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ClinicalTrials.gov public records Last synced Oct 5, 2026, 2:09 PM EDT

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Showing 1–24 of 28 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Grünenthal GmbH Clear all
Completed Phase 3 Interventional Results available

A Study to Look at Tapentadol Oral Solution in Children and Adolescents in Pain

NCT02081391
View directory record Official record
Conditions
Acute Pain
Interventions
Tapentadol oral solution 4 mg/mL, Tapentadol oral solution 20 mg/mL, Placebo
Drug · Other
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
1 Day to 18 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
13
States / cities
Little Rock, Arkansas • Stanford, California • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 2 Interventional Results available

Intravenous Tapentadol in Post-Bunionectomy Pain

NCT01435577
View directory record Official record
Conditions
Bunion, Pain
Interventions
Tapentadol, Matching Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 65 Years
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 28, 2019 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 2 Interventional

Pharmacokinetics and Safety Study of Tapentadol for Postsurgical Pain in Children and Adolescents

NCT01134536
View directory record Official record
Conditions
Pain, Postoperative, Postoperative Pain
Interventions
Tapentadol (OS) Oral Solution
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
6 Years to 17 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
10
States / cities
Little Rock, Arkansas • Washington D.C., District of Columbia • Meridian, Idaho + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2014 · Synced Oct 5, 2026, 2:09 PM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety of Intravenous Neridronic Acid in CRPS

NCT03530345
View directory record Official record
Conditions
Complex Regional Pain Syndrome (CRPS)
Interventions
Neridronic acid 100 mg, Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
39
States / cities
Huntsville, Alabama • Mobile, Alabama • Peoria, Arizona + 35 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 3 Interventional Results available

An Open-label Extension Study With Flexible Dosing of Extended-release (ER) Tapentadol (CG5503) to Treat Patients With Moderate to Severe Chronic Pain

NCT00487435
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 2Phase 3 Interventional

Efficacy and Safety of Intravenous Neridronic Acid in CRPS-I

NCT02402530
View directory record Official record
Conditions
Complex Regional Pain Syndrome, Type I
Interventions
Placebo, Neridronic acid 62.5 mg
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 80 Years
Enrollment
459 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
49
States / cities
Foley, Alabama • Scottsdale, Arizona • Tucson, Arizona + 42 more
Source: ClinicalTrials.gov public record
Updated May 9, 2018 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Effectiveness and Safety of Tapentadol (CG5503) in the Treatment of Acute Pain From Bunionectomy.

NCT00613938
View directory record Official record
Conditions
Arthralgia, Bunion, Hallux Valgus, Pain
Interventions
Tapentadol (CG5503), oxycodone, placebo
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 80 Years
Enrollment
901 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
7
States / cities
Glendale, California • Pasadena, Maryland • Austin, Texas + 4 more
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 4 Interventional

Training "Pain Connoisseurs" for Efficient Analgesic Proof-of-Concept Studies

NCT02842554
View directory record Official record
Conditions
Painful Diabetic Neuropathy (PDN)
Interventions
EPT, Drug Placebo Administration, C
Other · Drug
Lead sponsor
Analgesic Solutions
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 25, 2016 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 3 Interventional Results available

Tapentadol IR vs Oxycodone IR vs Placebo in Acute Pain From Vertebral Compression Fracture Associated With Osteoporosis

NCT00771758
View directory record Official record
Conditions
Back Pain
Interventions
oxycodone IR, placebo, tapentadol IR
Drug
Lead sponsor
Ortho-McNeil Janssen Scientific Affairs, LLC
Industry
Eligibility
50 Years to 85 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
37
States / cities
Haleyville, Alabama • Tallassee, Alabama • Peoria, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Oct 5, 2026, 2:09 PM EDT
Terminated Phase 2 Interventional Results available

A Trial in Painful Diabetic Peripheral Neuropathy With GRT3983Y

NCT01056315
View directory record Official record
Conditions
Painful Diabetic Neuropathy
Interventions
GRT3938Y, Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
553 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
61
States / cities
Fairhope, Alabama • Homewood, Alabama • Tucson, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2019 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 3 Interventional Results available

NUCYNTA (Tapentadol Immediate Release) Versus Oxycodone Immediate Release in the Treatment of Acute Low Back Pain

NCT00986180
View directory record Official record
Conditions
Pain, Back Pain, Low Back Pain, Back Pain With Radiation
Interventions
NUCYNTA, Oxycodone IR
Drug
Lead sponsor
Ortho-McNeil Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years and older
Enrollment
667 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
74
States / cities
Mobile, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 71 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2012 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 2 Interventional

Efficacy and Safety of GRT9906 Tablets Compared to Placebo in Patients With Fibromyalgia

NCT03783910
View directory record Official record
Conditions
Primary Fibromyalgia
Interventions
GRT9906, Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 75 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
6
States / cities
DeLand, Florida • Charlotte, North Carolina • Medford, Oregon + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2018 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 3 Interventional Results available

Comparison of a Single RTX-GRT7039 and Placebo Intra-articular Injection for Pain Associated With Osteoarthritis of the Knee

