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ClinicalTrials.gov public records Last synced Oct 14, 2026, 4:45 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 169–192 of 463 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Acute Severe Pain Clear all
Recruiting No phase listed Observational

Liver Transplantation in Patients With CirrHosis and Severe Acute-on-Chronic Liver Failure: iNdications and outComEs

NCT04613921
View directory record Official record
Conditions
Liver Diseases, Liver Cirrhosis, Acute-On-Chronic Liver Failure, Liver Transplant; Complications
Interventions
Observational Protocol
Other
Lead sponsor
European Foundation for Study of Chronic Liver Failure
Other
Eligibility
18 Years to 80 Years
Enrollment
3,000 participants
Timeline
2021 – 2026
U.S. locations
18
States / cities
Los Angeles, California • Aurora, Colorado • Tampa, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Not applicable Interventional

Mindfulness Meditation for Subjects With Severe Speech and Physical Impairments

NCT01964664
View directory record Official record
Conditions
Physical Impairments, Cerebral Palsy, Cerebral Ataxia, locked-in Syndrome
Interventions
Mindfulness Meditation Training, Audio Group
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Portland Metropolitan Area, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 3 Interventional Results available

Aviptadil for Severely Ill Inpatients With COVID-19 (An ACTIV-3b/TESICO Treatment Trial)

NCT06729606
View directory record Official record
Conditions
Covid19
Interventions
Aviptadil, Aviptadil Placebo, Corticosteroid
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
40
States / cities
Tucson, Arizona • Fresno, California • Loma Linda, California + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of SP-103 in Subjects With Moderate to Severe Acute Lower Back Pain

NCT05096494
View directory record Official record
Conditions
Moderate to Severe Acute Lower Back Pain
Interventions
SP-103, Placebo
Drug
Lead sponsor
Scilex Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
10
States / cities
Phoenix, Arizona • Fernandina Beach, Florida • Jacksonville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 2 Interventional Results available

Study of M5049 in Participants With COVID-19 Pneumonia (ANEMONE)

NCT04448756
View directory record Official record
Conditions
Coronavirus Disease 2019
Interventions
M5049, Placebo
Drug
Lead sponsor
EMD Serono Research & Development Institute, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
5
States / cities
Los Angeles, California • San Diego, California • Detroit, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate the Safety and Efficacy of High Dose Intravenous Immune Globulin (IVIG) Plus Standard Medical Treatment (SMT) Versus SMT Alone in Participants in Intensive Care Unit (ICU) With Coronavirus Disease (COVID-19)

NCT04480424
View directory record Official record
Conditions
COVID-19
Interventions
GAMUNEX-C, Standard Medical Treatment
Biological · Drug
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
18
States / cities
Chandler, Arizona • Coronado, California • Chicago, Illinois + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2022 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 4 Interventional Results available

Acute Hemodynamic Effects of Sildenafil in Patients With Severe Aortic Stenosis

NCT01060020
View directory record Official record
Conditions
Aortic Stenosis
Interventions
Sildenafil
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced Oct 14, 2026, 4:45 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Specimen Collection Study From Coronavirus Disease 2019 (COVID-19) Vaccinated Adults and Adolescents

NCT05252910
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Pharm-Olam, LLC
Industry
Eligibility
12 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
6
States / cities
Boston, Massachusetts • Omaha, Nebraska • Syracuse, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Study to Evaluate the Efficacy, Immune Response, and Safety of a COVID-19 Vaccine in Adults ≥ 18 Years With a Pediatric Expansion in Adolescents (12 to<18 Years) at Risk for SARS-CoV-2

NCT04611802
View directory record Official record
Conditions
SARS-CoV Infection, Covid19
Interventions
SARS-CoV-2 rS/Matrix-M1 Adjuvant (Initial Vaccination Period), Placebo (Initial Vaccination Period), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Crossover Vaccination period), Placebo (Crossover Vaccination period), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Booster Vaccination), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Second Booster Vaccination)
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
12 Years and older
Enrollment
33,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
144
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tempe, Arizona + 110 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2023 · Synced Oct 14, 2026, 4:45 AM EDT
Recruiting Not applicable Interventional

Bilevel Positive Airway Pressure (BPAP) for Severe Asthma

NCT07582211
View directory record Official record
Conditions
Pediatric Asthma, Acute Asthma, BiPAP, Non-invasive Positive Pressure Ventilation
Interventions
Bilevel positive airway pressure ventilation
Device
Lead sponsor
Columbia University
Other
Eligibility
5 Years to 17 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
New York, New York • Columbus, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 14, 2026, 4:45 AM EDT
Completed No phase listed Observational

Approaches and Decisions for Acute Pediatric TBI Trial

NCT04077411
View directory record Official record
Conditions
Severe Traumatic Brain Injury
Interventions
Observational
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
Up to 18 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
30
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 25 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2023 · Synced Oct 14, 2026, 4:45 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Recovery Study: Symptoms and Biomarkers of Long COVID-19 in People Living With and Without HIV

