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ClinicalTrials.gov public records Last synced Oct 19, 2026, 6:04 PM EDT

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Showing 1–24 of 3,314 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo, 2 tablets Clear all
Completed Phase 3 Interventional

Efficacy Study of Rezular (Arverapamil) in the Treatment of Irritable Bowel Syndrome With Diarrhea (IBS-D)

NCT00552565
View directory record Official record
Conditions
Irritable Bowel Syndrome With Diarrhea
Interventions
Rezular 15mg, Placebo, Rezular
Drug
Lead sponsor
AGI Therapeutics, Inc.
Other
Eligibility
18 Years to 70 Years
Enrollment
711 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 11, 2009 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 1 Interventional Results available

Melatonin Use After Primary Total Joint Arthroplasty

NCT04795336
View directory record Official record
Conditions
Osteo Arthritis Knee
Interventions
Melatonin 5 mg, Placebo
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 95 Years
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 4, 2025 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 3 Interventional Results available

A Study of Safety and Efficacy of Pimavanserin (ACP-103) in Patients With Parkinson's Disease Psychosis

NCT00658567
View directory record Official record
Conditions
Parkinson's Disease Psychosis
Interventions
Pimavanserin tartrate (ACP-103)
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
40 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
26
States / cities
La Habra, California • Laguna Hills, California • Reseda, California + 22 more
Source: ClinicalTrials.gov public record
Updated May 19, 2017 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 2 Interventional

Short and Long Term Outcomes of Doxycycline Versus Trimethoprim-Sulfamethoxazole for Skin and Soft Tissue Infections Treatment

NCT03637400
View directory record Official record
Conditions
Methicillin-resistant Staphylococcus Aureus, Skin Infection
Interventions
TMP-SMX, DOXY
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
9 Years to 85 Years
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
3
States / cities
Sylmar, California • Torrance, California • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 3 Interventional Results available

Ranolazine When Added to Glimepiride in Subjects With Type 2 Diabetes Mellitus

NCT01494987
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Ranolazine, Placebo, Glimepiride, Diet, Exercise
Drug · Behavioral
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
431 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
46
States / cities
Mesa, Arizona • Tucson, Arizona • Pine Bluff, Arkansas + 39 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2014 · Synced Oct 19, 2026, 6:04 PM EDT
Terminated Phase 2 Interventional Results available

Evaluate Safety and Efficacy of the Coadministration of Ibrexafungerp With Voriconazole in Patients With Invasive Pulmonary Aspergillosis

NCT03672292
View directory record Official record
Conditions
Invasive Pulmonary Aspergillosis
Interventions
SCY-078, Voriconazole, Oral Placebo Tablets
Drug · Other
Lead sponsor
Scynexis, Inc.
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
3
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AG-946 in Healthy Volunteers and in Participants With Sickle Cell Disease

NCT04536792
View directory record Official record
Conditions
Healthy Volunteers, Anemia, Sickle Cell
Interventions
AG-946, AG-946 Matched Placebo
Drug
Lead sponsor
Agios Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
8
States / cities
La Jolla, California • Boston, Massachusetts • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Oct 19, 2026, 6:04 PM EDT
Terminated Phase 2 Interventional Results available

Study of Ivacaftor in Cystic Fibrosis Subjects Aged 12 Years and Older Homozygous for the F508del-CFTR Mutation

NCT00953706
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ivacaftor, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
34
States / cities
Birmingham, Alabama • Anchorage, Alaska • Oakland, California + 30 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2015 · Synced Oct 19, 2026, 6:04 PM EDT
Terminated Phase 1 Interventional Results available

Melatonin Postoperative Sleep Study in Breast Cancer Patients

NCT00506064
View directory record Official record
Conditions
Breast Cancer
Interventions
Melatonin, Placebo, Questionnaire
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
40 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 5, 2012 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Direct Renin Inhibition and the Kidney

NCT01217736
View directory record Official record
Conditions
Renal Function
Interventions
aliskiren, placebo, VTP-27999
Drug
Lead sponsor
Vitae Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 29, 2016 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 2 Interventional Results available

A Study to Assess Immune Response Following Zoster Vaccination to Subjects With Rheumatoid Arthritis Receiving Tofacitinib or Placebo With Background Methotrexate

NCT02147587
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Tofacitinib, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
36
States / cities
Jonesboro, Arkansas • Los Angeles, California • Santa Maria, California + 26 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2018 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Linagliptin in Combination With Insulin in Patients With Type 2 Diabetes

NCT00954447
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Placebo, Linagliptin
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
1,263 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
47
States / cities
Escondido, California • Fresno, California • Greenbrae, California + 42 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2013 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Melatonin on Cardiovascular and Thermoregulatory Responses to Stress

