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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:24 AM EDT

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

Showing 673–696 of 918 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: No intervention (observational study) Clear all
Recruiting Not applicable Interventional

Primary Care Evidence-based Approach for Improving Lifelong Health

NCT06526312
View directory record Official record
Conditions
Clinical Trial
Interventions
SMS/Text (CAMPI), Fidelity Monitoring (Lyssn and COACH), Family Check-Up 4 Health (FCU4Health)
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
2 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Withdrawn No phase listed Observational

Mucopolysaccharidosis Type II Observational

NCT04591834
View directory record Official record
Conditions
Mucopolysaccharidosis II
Interventions
Observational
Other
Lead sponsor
REGENXBIO Inc.
Industry
Eligibility
1 Month to 8 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Oakland, California • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 10, 2022 · Synced Oct 22, 2026, 5:24 AM EDT
Recruiting No phase listed Observational

Active Surveillance for Cancer of the Prostate (ASCaP)

NCT00949819
View directory record Official record
Conditions
Prostate Cancer
Interventions
Active surveillance
Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
30 Years to 85 Years · Male only
Enrollment
462 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Completed Phase 3 Interventional Results available

Vincristine, Dactinomycin, and Doxorubicin With or Without Radiation Therapy or Observation Only in Treating Younger Patients Who Are Undergoing Surgery for Newly Diagnosed Stage I, Stage II, or Stage III Wilms' Tumor

NCT00352534
View directory record Official record
Conditions
Stage I Kidney Wilms Tumor, Stage II Kidney Wilms Tumor, Stage III Kidney Wilms Tumor
Interventions
3-Dimensional Conformal Radiation Therapy, Biospecimen Collection, Chest Radiography, Computed Tomography, Dactinomycin, Doxorubicin Hydrochloride, Echocardiography Test, Magnetic Resonance Imaging, Therapeutic Conventional Surgery, Ultrasound Imaging, Vincristine Sulfate
Radiation · Procedure · Biological + 1 more
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 29 Years
Enrollment
808 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2026
U.S. locations
210
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 150 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Completed No phase listed Observational

COVID-19 in Patients With HIV

NCT04333953
View directory record Official record
Conditions
HIV/AIDS, COVID-19, SARS-CoV-2
Interventions
No intervention
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
Not listed
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated May 23, 2022 · Synced Oct 22, 2026, 5:24 AM EDT
Recruiting No phase listed Observational

Udall Project 2 Aim 2A&C

NCT05656586
View directory record Official record
Conditions
Parkinson Disease
Interventions
observational-- no intervention
Other
Lead sponsor
University of Minnesota
Other
Eligibility
Not listed
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Recruiting Phase 4 Interventional

Impact of Bromocriptine on Clinical Outcomes for Peripartum Cardiomyopathy

NCT05180773
View directory record Official record
Conditions
Peripartum Cardiomyopathy, Postpartum
Interventions
Bromocriptine, Placebo, Guideline Directed Medical Therapy for Heart Failure (GDMT), Rivaroxaban, Second Placebo
Drug
Lead sponsor
Dennis M. McNamara, MD, MS
Other
Eligibility
18 Years and older · Female only
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
64
States / cities
Birmingham, Alabama • Tucson, Arizona • La Jolla, California + 51 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

An Observational Study to Learn More About Vasomotor Symptoms Burden and Treatment Patterns in Menopausal Women Before and After Participating in OASIS Studies

NCT06949553
View directory record Official record
Conditions
Vasomotor Symptoms (VMS) Associated With Menopause
Interventions
No study intervention
Other
Lead sponsor
Bayer
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Whippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Non-Invasive Preeclampsia Screening and Biobank

NCT06643741
View directory record Official record
Conditions
Preeclampsia (PE)
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
6,550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
21
States / cities
Glendale, Arizona • Newark, Delaware • Miami, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Recruiting No phase listed Observational

Puberty, Testosterone, and Brain Development

NCT06670053
View directory record Official record
Conditions
Gender Identity, Gender Dysphoria in Adolescents and Adults, Headache, Transgender
Interventions
Testosterone
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 20 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Nutraceutical Efficacy for rUTI

