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ClinicalTrials.gov public records Last synced Oct 6, 2026, 10:59 PM EDT

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

Showing 73–96 of 189 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: No intervention, this is an observational study Clear all
Completed No phase listed Observational

Immune Responses to COVID-19 Infection or Vaccination

NCT05379478
View directory record Official record
Conditions
COVID-19
Interventions
Laboratory assessment of antibody profiles
Diagnostic Test
Lead sponsor
Aditxt, Inc.
Industry
Eligibility
18 Years and older
Enrollment
403 participants
Timeline
2020 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 6, 2026, 10:59 PM EDT
Completed No phase listed Observational

Oncology Research Information Exchange Network (ORIEN) Lung Cancer Study

NCT02803333
View directory record Official record
Conditions
Lung Cancer, Non-small Cell Lung Cancer
Interventions
No Intervention
Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Oct 6, 2026, 10:59 PM EDT
Recruiting No phase listed Observational

A Study in Adults to Learn About Inherited Alpha-1 Antitrypsin Deficiency (AATD) and AATD Related Liver Problems

NCT06512454
View directory record Official record
Conditions
Alpha1-Antitrypsin Deficiency
Interventions
No Intervention
Other
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
3
States / cities
Gainesville, Florida • Charleston, South Carolina • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 6, 2026, 10:59 PM EDT
Completed No phase listed Observational

TrinetX Study of Hypereosinophilic Syndrome (HES) Without an Identifiable Non-haematological Secondary Cause

NCT06172751
View directory record Official record
Conditions
Hypereosinophilic Syndrome (HES)
Interventions
no intervention
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Oct 6, 2026, 10:59 PM EDT
Not listed No phase listed Observational

Patient Empowerment Study

NCT04537676
View directory record Official record
Conditions
Diabetic Foot, Quality of Life, Mental Health Wellness 1, Ulcer Foot, Diabetes Complications
Interventions
No intervention, this is an observational study
Other
Lead sponsor
Podimetrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Somerville, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Oct 6, 2026, 10:59 PM EDT
Recruiting No phase listed Observational

Multi-level Predictors of Structural Racism and Discrimination and Associations With Health and Well-being Across the Life Course in Diverse Families

NCT05744973
View directory record Official record
Conditions
Racially/Ethnically Diverse Families From Urban Settings
Interventions
No intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
8 Years to 18 Years
Enrollment
631 participants
Timeline
2022 – 2028
U.S. locations
2
States / cities
Athens, Georgia • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 6, 2026, 10:59 PM EDT
Enrolling by invitation Not applicable Interventional

TruVascular Access - Ultrasound-Guided Vascular Access Study

NCT07798427
View directory record Official record
Conditions
Peripheral Venous Catheterization, Difficult Intravenous Access, Catheterization, Peripheral
Interventions
Ultrasound-Guided Peripheral Vascular Access, Standard Peripheral Vascular Access, Point-of-Care Ultrasound System for Vascular Access Guidance
Procedure · Device
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
12 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 6, 2026, 10:59 PM EDT
Completed No phase listed Observational

Approaches and Decisions for Acute Pediatric TBI Trial

NCT04077411
View directory record Official record
Conditions
Severe Traumatic Brain Injury
Interventions
Observational
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
Up to 18 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
30
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 25 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2023 · Synced Oct 6, 2026, 10:59 PM EDT
Terminated No phase listed Observational

An Observational Study of Environmental and Socioeconomic Factors in Opioid Recovery - Long Term

NCT04577144
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Online survey only
Other
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 7, 2022 · Synced Oct 6, 2026, 10:59 PM 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 6, 2026, 10:59 PM EDT
Recruiting No phase listed Observational

Alternative Splicing Based Prediction of Chemotherapy Response in Gastric Cancer

NCT07587229
View directory record Official record
Conditions
Gastric Cancer
Interventions
Observational study (no intervention)
Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 6, 2026, 10:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Advancing Stillbirth Prevention Through Innovative Risk Evaluation (ASPIRE) Clinical Study

NCT07669935
View directory record Official record
Conditions
GDM, Preterm Preeclampsia, Preeclampsia, Fetal Growth Restriction (FGR), Pregnancy Complications
Interventions
None (this is an observational study with no intervention)
Other
Lead sponsor
Medicines360
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
5,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
Baton Rouge, Louisiana • Potsdam, New York
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 6, 2026, 10:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Virulence Determinants in S Aureus Bacteremia

