Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 23, 2026, 3:33 AM EDT

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Showing 1–9 of 9 matching trials from the live ClinicalTrials.gov search.
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Conditions
Moderate to Severe Chronic, Non-malignant Pain
Interventions
Hydrocodone/Acetaminophen on Extended Release
Drug
Lead sponsor
Abbott
Industry
Eligibility
21 Years to 75 Years
Enrollment
431 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
76
States / cities
Huntsville, Alabama • Chandler, Arizona • Mesa, Arizona + 60 more
Conditions
Chronic Nonmalignant and Nonneuropathic Pain
Interventions
Hydrocodone bitartrate q24h film-coated tablets
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
922 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
98
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 81 more
Conditions
Pain
Interventions
Matrix Transdermal Fentanyl/CHADD Drug Delivery System, Placebo Patch
Drug
Lead sponsor
ZARS Pharma Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
15
States / cities
Phoenix, Arizona • Jacksonville, Florida • Marietta, Georgia + 12 more
Conditions
Pain
Interventions
ALO-01 (Morphine Sulfate Plus Naltrexone Hydrochloride ER)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
467 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
58
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tempe, Arizona + 48 more
Conditions
Pain
Interventions
Fentanyl Transdermal Matrix Patch ZR-02-01
Drug
Lead sponsor
ZARS Pharma Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
6
States / cities
Phoenix, Arizona • Loma Linda, California • Marietta, Georgia + 3 more
Conditions
Chronic Pain
Interventions
tramadol ER
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2003
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Pain, Osteoarthritis, Low Back Pain
Interventions
Tapentadol (CG5503) Extended Release (ER)
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
1,166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
118
States / cities
Birmingham, Alabama • Hoover, Alabama • Mobile, Alabama + 115 more
Conditions
Chronic, Non Malignant Pain
Interventions
EN3270
Drug
Lead sponsor
Durect
Industry
Eligibility
18 Years to 65 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Berlin, New Jersey
Conditions
Cancer
Interventions
Fentanyl sublingual spray, Placebo
Drug
Lead sponsor
INSYS Therapeutics Inc
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Chandler, Arizona