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ClinicalTrials.gov public records Last synced Oct 29, 2026, 5:41 PM EDT

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

Showing 1–24 of 705 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Observational, no intervention Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Project 1: Diet and Exercise Modulate the Sperm Epigenome in Men

NCT04175678
View directory record Official record
Conditions
Healthy Lifestyle, Obese, Men
Interventions
Diet, Exercise, Standard care
Other
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 29, 2026, 5:41 PM EDT
Enrolling by invitation No phase listed Observational

Multimodal Digital Biomarker Prediction of Acute Clinical Deterioration

NCT07817550
View directory record Official record
Conditions
Acute Disease, Disease Progression, Critical Illness, Biomarkers, Aging, Digital Health, Wearable Electronic Devices, Remote Patient Monitoring
Interventions
Multimodal Digital Biomarker Monitoring
Other
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2039
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 29, 2026, 5:41 PM EDT
Completed No phase listed Observational

Chest Wall Repair of Rib Fractures After Trauma

NCT00926991
View directory record Official record
Conditions
Rib Fractures
Interventions
No intervention
Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 22, 2011 · Synced Oct 29, 2026, 5:41 PM EDT
Recruiting No phase listed Observational

Outcomes and Health Care Resource Utilization in Pediatric Congenital Heart Disease Patients Undergoing Non-Cardiac Procedures

NCT04604418
View directory record Official record
Conditions
Congenital Heart Disease in Children
Interventions
No intervention. It is observational
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 21 Years
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
9
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 29, 2026, 5:41 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 29, 2026, 5:41 PM EDT
Completed No phase listed Observational

Body Composition & REE Responses to Bariatric Surgery

NCT00682058
View directory record Official record
Conditions
Weight Loss, Weight Change
Interventions
Follow-up post-bariatric surgery
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 1, 2019 · Synced Oct 29, 2026, 5:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

LURN: Urinary Urgency Phenotyping Protocol

NCT04557748
View directory record Official record
Conditions
Lower Urinary Tract Symptoms
Interventions
Observational, Observational Controls, Central Sensitization, Physical Activity and Sleep Tracker, Physical Activity and Sleep Tracker Controls, Organ-Based, Qualitative Assessment of Patients with Urinary Urgency
Other
Lead sponsor
Arbor Research Collaborative for Health
Other
Eligibility
18 Years and older
Enrollment
1,030 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
6
States / cities
Chicago, Illinois • Iowa City, Iowa • Ann Arbor, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 29, 2026, 5:41 PM EDT
Active, not recruiting No phase listed Observational

Monocyte Distribution Width (MDW) in the General Population of Emergency Department Patients With and Without Bacteremia

NCT05296590
View directory record Official record
Conditions
Bacteremia, Bacteremia Sepsis, Sepsis, Septic Shock, Severe Sepsis, Emergency Departments, Continuity of Patient Care
Interventions
Monocyte Distribution Width (MDW) , observation
Diagnostic Test
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
50,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 29, 2026, 5:41 PM EDT
Recruiting No phase listed Observational

Delineating the Molecular Spectrum and the Clinical, Imaging and Neuronal Phenotype of Chopra-Amiel-Gordon Syndrome

NCT05528744
View directory record Official record
Conditions
Genetic Disease, Chopra-Amiel-Gordon Syndrome, CAGS, ANKRD17
Interventions
Observational Study, Sample collection only
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 29, 2026, 5:41 PM EDT
Completed No phase listed Observational

Fractal Analysis of the Pulmonary Arterial Tree in Pulmonary Hypertension

NCT01135706
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
No Intervention
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 1, 2012 · Synced Oct 29, 2026, 5:41 PM EDT
Terminated No phase listed Observational

Long-Term Follow-Up Safety Monitoring of Patients Dosed in the First-in-Man Phase I/II Study of TT-034.

NCT02315638
View directory record Official record
Conditions
Hepatitis C
Interventions
Not listed
Lead sponsor
Tacere Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 29, 2026, 5:41 PM EDT
Completed No phase listed Observational

The Impact of Tibial Tubercle-trochlear Groove Distance and Patellar Height on the Outcome of Isolated Medial Patellofemoral Ligament Reconstruction

NCT03076008
View directory record Official record
Conditions
Patellar Dislocation
Interventions
Observational
Other
Lead sponsor
University of Minnesota
Other
Eligibility
13 Years to 90 Years
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 29, 2026, 5:41 PM EDT
Completed No phase listed Observational

A Prospective Safety Follow Up Study Of Subjects Enrolled In Study A4321001 And Who Have Received Drug Product

