# A Phase 2 Study To Assess The Efficacy, Tolerability, And Safety OF NKTR-181 In Subjects With Chronic OA Knee Pain

> **NCT01619839** · PHASE2 · COMPLETED · sponsor: **Nektar Therapeutics** · enrollment: 296 (actual)

## Conditions studied

- Osteoarthritis of the Knee

## Interventions

- **DRUG:** NKTR-181
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT01619839
- **Lead sponsor:** Nektar Therapeutics
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2012-06
- **Primary completion:** 2013-08
- **Final completion:** 2013-09
- **Target enrollment:** 296 (ACTUAL)
- **Last updated:** 2021-08-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01619839

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01619839, "A Phase 2 Study To Assess The Efficacy, Tolerability, And Safety OF NKTR-181 In Subjects With Chronic OA Knee Pain". Retrieved via AI Analytics 2026-09-09 from https://api.ai-analytics.org/clinical/NCT01619839. Licensed CC0.

---

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