N/A
Completed N=71
The iTAP Study for Veterans
Insomnia · Alcohol; Harmful Use
Source: ClinicalTrials.gov NCT03804788 ↗
Enrolled (actual)
71
Serious AEs
0.0%
Results posted
Jan 2025
Primary outcomePrimary: Recruitment — 71 Participants
Summary
This project aims to evaluate improvement of insomnia as a mechanism of improvement in alcohol use outcomes.
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Recruitment |
71 | — |
| PRIMARY Retention |
33; 33 | — |
| PRIMARY Drinking Quantity |
18.63; 17.94; 15.29; 12.00; 15.12; 15.73 | — |
| PRIMARY Alcohol-related Consequences |
7.92; 8.45; 2.45; 4.46; 3.31; 5.28 | — |
| PRIMARY Insomnia Symptoms |
17.29; 16.88; 7.24; 12.27; 6.97; 12.30 | — |
| PRIMARY Sleep Quality |
1.92; 1.73; 2.49; 2.13; 2.53; 2.14 | — |
| PRIMARY Sleep Efficiency |
71.94; 68.82; 87.89; 77.89; 87.10; 79.90 | — |
| PRIMARY Client Satisfaction |
3.59; 2.72 | — |
| SECONDARY Delay Discounting |
.028; .022; .037; .009; .033; .011 | — |
| SECONDARY Negative Affect |
16.82; 16.39; 14.18; 18.29; 15.77; 16.48 | — |
| SECONDARY Emotion Regulation |
34.53; 32.85; 27.14; 35.79; 30.00; 34.88 | — |
| SECONDARY Alcohol Craving |
9.29; 9.70; 6.46; 7.62; 7.30; 7.04 | — |
| SECONDARY Percentage of Days Using Alcohol to Help With Sleep |
16.71; 6.73; 3.22; 6.89; 2.24; 9.12 | — |
| SECONDARY Percentage of Days Using Sleep Medication |
30.92; 23.15; 14.04; 28.44; 11.55; 20.36 | — |
Eligibility Criteria
Inclusion criteria
- Veteran deployed for military service after September 11, 2001
- 1+ heavy drinking episode (4/5+ drinks in 2 hours for women/men) in past 30 days
- DSM-5 and research diagnostic criteria for Insomnia Disorder
Exclusion Criteria
- Inability to provide informed consent
- Cognitive impairment
- Contraindications for CBT-I (mania or seizure disorder)
- Untreated sleep disorder requiring more than behavioral treatment for insomnia
- Engagement in overnight shift work at baseline
- Care of a child under 1 year of age
- Severe or untreated psychiatric disorder that requires immediate clinical attention
- Current behavioral treatment for insomnia or alcohol use
- Initiation of sleep medication in the past 6 weeks
Data sourced from ClinicalTrials.gov (NCT03804788). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.