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ClinicalTrials.gov public records Last synced Oct 19, 2026, 6:30 AM EDT

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

Showing 265–288 of 917 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: No intervention (observational study) Clear all
Completed No phase listed Observational

Study Estimating the Impact of Prevnar 13™ (13vPnC) on Invasive Pneumococcal Disease

NCT01128439
View directory record Official record
Conditions
Invasive Pneumococcal Disease
Interventions
No intervention
Other
Lead sponsor
Pfizer
Industry
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2018 · Synced Oct 19, 2026, 6:30 AM EDT
Completed Not applicable Interventional

Shared Decision Making in Graves Disease - Graves Disease (GD) Choice

NCT02107794
View directory record Official record
Conditions
Graves' Disease, Thyroid Disease, Hyperthyroidism
Interventions
Decision Aid
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced Oct 19, 2026, 6:30 AM EDT
Active, not recruiting No phase listed Observational

Biomarkers in the Brain Oxygen Optimization in Severe Traumatic Brain Injury Trial

NCT04565119
View directory record Official record
Conditions
TBI (Traumatic Brain Injury)
Interventions
No intervention. This is an observational study.
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
2
States / cities
Ann Arbor, Michigan • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 19, 2026, 6:30 AM EDT
Completed Phase 2 Interventional Results available

Ovarian Cancer Vaccine for Patients in Remission

NCT01068509
View directory record Official record
Conditions
Epithelial Ovarian Cancer
Interventions
Cvac
Biological
Lead sponsor
Prima BioMed Ltd
Industry
Eligibility
18 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
13
States / cities
Greenbrae, California • La Jolla, California • Palo Alto, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Oct 19, 2026, 6:30 AM EDT
Terminated No phase listed Observational

Effect of Ketamine on Neurological Activity as Measured by Electroencephalogram (EEG)

NCT05095792
View directory record Official record
Conditions
Treatment-resistant Depression
Interventions
Observational - no intervention
Other
Lead sponsor
Entheon Biomedical Corp.
Industry
Eligibility
21 Years to 60 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Oct 19, 2026, 6:30 AM EDT
Recruiting No phase listed Observational

Delineating the Molecular Spectrum and the Clinical, Imaging and Neuronal Phenotype of Chopra-Amiel-Gordon Syndrome

NCT05528744
View directory record Official record
Conditions
Genetic Disease, Chopra-Amiel-Gordon Syndrome, CAGS, ANKRD17
Interventions
Observational Study, Sample collection only
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 19, 2026, 6:30 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Skeletal Health and Bone Marrow Composition Among Youth

NCT04203381
View directory record Official record
Conditions
Gender Dysphoria in Children, Puberty, Bone Development
Interventions
GnRH Agonist
Device
Lead sponsor
Amy DiVasta, MD
Other
Eligibility
9 Years to 14 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 19, 2026, 6:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of Niacin on Endothelial Function in HIV-infected Subjects With Low High Density Lipoprotein Cholesterol Levels

NCT00986986
View directory record Official record
Conditions
HIV Infections, Dyslipidemia, Endothelial Dysfunction
Interventions
extended release niacin
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Dec 18, 2012 · Synced Oct 19, 2026, 6:30 AM EDT
Recruiting No phase listed Observational

Genotype and Phenotype Correlation in Hereditary Thrombotic Thrombocytopenic Purpura (Upshaw-Schulman Syndrome)

NCT01257269
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura, Congenital Thrombotic Thrombocytopenic Purpura, Familial Thrombotic Thrombocytopenic Purpura, Thrombotic Thrombocytopenic Purpura, Congenital, Upshaw-Schulman Syndrome
Interventions
Observation
Other
Lead sponsor
Insel Gruppe AG, University Hospital Bern
Other
Eligibility
Not listed
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2030
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Oct 19, 2026, 6:30 AM EDT
Completed Phase 1 Interventional

Palliadelic Treatment to Reduce Psychological Distress in Persons With Advanced Gastrointestinal Cancers

NCT05220046
View directory record Official record
Conditions
Pancreas Cancer, Biliary Tract Cancer, Psychological Distress, Gastrointestinal Cancer
Interventions
Psilocybin
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 85 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 19, 2026, 6:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Feasibility of Rice Bran Supplementation in Nicaraguan Children

NCT02615886
View directory record Official record
Conditions
Dietary Rice Bran Supplementation
Interventions
Observational Control, Rice bran
Other · Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
4 Months to 13 Months
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 19, 2017 · Synced Oct 19, 2026, 6:30 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Clinical Time and Temporal Dynamics Study (CLIN-TIME)

