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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional

Gabapentin, Methadone Hydrochloride, and Oxycodone Hydrochloride in Improving Quality of Life in Patients With Stage II-IV Head and Neck Cancer During Chemoradiation

NCT02531906
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma, Pain, Stomatitis
Interventions
Gabapentin, Methadone Hydrochloride, Oxycodone Hydrochloride, Quality-of-Life Assessment, Questionnaire Administration
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2022 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 4 Interventional Results available

A Comparison of Proprietary Formulations of Oral Ketamine + Aspirin and Oral Ketamine Alone for Musculoskeletal Pain

NCT04860804
View directory record Official record
Conditions
Pain
Interventions
Aspirin and Ketamine, Oral Ketamine
Drug
Lead sponsor
Antonios Likourezos
Other
Eligibility
18 Years to 120 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Jul 23, 2026, 9:03 PM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety of Cannabidiol Oral Solution (GWP42003-P, CBD-OS) in Patients With Rett Syndrome

NCT03848832
View directory record Official record
Conditions
Rett Syndrome, RTT
Interventions
GWP42003-P, Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
2 Years to 18 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
14
States / cities
Birmingham, Alabama • San Diego, California • Aurora, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2022 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Omnitram Pharmacokinetic and Analgesic Study Following CY2D6 Inhibition With Paroxetine In Healthy Volunteers

NCT03312777
View directory record Official record
Conditions
Pain
Interventions
Omnitram, Tramadol, Placebo
Drug
Lead sponsor
Syntrix Biosystems, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 27, 2017 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 2 Interventional Results available

Study of Oral SKI-O-703, SYK Inhibitor, in Patients With Persistent and Chronic Immune Thrombocytopenia (ITP)

NCT04056195
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
SKI-O-703, Placebo oral tablet
Drug
Lead sponsor
Oscotec Inc.
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
4
States / cities
Los Angeles, California • Durham, North Carolina • Greenville, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 4 Interventional Results available

Efficacy of Oral vs. Intravenous Acetaminophen

NCT02643394
View directory record Official record
Conditions
Postoperative Pain
Interventions
Oral Acetaminophen, Intravenous acetaminophen
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 20, 2020 · Synced Jul 23, 2026, 9:03 PM EDT
Not yet recruiting Not applicable Interventional

Speech Intervention Via Telepractice for Children With Repaired Cleft Palate

NCT07434375
View directory record Official record
Conditions
Cleft Palate Children, Speech Sound Disorder
Interventions
Speech therapy via teleprace, Face-to-face speech therapy
Behavioral
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
5 Years to 11 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Jul 23, 2026, 9:03 PM EDT
Terminated Phase 2 Interventional Results available

AZD2066 Neuropathic Pain - Mechanical Hypersensitivity

NCT00939094
View directory record Official record
Conditions
Neuropathic Pain, Mechanical Hypersensitivity
Interventions
AZD2066, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 80 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
38
States / cities
Tucson, Arizona • Los Angeles, California • Sacramento, California + 35 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2012 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 3 Interventional

A Safety and Efficacy Study of Oral Dimebon in Patients With Mild-To-Moderate Alzheimer's Disease

NCT00675623
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Dimebon, Placebo
Drug
Lead sponsor
Medivation, Inc.
Industry
Eligibility
50 Years and older
Enrollment
598 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
28
States / cities
Phoenix, Arizona • Costa Mesa, California • Fresno, California + 25 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2016 · Synced Jul 23, 2026, 9:03 PM EDT
Terminated Phase 2 Interventional

Diabetic Gastroparesis Efficacy/Safety Study of TZP-102

NCT01664637
View directory record Official record
Conditions
Diabetic Gastroparesis
Interventions
10 mg TZP-102, Placebo
Drug
Lead sponsor
Tranzyme, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
23
States / cities
Huntsville, Alabama • Tucson, Arizona • North Little Rock, Arkansas + 19 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2012 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 3 Interventional Results available

Fentanyl Sublingual Spray in Treating Opioid-tolerant Cancer Patients With or Without Oral Mucositis

NCT00956254
View directory record Official record
Conditions
Mucositis, Pain, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
Fentanyl sublingual spray
Drug
Lead sponsor
INSYS Therapeutics Inc
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 4, 2013 · Synced Jul 23, 2026, 9:03 PM EDT
Terminated Phase 2 Interventional Results available

Safety and Efficacy Study to Evaluate Proellex in the Treatment of Premenopausal Women With Symptomatic Endometriosis

