# Study in Healthy Volunteers to Investigate the Effects of Rifampin on the Pharmacokinetics of NKTR-118

> **NCT01533870** · PHASE1 · COMPLETED · sponsor: **AstraZeneca** · enrollment: 22 (actual)

## Conditions studied

- Drug Induced Constipation

## Interventions

- **DRUG:** NKTR-118
- **DRUG:** Rifampin

## Key facts

- **NCT ID:** NCT01533870
- **Lead sponsor:** AstraZeneca
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-03
- **Primary completion:** 2012-05
- **Final completion:** 2012-05
- **Target enrollment:** 22 (ACTUAL)
- **Last updated:** 2014-10-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01533870

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01533870, "Study in Healthy Volunteers to Investigate the Effects of Rifampin on the Pharmacokinetics of NKTR-118". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01533870. Licensed CC0.

---

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