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Showing 1–24 of 69 matching trials from the live ClinicalTrials.gov search.
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Filters: Sponsor: Purdue Pharma LP Clear all
Completed Phase 3 Interventional Results available

Efficacy and Safety of Hydrocodone Bitartrate (HYD) in Subjects With Moderate to Severe Chronic Low Back Pain

NCT01452529
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Dose Conversion From Vicodin® to Buprenorphine Transdermal System (Butrans™) in Subjects With OA Pain

NCT00312572
View directory record Official record
Conditions
Osteoarthritis
Interventions
Buprenorphine transdermal patch
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
40 Years to 85 Years
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
36
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 32 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2012 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Pharmacokinetic Drug-Drug Interactions of Lemborexant When Coadministered With an Oral Contraceptive, Famotidine, or Fluconazole in Healthy Subjects

NCT03451110
View directory record Official record
Conditions
Healthy Subjects
Interventions
lemborexant, Loestrin, famotidine, fluconazole
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 5, 2018 · Synced Sep 1, 2026, 6:32 PM EDT
Terminated Phase 3 Interventional Results available

Buprenorphine Transdermal Patches (BTDS) in Subjects With Osteoarthritis Pain. Includes a 52-week Extension Phase.

NCT00320801
View directory record Official record
Conditions
Osteoarthritis
Interventions
Buprenorphine transdermal patch
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
40 Years and older
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
66
States / cities
Birmingham, Alabama • Huntsville, Alabama • Montgomery, Alabama + 55 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2012 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 3 Interventional Results available

Safety of BTDS in Subjects With Osteoarthritic (OA) Pain of Hip or Knee: A 6-Month Open-label Extension Phase

NCT01141283
View directory record Official record
Conditions
Osteoarthritis
Interventions
Buprenorphine transdermal patch
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
40 Years to 75 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
42
States / cities
Mesa, Arizona • Phoenix, Arizona • Tucson, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2012 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 2 Interventional

Analgesic Efficacy and Safety of V116517 in Subjects With Moderate to Severe Chronic Pain Due to Postherpetic Neuralgia (PHN)

NCT01688947
View directory record Official record
Conditions
Postherpetic Neuralgia, Pain
Interventions
V116517 50-mg tablets, V116517 30-mg tablets, Pregabalin capsules, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
21 Years to 90 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
28
States / cities
Tucson, Arizona • La Jolla, California • North Hollywood, California + 25 more
Source: ClinicalTrials.gov public record
Updated May 11, 2014 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 4 Interventional Results available

An Open-label Study of Hydromorphone Oral Solution in Subjects Aged 28 Days to 16 Years for Postoperative Pain

NCT00465647
View directory record Official record
Conditions
Postoperative Pain
Interventions
Hydromorphone
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
28 Days to 16 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
14
States / cities
Little Rock, Arkansas • Orange, California • Stanford, California + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2015 · Synced Sep 1, 2026, 6:32 PM EDT
Terminated Phase 4 Interventional Results available

Real-World Evidence of Duration of Effect of Adhansia XR (Extended-Release) for Treatment of Attention-Deficit/Hyperactivity Disorder (ADHD)

NCT04507204
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
Adhansia XR, Concerta
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
12 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
35
States / cities
Dothan, Alabama • Beverly Hills, California • Cromwell, Connecticut + 31 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Respiratory Safety of Lemborexant in Adult and Elderly Healthy Subjects and Adult and Elderly Subjects With Mild Obstructive Sleep Apnea

NCT03471871
View directory record Official record
Conditions
Obstructive Sleep Apnea, Healthy Subjects
Interventions
Placebo, Lemborexant 10 mg, Lemborexant 25 mg
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
11
States / cities
Glendale, Arizona • Phoenix, Arizona • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2020 · Synced Sep 1, 2026, 6:32 PM EDT
Terminated Phase 4 Interventional Results available

Safety and Tolerability Study of Adhansia XR® Extended-Release Capsules in Children

NCT04987762
View directory record Official record
Conditions
Attention Deficit/Hyperactivity Disorder
Interventions
Adhansia XR
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
4 Years to 12 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
15
States / cities
Little Rock, Arkansas • Colorado Springs, Colorado • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Sep 1, 2026, 6:32 PM EDT
Terminated Phase 3 Interventional Results available

Safety of Buprenorphine Transdermal Patch (BTDS) in Osteoarthritis Pain: a 52-Week Extension Phase

NCT01135524
View directory record Official record
Conditions
Osteoarthritis
Interventions
Buprenorphine transdermal patch
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
40 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
89
States / cities
Alabaster, Alabama • Birmingham, Alabama • Fairfield, Alabama + 75 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2012 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alpha as a Predictive Biomarker

