Search | Clinical Trials Finder

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 5, 2026, 9:04 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 937–960 of 33,151 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Placebo Clear all

Conditions: Breast Cancer
Interventions: Letrozole, Placebo; Drug · Other
Lead sponsor: Dana-Farber Cancer Institute; Other
Eligibility: 35 Years to 120 Years · Female only
Enrollment: 49 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2002 – 2013
U.S. locations: 5
States / cities: Boston, Massachusetts • Philadelphia, Pennsylvania • Houston, Texas

Conditions: Cocaine-Related Disorders
Interventions: Pregnenolone (PREG), Placebos; Drug
Lead sponsor: Yale University; Other
Eligibility: 18 Years to 60 Years
Enrollment: 58 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2023
U.S. locations: 1
States / cities: New Haven, Connecticut

Conditions: Hypertension, Cardiovascular Diseases
Interventions: Mixture of Sodium Nitrite and N-acetylcysteine (NAC) crytals.; Drug
Lead sponsor: University of Alabama at Birmingham; Other
Eligibility: 21 Years to 80 Years
Enrollment: 14 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Birmingham, Alabama

Conditions: Blepharitis
Interventions: Azithromycin ophthalmic solution, 1%, Placebo; Drug
Lead sponsor: Merck Sharp & Dohme LLC; Industry
Eligibility: 18 Years and older
Enrollment: 314 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2009
U.S. locations: 26
States / cities: Scottsdale, Arizona • Fayetteville, Arkansas • Artesia, California + 21 more

Conditions: Osteoarthritis of the Knee
Interventions: 4 mL injection of Ampion, 4 mL injection of Placebo; Biological · Drug
Lead sponsor: Ampio Pharmaceuticals. Inc.; Industry
Eligibility: 40 Years to 85 Years
Enrollment: 47 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2015
U.S. locations: 1
States / cities: Englewood, Colorado

Conditions: Psychedelic Microdosing Effects on Mood, Cognition, Subjective Well-being and MRI
Interventions: Psliocybin, Placebo; Drug
Lead sponsor: Yale University; Other
Eligibility: 21 Years to 55 Years
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Hartford, Connecticut

Conditions: Dermatitis, Atopic
Interventions: Dupilumab, JNJ-95475939, Placebo; Drug
Lead sponsor: Janssen Research & Development, LLC; Industry
Eligibility: 18 Years and older
Enrollment: 256 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 13
States / cities: Fountain Valley, California • Los Angeles, California • Alpharetta, Georgia + 10 more

Conditions: IgA Nephropathy
Interventions: Placebo, Atacicept 25 mg, Atacicept 75 mg; Drug
Lead sponsor: EMD Serono Research & Development Institute, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 16 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2020
U.S. locations: 16
States / cities: Glendale, Arizona • Chula Vista, California • Denver, Colorado + 13 more

Conditions: Diarrhea, COVID-19
Interventions: Bismuth Subsalicylate 262 milligram (mg) Oral Tablet, Chewable, Placebo oral tablet without BSS; Drug · Other
Lead sponsor: University of Cincinnati; Other
Eligibility: 18 Years to 85 Years
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2021
U.S. locations: 1
States / cities: Louisville, Kentucky

Conditions: Cluster Headache
Interventions: Vitamin D, multivitamin, Placebo; Dietary Supplement
Lead sponsor: The University of Texas Health Science Center, Houston; Other
Eligibility: 18 Years to 70 Years
Enrollment: 27 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2024
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Fibromyalgia
Interventions: Levetiracetam, Placebo; Drug
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years and older
Enrollment: 66 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2005
U.S. locations: 1
States / cities: San Francisco, California

Conditions: COVID-19
Interventions: Sirolimus, Placebo; Drug
Lead sponsor: University of Cincinnati; Other
Eligibility: 18 Years and older
Enrollment: 32 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020
U.S. locations: 2
States / cities: Chicago, Illinois • Cincinnati, Ohio

Conditions: Healthy Volunteers
Interventions: BIIB104, Placebo; Drug
Lead sponsor: Biogen; Industry
Eligibility: 18 Years to 55 Years · Male only
Enrollment: 31 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019
U.S. locations: 1
States / cities: Long Beach, California

Conditions: Hypercholesterolemia
Interventions: LGT209, Placebo; Drug
Lead sponsor: Novartis Pharmaceuticals; Industry
Eligibility: 18 Years to 70 Years
Enrollment: 74 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2011
U.S. locations: 2
States / cities: Miami Gardens, Florida • Fargo, North Dakota

Conditions: Waist Circumference, Triglycerides, Appetite, Inflammation, Lipids
Interventions: Black pepper extract; Dietary Supplement
Lead sponsor: The Center for Applied Health Sciences, LLC; Industry
Eligibility: 21 Years to 65 Years
Enrollment: 86 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2022
U.S. locations: 1
States / cities: Canfield, Ohio

Conditions: Alcoholic Hepatitis
Interventions: Placebo, SAMe; Other · Dietary Supplement
Lead sponsor: Loma Linda University; Other
Eligibility: 18 Years and older
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2010
U.S. locations: 1
States / cities: Loma Linda, California