NCT00556075
View directory record Official record
Conditions
Endometriosis
Interventions
Proellex 25 mg, Placebo, Proellex 50 mg
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 48 Years · Female only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
17
States / cities
Tucson, Arizona • Little Rock, Arkansas • San Diego, California + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2014 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 3 Interventional Results available

A One-Year Study To Evaluate The Effects And Safety Of CP-690,550 In Patients With Moderate To Severe Chronic Plaque Psoriasis

NCT01276639
View directory record Official record
Conditions
Psoriasis
Interventions
CP-690,550, Placebo/CP-690,550
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
901 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
32
States / cities
Birmingham, Alabama • Irvine, California • San Diego, California + 25 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2014 · Synced Jul 23, 2026, 9:03 PM EDT
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 17, 2020 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Not applicable Interventional Results available

Glutathione and Health With Post-Polio Syndrome

NCT01402570
View directory record Official record
Conditions
Post-polio Syndrome, Physical Activity, Depression, Pain, Sleep Disorders
Interventions
Glutathione
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
50 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 16, 2017 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 4 Interventional Results available

A Study of Oral Ergocalciferol to Treat Pruritis in Hemodialysis Patients

NCT01114672
View directory record Official record
Conditions
Pruritis
Interventions
50,000 Units Ergocalciferol, Placebo
Drug
Lead sponsor
Winthrop University Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Bethpage, New York • Mineola, New York
Source: ClinicalTrials.gov public record
Updated Feb 20, 2013 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 3 Interventional Results available

A Dental Pain Study Comparing The Analgesic Efficacy Of Ibuprofen/Caffeine

NCT02863575
View directory record Official record
Conditions
Pain
Interventions
Ibuprofen/Caffeine, Ibuprofen, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
16 Years to 40 Years
Enrollment
374 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 7, 2019 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 2 Interventional

Rofecoxib to Prevent Pain After Third Molar (Wisdom Tooth) Extraction

NCT00026819
View directory record Official record
Conditions
Pain
Interventions
Rofecoxib
Drug
Lead sponsor
National Institute of Dental and Craniofacial Research (NIDCR)
NIH
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 2 Interventional

Bradykinin Receptors and Pain

NCT00083356
View directory record Official record
Conditions
Tooth, Impacted
Interventions
Wisdom tooth extraction
Procedure
Lead sponsor
National Institute of Nursing Research (NINR)
NIH
Eligibility
Not listed
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 23, 2026, 9:03 PM EDT
Terminated Phase 3 Interventional

S9908: Glutamine in Treating Mucositis Caused by Radiation Therapy in Patients With Newly Diagnosed Cancer of the Mouth or Throat

NCT00006994
View directory record Official record
Conditions
Cancer-related Problem/Condition, Head and Neck Cancer, Pain
Interventions
glutamine, radiation therapy, l-glutamine placebo
Dietary Supplement · Radiation · Drug
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years to 90 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
106
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 68 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2015 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Astringency and Oral Health

NCT05819073
View directory record Official record
Conditions
Saliva Altered, Taste, Altered
Interventions
Plain water, CPE
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 50 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Jul 23, 2026, 9:03 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Use of Driving Tests to Evaluate Patient Performance on Oral Opioids

NCT00659035
View directory record Official record
Conditions
Chronic Pain
Interventions
Not listed
Lead sponsor
Asokumar Buvanendran
Other
Eligibility
18 Years to 80 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Jul 23, 2026, 9:03 PM EDT
Recruiting Phase 2 Interventional

Clinical Trial of Endoscopically Guided Injection of Exparel (Bupivacaine) for the Treatment of Craniofacial Pain

NCT04930887
View directory record Official record
Conditions
Craniofacial Pain, Migraine, Cluster Headache, Trigeminal Autonomic Cephalgia, Sphenopalatine Ganglion Neuralgia, Paroxysmal Hemicrania
Interventions
Exparel (Bupivacaine Liposome), Saline
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Jul 23, 2026, 9:03 PM EDT
Completed Phase 3 Interventional Results available

Comparing the Efficacy of Oral Opioids for Outpatient Acute Pain Management After ED Discharge Discharge

NCT01402375
View directory record Official record
Conditions
Analgesia After ED Discharge for Extremity Injuries
Interventions
Hydrocodone (first trial), Codeine (first trial), Oxycodone (for second trial), Codeine (for second trial), Oxycodone (third trial), Hydrocodone (third trial)
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
21 Years to 64 Years
Enrollment
720 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Jul 23, 2026, 9:03 PM EDT