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NCT02362672 · ClinicalTrials.gov registry record · Phase 3

Efficacy and Safety Study of NKTR-181 in Opioid-Naive Subjects With Low Back Pain

A Phase 3 study, sponsored by Nektar Therapeutics.

Completed
Registry status
Phase 3
Development phase
1,189
Enrollment target

NCT02362672: Completed Phase 3 study, sponsored by Nektar Therapeutics.

NCT02362672 is a Phase 3 study that has completed, run by Nektar Therapeutics. The registered enrollment target is 1,189 participants, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (54% higher). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

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The verdict

NCT02362672, a Phase 3 study, has completed, sponsored by Nektar Therapeutics.

COMPLETED
Registry status
Phase 3
Development phase
1,189 participants
Enrollment target

Study Summary

The purpose of this study is to determine whether a new opioid molecule, NKTR-181, is effective for the relief of moderate to severe chronic low back pain as compared to a placebo.

Primary Outcome

The daily pain intensity is an 11-point numerical rating scale ranging from 0 (no pain) to 10 (worst possible pain).

Interventions

  • DRUG NKTR-181 BID tablets
  • DRUG Placebo to match NKTR-181 BID tablets

Trial Details

FieldValue
Enrollment Target 1,189 participants
Start Date 2015-03-11
Est. Completion 2017-02
Phase Phase 3
Nektar Therapeutics

37 total trials

What the finished NCT02362672 record still lists

NCT02362672 is an interventional study that assigns participants to a tested intervention. Its 1,189 participants enrollment target places it among the larger protocols in the corpus, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (54% higher).

The record links to 0 conditions, and to 2 interventions - of which NKTR-181 BID tablets is the first listed.

NCT02362672 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT02362672 about?

NCT02362672 is a clinical study titled "Efficacy and Safety Study of NKTR-181 in Opioid-Naive Subjects With Low Back Pain". The purpose of this study is to determine whether a new opioid molecule, NKTR-181, is effective for the relief of moderate to severe chronic low back pain as compared to a placebo.

What is the current status of trial NCT02362672?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 1,189 participants. The study started on 2015-03-11. Estimated completion is 2017-02.

What interventions are being tested in trial NCT02362672?

The interventions under investigation include: NKTR-181 BID tablets (DRUG), Placebo to match NKTR-181 BID tablets (DRUG).

Who is sponsoring clinical trial NCT02362672?

This trial is sponsored by Nektar Therapeutics, which has 37 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT02362672's enrollment target sits among peer trials

1,189 229th of 2000 higher than 1,772 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT02362672, the US trial registry maintained by the National Library of Medicine. NCT02362672 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.