# Variation of COMT Val158Met Polymorphism Between COM-ON Patients and METHADOSE Patients

> **NCT01570699** · — · COMPLETED · sponsor: **Assistance Publique - Hôpitaux de Paris** · enrollment: 87 (actual)

## Conditions studied

- Opioid-related Disorders
- Opiate Dependence
- Opiate Addiction
- Opiate Abuse

## Interventions

- **GENETIC:** COMT polymorphism

## Key facts

- **NCT ID:** NCT01570699
- **Lead sponsor:** Assistance Publique - Hôpitaux de Paris
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2012-12
- **Primary completion:** 2016-06
- **Final completion:** 2016-06
- **Target enrollment:** 87 (ACTUAL)
- **Last updated:** 2016-09-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01570699

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01570699, "Variation of COMT Val158Met Polymorphism Between COM-ON Patients and METHADOSE Patients". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01570699. Licensed CC0.

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