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ClinicalTrials.gov public records Last synced Nov 6, 2026, 5:15 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 331 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Observational data collection Clear all
Recruiting No phase listed Observational

Caris Chromoseq Data Collection

NCT07680868
View directory record Official record
Conditions
Acute Myeloid Leukemia (AML), Myelodysplastic (MDS) / Myeloproliferative (MPN) Diseases, Myelodysplatic Syndromes, Myeloproliferative Neoplasm
Interventions
Caris Chromoseq
Diagnostic Test
Lead sponsor
Caris Science, Inc.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Not listed No phase listed Observational Accepts healthy volunteers

Study of Low-dose Naltrexone in Chronic Migraine With Fibromyalgia

NCT05536050
View directory record Official record
Conditions
Chronic Migraine, Fibromyalgia, New Daily Persistent Headache
Interventions
Migraine diary and Questionnaires
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 27, 2022 · Synced Nov 6, 2026, 5:15 AM EST
Not listed No phase listed Observational Accepts healthy volunteers

500 "Normal" Adult Subjects Who Have Experienced no Known Brain Injury Will Participate in Collecting Data That Will Assist With the Optimization of the Diagnostic Capabilities of the Harmony in Detecting Neurologic Abnormalities.

NCT05203393
View directory record Official record
Conditions
Cranial Waveform in Normal Patients as a Result of Cardiac Cycle, Healthy
Interventions
Harmony Headset
Device
Lead sponsor
MindRhythm, Inc.
Industry
Eligibility
18 Years to 100 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Cupertino, California
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Nov 6, 2026, 5:15 AM EST
Terminated No phase listed Observational

Suspected Cases of Carbon Monoxide Poisoning in the ED

NCT03004235
View directory record Official record
Conditions
Carbon Monoxide Poisoning
Interventions
Observational data collection
Device
Lead sponsor
Nonin Medical, Inc
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Nov 6, 2026, 5:15 AM EST
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 Nov 6, 2026, 5:15 AM EST
Recruiting No phase listed Observational

Recurrence Post-transplant Observational Study in Focal Segmental Glomerulosclerosis and Minimal Change Disease

NCT05650619
View directory record Official record
Conditions
Focal Segmental Glomerulosclerosis, Minimal Change Disease, FSGS, MCD
Interventions
Biospecimen collection, Data collection
Other
Lead sponsor
University of Michigan
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Withdrawn No phase listed Observational Accepts healthy volunteers

Panc CA Risk Model & Biomarker Testing In High-Risk Cohort

NCT05287347
View directory record Official record
Conditions
Pancreatic Adenocarcinoma
Interventions
Blood Specimen
Diagnostic Test
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
50 Years to 100 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Nov 6, 2026, 5:15 AM EST
Completed Phase 1Phase 2 Interventional Results available

CBD for Dental Pain

NCT04642404
View directory record Official record
Conditions
Odontalgia, Toothache
Interventions
Epidiolex 100 mg/mL Oral Solution, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 75 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 9, 2024 · Synced Nov 6, 2026, 5:15 AM EST
Enrolling by invitation No phase listed Observational

A Study Involving Collection of Samples and Data From Sarcoma Patients Receiving Immunotherapy

NCT06113315
View directory record Official record
Conditions
Sarcoma
Interventions
Not listed
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Community Genetic Navigation Engagement Specialists to Increase Knowledge About Colorectal Cancer Genetics in Hispanic/Latino/a Communities

NCT07276048
View directory record Official record
Conditions
Colorectal Carcinoma
Interventions
Discussion, Educational Intervention, Interview, Survey Administration
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Completed No phase listed Observational

Pulse Oximetry Errors in Hospitalized Patients Across Varying Skin Pigmentation

NCT05554510
View directory record Official record
Conditions
Hypoxemia, Pulse Oximetry, Skin Pigment
Interventions
Observational
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
757 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 17, 2025 · Synced Nov 6, 2026, 5:15 AM EST
Completed No phase listed Observational

Collecting and Storing Biological Samples From Patients With Ewing Sarcoma

NCT00899990
View directory record Official record
Conditions
Askin Tumor, Localized Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor, Metastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor, Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor
Interventions
Laboratory Biomarker Analysis
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 21 Years
Enrollment
908 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2023
U.S. locations
166
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 120 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Nov 6, 2026, 5:15 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Accuracy Verification of the INVOS PM7100

