Effects of Dextromethorphan on Opioid Tolerance in Methadone Patients - 1
Public ClinicalTrials.gov record NCT00000352. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Effects of Dextromethorphan on Opioid Tolerance in Methadone Patients
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine if addition of dextromethorphan to a stable dose of methadone in opioid dependent subjects will significantly affect physical and psychological aspects of opioid tolerance.
Study identification
- NCT ID
- NCT00000352
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- Not listed
Conditions and interventions
Eligibility (public fields only)
- Age range
- 21 Years to 55 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 30, 1996
- Primary completion
- Jan 31, 1998
- Completion
- Mar 31, 1998
- Last update posted
- Jan 11, 2017
1996 – 1998
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Pennsylvania | Philadelphia | Pennsylvania | 19104 6178 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00000352, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jan 11, 2017 · Synced Sep 3, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00000352 live on ClinicalTrials.gov.