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ClinicalTrials.gov public records Last synced Sep 28, 2026, 12:15 AM EDT

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Showing 1–24 of 187 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: No intervention. This is an observational study. Clear all
Recruiting No phase listed Observational

PKD Clinical and Translational Core Study

NCT01873235
View directory record Official record
Conditions
Polycystic Kidney Disease
Interventions
Not listed
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 28, 2026, 12:15 AM EDT
Active, not recruiting Phase 2 Interventional

A Phase II Clinical Trial Comparing the Efficacy of RO7198457 Versus Watchful Waiting in Patients With ctDNA-positive, Resected Stage II (High Risk) and Stage III Colorectal Cancer

NCT04486378
View directory record Official record
Conditions
Colorectal Cancer Stage II, Colorectal Cancer Stage III
Interventions
RO7198457 intravenous (IV), Observational group (no intervention)
Drug · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years and older
Enrollment
327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
15
States / cities
Greenbrae, California • Indianapolis, Indiana • Minneapolis, Minnesota + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 28, 2026, 12:15 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 5, 2024 · Synced Sep 28, 2026, 12:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Symptoms of Lower Urinary Tract Dysfunction Phenotyping Study

NCT02485808
View directory record Official record
Conditions
Lower Urinary Tract Symptoms
Interventions
None-observational, Magnetic Resonance Imaging (MRI), Multimodal Automated Sensory Testing System, Auditory Sensitivity Test
Other · Procedure
Lead sponsor
Arbor Research Collaborative for Health
Other
Eligibility
18 Years and older
Enrollment
1,879 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
6
States / cities
Chicago, Illinois • Iowa City, Iowa • Ann Arbor, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 28, 2026, 12:15 AM EDT
Recruiting No phase listed Observational

OverTTuRe: Characteristics, Treatment Patterns and Outcomes of Patients With ATTR Amyloidosis

NCT06355934
View directory record Official record
Conditions
ATTR Amyloidosis
Interventions
no intervention
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
Not listed
Enrollment
52,121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Eden Prairie, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 28, 2026, 12:15 AM EDT
Completed No phase listed Observational

Detection Rate of Serrated Adenomas in Screening Colonoscopy

NCT03442270
View directory record Official record
Conditions
Healthy Patients Undergoing Screening Colonoscopy
Interventions
No Intervention
Other
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years and older
Enrollment
276 participants
Timeline
2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Sep 28, 2026, 12:15 AM EDT
Completed No phase listed Observational Results available

Psoriatic Arthritis Research Collaborative: Biologic Sub-Study

NCT03378336
View directory record Official record
Conditions
Psoriatic Arthritis
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 89 Years
Enrollment
171 participants
Timeline
2017 – 2023
U.S. locations
4
States / cities
New York, New York • Cleveland, Ohio • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Sep 28, 2026, 12:15 AM EDT
Not listed No phase listed Observational

A Prospective, Observational Study of Clinician and Patient-reported Outcomes in Patients With Dermatological Conditions

NCT05084417
View directory record Official record
Conditions
Atopic Dermatitis, Dermatology, Vitiligo, Alopecia Areata, Hidradenitis Suppurativa, Psoriasis
Interventions
N/A This is an observational study
Other
Lead sponsor
OM1, Inc.
Industry
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced Sep 28, 2026, 12:15 AM EDT
Recruiting No phase listed Observational

Cognitive and Vascular Functioning Following TBI

NCT06034509
View directory record Official record
Conditions
Traumatic Brain Injury, Cognitive Decline, Vascular Dementia
Interventions
No intervention. This is an observational study.
Other
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 74 Years
Enrollment
300 participants
Timeline
2023 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Sep 28, 2026, 12:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Draw-10: A Weekly Blood Draw Study to Understand the Biological Variability of Plasma pTau-217

NCT06742944
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Not listed
Lead sponsor
Banner Health
Other
Eligibility
50 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
Phoenix, Arizona • Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Sep 28, 2026, 12:15 AM 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 27, 2023 · Synced Sep 28, 2026, 12:15 AM EDT
Completed No phase listed Observational

A Study to Describe Mothers' and Babies' Outcomes After Exposure to HyQvia During Pregnancy

NCT05803200
View directory record Official record
Conditions
Exposure During Pregnancy
Interventions
No intervention
Drug
Lead sponsor
Takeda
Industry
Eligibility
16 Years to 44 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2023 · Synced Sep 28, 2026, 12:15 AM EDT
Completed No phase listed Observational

Changes in Cytokine Levels During an Acute Exacerbation of Chronic Obstructive Pulmonary Disease

NCT00281242
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Lung Diseases, Obstructive
Interventions
blood draw
Other
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Sep 28, 2026, 12:15 AM EDT
Recruiting Not applicable Interventional