NCT00471224
View directory record Official record
Conditions
Siderosis
Interventions
Observational Trial
Other
Lead sponsor
Pfizer
Industry
Eligibility
55 Years to 90 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
3
States / cities
Boston, Massachusetts • Charlotte, North Carolina • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 17, 2011 · Synced Oct 29, 2026, 5:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Induced Tolerogenic Dendritic Cells as Modulators of Allergic Asthma

NCT01711593
View directory record Official record
Conditions
Asthma, Allergies
Interventions
Bronchoscopy, Segmental Allergen Challenge and Bronchoalveolar Lavage, Phlebotomy
Biological · Procedure
Lead sponsor
Andrew D. Luster, M.D.,Ph.D.
Other
Eligibility
18 Years to 50 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 29, 2026, 5:41 PM EDT
Completed Not applicable Interventional Results available

Algorithm Using LINQ Sensors for Evaluation And Treatment of Heart Failure

NCT04452149
View directory record Official record
Conditions
Heart Failure NYHA Class II, Heart Failure NYHA Class III
Interventions
Reveal LINQ™ Insertable Cardiac Monitor with investigational ALLEVIATE-HF RAMware download, Medication intervention, Not Randomized to Device or Medication Intervention
Device · Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
826 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
53
States / cities
Mesa, Arizona • Jonesboro, Arkansas • Mission Viejo, California + 47 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 29, 2026, 5:41 PM EDT
Recruiting No phase listed Observational

General Pre-Trial Screening Protocol for Infectious Diseases Research

NCT06463704
View directory record Official record
Conditions
Healthy Volunteers
Interventions
There is no intervention
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
250 participants
Timeline
2024 – 2034
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Oct 29, 2026, 5:41 PM EDT
Withdrawn No phase listed Observational

Food Assistance, Diabetes, and HIV

NCT04045184
View directory record Official record
Conditions
Diabetes, HIV/AIDS, FOOD SECURITY
Interventions
Food assistance
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Oct 29, 2026, 5:41 PM EDT
Recruiting Not applicable Interventional

Real-component vs All-cement Articulating Spacers for Periprosthetic Knee Infection

NCT06293352
View directory record Official record
Conditions
Prosthetic-joint Infection, Knee Infection, Arthroplasty Complications, Joint Infection, Arthroplasty, Replacement, Knee
Interventions
All-cement articulating spacer, Durable, real-component articulating spacer, Rigid Spacer
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 29, 2026, 5:41 PM EDT
Completed No phase listed Observational

A Prospective Observational Study to Evaluate Long-term Changes in Cartilage Morphology in Subjects Who Previously Received TPX-100 or Placebo in Study TPX-100-1 for Patellar Osteoarthritis Involving Both Knees

NCT03125499
View directory record Official record
Conditions
Mild to Moderate Knee OA
Interventions
Previous treated with TPX-100
Other
Lead sponsor
OrthoTrophix, Inc
Industry
Eligibility
25 Years to 75 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Covina, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 29, 2026, 5:41 PM EDT
Completed No phase listed Observational

Screening for Colonization With Resistant Enterobacterales in Neutropenic Patients With Hematologic Malignancies

NCT04710212
View directory record Official record
Conditions
Hematologic Malignancy, Leukemia, Acute, Neutropenia, Bloodstream Infection
Interventions
No intervention.
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
6
States / cities
San Francisco, California • Nutley, New Jersey • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Oct 29, 2026, 5:41 PM EDT
Completed No phase listed Observational

Clinical Impact of Red Cell Storage Age

NCT05482737
View directory record Official record
Conditions
RBC Transfusions
Interventions
no intervention
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
33,000 participants
Timeline
2019 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Oct 29, 2026, 5:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-invasive Biometric Monitoring in Nursing Homes to Fight COVID-19

NCT04548895
View directory record Official record
Conditions
Covid19, Community-Acquired Respiratory Tract Infection
Interventions
Observational measurement of biometric data. No change to health care provided.
Device
Lead sponsor
Health Stream Analytics, LLC
Industry
Eligibility
Not listed
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Pasco, Washington
Source: ClinicalTrials.gov public record
Updated Jun 11, 2021 · Synced Oct 29, 2026, 5:41 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 29, 2026, 5:41 PM EDT
Terminated Phase 1 Interventional

Local Ablative Strategies After Endovascular Radioembolization

NCT02611661
View directory record Official record
Conditions
Metastatic Colorectal Cancer
Interventions
PET/MRI, Percutaneous ablation, Stereotactic body radiotherapy
Device · Radiation
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Oct 29, 2026, 5:41 PM EDT