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ClinicalTrials.gov public records Last synced Oct 6, 2026, 4:48 PM EDT

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Showing 145–168 of 33,017 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo / Placebo Clear all
Completed Phase 3 Interventional

Study of Methylnaltrexone (MNTX) for the Relief of Constipation

NCT00402038
View directory record Official record
Conditions
Advance Illness Patients With OIC
Interventions
SC Methylnaltrexone, SC Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Tarrytown, New York
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Oct 6, 2026, 4:48 PM EDT
Withdrawn Phase 4 Interventional

Pilot E2 for Hypogonadal Women With CFBD

NCT03724955
View directory record Official record
Conditions
Cystic Fibrosis Related Bone Disease
Interventions
Estradiol 2 mg, Placebo
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

To Evaluate the Safety, Tolerability, Efficacy and Immunogenicity of BNT162b2 Boosting Strategies Against COVID-19 in Participants ≥12 Years of Age.

NCT04955626
View directory record Official record
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b2, Placebo, BNT162b2 OMI, Combination BNT162b2 and BNT162b2 OMI, Combination (Bivalent) BNT162b2 and BNT162b2 OMI
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
12 Years and older
Enrollment
16,372 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
139
States / cities
Athens, Alabama • Birmingham, Alabama • Huntsville, Alabama + 99 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 2 Interventional Results available

A Phase 2 Study to Evaluate Analgesic Effect of IV CR845 For Pain Following Bunionectomy Surgery

NCT01789476
View directory record Official record
Conditions
Acute Pain
Interventions
CR845, Placebo
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 30, 2015 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Apitegromab in Patients With Later-Onset Spinal Muscular Atrophy Treated With Nusinersen or Risdiplam

NCT05156320
View directory record Official record
Conditions
Spinal Muscular Atrophy, Spinal Muscular Atrophy Type 3, Spinal Muscular Atrophy Type 2, SMA, Neuromuscular Diseases, Muscular Atrophy, Atrophy, Muscular Atrophy, Spinal, Neuromuscular Manifestations, Anti-myostatin
Interventions
Apitegromab, Placebo
Drug
Lead sponsor
Scholar Rock, Inc.
Industry
Eligibility
2 Years to 21 Years
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
26
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 1 Interventional

Sildenafil Citrate Before Surgery in Improving Kidney Function in Patients With Kidney Cancer

NCT01950923
View directory record Official record
Conditions
Kidney Tumor
Interventions
sildenafil citrate, placebo, therapeutic conventional surgery
Drug · Other · Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 3, 2018 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 2 Interventional Results available

Prospective Pilot Clinical Trial of Azithromycin Treatment In Respiratory Syncytial Virus (RSV)- Induced Respiratory Failure In Children

NCT02707523
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
Azithromycin 10 mg, Azithromycin 20mg, Placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
Up to 16 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 22, 2020 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 3 Interventional Results available

Efficacy of Alicaforsen in Pouchitis Patients Who Have Failed to Respond to at Least One Course of Antibiotics

NCT02525523
View directory record Official record
Conditions
Pouchitis
Interventions
Alicaforsen, Placebo
Drug
Lead sponsor
Atlantic Pharmaceuticals Ltd
Industry
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
12
States / cities
La Jolla, California • Los Angeles, California • Stanford, California + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 3 Interventional Results available

Patients With Metastatic Colorectal Cancer Treated With Regorafenib or Placebo After Failure of Standard Therapy

NCT01103323
View directory record Official record
Conditions
Metastatic Colorectal Cancer
Interventions
Regorafenib (Stivarga, BAY73-4506), Placebo, Best Supportive Care (BSC)
Drug · Other
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
760 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
26
States / cities
Beverly Hills, California • Los Angeles, California • Mission Hills, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2015 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Pharmacodynamic Profile of SPD489 in Healthy Adult Males Undergoing a Nocturnal Period of Acute Sleep Loss

NCT01096680
View directory record Official record
Conditions
Sleep Deprivation
Interventions
SPD489 20 mg, SPD489 50 mg, SPD489 70 mg, Armodafinil, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 40 Years · Male only
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2021 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 3 Interventional Results available

An Efficacy, Safety, and Tolerability Study of TMC435 in Treatment-naive, Genotype 1 Hepatitis C-infected Patients

NCT01289782
View directory record Official record
Conditions
Hepatitis C
Interventions
Placebo, TMC435, Peginterferon alpha-2a (PegIFN alpha-2a), Ribavirin (RBV)
Drug
Lead sponsor
Janssen R&D Ireland
Industry
Eligibility
18 Years and older
Enrollment
395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
22
States / cities
Dothan, Alabama • Hoover, Alabama • Phoenix, Arizona + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2014 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 3 Interventional Results available

Phase 3 Study of Obeticholic Acid in Patients With Primary Biliary Cirrhosis

NCT01473524
View directory record Official record
Conditions
Primary Biliary Cirrhosis
Interventions
Obeticholic Acid (OCA), Placebo
Drug
Lead sponsor
Intercept Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
15
States / cities
Sacramento, California • San Diego, California • Aurora, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 3 Interventional

Postmenopausal Evaluation and Risk-reduction With Lasofoxifene (PEARL)

