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Clinical trialNCT00218127CompletedPhase 2Interventional

Treatment of Opioid/Heroin Dependence: Comparison of Three Medication Dosing Regimens

SponsorNational Institute on Drug Abuse (NIDA)Enrollment142Heroin DependenceOpioid-Related Disorders
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

Heroin dependence remains a major addiction problem in the United States. The purpose of this study is to determine the effectiveness of levoacetyl methadol (ORLAAM) in treating heroin 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.

  • John Grabowski, PhD

    The University of Texas Health Science Center, Houston

    Principal Investigator
    clinicaltrials.gov ↗

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
  • Department of Psychatiry, Mental Services

    Houston, Texas, 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.

Levoacetyl Methadol
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 Nov 2001
Primary completion
31 Jul 2005
Completion
31 Jul 2005
Last update posted
12 Jan 2017
Registered enrollment
142
Registry id
NCT00218127
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.