Interactions Between Intravenous (IV) Cocaine and Lofexidine

NCT ID: NCT01148992

Last Updated: 2017-01-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE1

Total Enrollment

16 participants

Study Classification

INTERVENTIONAL

Study Start Date

2010-08-31

Study Completion Date

2011-03-31

Brief Summary

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The purpose of this study is to assess potential interactions between intravenous (IV) cocaine and treatment with lofexidine.

Detailed Description

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To determine the safety of daily oral lofexidine alone and concurrent with IV cocaine infusions of 20 mg and 40 mg in cocaine-experienced, non-opiate-addicted volunteers.

Conditions

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Cocaine Related Disorders

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Lofexidine

Group Type ACTIVE_COMPARATOR

Lofexidine

Intervention Type DRUG

0.8mg alone and concurrent with IV cocaine infusions of 20 mg and 40 mg

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

0mg

Interventions

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Lofexidine

0.8mg alone and concurrent with IV cocaine infusions of 20 mg and 40 mg

Intervention Type DRUG

Placebo

0mg

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Be volunteers who meet Diagnostic and Statistical Manual of Mental Disorders Fourth Edition (DSM-IV) criteria for cocaine abuse or dependence and are non-treatment seeking at the time of the study.
* Be between 18 and 50 years of age, inclusive.
* Be currently use cocaine. Use must be confirmed by a positive urine test for cocaine metabolites once within the outpatient screening period.
* Be able to verbalize understanding of the consent form and provide written informed consent.
* Females must have a negative pregnancy test within 72 hours prior to receiving the first infusion of cocaine. They must also be postmenopausal, have had a hysterectomy, been sterilized, or agree to use one of the following methods of birth control:

* diaphragm and condom by partner
* intrauterine device (that does not contain progesterone) and condom by partner
* sponge and condom by partner
* complete abstinence from sexual intercourse

Note: Oral contraceptives, Depo-Provera, Norplant, Patch, and intrauterine progesterone contraceptive system are not allowed.

Exclusion Criteria

* Please contact site for more information
Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National Institute on Drug Abuse (NIDA)

NIH

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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California Pacific Medical Center Research Institute

San Francisco, California, United States

Site Status

Baylor College of Medicine

Houston, Texas, United States

Site Status

Countries

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United States

Other Identifiers

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Lofexidine-0001

Identifier Type: -

Identifier Source: org_study_id

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