NCT00141323
View directory record Official record
Conditions
Osteoporosis
Interventions
lasofoxifene, placebo
Drug · Other
Lead sponsor
Ligand Pharmaceuticals
Industry
Eligibility
60 Years to 80 Years · Female only
Enrollment
8,556 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
48
States / cities
Birmingham, Alabama • La Jolla, California • Palm Desert, California + 29 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2011 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 2 Interventional Results available

A Study of the Effect of SYN-010 on Subjects With IBS-C

NCT02495623
View directory record Official record
Conditions
Irritable Bowel Syndrome With Constipation (IBS-C)
Interventions
SYN-010 21 mg, SYN-010 42 mg, Placebo
Drug
Lead sponsor
Theriva Biologics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 27, 2018 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Phase 3 Trial of the VLP-Based Chikungunya Vaccine PXVX0317 (CHIKV VLP Vaccine)

NCT05072080
View directory record Official record
Conditions
Chikungunya Virus
Interventions
CHIKV VLP/adjuvant, Placebo
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
12 Years to 64 Years
Enrollment
3,258 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
47
States / cities
Huntsville, Alabama • Mobile, Alabama • Tempe, Arizona + 42 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2024 · Synced Oct 6, 2026, 4:48 PM EDT
Recruiting Early Phase 1 Interventional

VTP-1000 in Adults With Celiac Disease

NCT06310291
View directory record Official record
Conditions
Celiac Disease
Interventions
VTP-1000, Matched Placebo
Biological · Other
Lead sponsor
Barinthus Biotherapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
16
States / cities
Los Angeles, California • Colorado Springs, Colorado • Jacksonville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Not applicable Interventional

Intellectual Enrichment to Build Cognitive Reserve in MS

NCT01978574
View directory record Official record
Conditions
Cognitive Impairment in Multiple Sclerosis
Interventions
Intellectual Enrichment daily activities, Intellectual Enrichment documentary videos
Behavioral
Lead sponsor
Kessler Foundation
Other
Eligibility
25 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 20, 2020 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Radicle Calm 24: A Study of Health and Wellness Products on Feelings of Anxiety and Related Health Outcomes

NCT06431074
View directory record Official record
Conditions
Anxiety, Stress
Interventions
Placebo Control Form 1, Calm Active Study Product 1.1 Usage, Placebo Control 6.1, Calm Active Study Product 6.1 Usage
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
502 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Del Mar, California
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 2 Interventional Results available

KPL-301 for Subjects With Giant Cell Arteritis

NCT03827018
View directory record Official record
Conditions
Giant Cell Arteritis
Interventions
mavrilimumab, placebo, prednisone
Combination Product · Drug
Lead sponsor
Kiniksa Pharmaceuticals, Ltd.
Industry
Eligibility
50 Years to 85 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
8
States / cities
Sarasota, Florida • Tampa, Florida • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2023 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 1 Interventional Results available

Assessment of ANK-700 in Patients With Relapsing Remitting Multiple Sclerosis

NCT04602390
View directory record Official record
Conditions
Multiple Sclerosis (MS), Relapsing Remitting Multiple Sclerosis
Interventions
ANK-700, Placebo
Drug
Lead sponsor
Anokion SA
Industry
Eligibility
18 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
15
States / cities
Cullman, Alabama • Phoenix, Arizona • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated May 31, 2025 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 3 Interventional Results available

OASIS-HAE: A Study to Evaluate the Safety and Efficacy of Donidalorsen (ISIS 721744 or IONIS-PKK-LRx) in Participants With Hereditary Angioedema (HAE)

NCT05139810
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
Donidalorsen, Placebo
Drug
Lead sponsor
Ionis Pharmaceuticals, Inc.
Industry
Eligibility
12 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
15
States / cities
Scottsdale, Arizona • San Diego, California • Santa Monica, California + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 2 Interventional Results available

Study Evaluating the Safety,Tolerability and Efficacy of PF-04360365 in Adults With Probable Cerebral Amyloid Angiopathy

NCT01821118
View directory record Official record
Conditions
Cerebral Amyloid Angiopathy
Interventions
Ponezumab, placebo
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
55 Years to 90 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
7
States / cities
Los Angeles, California • Boston, Massachusetts • Charlestown, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 3 Interventional Results available

Study of US-ATG-F to Prevent Chronic Graft Versus Host Disease (GVHD)

NCT01295710
View directory record Official record
Conditions
GVHD, Adult Acute Myeloid Leukemia, Adult Acute Lymphoid Leukemia, Myelodysplastic Syndrome
Interventions
US-ATG-F, Placebo
Biological
Lead sponsor
Neovii Biotech
Industry
Eligibility
18 Years to 65 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
26
States / cities
Duarte, California • Stanford, California • Gainesville, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Oct 6, 2026, 4:48 PM EDT
Completed Phase 2 Interventional

Multiple Ascending Dose Study of TRN-157 in Stable Mild and Moderate Asthmatics

NCT02382510
View directory record Official record
Conditions
Asthma
Interventions
TRN-157, Placebo, Tiotropium
Drug · Other
Lead sponsor
Theron Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
7
States / cities
Costa Mesa, California • Gold River, California • Reno, Nevada + 4 more
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Oct 6, 2026, 4:48 PM EDT