Levetiracetam (Keppra) Tolerability in Cocaine Abusing Methadone-maintained Patients.

Completed · Phase 2

Conditions studied: Cocaine Dependence, Opioid Dependence

In brief

The proposed investigation will use methadone maintained patients who have concurrent cocaine dependence in order to take advantage of the excellent (over 80%) treatment retention in this patient group and to maximize treatment compliance by daily observed medication with both methadone and levetiracetam. In the initial patients we will explore the tolerability of escalating doses of levetiracetam as well as its potential role in reducing cocaine use, as monitored by self-report and verified by three-times weekly urine toxicology testing in methadone treated patients.The specific aim of this study is to evaluate the tolerability and efficacy of levetiracetam 3 grams/day in modifying cocaine-using behavior, reducing cocaine craving and attenuating cocaine's reinforcing effect among methadone-maintained patients

Key facts

Study ID

NCT00593125

Run by

Yale University

People needed

15

Starts

2007-01-01

Expected to finish

2008-08-01

Last updated by the study team

2017-01-12

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Between the ages of 18-65 years.
• Participants must demonstrate current opioid dependence as determined by study physician, self-reported history of opioid dependence for one year and a positive urine of opiates. Participants may be transferred from other methadone maintenance programs, including the WHVA methadone program.
• Participants also must be current users of cocaine with self-reported use of cocaine > 1 time/week in at least one month preceding study entry, cocaine-positive urine screen and score over 3 as assessed with the Severity Dependence Scale (Kaye \& Darke 2002).
• Women of childbearing age are eligible to be included in the study if they have a negative pregnancy test at screening, agree to adequate contraception to prevent pregnancy, to have monthly pregnancy tests, and they understand the risk of fetal toxicity due to medication and cocaine.

You may not qualify if…

• Current diagnosis of other drug or alcohol dependence (other than opiates, cocaine or tobacco).
• Patients with serious medical illness (e.g., major cardiovascular, renal, endocrine, hepatic, and serious neurological disorders including any history of seizures).
• Patients with current serious psychiatric illness or history of psychosis, schizophrenia, bipolar type I disorder and subjects with suicidal or homicidal thoughts or taking psychotropic medications.
• Women who are pregnant, nursing or refuse to use a reliable form of birth control or refuse monthly testing.
• Screening liver function tests (SGOT or SGPT) greater than 3 times normal and renal function test (creatinine) greater than 1.5 mg/dl.

Where it is running

• VA CT Healthcare System — West Haven, Connecticut, United States

Full record on ClinicalTrials.gov

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