Overview

Effectiveness of Topiramate in Treating Cocaine Dependent Individuals - 1

Status:
Unknown status
Trial end date:
2012-10-01
Target enrollment:
0
Participant gender:
All
Summary
Although a great amount of research has been conducted to resolve cocaine dependence, an effective treatment has yet to be discovered. Topiramate is a drug that was found to be useful in treating alcohol dependence. The purpose of this study is to determine the effectiveness of topiramate in treating cocaine dependent individuals.
Phase:
Phase 3
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Bankole Johnson
Collaborator:
National Institute on Drug Abuse (NIDA)
Treatments:
Cocaine
Topiramate
Criteria
Inclusion Criteria:

- Current DSM-IV diagnosis of cocaine dependence

- Good physical health as determined by a complete physical examination, an EKG within
normal limits, and laboratory screening tests within acceptable parameters

- Seeking treatment for cocaine dependence

- At least one positive urine drug screen for cocaine at screen or baseline prior to
randomization

- If female, a negative pregnancy test prior to study entry

- Agrees to use an effective method of contraception for the duration of the study

- Reads and writes English

- Willing to participate in behavioral treatment for cocaine dependence

Exclusion Criteria:

- Current DSM-IV diagnosis of dependence on any psychoactive substance other than
cocaine, alcohol, nicotine, caffeine, or marijuana

- Physiological dependence on alcohol and requires medical detoxification

- Neurological or psychiatric disorders

- Any Axis 1 disorder that warrants treatment or would preclude safe participation

- Organic brain disease

- Dementia

- Bulimia and/or anorexia nervosa

- Seizure disorders or epilepsy

- Any disorder which would require ongoing treatment or which would make study agent
compliance difficult

- History of suicide attempts and/or current suicidal ideation, as determined by the
SCID, within the 30 days prior to screening

- Serious medical illnesses

- Mandated by the court to obtain treatment for cocaine dependence

- Expected to relocate from the study area

- AIDS diagnosis

- HIV with a CD4 positive T cell count less than 500 mm

- Any subjects on any pharmacotherapy for the treatment of AIDS or HIV will be excluded

- Active syphilis that has not been treated, or refused treatment for syphilis

- Severe or life-threatening adverse reactions to medications (including topiramate) in
the past or during this clinical trial

- Currently receiving active treatment with topiramate

- Use of a drug with known potential for toxicity to a major organ system (e.g.,
isoniazid, methotrexate), within 30 days prior to study entry

- Pregnant or breastfeeding

- Concurrent regular use of psychotropics, including but not limited to antidepressants,
anxiolytics, antipsychotics, anticonvulsants, and psychomotor stimulant-type
medications, St. John's Wort, yohimbine, ginko biloba, horehound, or any other central
nervous system active herbal preparations

- Use of any opiate substitutes (e.g., methadone, levo-alpha acetyl methadol,
buprenorphine), within the month prior to screening

- Clinically significant test results that, in the investigator's opinion, require
immediate or urgent treatment

- Fever of unknown origin or neuroleptic malignant syndrome

- Serious medical co-morbidity requiring medical intervention or close supervision

- Received inpatient or outpatient treatment for cocaine dependence within the 4 weeks
prior to study entry

- Past participation in a clinical trial utilizing topiramate

- Treatment with electroconvulsive therapy within the 3 months prior to study entry

- Member of the same household of an individual enrolled in the present study