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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:54 AM EDT

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

Showing 649–672 of 918 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: No intervention (observational study) Clear all
Recruiting No phase listed Observational

Identifying Cerebral Hemodynamic Patterns in Mood Disorders and Mild Cognitive Impairment: A Functional Near-Infrared Spectroscopy (fNIRS) Study

NCT06897670
View directory record Official record
Conditions
Major Depressive Disorder, Bipolar Disorder, Mild Cognitive Impairment
Interventions
Observational assessment using functional near-infrared spectroscopy (fNIRS), a noninvasive, portable brain imaging tool that measures changes in brain blood flow and oxygen levels.
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Timeline
2025 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 22, 2026, 4:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Related Health and Infection Control Practices Among Dentists

NCT04423770
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2
Interventions
No intervention
Other
Lead sponsor
American Dental Association
Other
Eligibility
18 Years and older
Enrollment
2,196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Oct 22, 2026, 4:54 AM EDT
Terminated Not applicable Interventional

Home Based Exercise Program for Elderly Cancer Patients

NCT01990066
View directory record Official record
Conditions
Cancer Related Fatigue
Interventions
Home Based Exercise
Behavioral
Lead sponsor
Duke University
Other
Eligibility
65 Years and older · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 24, 2014 · Synced Oct 22, 2026, 4:54 AM EDT
Completed Phase 1 Interventional

Safety and Efficacy Study of HER2/Neu (E75) Vaccine in Node-Positive Breast Cancer Patients

NCT00841399
View directory record Official record
Conditions
Breast Cancer
Interventions
E75 + GM-CSF vaccine
Biological
Lead sponsor
COL George Peoples, MD, FACS
Federal
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2013
U.S. locations
2
States / cities
Bethesda, Maryland • Windber, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 31, 2020 · Synced Oct 22, 2026, 4:54 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

MOON Onsite MRI 10 Years After ACL Reconstruction

NCT04660955
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
No Intervention - Observational study with MRI
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
22 Years to 45 Years
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 22, 2026, 4:54 AM EDT
Completed No phase listed Observational

Using Genomic Analysis to Guide Individual Treatment in Glioblastoma

NCT02725684
View directory record Official record
Conditions
Glioblastoma
Interventions
Observational study, no intervention
Other
Lead sponsor
Rockefeller University
Other
Eligibility
3 Years to 100 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
7
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Oct 22, 2026, 4:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Diagnostic Device for the Assessment of Pulpal Blood Flow

NCT03578549
View directory record Official record
Conditions
Dental Pulp Test
Interventions
Pulse Oximetry
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 22, 2026, 4:54 AM EDT
Not listed No phase listed Observational

TruGraf® Long-term Clinical Outcomes Study

NCT04491552
View directory record Official record
Conditions
Kidney Transplant Rejection
Interventions
Patients monitored with TruGraf and TRAC testing
Diagnostic Test
Lead sponsor
Transplant Genomics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
36
States / cities
Tucson, Arizona • Fresno, California • La Jolla, California + 28 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Oct 22, 2026, 4:54 AM EDT
Completed No phase listed Observational

Multi-Drug Resistant Organism (MDRO): Study of Highly Resistant Escherichia Coli

NCT04574596
View directory record Official record
Conditions
E Coli Infection
Interventions
no Intervention
Other
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
300 participants
Timeline
2020 – 2021
U.S. locations
13
States / cities
Torrance, California • Aurora, Colorado • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2021 · Synced Oct 22, 2026, 4:54 AM EDT
Withdrawn No phase listed Observational

Defining Musical Toxicity and Its Effect on Patient Well-being

NCT06494046
View directory record Official record
Conditions
Breast Carcinoma, Esophageal Carcinoma, Head and Neck Carcinoma, Lung Carcinoma, Malignant Brain Neoplasm, Malignant Solid Neoplasm
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 22, 2026, 4:54 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 22, 2026, 4:54 AM EDT
Completed No phase listed Observational

Sickle Cell Uric Acid (SCUA) - Cohort Repository

NCT04190888
View directory record Official record
Conditions
Chronic Kidney Diseases, Sickle Cell Disease
Interventions
No intervention
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
5 Years to 29 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 4, 2022 · Synced Oct 22, 2026, 4:54 AM EDT
Completed Phase 3 Interventional Results available

Vincristine, Carboplatin, and Etoposide or Observation Only in Treating Patients Who Have Undergone Surgery for Newly Diagnosed Retinoblastoma

NCT00335738
View directory record Official record
Conditions
Intraocular Retinoblastoma
Interventions
liposomal vincristine sulfate, carboplatin, etoposide
Drug
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 6 Years
Enrollment
331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2020
U.S. locations
48
States / cities
Birmingham, Alabama • Tucson, Arizona • Arcadia, California + 40 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 22, 2026, 4:54 AM EDT
Terminated No phase listed Observational

"Natural History" Study of Choroideremia

NCT02994368
View directory record Official record
Conditions
Choroideremia
Interventions
Observation
Other
Lead sponsor
4D Molecular Therapeutics
Industry
Eligibility
18 Years and older · Male only
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
3
States / cities
Dallas, Texas • Houston, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 6, 2022 · Synced Oct 22, 2026, 4:54 AM EDT
Completed Phase 3 Interventional Results available

Surgery and Combination Chemotherapy in Treating Children With Extracranial Germ Cell Tumors

NCT00053352
View directory record Official record
Conditions
Childhood Embryonal Tumor, Childhood Extracranial Germ Cell Tumor, Childhood Extragonadal Germ Cell Tumor, Childhood Malignant Ovarian Germ Cell Tumor, Childhood Malignant Testicular Germ Cell Tumor, Childhood Teratoma, Ovarian Embryonal Carcinoma, Ovarian Yolk Sac Tumor, Stage II Malignant Testicular Germ Cell Tumor, Stage IIA Ovarian Germ Cell Tumor, Stage IIB Ovarian Germ Cell Tumor, Stage IIC Ovarian Germ Cell Tumor, Stage III Malignant Testicular Germ Cell Tumor, Stage IIIA Ovarian Germ Cell Tumor, Stage IIIB Ovarian Germ Cell Tumor, Stage IIIC Ovarian Germ Cell Tumor, Testicular Choriocarcinoma and Yolk Sac Tumor, Testicular Embryonal Carcinoma
Interventions
conventional surgery, cisplatin, etoposide, bleomycin sulfate, laboratory biomarker analysis
Procedure · Drug · Biological + 1 more
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 21 Years
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2021
U.S. locations
112
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 98 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Oct 22, 2026, 4:54 AM EDT
Terminated No phase listed Observational

COVID Cohort Study

NCT04393155
View directory record Official record
Conditions
COVID-19, Acute Respiratory Failure
Interventions
COVID-19+ observational
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 12, 2021 · Synced Oct 22, 2026, 4:54 AM EDT
Terminated No phase listed Observational

Observational Study of COVID-19 Treatment Efficacy

NCT04369989
View directory record Official record
Conditions
Coronavirus, Coronavirus Infection, Corona Virus Infection, COVID, Sars-CoV2, Coronavirus as the Cause of Diseases Classified Elsewhere, SARS-Associated Coronavirus as Cause of Disease Classified Elsewhere, COVID-19, Coronavirus Disease, Coronavirus Sars-Associated as Cause of Disease Classified Elsewhere
Interventions
No intervention
Other
Lead sponsor
OSF Healthcare System
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 29, 2022 · Synced Oct 22, 2026, 4:54 AM EDT
Not listed Not applicable Interventional

Iyengar Yoga Therapy for Dysmenorrhea and Endometriosis

NCT03784976
View directory record Official record
Conditions
Secondary Dysmenorrhea, Dysmenorrhea, Dysmenorrhea Secondary, Polycystic Ovary Syndrome, Endometriosis, Fibroid, Menstrual Pain, Menstrual Disorder, Menstrual Discomfort
Interventions
Iyengar Yoga Therapy
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
12 Years to 65 Years · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 24, 2018 · Synced Oct 22, 2026, 4:54 AM EDT
Completed Not applicable Interventional

Exercise in Adults with Post-Acute Sequelae of SARS-CoV-2 (COVID-19) Infection Study

NCT05218174
View directory record Official record
Conditions
COVID-19
Interventions
Exercise Prescription
Other
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Frisco, Texas
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Oct 22, 2026, 4:54 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 22, 2026, 4:54 AM EDT
Terminated Not applicable Interventional Results available

Developing a Pain Identification and Communication Toolkit

NCT03853291
View directory record Official record
Conditions
Dementia, Chronic Pain
Interventions
PICT Workbook, Information Pamphlet
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years to 100 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 7, 2022 · Synced Oct 22, 2026, 4:54 AM EDT
Recruiting No phase listed Observational

Prospective Validation of the Novel PVD-B65 Risk Score in Patients With Chronic Lung Disease and Pulmonary Hypertension

NCT07151768
View directory record Official record
Conditions
Chronic Lung Disease, Pulmonary Hypertension
Interventions
Observational Study
Diagnostic Test
Lead sponsor
Temple University
Other
Eligibility
18 Years to 99 Years
Enrollment
100 participants
Timeline
2025 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Oct 22, 2026, 4:54 AM EDT
Enrolling by invitation No phase listed Observational

Physical Acvitiy in Pregnancy

NCT07356180
View directory record Official record
Conditions
Pregnant Women, Gestational Diabetes, Obese But Otherwise Healthy Participants, Overweight (BMI > 25), Gestational Diabetes Mellitus in Pregnancy
Interventions
Pregnancy Physical Activity Questionnaire (PPAQ)
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 22, 2026, 4:54 AM EDT
Completed No phase listed Observational

The ADAPT Study: Assessment of the DiAgnostic Performance of DeepVessel FFR in SuspecTed Coronary Artery Disease

NCT04828590
View directory record Official record
Conditions
Coronary Artery Disease, Myocardial Ischemia
Interventions
No intervention
Other
Lead sponsor
Keya Medical
Industry
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
5
States / cities
Fort Lauderdale, Florida • Kansas City, Kansas • Portland, Oregon + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2022 · Synced Oct 22, 2026, 4:54 AM EDT