Platform of Randomized Adaptive Clinical Trials in Critical Illness

NCT05440851
View directory record Official record
Conditions
Respiratory Insufficiency, Extracorporeal Membrane Oxygenation Complication, Mechanical Ventilation Pressure High
Interventions
Ultra-Protective Ventilation Facilitated by Extracorporeal Support, Lung-Protective Ventilation (LPV), Driving Pressure-Limited Ventilation (DPL), Lung- and Diaphragm-Protective Ventilation and Sedation (LDPVS), Early Cohort corticosteroid dose, Extended Cohort corticosteroid dose, Usual care without routine corticosteroids, Usual care without extending corticosteroids, Usual care with fludrocortisone, Usual care without fludrocortisone, Drug 4 mL:, Drug 40 mg:, PEEP-20, PEEP-AOP, PEEP-10, VV ECMO-facilitated strategy of earlier awakening, extubation and rehabilitation, Electrical impedance tomography (EIT), no treatment / intervention arm is involved., Usual care, Early Routine IMT
Other · Drug
Lead sponsor
University Health Network, Toronto
Other
Eligibility
18 Years and older
Enrollment
6,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
26
States / cities
Tucson, Arizona • Los Angeles, California • San Diego, California + 19 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 28, 2026, 12:15 AM EDT
Recruiting No phase listed Observational

Registry of Patients Diagnosed With Lysosomal Storage Diseases

NCT05619900
View directory record Official record
Conditions
Mucopolysaccharidosis I, Mucopolysaccharidosis II, Mucopolysaccharidosis IV A, Mucopolysaccharidosis VI, Mucopolysaccharidosis VII, Pompe Disease Infantile-Onset, Neuronopathic Gaucher Disease, Wolman Disease
Interventions
There is no intervention
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
Up to 64 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2050
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 28, 2026, 12:15 AM EDT
Not listed No phase listed Observational

Assessing the Predictive Value of High Frequency Algorithm of PURE EP for Low Amplitude Signal Detection

NCT05450302
View directory record Official record
Conditions
Cardiac Arrhythmias
Interventions
PURE EP (Observational Study)
Other
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2023 · Synced Sep 28, 2026, 12:15 AM EDT
Not listed No phase listed Observational

Hydroxymethylation, Incident Type 2 Diabetes and Incident Obesity

NCT05769439
View directory record Official record
Conditions
Incident Type 2 Diabetes, Incident Obesity
Interventions
No intervention in an observational study
Other
Lead sponsor
Des Moines University
Other
Eligibility
40 Years to 60 Years · Male only
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Des Moines, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 14, 2023 · Synced Sep 28, 2026, 12:15 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 6, 2021 · Synced Sep 28, 2026, 12:15 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Generating Advancements Through Longitudinal Analysis in X and Y Variations (GALAXY)

NCT06373861
View directory record Official record
Conditions
Sex Chromosome Aneuploidy
Interventions
no intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
0 Days to 100 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2037
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Sep 28, 2026, 12:15 AM EDT
Completed No phase listed Observational

Inflammation, Cardiac Sympathetic Innervation, and Arrhythmic Sudden Death

NCT01919983
View directory record Official record
Conditions
Ischemic Cardiomyopathy, Dilated Cardiomyopathy, Inflammation, Sudden Cardiac Death
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Sep 28, 2026, 12:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Neurocircuit Mechanisms of OCD Across the Lifespan

NCT02437773
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Cognitive Behavioral Therapy - Adolescents, Stress Management Therapy - Adolescents, Optional CBT - Adolescents, Cognitive Behavioral Therapy - Adults, Stress Management Therapy - Adults, Optional CBT - Adults, fMRI only - Healthy Control Adults, fMRI only - Healthy Control Adolescents
Behavioral · Other
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 45 Years
Enrollment
206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Sep 28, 2026, 12:15 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

A Study to Assess the Pregnancy Outcome in Women Exposed to Dayvigo® During Pregnancy Compared to an Unexposed Control Population

NCT06744673
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders, Pregnancy
Interventions
No Intervention
Other
Lead sponsor
Eisai Inc.
Industry
Eligibility
16 Years to 49 Years · Female only
Enrollment
861 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Nutley, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced Sep 28, 2026, 12:15 AM EDT
Completed No phase listed Observational

Relationship Between Alcohol Use Disorders and Cortisol Levels in Patients With Sepsis

NCT00615862
View directory record Official record
Conditions
Sepsis, Alcoholism
Interventions
Observational study; no interventions
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 21, 2012 · Synced Sep 28, 2026, 12:15 AM EDT
Completed No phase listed Observational

International Registry of Coronavirus (COVID-19) Exposure in Pregnancy

NCT04366986
View directory record Official record
Conditions
Covid-19
Interventions
Tested for SARS-CoV-2 (regardless of the result), Clinical diagnosis of COVID-19 by a health care professional
Other
Lead sponsor
Pregistry
Industry
Eligibility
18 Years and older · Female only
Enrollment
17,318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 27, 2021 · Synced Sep 28, 2026, 12:15 AM EDT