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Completed Phase 3 Interventional Results available

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

ClinicalTrials.gov ID: NCT01115569

Public ClinicalTrials.gov record NCT01115569. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 11, 2026, 6:19 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Long-Term Open-Label Safety Study of Hydrocodone Bitartrate Controlled-Release Capsules With Flexible Dosing to Treat Subjects With Moderate to Severe Chronic Pain

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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.

Study identification

NCT ID
NCT01115569
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Zogenix, Inc.
Industry
Enrollment
424 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 30, 2010
Primary completion
Dec 31, 2011
Completion
Dec 31, 2011
Last update posted
Nov 8, 2022

2010 – 2012

United States locations

U.S. sites
50
U.S. states
26
U.S. cities
47
Facility City State ZIP Site status
Arizona Research Center Phoenix Arizona 85023
HOPE Research Institute, LLC Phoenix Arizona 85050
Cochise Clinical Research Sierra Vista Arizona 85635
Ortho Research Little Rock Arkansas 72205
Pain Institute of California Bakersfield California 93311
Providence Clinical Research Burbank California 91505
South Orange County Surgical Medical Group Laguna Hills California 92653
Scripps Clinic, Clinical Research San Diego California 92128
Mountain View Clinical Research, Inc. Golden Colorado 80401
Stamford Therapeutics Consortium Stamford Connecticut 06905
Florida Institute of Medical Research Jacksonville Florida 32257
Gold Coast Research, LLC Plantation Florida 33317
Advanced Research Institute, Inc. Trinity Florida 34655
National Pain Research Institute, Inc. Winter Park Florida 32789
Best Clinical Research Decatur Georgia 30034
Georgia Institute for Clinical Research, LLC Marietta Georgia 30060
Better Health Clinical Research, Inc Newnan Georgia 30265
Nautical Clinical Research, LLC Boise Idaho 83702
Suburban Clinical Research Bolingbrook Illinois 60490
International Clinical Research Institute, Inc. Leawood Kansas 66211
Clinical Trials Technology, Inc. Prairie Village Kansas 66206
Clinical Trials Managements, LLC Mandeville Louisiana 70471
Willis-Knighton Physician Network Shreveport Louisiana 71101
New England Center for Clinical Research, Internal Medicine and Cardiology Associates, LLC Fall River Massachusetts 02720
Infinity Medical Research, Inc. North Dartmouth Massachusetts 02747
Mid-South Anesthesia Consultants Southaven Mississippi 38671
Clinvest Springfield Missouri 65807
Mercy Health Research St Louis Missouri 63141
Research West, LLC Kalispell Montana 59901
Lovelace Scientific Resources, Inc. Albuquerque New Mexico 87108
Long Island Gastrointestinal Research Group Great Neck New York 11023
New York University Pain Management Center New York New York 10016
The Center for Clinical Research, LLC Winston-Salem North Carolina 27103
Valley Medical Group, PC Centerville Ohio 45459
Prestige Clinical Research Franklin Ohio 45005
Hometown Urgent Care and Research Springfield Ohio 45504
Hillcrest Clinical Research, Inc. Oklahoma City Oklahoma 73119
Memorial Clinical Research DBA Angelique Barreto, MD Oklahoma City Oklahoma 73134
Blair Medical Associates Altoona Pennsylvania 16602
CRI Worldwide, LLC Philadelphia Pennsylvania 19139
New England Center for Clinical Research, Inc. Cranston Rhode Island 02920
Renaissance Clinical Research and Hypertension Clinic Dallas Texas 75235
The Clinical Research Center, LLC Fort Worth Texas 76104
Heights Doctors Clinic Houston Texas 77008
Clinical Trial Network Houston Texas 77074
Quality Research, Inc. San Antonio Texas 78209
West Side Medical Clinton Utah 84015
Jean Brown Research Salt Lake City Utah 84124
Advanced Pain Management Virginia Beach Virginia 23454
Northwest Clinical Research Center Bellevue Washington 98007

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01115569, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 8, 2022 · Synced Sep 11, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01115569 live on ClinicalTrials.gov.

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