NCT03395288
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
D-Mannose
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
20 Years and older · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 4, 2022 · Synced Oct 22, 2026, 5:24 AM 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 22, 2026, 5:24 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Impact of Metformin on Immuno-virologic Parameters in HIV

NCT04500678
View directory record Official record
Conditions
HIV/AIDS
Interventions
Metformin
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
40 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Recruiting No phase listed Observational

Replacing Bone Marrow Diagnostics With Peripheral Blood Analysis in Cytopenia Patients

NCT07081087
View directory record Official record
Conditions
Cytopenia, MDS
Interventions
PERIBLOOD-MDS
Diagnostic Test
Lead sponsor
Weizmann Institute of Science
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
San Diego, California • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Terminated No phase listed Observational

Study on Smoking Cessation and Cost Outcomes in the Duke Smoking Cessation Program

NCT02845687
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 13, 2019 · Synced Oct 22, 2026, 5:24 AM EDT
Recruiting No phase listed Observational

Clinical Outcomes in Prostate Cancer Patients Undergoing HIFU Ablation

NCT07203482
View directory record Official record
Conditions
Prostate Cancer
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
40 Years to 95 Years · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2050
U.S. locations
2
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Infliximab to Treat Crohn'S-like Inflammatory Bowel Disease in Chronic Granulomatous Disease

NCT00325078
View directory record Official record
Conditions
Chronic Granulomatous Disease, Crohn'S-like IBD, Inflammatory Bowel Disease (IBD)
Interventions
Infliximab
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
10 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 29, 2015 · Synced Oct 22, 2026, 5:24 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Two Point Discrimination

NCT03686748
View directory record Official record
Conditions
Ehlers-Danlos Syndrome (EDS), Complex Regional Pain Syndrome (CRPS), Amplified Musculoskeletal Pain Syndrome (AMPS), Low Back Pain, Fibromyalgia, Chronic Widespread Pain
Interventions
Two-point discrimination training, One-point discrimination training
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced Oct 22, 2026, 5:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Functional Performance of Voluntary Opening and Closing Body Powered Prostheses

NCT02136238
View directory record Official record
Conditions
Upper Limb Amputation
Interventions
Hosmer 5XA voluntary opening hook, TRS Grip 3 voluntary closing hook
Device
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 85 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 28, 2023 · Synced Oct 22, 2026, 5:24 AM EDT
Recruiting No phase listed Observational

Colonoscopic Detection of Phosphorylated Alpha-synuclein for Parkinson's Diagnosis

NCT07204652
View directory record Official record
Conditions
PARKINSON DISEASE (Disorder), Parkinson, Parkinson's Disease and Parkinsonism, Parkinson Disease
Interventions
No Intervention: Observational Cohort
Diagnostic Test
Lead sponsor
CND Life Sciences
Other
Eligibility
40 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Oct 22, 2026, 5:24 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Intergenerational Effects of Paternal Periconceptional Cannabis and Other Drug Use (EPIC)

NCT04436055
View directory record Official record
Conditions
Cannabis Use, Drug Use, Development, Infant
Interventions
No Intervention will be used
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 40 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 3, 2023 · Synced Oct 22, 2026, 5:24 AM EDT
Completed Not applicable Interventional

ElectroNic Hydroxyurea AdhereNCE: A Strategy to Improve Hydroxyurea Adherence in Patients With Sickle Cell Disease

NCT02578017
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Mobile DOT
Behavioral
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
Up to 19 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Oct 22, 2026, 5:24 AM EDT
Active, not recruiting Not applicable Interventional Results available

Screening for Prostate Cancer in Older Patients (PLCO Screening Trial)

NCT00002540
View directory record Official record
Conditions
Prostate Carcinoma
Interventions
Laboratory Biomarker Analysis, Medical Examination Assessment, Screening Questionnaire Administration
Other · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
55 Years to 74 Years · Male only
Enrollment
76,685 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 22, 2026, 5:24 AM 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 22, 2026, 5:24 AM EDT