NCT04958889
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV2), HIV
Interventions
No intervention
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
392 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2024 · Synced Oct 14, 2026, 4:45 AM EDT
Terminated Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of USL261 (Intranasal Midazolam) in Patients With Seizure Clusters

NCT01390220
View directory record Official record
Conditions
Epilepsy
Interventions
USL261, Placebo
Drug
Lead sponsor
UCB Biopharma S.P.R.L.
Industry
Eligibility
12 Years and older
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
46
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 43 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2019 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 2 Interventional

Non-Ablative Allo HSCT For Hematologic Malignancies or SAA

NCT00006379
View directory record Official record
Conditions
Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Diseases, Precancerous/Nonmalignant Condition, Small Intestine Cancer
Interventions
anti-thymocyte globulin, graft-versus-tumor induction therapy, cyclophosphamide, fludarabine phosphate, peripheral blood stem cell transplantation
Biological · Drug · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
Up to 70 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 8, 2011 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Relative Bioavailability Study of PF-07321332/Ritonavir Oral Powder Relative to the Commercial Tablets in Healthy Participants

NCT05263921
View directory record Official record
Conditions
Bioavailability
Interventions
PF-07321332/ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Oct 14, 2026, 4:45 AM EDT
Terminated Phase 1 Interventional

A Study to Learn About the Study Medicine (Nirmatrelvir Plus Ritonavir) in Pregnant Women With COVID-19

NCT05386472
View directory record Official record
Conditions
COVID-19
Interventions
nirmatrelvir, ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
13
States / cities
Birmingham, Alabama • Cutler Bay, Florida • DeBary, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 2 Interventional Results available

COVID Protection After Transplant-Immunosuppression Reduction

NCT05077254
View directory record Official record
Conditions
Kidney Transplant Recipients, Liver Transplant Recipients
Interventions
Pfizer-BioNTech COVID-19 Vaccine 2023-2024, Moderna COVID-19 Vaccine 2023-2024, SOC IS Regimen, SOC IS Reduction
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
15
States / cities
San Diego, California • San Francisco, California • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

COVID19 SARS Vaccinations: Systemic Allergic Reactions to SARS-CoV-2 Vaccinations

NCT04761822
View directory record Official record
Conditions
SARS-CoV Infection, COVID-19, Allergic Reaction, Mast Cell Disorder
Interventions
Moderna COVID-19 Vaccine, Pfizer-BioNTech COVID-19 Vaccine, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
5 Years and older
Enrollment
746 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
29
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Oct 14, 2026, 4:45 AM EDT
Withdrawn Phase 1 Interventional

Intermediate IND Severe Illness COVID-19 CP

NCT04411602
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome, COVID
Interventions
SARS-CoV-2 plasma
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Novi, Michigan • Southfield, Michigan • Warren, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 2 Interventional Results available

Losartan for Patients With COVID-19 Not Requiring Hospitalization

NCT04311177
View directory record Official record
Conditions
Corona Virus Infection, Acute Respiratory Distress Syndrome, SARS-CoV Infection
Interventions
Losartan, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Minneapolis, Minnesota • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Oct 14, 2026, 4:45 AM EDT
Completed No phase listed Observational

Northern Colorado COVID-19 Biobank

NCT04603677
View directory record Official record
Conditions
Covid19
Interventions
Not listed
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
4
States / cities
Fort Collins, Colorado • Greeley, Colorado • Loveland, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Oct 14, 2026, 4:45 AM EDT
Completed Phase 3 Interventional Results available

Dornase Alfa for ARDS in Patients With Severe Acute Respiratory Syndrome-Coronavirus-2 (SARS-CoV-2)

NCT04402970
View directory record Official record
Conditions
SARS-CoV 2, ARDS
Interventions
Dornase Alfa Inhalation Solution
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Oct 14, 2026, 4:45 AM EDT
Terminated Phase 2 Interventional Results available

Antiseptic Mouthwash / Pre-Procedural Rinse on SARS-CoV-2 Load (COVID-19)

NCT04409873
View directory record Official record
Conditions
COVID-19, SARS-CoV 2, Severe Acute Respiratory Syndrome Coronavirus 2, Virus Disease, Coronavirus Infections, Pharyngeal Diseases
Interventions
Oral-B Mouth Sore mouthwash, Crest Pro-Health Multi-Protection mouthwash, CloSYS Ultra Sensitive Rinse mouthwash, Distilled water, Listerine Zero Mouthwash Product
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2023 · Synced Oct 14, 2026, 4:45 AM EDT
Enrolling by invitation Phase 4 Interventional

Evaluating RELiZORB Use for the Treatment of Feeding Intolerance in Adults With Moderate to Severe Acute Pancreatitis

NCT07583342
View directory record Official record
Conditions
Acute Pancreatitis (AP), Enhancing Enteral Nutrition Tolerance
Interventions
RELiZORB digestive enzyme (immobilized lipase) cartridge
Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
5
States / cities
Bay Shore, New York • Manhasset, New York • Manhattan, New York + 2 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 14, 2026, 4:45 AM EDT