Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT01115569 · ClinicalTrials.gov registry record · Phase 3

Long-Term Study of Hydrocodone Bitartrate Controlled-release Capsules in Subjects With Chronic Pain

A Phase 3 study, sponsored by Zogenix.

Completed
Registry status
Phase 3
Development phase
424
Enrollment target

NCT01115569: Completed Phase 3 study, sponsored by Zogenix.

NCT01115569 is a Phase 3 study that has completed, run by Zogenix. The registered enrollment target is 424 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (45% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT01115569, a Phase 3 study, has completed, sponsored by Zogenix.

COMPLETED
Registry status
Phase 3
Development phase
424 participants
Enrollment target

Study Summary

This Phase 3, multi-center study will evaluate the long-term safety and tolerability of hydrocodone bitartrate controlled release capsule (HC-CR) at daily doses of 40 mg or more in subjects with moderate to severe chronic pain. Long-term maintenance of HC-CR efficacy will be evaluated.

Primary Outcome

Numeric Rating Scale (NRS) for Pain (0-10; where 0 = no pain, 10 = worst pain imaginable) recorded up to 54 weeks, starting at screening through end of study. Lower number equals better outcome.

Interventions

  • DRUG Hydrocodone Bitartrate

Trial Details

FieldValue
Enrollment Target 424 participants
Start Date 2010-05
Est. Completion 2012-01
Phase Phase 3
Zogenix

9 total trials

What the finished NCT01115569 record still lists

NCT01115569 is an interventional study that assigns participants to a tested intervention. The registered 424 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (45% lower).

The record links to 0 conditions, and to 1 intervention - of which Hydrocodone Bitartrate is the first listed.

NCT01115569 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01115569 about?

NCT01115569 is a clinical study titled "Long-Term Study of Hydrocodone Bitartrate Controlled-release Capsules in Subjects With Chronic Pain". This Phase 3, multi-center study will evaluate the long-term safety and tolerability of hydrocodone bitartrate controlled release capsule (HC-CR) at daily doses of 40 mg or more in subjects with moderate to severe chronic pain. Long-term maintenance of HC-CR efficacy will be evaluated.

What is the current status of trial NCT01115569?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 424 participants. The study started on 2010-05. Estimated completion is 2012-01.

What interventions are being tested in trial NCT01115569?

The interventions under investigation include: Hydrocodone Bitartrate (DRUG).

Who is sponsoring clinical trial NCT01115569?

This trial is sponsored by Zogenix, which has 9 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01115569's enrollment target sits among peer trials

424 884th of 2000 higher than 1,116 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

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT05632770 · 424 participants · NA

    A Deployment Focused Pragmatic Trial of Optimal Stepped Care Intervention Targeting PTSD and Comorbidity for Acutely Hospitalized Injury Survivors Treated in US Trauma Care Systems

  • NCT05733767 · 424 participants · Phase 2

    Smoking Cessation Pharmacotherapy-Nurse Practitioner Led Tobacco Treatment Team Study

  • NCT06978127 · 424 participants · NA

    Technology Assisted Collaborative Care Intervention to Improve Patient-centered Outcomes in Dialysis Patients

  • NCT07140913 · 424 participants · Phase 3

    A Study to Evaluate the Efficacy and Safety of Adjunctive KarXT for the Treatment of Mania, With or Without Mixed Features, in Participants With Bipolar-I Disorder Taking Lithium, Valproate, or Lamotrigine

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT01115569, the US trial registry maintained by the National Library of Medicine. NCT01115569 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.