# Study of Methylnaltrexone in Opioid-Induced Constipation Patients

> **NCT02574819** · PHASE2,PHASE3 · UNKNOWN · sponsor: **Chia Tai Tianqing Pharmaceutical Group Co., Ltd.** · enrollment: 198 (estimated)

## Conditions studied

- Opioid-induced Constipation

## Interventions

- **DRUG:** Methylnaltrexone (MNTX)
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT02574819
- **Lead sponsor:** Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2015-04
- **Primary completion:** 2016-12
- **Final completion:** 2017-04
- **Target enrollment:** 198 (ESTIMATED)
- **Last updated:** 2015-10-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02574819

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02574819, "Study of Methylnaltrexone in Opioid-Induced Constipation Patients". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT02574819. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*