants receive the PHEN and GENE interventions.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
Genotype Feedback Intervention: Online session providing personalized feedback on alcohol metabolism genotypes and associated health-related risks.
|
|---|---|---|---|
|
Number of Alcoholic Drinks Consumed Weekly
Baseline
|
3.2 drinks
Standard Deviation 4.6
|
4.0 drinks
Standard Deviation 5.6
|
2.9 drinks
Standard Deviation 4.1
|
|
Number of Alcoholic Drinks Consumed Weekly
10-month follow-up
|
2.8 drinks
Standard Deviation 5.8
|
2.2 drinks
Standard Deviation 3.4
|
2.7 drinks
Standard Deviation 4.2
|
SECONDARY outcome
Timeframe: Baseline through 10-months post-intervention (which occurred on 1 day)Population: 360 participants were in the baseline assessment, 280 of whom reported on this variable in the 10-month follow-up
Number of Participants Identified as Non-drinkers (i.e. have not had alcohol beyond small sips or tastes)
Outcome measures
| Measure |
Control (CONTROL)
n=120 Participants
Participants do not receive PHEN or GENE.
|
Phenotype Feedback (PHEN)
n=120 Participants
Participants receive the PHEN intervention.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
|
Phenotype and Genotype Feedback (PHEN+GENE)
n=120 Participants
Participants receive the PHEN and GENE interventions.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
Genotype Feedback Intervention: Online session providing personalized feedback on alcohol metabolism genotypes and associated health-related risks.
|
|---|---|---|---|
|
Number of Participants Identified as Non-drinkers
Baseline
|
14 Participants
|
15 Participants
|
16 Participants
|
|
Number of Participants Identified as Non-drinkers
10-month follow-up
|
4 Participants
|
9 Participants
|
4 Participants
|
SECONDARY outcome
Timeframe: Baseline through 10-months post-intervention (which occurred on 1 day)Population: 311 participants in the baseline assessment and 220 in the 10-month follow-up assessment were current drinkers and could have used a flush cure (i.e. taken a substance to reduce flushing when drinking alcohol)
Proportion of time used a product to reduce flushing when drinking alcohol
Outcome measures
| Measure |
Control (CONTROL)
n=107 Participants
Participants do not receive PHEN or GENE.
|
Phenotype Feedback (PHEN)
n=101 Participants
Participants receive the PHEN intervention.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
|
Phenotype and Genotype Feedback (PHEN+GENE)
n=103 Participants
Participants receive the PHEN and GENE interventions.
Phenotype Feedback Intervention: Online session providing information on health-related risk associated with alcohol consumption and alcohol metabolism gene variations plus personalized feedback on flushing phenotype and associated risks.
Genotype Feedback Intervention: Online session providing personalized feedback on alcohol metabolism genotypes and associated health-related risks.
|
|---|---|---|---|
|
Alcohol Flush Cure Use Rate
Baseline · Some of the time used a flush cure
|
7 Participants
|
6 Participants
|
3 Participants
|
|
Alcohol Flush Cure Use Rate
Baseline · Almost never/never used a flush cure
|
97 Participants
|
91 Participants
|
94 Participants
|
|
Alcohol Flush Cure Use Rate
Baseline · Half of the time or more used a flush cure
|
3 Participants
|
4 Participants
|
6 Participants
|
|
Alcohol Flush Cure Use Rate
10-month follow-up · Some of the time used a flush cure
|
5 Participants
|
2 Participants
|
2 Participants
|
|
Alcohol Flush Cure Use Rate
10-month follow-up · Almost never/never used a flush cure
|
61 Participants
|
67 Participants
|
73 Participants
|
|
Alcohol Flush Cure Use Rate
10-month follow-up · Half of the time or more used a flush cure
|
2 Participants
|
5 Participants
|
3 Participants
|
Adverse Events
Control (CONTROL)
Phenotype Feedback (PHEN)
Phenotype and Genotype Feedback (PHEN+GENE)
Serious adverse events
Adverse event data not reported
Other adverse events
Adverse event data not reported
Additional Information
Susan Luczak, PI of study
University of Southern California
Results disclosure agreements
- Principal investigator is a sponsor employee
- Publication restrictions are in place