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Showing 1–24 of 5,193 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo Tablet Clear all
Completed Phase 2Phase 3 Interventional Results available

Montelukast for Early Life Wheezing

NCT00115297
View directory record Official record
Conditions
Lung Diseases, Asthma
Interventions
Montelukast, Placebo
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
3 Months to 3 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2016
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Sep 1, 2026, 2:52 PM EDT
Recruiting Phase 4 Interventional

Secondhand Tobacco Smoke and Cardiovascular Disease

NCT04715568
View directory record Official record
Conditions
Cardiovascular Diseases, Hypertension
Interventions
Losartan, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Indomethacin Versus Nifedipine for Preterm Labor Tocolysis

NCT00486824
View directory record Official record
Conditions
Obstetric Labor, Premature
Interventions
Indomethacin, Nifedipine
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2018 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of 20 mg Sumatriptan Powder Delivered Intranasally With the Bi-directional Device Compared With 100 mg Sumatriptan Tablets in Adults With Acute Migraine With or Without Aura

NCT01667679
View directory record Official record
Conditions
Migraine, Headaches
Interventions
100 mg Sumatriptan Tablet and OPTINOSE Placebo delivered nasally, OPTINOSE SUMATRIPTAN delivered nasally and placebo tablet
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
13
States / cities
San Francisco, California • Santa Monica, California • Fairfied, Connecticut + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Sep 1, 2026, 2:52 PM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study Evaluating the Efficacy and Safety of Mitapivat in Participants With Transfusion-Dependent Alpha- or Beta-Thalassemia (α- or β-TDT)

NCT04770779
View directory record Official record
Conditions
Transfusion-dependent Alpha-Thalassemia, Transfusion-dependent Beta-Thalassemia
Interventions
Placebo Matching Mitapivat, Mitapivat
Drug
Lead sponsor
Agios Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
10
States / cities
Phoenix, Arizona • La Jolla, California • Oakland, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Evaluation of Safety, Tolerability, Pharmacokinetics, Drug-Drug and Food Interactions of Single and Multiple Doses of S-648414 in Healthy Adults

NCT04147715
View directory record Official record
Conditions
Healthy Volunteer
Interventions
S-648414, Placebo, Midazolam, Dolutegravir
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 55 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 1, 2026, 2:52 PM EDT
Terminated Phase 3 Interventional Results available

Study of the Use of Niaspan for Treatment of Dyslipidemia in Diabetic Nephropathy

NCT00108485
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Kidney Failure, Chronic, Hyperlipidemia
Interventions
Extended release niacin, Placebo
Drug · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 21, 2016 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 4 Interventional Results available

A Study of Suvorexant in Patients With Multiple Sclerosis Fatigue and Insomnia

NCT03110315
View directory record Official record
Conditions
Multiple Sclerosis, Fatigue, Insomnia
Interventions
Suvorexant, Placebo
Drug
Lead sponsor
Theodore R. Brown, MD MPH
Other
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Kirkland, Washington
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 4 Interventional Results available

Delaying the Progression of Driving Impairment in Individuals With Mild Alzheimer's Disease

NCT00476008
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Memantine, Placebo
Drug
Lead sponsor
Florida Atlantic University
Other
Eligibility
60 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Boca Raton, Florida
Source: ClinicalTrials.gov public record
Updated Aug 10, 2014 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Naldemedine in Treating Opioid-induced Constipation

NCT01993940
View directory record Official record
Conditions
Opioid-induced Constipation
Interventions
Naldemedine, Placebo
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years to 80 Years
Enrollment
553 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
49
States / cities
Birmingham, Alabama • Homewood, Alabama • Goodyear, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Ezetimibe Versus Placebo in the Treatment of Non-alcoholic Steatohepatitis

NCT01766713
View directory record Official record
Conditions
Non Alcoholic Steatohepatitis
Interventions
Ezetimibe
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 100 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 2 Interventional Results available

Trial of IW-1973, A Stimulator of Soluble Guanylate Cyclase (sGC) in Patients With Stable Type 2 Diabetes and Hypertension

NCT03091920
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Hypertension
Interventions
IW-1973, Placebo
Drug
Lead sponsor
Cyclerion Therapeutics
Industry
Eligibility
30 Years to 75 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Aug 30, 2020 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 2 Interventional Results available