NCT07138443
View directory record Official record
Conditions
Stress, Mental Stress
Interventions
Melatonin 3 MG Oral Tablet, Placebo Oral Tablet
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 2 Interventional Results available

A Study of JNJ-77242113 in Participants With Moderate-to-severe Plaque Psoriasis

NCT05223868
View directory record Official record
Conditions
Plaque Psoriasis
Interventions
JNJ-77242113, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
21
States / cities
Phoenix, Arizona • Sacramento, California • Ocala, Florida + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2026 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 2 Interventional Results available

Phase 2, Randomized, Double-Blind, Placebo-Controlled of the Efficacy and Safety of CF102 in Hepatocellular Carcinoma (HCC)

NCT02128958
View directory record Official record
Conditions
Hepatocellular Carcinoma
Interventions
CF102, Placebo
Drug
Lead sponsor
Can-Fite BioPharma
Industry
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
2
States / cities
Aurora, Colorado • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 4, 2022 · Synced Oct 19, 2026, 6:04 PM EDT
Not listed Phase 4 Interventional

An Outpatient Clinical Trial Using Ivermectin and Doxycycline in COVID-19 Positive Patients at High Risk to Prevent COVID-19 Related Hospitalization

NCT04729140
View directory record Official record
Conditions
Covid19
Interventions
Ivermectin Tablets, Doxycycline Tablets, Placebo
Drug
Lead sponsor
Max Health, Subsero Health
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Sarasota, Florida
Source: ClinicalTrials.gov public record
Updated Apr 1, 2021 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 2 Interventional Results available

Naproxen Sodium/Acetaminophen Proof of Concept Dosing Study

NCT03879408
View directory record Official record
Conditions
Pain
Interventions
440 mg naproxen sodium with 1000 mg acetaminophen, 220 mg naproxen sodium with 650 mg acetaminophen, 10 mg hydrocodone + 650 mg acetaminophen, 440 mg naproxen sodium, Placebo tablet
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Oct 19, 2026, 6:04 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Effects of Dual Cyclooxygenase-2 and Carbonic Anhydrase Inhibition

NCT00780325
View directory record Official record
Conditions
Healthy Volunteers
Interventions
CG100649 (2 mg), Celecoxib, Placebo capsules, Naproxen, Acetazolamide, CG100649 (8 mg)
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 60 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 6, 2014 · Synced Oct 19, 2026, 6:04 PM EDT
Active, not recruiting Phase 3 Interventional

Study of Selinexor in Combination With Ruxolitinib in Myelofibrosis

NCT04562389
View directory record Official record
Conditions
Myelofibrosis
Interventions
Selinexor, Placebo, Ruxolitinib
Drug · Other
Lead sponsor
Karyopharm Therapeutics Inc
Industry
Eligibility
18 Years and older
Enrollment
353 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
36
States / cities
Birmingham, Alabama • Beverly Hills, California • Duarte, California + 31 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 3 Interventional Results available

Irbesartan in Heart Failure With Preserved Systolic Function (I-Preserve)

NCT00095238
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Irbesartan, Placebo
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
60 Years and older
Enrollment
4,128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
60
States / cities
Birmingham, Alabama • Peoria, Arizona • Tucson, Arizona + 57 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 3 Interventional Results available

Ranolazine for Incomplete Vessel Revascularization Post-Percutaneous Coronary Intervention (PCI)

NCT01442038
View directory record Official record
Conditions
Coronary Artery Disease, Angina Pectoris
Interventions
Ranolazine, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
2,651 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
86
States / cities
Birmingham, Alabama • Huntsville, Alabama • Scottsdale, Arizona + 74 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2016 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 3 Interventional Results available

A Study of the Efficacy and Safety of Ulipristal Acetate Intermittent Treatment for Abnormal Uterine Bleeding Associated With Leiomyomas

NCT02147158
View directory record Official record
Conditions
Leiomyoma, Uterine Hemorrhage
Interventions
Ulipristal acetate (UPA), Placebo
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
432 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
61
States / cities
Mesa, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Use of an Herbal Preparation to Prevent and Dissolve Kidney Stones

NCT00381849
View directory record Official record
Conditions
Cystinuria, Nephrolithiasis, Calcium Oxalate
Interventions
Cystone, Sugar Pill (Placebo)
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Oct 19, 2026, 6:04 PM EDT
Completed Phase 2 Interventional

A Safety and Efficacy Study in Subjects With Diabetic Neuropathic Pain

NCT00548925
View directory record Official record
Conditions
Diabetic Neuropathic Pain
Interventions
ABT-894, placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 75 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
12
States / cities
Spring Valley, California • Walnut Creek, California • Hollywood, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2013 · Synced Oct 19, 2026, 6:04 PM EDT