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Completed Phase 2 Interventional Results available

Clinical Trial of Topiramate for Cocaine Addiction

ClinicalTrials.gov ID: NCT00685178

Public ClinicalTrials.gov record NCT00685178. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 5:47 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is an outpatient clinical trial of topiramate for addressing cocaine dependence and reduction of cocaine associated behaviors in opiate dependent drug users maintained on methadone treatment. The study aims to answer whether topiramate 1. is safe and acceptable to methadone patients 2. reduces cocaine use 3. helps with collateral problems such as alcohol abuse, tobacco dependence, anxiety, PTSD and/or pain symptoms. The study will also evaluate topiramate effect on neuro-cognitive performance.

Study identification

NCT ID
NCT00685178
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Johns Hopkins University
Other
Enrollment
250 participants

Conditions and interventions

Interventions

Drug · Behavioral

Eligibility (public fields only)

Age range
18 Years to 55 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 31, 2007
Primary completion
May 31, 2011
Completion
Aug 31, 2011
Last update posted
Jul 10, 2017

2007 – 2011

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Behavioral Pharmacology Research Unit Baltimore Maryland 21224

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00685178, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 10, 2017 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00685178 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →