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ClinicalTrials.gov public records Last synced Oct 21, 2026, 7:27 AM EDT

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

Showing 1105–1128 of 4,386 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: observational study Clear all
Terminated No phase listed Observational

EndoPredict® Extended Endocrine Trial (EXET)

NCT04016935
View directory record Official record
Conditions
Primary Invasive Breast Cancer
Interventions
Observational
Other
Lead sponsor
Myriad Genetic Laboratories, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
855 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
52
States / cities
Burbank, California • Roseville, California • Fort Myers, Florida + 40 more
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 21, 2026, 7:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Actigraphy in Pediatric Pulmonary Hypertension

NCT02909608
View directory record Official record
Conditions
Pediatric Pulmonary Hypertension
Interventions
No interventions / observations only
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
8 Years to 14 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Oct 21, 2026, 7:27 AM EDT
Recruiting No phase listed Observational

A Study to Learn How Stargardt-type Eye Conditions Progress in Children and Adults

NCT07425574
View directory record Official record
Conditions
Stargardt Disease, Stargardt Macular Dystrophy, Stargardt-like Macular Dystrophy
Interventions
No Intervention
Other
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
6 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
15
States / cities
Phoenix, Arizona • Palo Alto, California • Sacramento, California + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 21, 2026, 7:27 AM EDT
Active, not recruiting No phase listed Observational

Retrospective Observational Study of Patients Who Have Undergone Coronary Artery Bypass Graft (CABG) and/or Cardiac Valve Surgery

NCT07009340
View directory record Official record
Conditions
Post-discharge Outcomes
Interventions
Not listed
Lead sponsor
Renibus Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
4
States / cities
Huntsville, Alabama • Fort Wayne, Indiana • Midland, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2025 · Synced Oct 21, 2026, 7:27 AM EDT
Not yet recruiting No phase listed Observational

Observational Data Collection for Blood Hemoglobin Algorithm Validation in Pediatrics

NCT07706140
View directory record Official record
Conditions
Hemoglobin, Cerebral Oxygenation, Congenital Heart Disease
Interventions
Noninvasive hemoglobin monitoring
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
0 Days to 21 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 21, 2026, 7:27 AM EDT
Terminated Not applicable Interventional Results available

Closure of Fasciotomy Wounds: A Prospective, Observational Study of a Continuous External Tissue Expander

NCT01171534
View directory record Official record
Conditions
Wounds and Injuries, Compartment Syndrome
Interventions
DermaClose fasciotomy closure, Vessel loop
Device
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Oct 21, 2026, 7:27 AM EDT
Active, not recruiting No phase listed Observational

LTFU Study of Subjects Who Received GRNOPC1

NCT05919563
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Magnetic Resonance Imaging (MRI)
Diagnostic Test
Lead sponsor
Lineage Cell Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
3
States / cities
Palo Alto, California • Atlanta, Georgia • Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Oct 21, 2026, 7:27 AM EDT
Active, not recruiting No phase listed Observational

The PROspera Kidney Transplant ACTIVE Rejection Assessment Registry (ProActive)

NCT04091984
View directory record Official record
Conditions
Kidney Transplant Rejection
Interventions
Prospera
Diagnostic Test
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
55
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced Oct 21, 2026, 7:27 AM EDT
Completed Phase 3 Interventional Results available

A Trial of Sertraline vs. CBT for End-stage Renal Disease Patients With Depression {ASCEND}

NCT02358343
View directory record Official record
Conditions
Depression, End Stage Renal Disease
Interventions
Engagement Interview, Cognitive Behavioral Therapy, Antidepressant Drug Therapy
Behavioral · Drug
Lead sponsor
University of Washington
Other
Eligibility
21 Years and older
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
3
States / cities
Albuquerque, New Mexico • Dallas, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 21, 2026, 7:27 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Real-World Use of an iPad-Based Light Therapy App, With Optional Biomarker Collection

NCT07744711
View directory record Official record
Conditions
Circadian Rhythms
Interventions
Circadian OS iPad-based light app
Device
Lead sponsor
Circadian OS, Inc
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 21, 2026, 7:27 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Survey of Current Interventional and Diagnostic Imaging Residents After Participation in Endovascular Simulator Training

NCT04832698
View directory record Official record
Conditions
Malignant Vascular Neoplasm
Interventions
Survey Administration
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 21, 2026, 7:27 AM EDT
Completed No phase listed Observational

Expanded Evaluation of the Survivorship Wellness Group Program in the Context of COVID-19 and Telehealth

NCT04630015
View directory record Official record
Conditions
COVID-19 Infection, Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Survey Administration
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
134 participants
Timeline
2020 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Oct 21, 2026, 7:27 AM EDT
Completed Not applicable Interventional Results available

Scoreflex NC - Scoring PTCA Catheter

NCT03763747
View directory record Official record
Conditions
Coronary Artery Disease, Coronary Disease, Myocardial Ischemia, Heart Diseases, Arteriosclerosis, Cardiovascular Diseases
Interventions
Scoreflex NC Scoring PTCA catheter
Device
Lead sponsor
OrbusNeich
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
9
States / cities
Gainesville, Florida • Miami, Florida • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced Oct 21, 2026, 7:27 AM EDT
Completed Not applicable Interventional Results available

Validation of the GenePOC CDiff Assay for the Detection of the Toxin B Gene From Toxigenic Clostridium Difficile Strains

