Mode
Text Size
Log in / Sign up
Phase 4 N=151 Randomized Double-blind Treatment

A Controlled Trial of Topiramate Treatment for Alcohol Dependence in Veterans With PTSD

Alcohol Dependence · Posttraumatic Stress Disorder (PTSD)

Enrolled (actual)
151
Serious AEs
7.3%
Results posted
Jun 2021
Primary outcome: Primary: Change in Percentage of Heavy Drinking Days Over the 12 Weeks of Study Treatment as Assessed by the Timeline Followback (TFLB) — -36.2; -25.1 percent heavy drinking days

Study Design & Population

Study type
Interventional
Phase
Phase 4
Interventions
Topiramate (Drug); placebo (Drug); Medical Management (Behavioral)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
University of California, San Francisco
Primary completion
Jul 2019

Outcome Measures

OutcomeResultp-value
PRIMARY
Change in Percentage of Heavy Drinking Days Over the 12 Weeks of Study Treatment as Assessed by the Timeline Followback (TFLB)
-36.2; -25.1
SECONDARY
Change in PTSD Symptom Severity as Assessed by the PTSD Checklist (PCL)
-15.4; -15.9
SECONDARY
Change in Impulsivity as Assessed by Delay Discounting (DD)
-0.020; 0.058
SECONDARY
Change in Risk-taking Behavior as Assessed by the Balloon Analogue Risk Task (BART)
26.7; 13.4
SECONDARY
Change in Decision-making Behavior as Assessed by the Iowa Gambling Task (IGT)
2.03; 2.80

Summary

The goal of this project is to improve the treatment of veterans with co-occurring alcohol dependence and posttraumatic stress disorder (PTSD). The PI and co-investigators will conduct a controlled clinical trial of topiramate for the treatment of these co-occurring disorders.

Eligibility Criteria

Inclusion Criteria

  • Male and female veterans
  • Ages18 to 69 (inclusive)
  • Current DSM-IV diagnosis of PTSD
  • Current (past month) DSM-IV diagnosis of an Alcohol Dependence
  • Level of drinking must meet criteria for "at-risk " or "heavy" drinking by NIAAA threshold (NIAAA 2007): at least 15 standard drinks per week on average over the 4 weeks prior to study entry for men and at least 8 standard drinks per week on average for women.
  • Subjects must express a desire to reduce alcohol consumption with the possible long-term goal of abstinence.
  • Female subjects must have a negative urine pregnancy test and must be either postmenopausal for at least one year, or practicing an effective method of birth control (e.g., surgically sterile, spermicide with barrier, male partner sterilization; or abstinent and agrees to continue abstinence or to use an acceptable method of contraception, as listed above, should sexual activity commence)
  • Subjects must have a Breath Alcohol Concentration (BAC) of 5 times the upper limit of the normal range and/or an increased serum bilirubin >2 times the upper limit of normal.
  • Seizure disorders
  • History of glaucoma.
  • History of kidney stones.
  • Concurrent participation in another treatment study.
  • Female patients who are pregnant or lactating.
  • Current Topiramate use or use within the past 4 weeks.
  • Current medications for alcohol dependence (disulfiram, naltrexone, or acamprosate) or use in the past week.
  • Needing acute medical detoxification from alcohol based on a score of 12 or more on the Clinical Institute Withdrawal Assessment of Alcohol Scale (CIWA-AD);
  • Subjects who are legally mandated to participate in an alcohol treatment program.
  • Subjects who have had a suicide attempt in the past 6 months or suicidal ideation in the 90 days prior to enrollment.
  • Subjects who have previously been treated with topiramate for any reason and discontinued treatment due to an adverse event or due to a hypersensitivity reaction to topiramate,
  • Subjects with seizure disorders that require anticonvulsant medications
  • Subjects currently being treated with another anticonvulsant.
  • Subjects who in the opinion of the investigator should not be enrolled in the study because of the precautions, warnings or contraindications outlined in the topiramate package insert.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT01749215). 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.

Back to search