NCT02796625
View directory record Official record
Conditions
Pain
Interventions
Painful Stimuli
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
21 Years to 44 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 10, 2021 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Determine the Fed Bioequivalence of Reformulated OXY Tablets and Original OxyContin® (OXY) Tablets

NCT01099709
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Reformulated OXY (oxycodone HCl), Original OxyContin® (OXY) (oxycodone HCl)
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 50 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated May 5, 2010 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Examine Plasma Concentrations of Buprenorphine Following Reapplication of Buprenorphine Transdermal System (BTDS) After Variable Application Site Rest Periods

NCT01259102
View directory record Official record
Conditions
Healthy
Interventions
Buprenorphine transdermal patch
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 45 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2001
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 2, 2012 · Synced Sep 1, 2026, 6:32 PM EDT
Terminated Phase 3 Interventional Results available

Safety of BTDS in Subjects With Low Back Pain: A 52-Week Extension Phase of BUP3015

NCT01125917
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 2, 2012 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 3 Interventional

Long-Term Safety of PRC-063 in Adolescents and Adults With ADHD

NCT02168127
View directory record Official record
Conditions
ADHD
Interventions
Drug: PRC-063, PRC-063
Drug
Lead sponsor
Rhodes Pharmaceuticals, L.P.
Industry
Eligibility
12 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
30
States / cities
Los Angeles, California • National City, California • Newport Beach, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2015 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Oxycodone/Naloxone Controlled-release Tablets (OXN) Compared to Placebo in Opioid-experienced Subjects With Moderate to Severe Chronic Low Back Pain

NCT01358526
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 3 Interventional

Analgesic Efficacy and Management of Opioid-induced Constipation (OIC) for Uncontrolled Moderate - Severe Low Back Pain

NCT01427270
View directory record Official record
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
455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
170
States / cities
Alabaster, Alabama • Birmingham, Alabama • Gulf Shores, Alabama + 137 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2014 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 3 Interventional

PRC-063 in an ADULT Workplace Environment

NCT02225639
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD)
Interventions
PRC-063 25 mg, Placebo, PRC-063 35 mg, PRC-063 45 mg, PRC-063 55 mg, PRC-063 70 mg, PRC-063 85 mg, PRC-063 100 mg
Drug
Lead sponsor
Rhodes Pharmaceuticals, L.P.
Industry
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Newport Beach, California • Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 8, 2015 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Buprenorphine Transdermal System (BTDS) in Subjects With Chronic Nonmalignant Pain

NCT00312195
View directory record Official record
Conditions
Chronic Non-malignant Pain
Interventions
Buprenorphine transdermal patch, Placebo to match BTDS
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001
U.S. locations
21
States / cities
Phoenix, Arizona • Trumbull, Connecticut • Clearwater, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2012 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 3 Interventional Results available

The Safety and Efficacy of the Buprenorphine Transdermal System (BTDS) in Subjects With Chronic Back Pain.

NCT00315445
View directory record Official record
Conditions
Back Pain
Interventions
Buprenorphine transdermal patch, Placebo oxycodone/acetaminophen tablets, OXY/APAP, Placebo transdermal patch (TDS)
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 1998
U.S. locations
12
States / cities
Huntsville, Alabama • Phoenix, Arizona • Gainesville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2012 · Synced Sep 1, 2026, 6:32 PM EDT
Terminated Phase 2 Interventional

A Study to Evaluate the Analgesic Efficacy and Safety of VM902A in Subjects With Osteoarthritis (OA) of the Knee

NCT02847702
View directory record Official record
Conditions
Osteoarthritis Pain of the Knee
Interventions
VM902A 200-mg Capsules, VM902A 400-mg Capsules, Naproxen 500-mg Capsules, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
40 Years to 75 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
31
States / cities
Birmingham, Alabama • Huntsville, Alabama • DeLand, Florida + 28 more
Source: ClinicalTrials.gov public record
Updated Nov 21, 2017 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 3 Interventional

The Safety and Efficacy of the Buprenorphine Transdermal Delivery System in Subjects With Osteoarthritis Pain.

NCT00315848
View directory record Official record
Conditions
Osteoarthritis
Interventions
Buprenorphine transdermal delivery system
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 1999
U.S. locations
10
States / cities
Huntsville, Alabama • Phoenix, Arizona • Westminster, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated May 2, 2006 · Synced Sep 1, 2026, 6:32 PM EDT
Completed Phase 3 Interventional Results available

Safety, Pharmacokinetics (PK), and Efficacy of Buprenorphine Transdermal System (BTDS) in Children

NCT01324570
View directory record Official record
Conditions
Pain
Interventions
Buprenorphine transdermal system
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
7 Years to 16 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
22
States / cities
Long Beach, California • Los Angeles, California • Aurora, Colorado + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2017 · Synced Sep 1, 2026, 6:32 PM EDT