NCT07166341
View directory record Official record
Conditions
Tissue Oxygenation
Interventions
Observational
Device
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 46 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Active, not recruiting No phase listed Observational

NCI COVID-19 in Cancer Patients, NCCAPS Study

NCT04387656
View directory record Official record
Conditions
COVID-19 Infection, Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm, Metastatic Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Data Collection, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
1,877 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
928
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 589 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Active, not recruiting No phase listed Observational

A Study to Evaluate Long-Term Safety of Vumerity and Tecfidera in Participants With Multiple Sclerosis (MS)

NCT05767736
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Diroximel Fumarate, Dimethyl Fumarate, Disease-Modifying Therapies (DMTs)
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years and older
Enrollment
10,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Recruiting No phase listed Observational

Observational Study Designed to Detect Decompensation of Congestive Heart Failure (dCHF) Using a Non-Invasive Wearable Device

NCT07350759
View directory record Official record
Conditions
Decompensated Chronic Heart Failure
Interventions
wearable ring device with multiple embedded sensors to detect heart rate, SVO2, respiratory rate, heart rate variability and a number of other related physiologic parameters
Device
Lead sponsor
CHFDX,Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Terminated Phase 1Phase 2 Interventional Results available

hCT-MSCs for COVID19 ARDS

NCT04399889
View directory record Official record
Conditions
COVID, Corona Virus Infection, COVID19
Interventions
Human cord tissue mesenchymal stromal cells (hCT-MSC) manufactured by Duke University., Placebo
Biological · Other
Lead sponsor
Joanne Kurtzberg, MD
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
5
States / cities
Boca Raton, Florida • Miami, Florida • Valhalla, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2022 · Synced Nov 6, 2026, 5:15 AM EST
Completed No phase listed Observational

Risks of Bacterial and Fungal Superinfection in Patients With COVID-19

NCT05256316
View directory record Official record
Conditions
COVID-19
Interventions
Previously admitted COVID-19 patients in intensive care units
Other
Lead sponsor
The University of Queensland
Other
Eligibility
18 Years and older
Enrollment
790 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 22, 2023 · Synced Nov 6, 2026, 5:15 AM EST
Completed No phase listed Observational Accepts healthy volunteers

Activating Voice Journaling for Mental Health With Voice Biomarkers

NCT07789808
View directory record Official record
Conditions
Depression / Major Depressive Disorder, Anxiety
Interventions
Not listed
Lead sponsor
Kintsugi Mindful Wellness, Inc.
Industry
Eligibility
Not listed
Enrollment
50,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Completed No phase listed Observational Accepts healthy volunteers Results available

The Safety of Boostrix Following Routine Immunization of Pregnant Women

NCT03463577
View directory record Official record
Conditions
Whooping Cough
Interventions
Safety assessment following routine immunization with Boostrix
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Female only
Enrollment
65,783 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Nov 6, 2026, 5:15 AM EST
Not listed No phase listed Observational

Blood Purification With Seraph 100 Microbind Affinity Blood Filter for Treatment of Severe COVID19 Observational Study

NCT04606498
View directory record Official record
Conditions
Covid19
Interventions
Observational
Other
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
14
States / cities
Los Angeles, California • Aurora, Colorado • Orlando, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Nov 6, 2026, 5:15 AM EST
Completed Phase 2 Interventional

Nivolumab Maintenance in Newly Diagnosed PCNSL With Persistent CSF Circulating Tumor DNA After Completion of First-Line Chemotherapy

NCT04401774
View directory record Official record
Conditions
Primary Central Nervous System Lymphoma (PCNSL)
Interventions
Nivolumab
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Recruiting No phase listed Observational

ASF Alport Patient Registry

NCT06526741
View directory record Official record
Conditions
Alport Syndrome, Thin Basement Membrane Disease, Hereditary Nephritis
Interventions
Longitudinal data collection
Other
Lead sponsor
Alport Syndrome Foundation
Other
Eligibility
0 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2048
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Nov 6, 2026, 5:15 AM EST
Recruiting No phase listed Observational Accepts healthy volunteers

Multi-Cancer Detection Observational Cohort Study

NCT06962995
View directory record Official record
Conditions
Cancer
Interventions
Blood Sample, Surveys
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Nov 6, 2026, 5:15 AM EST