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ClinicalTrials.gov public records Last synced Oct 27, 2026, 10:57 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 649 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: No Intervention/Observational Study Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Digital vs. Parent Modeled Toothbrushing

NCT07441148
View directory record Official record
Conditions
Plaque Reduction
Interventions
MoodBrush Digital Application
Device
Lead sponsor
University of Southern California
Other
Eligibility
3 Years to 6 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 27, 2026, 10:57 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 27, 2026, 10:57 PM EDT
Completed Not applicable Interventional

Intraventricular Hemorrhage and Post Hemorrhagic Ventricular Dilation: Natural Course, Treatment, and Outcome

NCT00957840
View directory record Official record
Conditions
Intraventricular Hemorrhage, Premature Infants
Interventions
NIRS, aEEG, and CSF concentration of biomarkers
Procedure
Lead sponsor
University of Utah
Other
Eligibility
Up to 1 Year
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Oct 27, 2026, 10:57 PM EDT
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 11, 2025 · Synced Oct 27, 2026, 10:57 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The No One Waits Study: Acceptability and Feasibility of Community-based Point-of-diagnosis HCV Treatment Study

NCT03987503
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
Epclusa (SOF/VEL), Standard of care, Fibroscan® 430 Mini Plus
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 64 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational

Heart Rate Changes in Subjects With Epilepsy

NCT01202669
View directory record Official record
Conditions
Epilepsy
Interventions
No intervention planned, observational study only.
Other
Lead sponsor
Cyberonics, Inc.
Industry
Eligibility
Not listed
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Gainesville, Florida • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 7, 2014 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational

Real-World Betaseron Health Economic Outcomes Study for Relapsing Forms of Multiple Sclerosis

NCT01158183
View directory record Official record
Conditions
Multiple Sclerosis, Relapsing-Remitting
Interventions
BAY86-5046_Interferon-beta-1b
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 65 Years
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
27
States / cities
Many Locations, Alabama • Many Locations, California • Many Locations, Colorado + 24 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2010 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effectiveness of Gastrocnemius Stretching

NCT05015088
View directory record Official record
Conditions
Gastrocnemius Tightness
Interventions
No interventions will be performed in this study
Other
Lead sponsor
Regis University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Oct 27, 2026, 10:57 PM EDT
Recruiting No phase listed Observational

Prospective Natural History Study of POLG Disease

NCT07775872
View directory record Official record
Conditions
PolG, Primary Mitochondrial Myopathy
Interventions
Not listed
Lead sponsor
The POLG Foundation
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
7
States / cities
San Diego, California • Aurora, Colorado • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational

Trauma Equivalency Study of the CORA® and TEG® 5000 Systems

NCT02408029
View directory record Official record
Conditions
Trauma
Interventions
Observational study - no intervention
Other
Lead sponsor
Coramed Technologies LLC
Industry
Eligibility
18 Years and older
Enrollment
325 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
3
States / cities
South Bend, Indiana • Portland, Oregon • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2016 · Synced Oct 27, 2026, 10:57 PM EDT
Recruiting Not applicable Interventional

Retrospective-Prospective PNS Study

NCT06845631
View directory record Official record
Conditions
Chronic Pain
Interventions
PNS device, observational study, no intervention during study
Device
Lead sponsor
Curonix LLC
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Oct 27, 2026, 10:57 PM EDT
Recruiting No phase listed Observational

The Parasite and Infestation Study

NCT07849907
View directory record Official record
Conditions
Parasite and Infestation Physician-Patient Diagnostic Incongruency
Interventions
No intervention - observational study
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Family Research Study: Metabolism of Fats and Proteins in Specific Ethnic Groups

NCT00853775
View directory record Official record
Conditions
Healthy, Heart Disease
Interventions
No intervention, observational study
Other
Lead sponsor
University of California, Davis
Other
Eligibility
6 Years and older
Enrollment
325 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Mather, California
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational

Automated Respiration Rate to Improve Accuracy of the Electronic Cardiac Arrest Risk Triage Score (eCART) Algorithm

