# Long-Term Safety and Tolerability Study of NKTR-181 in Subjects With Chronic Low Back Pain or Chronic Non-Cancer Pain

> **NCT02367820** · PHASE3 · COMPLETED · sponsor: **Nektar Therapeutics** · enrollment: 638 (actual)

## Conditions studied

- Low Back Pain
- Chronic Pain

## Interventions

- **DRUG:** NKTR-181 BID tablets

## Key facts

- **NCT ID:** NCT02367820
- **Lead sponsor:** Nektar Therapeutics
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2015-04-14
- **Primary completion:** 2017-12
- **Final completion:** 2018-01
- **Target enrollment:** 638 (ACTUAL)
- **Last updated:** 2021-06-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02367820

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02367820, "Long-Term Safety and Tolerability Study of NKTR-181 in Subjects With Chronic Low Back Pain or Chronic Non-Cancer Pain". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02367820. Licensed CC0.

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