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Vigabatrin

Phase 2

Cocaine Addiction | Small molecule | Psychiatry |Catalyst Pharmaceuticals, Inc.|Last Updated: May 18, 2016

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment207

FDA Designations

No designations recorded

Clinical trial landscape

Vigabatrin · 3 trials · 2 indications

Phase 2 3
NCT00527683Double Blind Study of Vigabatrin for the Treatment of Cocaine DependenceCocaine Dependence
COMPLETED100 Analytics
NCT01281202Vigabatrin for the Treatment of Cocaine DependencyCocaine Addiction
COMPLETED207 Analytics
NCT00611130Vigabatrin for Treatment of Cocaine DependenceCocaine Dependence
COMPLETED186 Analytics
PHASE2COMPLETED
Double Blind Study of Vigabatrin for the Treatment of Cocaine Dependence
Cocaine DependenceUnlock trial analytics
PHASE2COMPLETED
Vigabatrin for the Treatment of Cocaine Dependency
Cocaine AddictionUnlock trial analytics
PHASE2COMPLETED
Vigabatrin for Treatment of Cocaine Dependence
Cocaine DependenceUnlock trial analytics

Study Endpoints

Primary Endpoints

Three consecutive weeks of negative urine tests (benzoyl ecgonine) for cocaine use (no slips allowed).
These must be the last three weeks (7,8,9) of the trial.
Abstinence
Weeks 8-9

The number of subjects in each treatment group who are cocaine abstinent during the last 2 weeks of the Treatment Phase (Weeks 8 and 9).

Proportion of Subjects in Each Treatment Group Abstinent During the Last 2 Weeks of Treatment.
Week 13

Number of subjects in the CPP-109 Vigabatrin Group vs. Number in Placebo Group abstinent from using cocaine during Weeks 11 and 12 of the Treatment Phase.

Secondary Endpoints

3 consecutive weeks of negative urines (one slip allowed)
Last 3 weeks (7,8,9) of the trial
cocaine craving
Weeks 1, 5,9
Number of Participants With Cocaine Use
Week 3 - 9
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
AACTIVE_COMPARATORSubjects will receive vigabatrin in escalating doses to 3 grams per day over three weeks, continued for 4 weeks and then tapered to zero over the next 2 weeks.
BPLACEBO_COMPARATOROrange juice and administration identical to Arm A.
CPP-109 Vigabatrin TabletsACTIVE_COMPARATORSubjects were evaluated for their compliance with protocol inclusion/exclusion criteria during a -2 to -4 week Screening/Baseline Phase During treatment, subjects received 3 CPP-109 Vigabatrin 500 mg Tablets, bid, for 9 weeks Subjects were provided with on-site, supervised, standardized, manualized Individual Drug Counseling 1x per week for 9 weeks and the first 4 weeks for the follow-up phase (weeks 10-13)
PlaceboPLACEBO_COMPARATORSubjects were evaluated for their compliance with protocol inclusion/exclusion criteria during a -2 to -4 week Screening/Baseline Phase During treatment, subjects received Vigabatrin matching placebo tablets, bid, for 9 weeks Subjects were provided with on-site, supervised, standardized, manualized Indivdiual Drug Counseling 1x per week for 9 weeks and the first 4 weeks for the follow-up phase (weeks 10-13)
1EXPERIMENTAL3 Vigabatrin Tablets, 500 mg, bid, for 9 weeks
2PLACEBO_COMPARATOR3 Placebo Tablets, bid, for 9 weeks

Interventions

NameTypeDescription
VigabatrinDRUGcrystalline drug dissolved in orange juice, dosage escalates from 500 mg twice daily to 1.5 g twice daily over a 3 week period. This dose is maintained for 4 weeks and then tapered to zero over the next two weeks
PlaceboDRUGorange juice is administered twice daily in containers indistinguishable from the treatment arm.
Group therapyBEHAVIORALParticipants attend group sessions once a week
Matching PlaceboDRUGTablets
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: In order to participate in the study, subjects must * Be at least 18 years of age and no older than 55 years of age. * Weigh more than 100 pounds. * Have a DSM-IV diagnosis of cocaine dependence. * Be seeking treatment for cocaine dependence. * Have a urine sample positive for ...

Countries:MexicoUnited States
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Frequently asked questions about Vigabatrin

What is Vigabatrin used for in cocaine dependence?

Vigabatrin is an investigational small molecule being studied for the treatment of cocaine dependence and cocaine addiction. It is in Phase 2 clinical development for these psychiatric conditions. Vigabatrin has been evaluated in completed clinical trials enrolling adults aged 18 years and older.

Who is developing Vigabatrin for cocaine dependence?

Catalyst Pharmaceuticals, Inc. (CPRX) is developing Vigabatrin for cocaine dependence and cocaine addiction. The company is conducting clinical research to evaluate the drug's safety and efficacy in this psychiatric indication.

What phase is Vigabatrin in for cocaine dependence?

Vigabatrin is in Phase 2 clinical development for cocaine dependence and cocaine addiction. It is an investigational drug and has not been approved for this use. Clinical trials have been completed to assess its effects in patients with these conditions.

What clinical trials has Vigabatrin been in for cocaine dependence?

Vigabatrin has been studied in three completed Phase 2 clinical trials for cocaine dependence. These include NCT00527683 in Mexico with 100 participants, NCT00611130 in the United States with 186 participants, and NCT01281202 in the United States with 207 participants. All trials were randomized, double-blind, and placebo-controlled.

Is Vigabatrin the same as vigabatrin for epilepsy?

Vigabatrin is the same drug that is approved for epilepsy, but it is being investigated for a new use in cocaine dependence and cocaine addiction. In this context, it is an investigational drug in Phase 2 development by Catalyst Pharmaceuticals, Inc. for the psychiatric indication.