NCT02399930
View directory record Official record
Conditions
Heart Arrest
Interventions
Respiratory & Heart Rate Data Collection
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 20, 2016 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational

BUMPP: A Study to Better Understand Mood During the Perinatal Period

NCT05537259
View directory record Official record
Conditions
Pregnancy, Postpartum, Mental Health Issue
Interventions
Observation Group
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
168 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Oct 27, 2026, 10:57 PM EDT
Terminated Early Phase 1 Interventional

Geisinger Antibiotic Allergy Pilot Program: Assess and Address

NCT05464615
View directory record Official record
Conditions
Penicillin Allergy
Interventions
Amoxicillin
Drug
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
4
States / cities
Danville, Pennsylvania • Lewiston, Pennsylvania • Scranton, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 27, 2026, 10:57 PM EDT
Recruiting No phase listed Observational

Cerebral/ Cortical Visual Impairment: Screening, Identification and Outcome Prediction in Neonates

NCT07275021
View directory record Official record
Conditions
Preterm Less Than 32wks With IVH, WMI/PVL, Late Preterm or Term (37-42wks) With Neonatal Encephalopathy Treated With Hypothermia for HIE
Interventions
Prospective Clinical and Neurodevelopmental Data Collection
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
31 Weeks to 42 Weeks
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Oct 27, 2026, 10:57 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

GI-Challenge Study for Gastroparesis Patients and Healthy Controls

NCT03896126
View directory record Official record
Conditions
Gastroparesis
Interventions
Observational
Other
Lead sponsor
Stanford University
Other
Eligibility
20 Years to 49 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational

An Observational Study to Evaluate Patient-Reported Experiences of Living With Moderate-to-Severe Plaque Psoriasis

NCT01555606
View directory record Official record
Conditions
Moderate to Severe Plaque Psoriasis
Interventions
No intervention
Other
Lead sponsor
Janssen Biotech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
9
States / cities
Phoenix, Arizona • Sacramento, California • Ann Arbor, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2015 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational

COVID-19 PRIORITY (Pregnancy CoRonavIrus Outcomes RegIsTrY)

NCT04323839
View directory record Official record
Conditions
Pregnancy, Coronavirus, COVID-19
Interventions
Pregnant women under investigation for Coronavirus or diagnosed with COVID-19, Postpartum women under investigation for Coronavirus or diagnosed with COVID-19
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
13 Years and older · Female only
Enrollment
1,333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational

Validation Study of ClassIntra®

NCT03009929
View directory record Official record
Conditions
Patient Safety, Intraoperative Complications, Postoperative Complications, Risk Management
Interventions
Observational study
Other
Lead sponsor
University Hospital, Basel, Switzerland
Other
Eligibility
Up to 110 Years
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 17, 2019 · Synced Oct 27, 2026, 10:57 PM EDT
Completed Not applicable Interventional

Teaching Skin Self -Examination to Melanoma Patients and Their Skin Check Partners

NCT02854657
View directory record Official record
Conditions
Melanoma
Interventions
Skin Self- examination structured training
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 70 Years
Enrollment
682 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 11, 2021 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Identifying Terpenoid- and Carotenoid-modifying Enzymes in the Human Gut

NCT07589166
View directory record Official record
Conditions
Terpene Synthases, Carotenoid Modifying Enzymes
Interventions
No Intervention: Observational Cohort
Other
Lead sponsor
North Carolina State University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated May 20, 2026 · Synced Oct 27, 2026, 10:57 PM EDT
Completed No phase listed Observational

An Observational Study of Environmental and SocioEconomic Factors in Opioid Recovery

NCT03604861
View directory record Official record
Conditions
Opioid-use Disorder, Opioid-related Disorders
Interventions
Not applicable - no defined intervention
Other
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
534 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
35
States / cities
Haleyville, Alabama • Hamilton, Alabama • Little Rock, Arkansas + 30 more
Source: ClinicalTrials.gov public record
Updated Apr 18, 2019 · Synced Oct 27, 2026, 10:57 PM EDT