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ClinicalTrials.gov public records Last synced Oct 17, 2026, 8:06 PM 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 917 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: No intervention (observational study) Clear all
Completed No phase listed Observational

Chronic HIV Infection and Aging in NeuroAIDS (CHAIN)

NCT01186042
View directory record Official record
Conditions
HIV, Aging
Interventions
Observational
Other
Lead sponsor
University of Nebraska
Other
Eligibility
20 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 17, 2026, 8:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Longer-Acting PrEP in Transgender and Gender Diverse Texans

NCT05044286
View directory record Official record
Conditions
HIV-1-infection
Interventions
no intervention
Other
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 100 Years
Enrollment
565 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 28, 2023 · Synced Oct 17, 2026, 8:06 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Chromosome 18 Clinical Research Center

NCT00227253
View directory record Official record
Conditions
Chromosome Aberrations, Growth Hormone Deficiency, Hypomyelination
Interventions
Determination of growth hormone status, Measurement of growth, thyroid and sex hormone levels, Behavior and neuropsychometric evaluations, Audiological and ear, nose and throat examination, Magnetic resonance imaging of the brain, Dysmorphology evaluation, Neurology examination, Dental evaluation, Speech pathology evaluation, Psychiatric evaluation, Orthopedic evaluation, Ophthalmologic evaluation, Gastrointestinal evaluation
Procedure
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
Not listed
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1993 – 2040
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Oct 17, 2026, 8:06 PM EDT
Completed No phase listed Observational

Changes in Cytokine Levels During an Acute Exacerbation of Chronic Obstructive Pulmonary Disease

NCT00281242
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Lung Diseases, Obstructive
Interventions
blood draw
Other
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 29, 2016 · Synced Oct 17, 2026, 8:06 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

UPenn Observational Research Repository on Neurodegenerative Disease

NCT04715399
View directory record Official record
Conditions
Frontotemporal Degeneration(FTD), Primary Progressive Aphasia(PPA), Familial Frontotemporal Lobar Degeneration (fFTLD), Amyotrophic Lateral Sclerosis(ALS), Lewy Body Disease(LBD), Progressive Supranuclear Palsy(PSP), Corticobasal Syndrome(CBS), Posterior Cortical Atrophy(PCA), Alzheimer's Disease(AD)
Interventions
No intervention
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2070
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 17, 2026, 8:06 PM EDT
Completed Phase 3 Interventional Results available

Imiquimod, Fluorouracil, or Observation in Treating HIV-Positive Patients With High-Grade Anal Squamous Skin Lesions

NCT02059499
View directory record Official record
Conditions
Anal Intraepithelial Neoplasia, High-grade Squamous Intraepithelial Lesion, HIV Infection
Interventions
imiquimod, fluorouracil, questionnaire administration, laboratory biomarker analysis
Drug · Other
Lead sponsor
AIDS Malignancy Consortium
Network
Eligibility
21 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2024
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Oct 17, 2026, 8:06 PM EDT
Not listed Phase 4 Interventional

ShuntCheck-Micro-Pumper Pediatric Clinical Outcomes Study

NCT01881711
View directory record Official record
Conditions
Suspected CSF Shunt Obstruction
Interventions
ShuntCheck-Micro-Pumper (SCMP), Imaging
Device
Lead sponsor
NeuroDx Development
Industry
Eligibility
35 Months to 29 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
11
States / cities
Wilmington, Delaware • Washington D.C., District of Columbia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2015 · Synced Oct 17, 2026, 8:06 PM EDT
Terminated Phase 2 Interventional Results available

Ursodeoxycholic Acid (UDCA) for Hepatic Sarcoidosis

NCT03602976
View directory record Official record
Conditions
Hepatic Sarcoidosis, Elevated Alkaline Phosphatase
Interventions
Ursodeoxycholic Acid
Drug
Lead sponsor
Ethan Weinberg
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 7, 2023 · Synced Oct 17, 2026, 8:06 PM EDT
Completed No phase listed Observational

Molecular Mechanisms and Diagnosis of Mastocytosis

NCT00336076
View directory record Official record
Conditions
Mastocytosis
Interventions
Collection of blood and bone marrow
Other
Lead sponsor
University of Michigan
Other
Eligibility
Not listed
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 7, 2016 · Synced Oct 17, 2026, 8:06 PM EDT
Recruiting No phase listed Observational

Clinical Outcomes in Prostate Cancer Patients Undergoing HIFU Ablation

NCT07203482
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
40 Years to 95 Years · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2050
U.S. locations
2
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 17, 2026, 8:06 PM EDT
Active, not recruiting Phase 3 Interventional

Testing MK-3475 (Pembrolizumab) as Adjuvant Therapy for Triple Receptor-Negative Breast Cancer

NCT02954874
View directory record Official record
Conditions
Breast Carcinoma In Situ, Invasive Breast Carcinoma, Stage I Breast Cancer AJCC v7, Stage II Breast Cancer AJCC v6 and v7, Stage III Breast Cancer AJCC v7, Triple-Negative Breast Carcinoma
Interventions
Biospecimen Collection, Laboratory Biomarker Analysis, Patient Observation, Pembrolizumab, Quality-of-Life Assessment, Questionnaire Administration, Radiation Therapy
Procedure · Other · Biological + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
1,195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
895
States / cities
Birmingham, Alabama • Daphne, Alabama • Mobile, Alabama + 637 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 17, 2026, 8:06 PM EDT
Completed No phase listed Observational