Phase II Study of Teriflunomide as Adjunctive Therapy to Interferon-beta in Subjects With Multiple Sclerosis

NCT00489489
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Teriflunomide, Placebo (for Teriflunomide), Interferon-β
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 55 Years
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 5, 2012 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn How Different Amounts of the Study Medicine Called PF-07328948 Are Tolerated and Act in the Body in Healthy Adults

NCT05807490
View directory record Official record
Conditions
Healthy
Interventions
PF-07328948, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 18, 2024 · Synced Sep 1, 2026, 2:52 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Dose-Optimization, Adjunctive Treatment Study of Ezogabine/Retigabine Immediate Release in Partial-onset Seizures

NCT01721317
View directory record Official record
Conditions
Seizures
Interventions
Ezogabine/Retigabine IR, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
9
States / cities
Fresno, California • Santa Monica, California • Colorado Springs, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Naproxen for Pain Control With Intrauterine Device Insertion

NCT02388191
View directory record Official record
Conditions
Contraception
Interventions
Naproxen sodium, Placebo tablet
Drug · Other
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years and older · Female only
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 21, 2017 · Synced Sep 1, 2026, 2:52 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Proposal To Develop A Rapid And Cost-Effective Diagnostic Test For Schizophrenia

NCT03781115
View directory record Official record
Conditions
Schizophrenia
Interventions
Ziprasidone, Olanzapine, Placebo Comparator
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety APT-1011 in Adult Subjects With Eosinophilic Esophagitis (EoE) (FLUTE-2)

NCT04281108
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
APT-1011, Placebo oral tablet, Esophagogastroduodenoscopy
Drug · Procedure
Lead sponsor
Ellodi Pharmaceuticals, LP
Industry
Eligibility
18 Years and older
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
48
States / cities
Anniston, Alabama • Dothan, Alabama • Mobile, Alabama + 43 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2023 · Synced Sep 1, 2026, 2:52 PM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy Study of TNX-102 SL in Patients With Military-related PTSD

NCT03062540
View directory record Official record
Conditions
PTSD
Interventions
TNX-102 SL, Placebo SL Tablet
Drug
Lead sponsor
Tonix Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
44
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Rogers, Arkansas + 40 more
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 3 Interventional Results available

Efficacy, Safety, and Tolerability of Eluxadoline in the Treatment of Participants With Diarrhea-Predominant Irritable Bowel Syndrome (IBS-d)

NCT01553591
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Eluxadoline, Placebo
Drug
Lead sponsor
Furiex Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
257
States / cities
Athens, Alabama • Birmingham, Alabama • Foley, Alabama + 214 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2018 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 3 Interventional Results available

A Study of BMS-512148 (Dapagliflozin) in Patients With Type 2 Diabetes and Inadequately Controlled Hypertension on an Angiotensin-Converting Enzyme Inhibitor or Angiotensin Receptor Blocker

NCT01137474
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Dapagliflozin, Placebo-matching dapagliflozin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 89 Years
Enrollment
2,996 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
164
States / cities
Birmingham, Alabama • Mobile, Alabama • Ozark, Alabama + 124 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Sep 1, 2026, 2:52 PM EDT
Recruiting Phase 2 Interventional

A Study to Assess Adverse Events, Change in Disease Activity, and How Oral Emraclidine Moves Through the Body in Adult Participants With Schizophrenia

NCT07145918
View directory record Official record
Conditions
Schizophrenia
Interventions
Emraclidine, Placebo
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 65 Years
Enrollment
268 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
7
States / cities
Little Rock, Arkansas • Garden Grove, California • Glendale, California + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 2 Interventional Results available

A Study of Laquinimod in Participants With Systemic Lupus Erythematosus (SLE) Active Lupus Nephritis

NCT01085097
View directory record Official record
Conditions
Lupus Nephritis
Interventions
Laquinimod, Mycophenolate Mofetil, Prednisolone/Prednisone, Placebo, Methylprednisolone
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
14
States / cities
Phoenix, Arizona • La Jolla, California • Los Angeles, California + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 1, 2026, 2:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Garlic Supplements on Opioids in Healthy Volunteers

NCT00499460
View directory record Official record
Conditions
Healthy, No Evidence of Disease
Interventions
garlic powder tablets, oxycodone
Dietary Supplement · Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
21 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Sep 1, 2026, 2:52 PM EDT