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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01573052
Other study ID # UU40574
Secondary ID
Status Completed
Phase Phase 4
First received
Last updated
Start date March 2004
Est. completion date September 2010

Study information

Verified date August 2020
Source VA Salt Lake City Health Care System
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

A randomized, double-blind controlled trial comparing treatment outcomes between chlordiazepoxide, or gabapentin to treat alcohol withdrawal syndrome in alcohol dependent veteran subjects. The objective of this trial is to compare the safety and effectiveness of these two medications. Intervention is a fixed dose taper of chlordiazepoxide, or gabapentin over 6 days. Subjects will be evaluated for 7-10 days to monitor alcohol abstinence, withdrawal severity scores, adverse events including ataxia, sedation, cognitive function and alcohol craving.


Description:

Chlordiazepoxide 25 mg and matching placebo capsules or gabapentin 300 mg and matching placebo capsules were were used. The chlordiazepoxide/placebo and gabapentin/placebo capsules were not identical in appearance. Study medications were packaged into a 7-day medication organizer. The dosing for each subject was either gabapentin 1200mg or chlordiazepoxide 100 mg orally days 1-3, gabapentin 900 mg or chlordiazepoxide 75 mg day 4, gabapentin 600 mg or chlordiazepoxide 50 mg day 5, and gabapentin 300 mg or chlordiazepoxide 25 mg day 6.

Adherence was assessed by pill counts and serum samples were obtained for study drug analysis. Serum samples were batched and sent to a contract laboratory so that study clinicians were blinded to the results until after the trial was completed. Presence of the assigned study medication in the blood served as a surrogate adherence marker.

Subjects also received prescriptions for daily oral therapeutic multiple vitamin tablets, folic acid 1 mg, and thiamine 100 mg.

A psychiatric history and physical examination, breath alcohol concentration, vital signs, CIWA-Ar (alcohol withdrawal scale), and blood chemistry including transaminases and complete blood cell count were obtained for baseline for all participants. Subjects were seen on weekdays for clinic follow-up appointments. Assessments performed at each study visit included CIWA-Ar, ESS (Epworth Sleepiness Scale), PACS (Penn Alcohol Craving Scale), and a brief examination to document mental status and assess coordination, which included assessment of stance, tandem gait, Romberg test, pronator drift, toe and heel walk, rapid-alternating-movements, and point-to-point movements. Breath alcohol concentration (BAC) was also measured (AlcoSensor, Intoximeters, Inc.) at each visit.


Recruitment information / eligibility

Status Completed
Enrollment 26
Est. completion date September 2010
Est. primary completion date August 2010
Accepts healthy volunteers No
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria:

- Alcohol dependent at risk for withdrawal symptoms

Exclusion Criteria:

- Benzodiazepine dependent

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Chlordiazepoxide
25mg four times daily x 3 days then tapered over 3 days
Gabapentin
300mg four times daily x 3 days then tapered over 3 days

Locations

Country Name City State
United States George E Wahlen VA Medical Center Salt Lake City Utah

Sponsors (1)

Lead Sponsor Collaborator
VA Salt Lake City Health Care System

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Epworth Sleepiness Scale (ESS) ESS is an 8 item-scale and scores range between 0 and 24. The higher the score implies more daytime sleepiness. 1 week
Primary PENN Alcohol Craving Scale PENN is a 5 item self-rated scale of alcohol craving. Scores range from 0 (little craving for alcohol) to 30 (irresistable urge to drink alcohol) 1 week
Secondary Clinical Institute Withdrawal Assessment-Alcohol (Revised)(CIWA-Ar) CIWA-Ar measures severity of 10 observed or measured alcohol withdrawal signs or symptoms. Total score ranges from 0 (best possible outcome)-67 (worst possible outcome). Many previously publications suggest a total score of 8-10 is severe enough to warrant medication treatment. Lower scores (0-8) represent fewer withdrawal symptoms and less severity, scores > 8 represent more withdrawal symptoms and greater severity 1 week
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