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Clinical trialNCT00135759CompletedPhase 2Interventional

Addition of Naltrexone to Methadone Taper

SponsorNational Institute on Drug Abuse (NIDA)Enrollment174Heroin DependenceOpioid-Related DisordersSubstance-Related Disorders
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

There is a continuing search for more effective opiate detoxification treatments. This study's purpose is to investigate the effects of adding very low doses of naltrexone to a methadone tapering treatment in opioid dependent individuals.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Duke University

    Durham, North Carolina, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Naltrexone →Placebo comparator
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
30 Apr 2005
Primary completion
—
Completion
31 Jul 2006
Last update posted
12 Jan 2017
Registered enrollment
174
Registry id
NCT00135759
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.