Assessment of Patterns of Patient Reported Outcomes in Adults With Congenital Heart Disease - International Study II

NCT04902768
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
This is an observational study, there is no intervention
Other
Lead sponsor
KU Leuven
Other
Eligibility
18 Years and older
Enrollment
8,415 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
10
States / cities
San Francisco, California • Stanford, California • Gainesville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Oct 17, 2026, 8:06 PM EDT
Recruiting Early Phase 1 Interventional

Early Intervention in High Risk CCUS

NCT06802146
View directory record Official record
Conditions
Clonal Cytopenia of Undetermined Significance, Cytopenia
Interventions
Inqovi
Drug
Lead sponsor
Lachelle D. Weeks, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 17, 2026, 8:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Observational Study to Compare Outcomes of Different Psychiatric Treatment of Suicidal Adolescents

NCT04625686
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Mental Health Treatment
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Years to 18 Years
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
4
States / cities
Queens, New York • Cincinnati, Ohio • Columbus, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Oct 17, 2026, 8:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Determinants of Bone Mineral Density and Metabolic Syndrome in South Asian Indian Men

NCT03600675
View directory record Official record
Conditions
Osteoporosis
Interventions
No intervention element, observational study.
Other
Lead sponsor
Drexel University
Other
Eligibility
20 Years to 50 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Oct 17, 2026, 8:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Military Service and Family Members for Post Concussive and Posttraumatic Stress Symptoms

NCT03191357
View directory record Official record
Conditions
TBI (Traumatic Brain Injury)
Interventions
n/a observational
Other
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years and older
Enrollment
424 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 17, 2020 · Synced Oct 17, 2026, 8:06 PM EDT
Completed No phase listed Observational

TEWL Biomarker Study for Diabetic Foot Ulcer Recurrence

NCT04558775
View directory record Official record
Conditions
Diabetes, Diabetic Foot, Diabetic Foot Ulcer, Diabetic Wound, Diabetic
Interventions
Observational
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
418 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
6
States / cities
San Francisco, California • Stanford, California • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2023 · Synced Oct 17, 2026, 8:06 PM EDT
Completed No phase listed Observational

Real-World Study of Enzalutamide and Abiraterone Acetate (With Prednisone) Tolerability

NCT02663193
View directory record Official record
Conditions
Prostate Cancer
Interventions
No Intervention
Other
Lead sponsor
Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
20
States / cities
Homewood, Alabama • La Mesa, California • Wheat Ridge, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 17, 2026, 8:06 PM EDT
Completed No phase listed Observational Results available

Psoriatic Arthritis Research Collaborative: Biologic Sub-Study

NCT03378336
View directory record Official record
Conditions
Psoriatic Arthritis
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 89 Years
Enrollment
171 participants
Timeline
2017 – 2023
U.S. locations
4
States / cities
New York, New York • Cleveland, Ohio • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated May 9, 2025 · Synced Oct 17, 2026, 8:06 PM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Infliximab to Treat Crohn'S-like Inflammatory Bowel Disease in Chronic Granulomatous Disease

NCT00325078
View directory record Official record
Conditions
Chronic Granulomatous Disease, Crohn'S-like IBD, Inflammatory Bowel Disease (IBD)
Interventions
Infliximab
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
10 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 29, 2015 · Synced Oct 17, 2026, 8:06 PM EDT
Completed Not applicable Interventional

Artificial Pancreas - Adolescent Physiology & Psychology Longitudinal Evaluation

NCT04510506
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Artificial Pancreas (AP)
Device
Lead sponsor
University of Virginia
Other
Eligibility
11 Years to 12 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Oct 17, 2026, 8:06 PM EDT
Recruiting No phase listed Observational

Polyethylene Wear Particle Analysis of THA

NCT06432543
View directory record Official record
Conditions
Wear of Articular Bearing Surface of Prosthetic Joint, Hip Arthropathy
Interventions
polyethylene
Device
Lead sponsor
Osaka Metropolitan University
Other
Eligibility
20 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 20, 2025 · Synced Oct 17, 2026, 8:06 PM EDT
Recruiting No phase listed Observational

Long-term Safety of Eplontersen Treated aTTR Patients and in Liver Transplant and Severely Hepatic Impaired Subpopulations

NCT07654855
View directory record Official record
Conditions
Transthyretin Amyloidosis, Transthyretin Amyloidosis With Cardiomyopathy, Transthyretin Amyloidosis With Polyneuropathy
Interventions
None ( observational study )
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 17, 2026, 8:06 PM EDT
Terminated Phase 3 Interventional Results available

Study of Zevalin Versus Observation in Participants at Least 60 Years Old With Newly Diagnosed Diffuse Large B-cell Lymphoma in Positron Emission Tomography (PET)-Negative Complete Remission After Rituximab-Cyclophosphamide, Doxorubicin, Vincristine, and Prednisone (R-CHOP) or R-CHOP-like Therapy

NCT01510184
View directory record Official record
Conditions
Diffuse Large B-cell Lymphoma, Follicle Center Lymphoma
Interventions
Zevalin, Y-90-Zevalin, Rituximab, In-111 Zevalin
Drug
Lead sponsor
Spectrum Pharmaceuticals, Inc
Industry
Eligibility
60 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
28
States / cities
Casa Grande, Arizona • Berkeley, California • Duarte, California + 24 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2021 · Synced Oct 17, 2026, 8:06 PM EDT