Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 23, 2026, 10:03 PM EDT

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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Back Pain Lower Back Chronic
Interventions
Buprenorphine, Oxycodone Immediate-Release
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
85
States / cities
Birmingham, Alabama • Haleyville, Alabama • Phoenix, Arizona + 72 more
Conditions
Chronic Pain, Low Back Pain, Analgesia
Interventions
ALO-02, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
52
States / cities
Mobile, Alabama • Goodyear, Arizona • Phoenix, Arizona + 38 more
Conditions
Low Back Pain, Chronic Pain
Interventions
NKTR-181 BID tablets, Placebo to match NKTR-181 BID tablets
Drug
Lead sponsor
Nektar Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
54
States / cities
Saraland, Alabama • Phoenix, Arizona • Tempe, Arizona + 48 more
Conditions
Pain, Low Back Pain
Interventions
BEMA Buprenorphine
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Marietta, Georgia
Conditions
Chronic Lower Back Pain, Chronic Pain
Interventions
buprenorphine, Placebo
Drug · Other
Lead sponsor
Braeburn Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,053 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
69
States / cities
Birmingham, Alabama • Hamilton, Alabama • Vestavia Hills, Alabama + 54 more
Conditions
Low Back Pain
Interventions
Fasinumab, placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
35 Years and older
Enrollment
563 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
58
States / cities
Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 55 more
Conditions
Chronic Low Back Pain
Interventions
ABT-712, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
21 Years to 75 Years
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
31
States / cities
Huntsville, Alabama • Burbank, California • San Diego, California + 27 more
Conditions
Chronic Low Back Pain
Interventions
Hydrocodone bitartrate q24h film-coated tablets, Placebo to match hydrocodone bitartrate q24h tablets
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
905 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
102
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 83 more
Conditions
Back Pain Lower Back Chronic
Interventions
Buprenorphine transdermal patch
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
84
States / cities
Birmingham, Alabama • Haleyville, Alabama • Phoenix, Arizona + 71 more
Conditions
Chronic Low Back Pain
Interventions
ABT-712, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
21 Years to 75 Years
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
32
States / cities
Tempe, Arizona • Tucson, Arizona • Anaheim, California + 26 more
Conditions
Low Back Pain, Low Back Pain, Recurrent
Interventions
JNJ-42160443 3 mg, JNJ-42160443 1 mg, JNJ-42160443 6 mg/3mg, JNJ-42160443 10 mg, Matching Placebo
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 80 Years
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
41
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 38 more
Conditions
Low Back Pain
Interventions
Hydrocodone ER, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
625 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
87
States / cities
Anniston, Alabama • Birmingham, Alabama • Mobile, Alabama + 71 more
Completed Phase 3 Interventional Results available

Long-term Open-Label Safety Study to Evaluate EN3409

NCT01755546
Conditions
Low Back Pain, Osteoarthritis, Neuropathic Pain
Interventions
EN3409
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years and older
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
57
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 52 more
Conditions
Low Back Pain, Chronic Pain
Interventions
NKTR-181 BID tablets
Drug
Lead sponsor
Nektar Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
638 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
56
States / cities
Saraland, Alabama • Phoenix, Arizona • Tempe, Arizona + 50 more
Conditions
Degenerative Disc Disease
Interventions
Rexlemestrocel-L + HA mixture, Saline
Drug
Lead sponsor
Mesoblast, Ltd.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
40
States / cities
Phoenix, Arizona • Tucson, Arizona • Chula Vista, California + 37 more
Conditions
Pain, Low Back Pain, Osteoarthritis, Neuropathic Pain
Interventions
BEMA Buprenorphine
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
26
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 23 more
Conditions
Chronic Pain
Interventions
Hydrocodone ER, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
391 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
73
States / cities
Mobile, Alabama • Chandler, Arizona • Scottsdale, Arizona + 63 more
Conditions
Lower Back Pain
Interventions
CNTX-3001, Placebo
Drug
Lead sponsor
Centrexion Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Napa, California
Conditions
Pain, Low Back Pain
Interventions
Buprenorphine, Placebo
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years and older
Enrollment
334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
24
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 21 more
Conditions
Pain, Chronic Back Pain, Chronic Low Back Pain, Osteoarthritis Pain In The Hip or Knee
Interventions
Nucynta ER
Drug
Lead sponsor
Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years to 74 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
7
States / cities
Jacksonville, Florida • Prairie Village, Kansas • Mandeville, Louisiana + 4 more
Conditions
Low Back Pain
Interventions
Buprenorphine transdermal system, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
539 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
86
States / cities
Anniston, Alabama • Mobile, Alabama • Chandler, Arizona + 71 more
Conditions
Low Back Pain
Interventions
Oxycodone/Naloxone controlled-release, Oxycodone HCl controlled-release, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
149
States / cities
Alabaster, Alabama • Birmingham, Alabama • Foley, Alabama + 114 more
Conditions
Low Back Pain
Interventions
Oxycodone/Naloxone Controlled-release, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
1,095 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
151
States / cities
Birmingham, Alabama • Haleyville, Alabama • Huntsville, Alabama + 123 more
Conditions
Moderate-to-severe Chronic Low Back Pain
Interventions
Oxycodone extended-release, Placebo of oxycodone extended-release
Drug
Lead sponsor
Egalet Ltd
Industry
Eligibility
18 Years to 75 Years
Enrollment
549 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
74
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 65 more