NCT05449132
View directory record Official record
Conditions
Osteoarthritis
Interventions
RTX-GRT7039, Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
466 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
56
States / cities
Birmingham, Alabama • Glendale, Arizona • Phoenix, Arizona + 42 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Safety, and Tolerability of Tapentadol ER Compared With Placebo in Patients With Chronic, Painful Diabetic Peripheral Neuropathy

NCT01041859
View directory record Official record
Conditions
Diabetic Peripheral Neuropathy
Interventions
Tapentadol extended release (ER), Placebo
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
460 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
60
States / cities
Mobile, Alabama • Chandler, Arizona • Mesa, Arizona + 57 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2013 · Synced Oct 5, 2026, 2:09 PM EDT
Terminated Phase 3 Interventional Results available

A Long-term Safety Study With Tapentadol ER and Oxycodone CR in Patients With Moderate to Severe Pain Due to Chronic, Painful Diabetic Peripheral Neuropathy (DPN)

NCT01063868
View directory record Official record
Conditions
Diabetic Neuropathy, Painful, Diabetic Polyneuropathy
Interventions
Tapentadol extended release (ER), Oxycodone controlled release (CR)
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
23
States / cities
Mesa, Arizona • Tucson, Arizona • Fruitland Park, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2014 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 2 Interventional Results available

Pharmacokinetic, Efficacy and Safety Study of Tapentadol Oral Solution in Children With Postoperative Pain

NCT01729728
View directory record Official record
Conditions
Postoperative Pain, Acute Pain
Interventions
Tapentadol
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
2 Years to 17 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Oct 5, 2026, 2:09 PM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety of Intravenous Neridronic Acid in Complex Regional Pain Syndrome (CRPS)

NCT03560986
View directory record Official record
Conditions
Complex Regional Pain Syndrome (CRPS)
Interventions
Neridronic acid 100 mg, Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
41
States / cities
Cottonwood, Arizona • Tempe, Arizona • Tucson, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2020 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 3 Interventional Results available

A Trial to Evaluate CG5503 Efficacy and Safety in Acute Pain After Bunionectomy

NCT00609466
View directory record Official record
Conditions
Bunionectomy, Pain, Postoperative Pain, Acute Pain
Interventions
CG5503 IR, Morphine, Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 80 Years
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
6
States / cities
Pasadena, Maryland • Austin, Texas • Houston, Texas + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2011 · Synced Oct 5, 2026, 2:09 PM EDT
Terminated Phase 2 Interventional Results available

Use of Tapentadol Oral Solution for Pain After Surgery in Children From Newborn to Less Than 2 Years Old

NCT02221674
View directory record Official record
Conditions
Moderate to Severe Acute Postoperative Pain
Interventions
Tapentadol
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
1 Day to 23 Months
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
4
States / cities
Palo Alto, California • Louisville, Kentucky • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 2 Interventional

Efficacy and Safety of EN3324 (Axomadol) in Subjects With Chronic Low Back Pain

NCT01043263
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
EN3324 (axomadol), Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
59
States / cities
Phoenix, Arizona • Tucson, Arizona • Tuscon, Arizona + 43 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2015 · Synced Oct 5, 2026, 2:09 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

A Comparison of Plasma Concentrations of Hydrocodone and Acetaminophen After Administration of Different Amounts of Tablets of a New and a Marketed Tablet Formulation in Healthy Adults

NCT03137030
View directory record Official record
Conditions
Opioid-Related Disorders, Pain, Acute, Pain, Postoperative
Interventions
GRT7014 - Abuse Deterrend Tablet, Norco 5Mg-325Mg Tablet
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 5, 2026, 2:09 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Long-Term Safety of Multiple Doses of Tapentadol (CG5503) Prolonged-Release (PR) and Oxycodone Controlled-Release (CR) in Patients With Chronic Pain

NCT00361504
View directory record Official record
Conditions
Osteoarthritis, Hip, Osteoarthritis, Knee, Lower Back Pain, Pain
Interventions
Oxycodone CR, Tapentadol (CG5503) ER
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years and older
Enrollment
1,123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
40
States / cities
Mesa, Arizona • Tucson, Arizona • Anaheim, California + 37 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2014 · Synced Oct 5, 2026, 2:09 PM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Effectiveness and Safety of CG5503 (Tapentadol) in the Treatment of Chronic Tumor Related Pain Compared With Placebo and Morphine

NCT00505414
View directory record Official record
Conditions
Pain, Neoplasm, Cancer
Interventions
Tapentadol in the Titration Phase, Morphine in the Maintenance Phase, Matching Placebo in the Maintenance Phase after Tapentadol in the Titration Phase, Tapentadol in the Maintenance Phase, Morphine in the Titration Phase
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
7
States / cities
St. Petersburg, Florida • Elkhart, Indiana • Shreveport, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Oct 5, 2026, 2:09 PM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Effectiveness and Safety of Tapentadol(CG5503) in the Treatment of Acute Pain After Hip Replacement Surgery Compared With Oxycodone and Placebo Followed by a Voluntary Open-Label Extension For Safety

NCT00364533
View directory record Official record
Conditions
Arthroplasty
Interventions
Tapentadol IR (CG5503), Placebo, Oxycodone HCL IR
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 80 Years
Enrollment
367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
45
States / cities
Birmingham, Alabama • Mobile, Alabama • Sheffield, Alabama + 42 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2014 · Synced Oct 5, 2026, 2:09 PM EDT