Conditions: Impotence
Interventions: sildenafil citrate, placebo for sildenafil citrate; Drug
Lead sponsor: Pfizer's Upjohn has merged with Mylan to form Viatris Inc.; Industry
Eligibility: 18 Years and older · Male only
Enrollment: 209 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2005 – 2006
U.S. locations: 20
States / cities: Huntsville, Alabama • San Diego, California • Aurora, Colorado + 17 more

Conditions: Chronic Hepatitis C
Interventions: Pegylated Interferon/ribavirin; Drug
Lead sponsor: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); NIH
Eligibility: 5 Years to 18 Years
Enrollment: 114 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2010
U.S. locations: 11
States / cities: San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 8 more

Conditions: Type 1 Diabetes, Obesity, Overweight
Interventions: Tirzepatide, Placebo; Drug
Lead sponsor: Eli Lilly and Company; Industry
Eligibility: 18 Years and older
Enrollment: 465 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 18
States / cities: Bonita, California • Escondido, California • Newport Beach, California + 15 more

Conditions: Spatial Navigation
Interventions: Active 10-Hz TMS to the parietal cortex, Active single pulse TMS to the parietal cortex, Sham 10-Hz TMS to the right parietal cortex, Sham single-pulse rTMS the rigt parietal cortex; Device
Lead sponsor: Rutgers, The State University of New Jersey; Other
Eligibility: 18 Years to 55 Years
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2026
U.S. locations: 1
States / cities: Newark, New Jersey

Conditions: Pain
Interventions: Bupivacaine, Placebo; Drug
Lead sponsor: Children's Hospitals and Clinics of Minnesota; Other
Eligibility: Up to 17 Years
Enrollment: 93 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2015
U.S. locations: 1
States / cities: Minneapolis, Minnesota

Conditions: Schizophrenia, Schizoaffective Disorder
Interventions: Memantine, Placebo; Drug
Lead sponsor: University of California, San Diego; Other
Eligibility: 18 Years to 65 Years
Enrollment: 62 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2025
U.S. locations: 1
States / cities: San Diego, California

Conditions: Type I Hypersensitivity
Interventions: Grass MATA MPL, Placebo; Biological
Lead sponsor: Allergy Therapeutics; Industry
Eligibility: 18 Years to 59 Years
Enrollment: 1,028 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2006 – 2007
U.S. locations: 65
States / cities: Colorado Springs, Colorado • Denver, Colorado • Englewood, Colorado + 58 more

Conditions: Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm
Interventions: Acupressure Therapy, Acupressure Therapy - placebo, Acupressure Therapy - self-administered, Health Promotion and Education, Survey Administration; Procedure · Other
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years and older
Enrollment: 78 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2028
U.S. locations: 1
States / cities: Rochester, Minnesota

Search by objective public record fields.

Letrozole in Preventing Breast Cancer in Postmenopausal Women

The Role of Neuroactive Steroids in Stress, Drug Craving and Drug Use in Cocaine Use Disorders

Effect of Sublingually Generated S-nitroso-N-acetylcysteine on Systemic Blood Pressure.

The Effects of Azithromycin Ophthalmic Solution, 1% Versus Placebo in Subjects With Blepharitis During a Four-Week Treatment Period (P08638)

A Study to Evaluate Safety of Three Intra-articular Injections of Ampion in the Knee of Adults With Osteoarthritis Pain

Psilocybin Microdosing on Cognition, Mood and Quality of Life

A Study of JNJ-95475939 in the Treatment of Participants With Moderate to Severe Atopic Dermatitis (AD)

Efficacy and Safety of Atacicept in IgA Nephropathy

Studies of COVID-19 Patients Treated With Oral Bismuth Subsalicylate (Pepto-Bismol)

High Dose Vitamin D Plus Multivitamin in the Prevention of Cluster Headache

Levetiracetam for Treatment of Pain Associated With Fibromyalgia

Sirolimus Treatment in Hospitalized Patients With COVID-19 Pneumonia

Study to Assess the Safety, Tolerability, and Pharmacokinetics of BIIB104 in Healthy Japanese and Non-Japanese Participants

Safety, Tolerability, PK and PD of LGT209 in Healthy Volunteers and Patients With Hypercholesterolemia

Oral Supplementation With a Black Pepper Extract

Randomized, Controlled Trial of S-adenosylmethionine in Alcoholic Liver Disease

Assessment Of Sildenafil On Erectile Function And Intercourse Satisfaction And To Validate A New Subject Questionnaire

PEDS-C: Pegylated Interferon +/- Ribavirin for Children With Hepatitis C

A Long-Term Study of Tirzepatide (LY3298176) in Adults With Type 1 Diabetes and Obesity or Overweight

Modulating Goal-directed Navigation Using Noninvasive Brain Stimulation

Parasternal Nerve Block Using Bupivacaine for Postoperative Analgesia in Children Undergoing Cardiac Surgery

Memantine Augmentation of Targeted Cognitive Training in Schizophrenia

Efficacy and Safety/Tolerability of Grass MATA MPL

Acupressure for the Reduction of Anxiety in Patients Receiving Cancer-Directed Therapy