NCT07812831
View directory record Official record
Conditions
Longitudinal Studies, Prospective Studies, Biomarkers, Predictive Value of Tests, Telemedicine, Time of Death, Time Perception, Time Reaction, Time Efficiency, Time Management, Population, Population Groups, Epidemic Disease, Pandemic, Sex Behavior, Sex Characteristics, Sex Hormone, Cardio-pulmonary, Surgical, Drugs of Abuse, Health Risks, Clinical Outcomes
Interventions
No Study-Assigned Intervention
Other
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2076
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 19, 2026, 6:30 AM EDT
Completed Phase 4 Interventional

Long-acting Buprenorphine vs. Naltrexone Opioid Treatments in CJS-involved Adults

NCT04219540
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
XR-B (SUBLOCADETM), XR-NTX
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
675 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
New Haven, Connecticut • Baltimore, Maryland • Hanover, New Hampshire + 3 more
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Oct 19, 2026, 6:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Self-reported Usage Patterns of Opioid Analgesic Medications After Surgery

NCT03034278
View directory record Official record
Conditions
Opioid Use
Interventions
Not applicable - no intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
785 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Oct 19, 2026, 6:30 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Lung and Heart Function Across Decades of Life in Health

NCT07641413
View directory record Official record
Conditions
Pollution Related Respiratory Disorder, Pollution; Exposure, Dyspnea, Cardiopulmonary
Interventions
Healthy control
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
24 Years to 68 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 19, 2026, 6:30 AM EDT
Completed Phase 3 Interventional Results available

Treatment for CI-DME in Eyes With Very Good VA Study

NCT01909791
View directory record Official record
Conditions
Diabetic Macular Edema
Interventions
Prompt Laser, Prompt aflibercept, Deferred laser, Deferred aflibercept
Procedure · Drug
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
18 Years and older
Enrollment
702 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
100
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 84 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2020 · Synced Oct 19, 2026, 6:30 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Expression of Stress Markers During Meth Treatment (EXPRESS+)

NCT05558345
View directory record Official record
Conditions
Substance-Related Disorders, HIV
Interventions
Contingency Management
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Oct 19, 2026, 6:30 AM EDT
Completed No phase listed Observational

A Longitudinal Study on the Safety and Efficacy for Subjects With ASD Who Received MeRT

NCT02746445
View directory record Official record
Conditions
Autistic Disorder
Interventions
No intervention
Other
Lead sponsor
Wave Neuroscience
Industry
Eligibility
6 Years to 15 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Newport Beach, California
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Oct 19, 2026, 6:30 AM EDT
Not yet recruiting Not applicable Interventional

Intraosseous Antibiotics for Osseointegration

NCT07621094
View directory record Official record
Conditions
Osseointegration Infection
Interventions
intraosseous antibiotic delivery
Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
5
States / cities
Aurora, Colorado • New York, New York • Charlotte, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 19, 2026, 6:30 AM EDT
Active, not recruiting No phase listed Observational

Feasibility and Acceptance of SonoHeal for Airway Clearance and Preliminary Comparison With the Standard of Care

NCT07568119
View directory record Official record
Conditions
Cystic Fibrosis (CF), Non Cystic Fibrosis Bronchiectasis, Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Airway clearance therapy through acoustic oscillations
Device
Lead sponsor
Cognita Labs LLC
Industry
Eligibility
11 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Santa Ana, California
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 19, 2026, 6:30 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Scaling Up Implementation Strategies to Improve the DIAGNOSE and PREVENT Pillars for Young MSM in Florida

NCT06015581
View directory record Official record
Conditions
Hiv
Interventions
Workforce Development (WD) strategies, Quality Management (QM) and Mystery Shopper (MS) Feedback
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2028
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 19, 2026, 6:30 AM EDT
Completed Phase 2 Interventional Results available

A Phase 2b Study To Evaluate The Efficacy And Safety Profile Of PF-06651600 And PF-06700841 In Active Non-segmental Vitiligo Subjects

NCT03715829
View directory record Official record
Conditions
Active Non-segmental Vitiligo
Interventions
PF-06651600, placebo, PF06700841, narrow-band UVB phototherapy
Drug · Device
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
40
States / cities
Huntington Beach, California • Irvine, California • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2022 · Synced Oct 19, 2026, 6:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Induced Tolerogenic Dendritic Cells as Modulators of Allergic Asthma

NCT01711593
View directory record Official record
Conditions
Asthma, Allergies
Interventions
Bronchoscopy, Segmental Allergen Challenge and Bronchoalveolar Lavage, Phlebotomy
Biological · Procedure
Lead sponsor
Andrew D. Luster, M.D.,Ph.D.
Other
Eligibility
18 Years to 50 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 19, 2026, 6:30 AM EDT
Terminated No phase listed Observational

PSIL201 Long-term Follow-up Study: Psilocybin or Niacin / Major Depressive Disorder

NCT04353921
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
No intervention will be administered as part of this study.
Other
Lead sponsor
Usona Institute
Other
Eligibility
21 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Lauderhill, Florida
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 19, 2026, 6:30 AM EDT