NCT00319826
View directory record Official record
Conditions
Bacteremia
Interventions
No intervention
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
1,354 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2013
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Oct 6, 2026, 10:59 PM EDT
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 Oct 6, 2026, 10:59 PM EDT
Completed No phase listed Observational

Salivary Markers in Periodontal Disorders

NCT06576856
View directory record Official record
Conditions
Periodontal Disease, Staging, Salivary Markers, Diagnosis
Interventions
This is an observational study, no intervention is anticipated.
Other
Lead sponsor
Midwestern University
Other
Eligibility
30 Years to 99 Years
Enrollment
106 participants
Timeline
2021 – 2024
U.S. locations
1
States / cities
Downers Grove, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 16, 2025 · Synced Oct 6, 2026, 10:59 PM EDT
Completed Not applicable Interventional Results available

Using Fluorine-18-Labeled Fluoro-Misonidazole Positron Emission Tomography To Detect Hypoxia in Head and Neck Cancer Patients

NCT00606294
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
fluorine-18-labeled fluoro-misonidazole (18F-FMISO), 18F-FMISO PET scan, MRI, FDG PET/CT scan
Radiation · Device
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2023
U.S. locations
5
States / cities
Basking Ridge, New Jersey • Commack, New York • Harrison, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Oct 6, 2026, 10:59 PM EDT
Completed No phase listed Observational

Precision Dosing of Tyrosine Kinase Inhibitors in CML Patients

NCT03885830
View directory record Official record
Conditions
CML, Chronic Phase, CML (Chronic Myelogenous Leukemia, CML - Philadelphia Chromosome, Chronic Myeloid Leukemia, Chronic Myeloid Leukemia, Chronic Phase
Interventions
Bosutinib, Dasatinib, Imatinib, Nilotinib
Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 11, 2023 · Synced Oct 6, 2026, 10:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Development of a Novel Evaluation Scale of Mental Body Representation (MBR) for Adults With Spinal Cord Injury

NCT07029802
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
No intervention
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 6, 2026, 10:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Kesimpta (Ofatumumab) Pregnancy Registry

NCT05634967
View directory record Official record
Conditions
Multiple Sclerosis, Pregnancy
Interventions
Kesimpta
Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
725 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2033
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Oct 6, 2026, 10:59 PM EDT
Not listed No phase listed Observational

Diagnosis of Alzheimer's Disease Using Event Related Potentials

NCT02957227
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
No intervention is part of this study but patients use an EEG device during observational data collection.
Device
Lead sponsor
VA Boston Healthcare System
Federal
Eligibility
50 Years to 100 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 10, 2022 · Synced Oct 6, 2026, 10:59 PM EDT
Recruiting Phase 3 Interventional

A Long-Term Extension Study of Vedolizumab in Children and Teenagers With Ulcerative Colitis (UC) or Crohn's Disease (CD)

NCT06405087
View directory record Official record
Conditions
Ulcerative Colitis, Crohn's Disease
Interventions
Vedolizumab SC, No Intervention
Drug · Other
Lead sponsor
Takeda
Industry
Eligibility
2 Years to 17 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
14
States / cities
Phoenix, Arizona • Loma Linda, California • Orange, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 6, 2026, 10:59 PM EDT
Completed No phase listed Observational

Long-term Recovery: Longitudinal Study of Neuro-behavioral Markers of Recovery and Precipitants of Relapse

NCT04788004
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Online survey
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years and older
Enrollment
733 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 6, 2026, 10:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Functional Connectivity in Alcohol Use Disorder

NCT02877849
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
MRI: Brain Imaging data collection
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 6, 2019 · Synced Oct 6, 2026, 10:59 PM EDT
Recruiting No phase listed Observational

Developing a Decision Instrument to Guide Abdominal-pelvic CT Imaging of Blunt Trauma Patients

NCT04937868
View directory record Official record
Conditions
Abdominal Injury, Pelvic Fracture, Genital Hemorrhage, Lumbar Spine Injury, Hip Injuries, Liver Injury, Spleen Injury, Renal Injury, Diaphragm Injury, Aortic Rupture, Aortic Dissection, Bowel Disease, Vascular System Injuries, Sacral Fracture
Interventions
There are no interventions associated with this study
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
Not listed
Enrollment
12,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 6, 2026, 10:59 PM EDT