NCT02968758
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
Comparison between GenePOC PCR and Reference Method
Device
Lead sponsor
Meridian Bioscience, Inc.
Industry
Eligibility
Not listed
Enrollment
2,461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
5
States / cities
Indianapolis, Indiana • Baltimore, Maryland • Detroit, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Oct 21, 2026, 7:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Prospective Virtual Study to Evaluate the Longevity of IgG Antibodies in Individuals Exposed to COVID-19

NCT05042193
View directory record Official record
Conditions
SARS-CoV-2 Acute Respiratory Disease
Interventions
SARS-CoV-2
Other
Lead sponsor
Everly Health
Industry
Eligibility
18 Years and older
Enrollment
1,883 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2022 · Synced Oct 21, 2026, 7:27 AM EDT
Completed Phase 3 Interventional

Surgery With or Without Chemotherapy in Treating Patients With Stage I Non-small Cell Lung Cancer

NCT00002852
View directory record Official record
Conditions
Adenocarcinoma of the Lung, Adenosquamous Cell Lung Cancer, Bronchoalveolar Cell Lung Cancer, Large Cell Lung Cancer, Squamous Cell Lung Cancer, Stage IB Non-small Cell Lung Cancer
Interventions
paclitaxel, carboplatin, therapeutic conventional surgery
Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1996
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 3, 2013 · Synced Oct 21, 2026, 7:27 AM EDT
Recruiting No phase listed Observational

Natural History of Sphingosine Phosphate Lyase Insufficiency Syndrome (SPLIS)

NCT06669949
View directory record Official record
Conditions
Sphingosine Phosphate Lyase Insufficiency Syndrome (SPLIS)
Interventions
no intervention
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 21, 2026, 7:27 AM EDT
Recruiting Not applicable Interventional

Medical Cannabis and Behavior

NCT06808048
View directory record Official record
Conditions
Chronic Pain Patients, Medical Cannabis Users
Interventions
Cognitive testing, Task-based fMRI measure of face-name and verbal learning
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
30 Years to 75 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 21, 2026, 7:27 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

UrbanHEAT: Health Behaviors, Outcomes, and Disparities in Individually Experienced Temperature Across an Urban Community

NCT06778252
View directory record Official record
Conditions
Temperature
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 115 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Oct 21, 2026, 7:27 AM EDT
Active, not recruiting No phase listed Observational

Immune Related Toxicity and Symptom Burden in Chronic Cancer Survivors With Melanoma Receiving Adjuvant Immunotherapy With Immune Checkpoint Inhibitors

NCT04990726
View directory record Official record
Conditions
Clinical Stage III Cutaneous Melanoma AJCC v8, Pathologic Stage III Cutaneous Melanoma AJCC v8, Pathologic Stage IIIA Cutaneous Melanoma AJCC v8, Pathologic Stage IIIB Cutaneous Melanoma AJCC v8, Pathologic Stage IIIC Cutaneous Melanoma AJCC v8, Pathologic Stage IIID Cutaneous Melanoma AJCC v8, Melanoma, Stage II, Melanoma Stage IV
Interventions
Assessment, Biospecimen Collection, Quality-of-Life Assessment, Questionnaire Administration
Behavioral · Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 21, 2026, 7:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Effects of Teriflunomide (Aubagio) on Cognitive and Vocational Outcomes in Multiple Sclerosis

NCT02651545
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2021 · Synced Oct 21, 2026, 7:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

4-Repeat Tauopathy Neuroimaging Initiative - Cycle 2

NCT02966145
View directory record Official record
Conditions
Corticobasal Degeneration (CBD), Corticobasal Syndrome (CBS), Cortical-basal Ganglionic Degeneration (CBGD), Progressive Supranuclear Palsy (PSP), Nonfluent Variant Primary Progressive Aphasia (nfvPPA), Oligosymptomatic/Variant Progressive Supranuclear Palsy (o/vPSP)
Interventions
Observational Study
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 80 Years
Enrollment
293 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2024
U.S. locations
7
States / cities
San Diego, California • San Francisco, California • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2025 · Synced Oct 21, 2026, 7:27 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Predictors of Adjuvant Endocrine Therapy in Women With Breast Cancer

NCT02992730
View directory record Official record
Conditions
Breast Cancer Female
Interventions
No Intervention
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
21 Years and older · Female only
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 7, 2019 · Synced Oct 21, 2026, 7:27 AM EDT
Recruiting No phase listed Observational

DESTINY-PANTUMOUR04

NCT07124000
View directory record Official record
Conditions
Adenocarcinoma (NOS), Anal Cancer, Bladder Cancer, Cervical Cancer, Endometrial Cancer, Esophageal Cancer, Gall Bladder Cancer, Gastrointestinal Stromal Tumour, Head and Neck Cancer, Liver Cancer, Melanoma, Mouth Cancer, Nasopharangeal Cancer, Neuroendocrine, Gastrointestinal Cancer, Ovarian Cancer, Pancreatic Cancer, Prostate Cancer, Renal Cell Carcinoma, Salivary Gland Cancer, Sarcoma, Small Cell Lung Cancer, Testicular Cancer, Throat Cancer, Thyroid Cancer, Urethral Cancer, Vaginal Cancer, Vulvar Cancer
Interventions
Trastuzumab deruxtecan
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
18
States / cities
Birmingham, Alabama • Bullhead City, Arizona • Casa Grande, Arizona + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 21, 2026, 7:27 AM EDT