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ClinicalTrials.gov public records Last synced Oct 30, 2026, 6:20 PM EDT

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

Showing 505–528 of 1,067 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: No intervention (observational) Clear all
Recruiting Phase 4 Interventional Accepts healthy volunteers

Covid-19 Long Haul Preventative and Health Promotion Care Clinical Trial Acceleration Program.

NCT06441955
View directory record Official record
Conditions
COVID-19, Long Haul
Interventions
Ritonavir-Boosted Nirmatrelvir (Paxlovid), Physiological Evaluation, Moderna COVID-19 Vaccine, Biopsychological, Behavioral (e.g., Psychotherapy, Lifestyle Counseling), Genetic (including gene transfer, stem cell and recombinant DNA), Multidisciplinary approach
Drug · Diagnostic Test · Biological + 3 more
Lead sponsor
Well- Konnect Healthcare Services and Research Firm
Network
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 27, 2024 · Synced Oct 30, 2026, 6:20 PM EDT
Completed Not applicable Interventional Results available

Feasibility Trial Using an Inpatient Insulin Dosing Calculator

NCT06206525
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Initial insulin dosing calculator
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 30, 2026, 6:20 PM EDT
Withdrawn No phase listed Observational

Post-Market Observational Study of Intra-Renal Drug Delivery

NCT00716404
View directory record Official record
Conditions
Targeted Renal Therapy
Interventions
Targeted Renal Therapy
Device
Lead sponsor
FlowMedica, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
4
States / cities
La Jolla, California • Owensboro, Kentucky • Lafayette, Louisiana + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2010 · Synced Oct 30, 2026, 6:20 PM EDT
Terminated Phase 2 Interventional Results available

Tivozanib As Maintenance Therapy In GYN

NCT01972516
View directory record Official record
Conditions
Ovarian Cancer, Fallopian Tube Cancer, Primary Peritoneal Carcinoma
Interventions
Tivozanib
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Oct 30, 2026, 6:20 PM EDT
Completed No phase listed Observational

Outcome of Patients With Mild Head Injury and Presence of an Acute Traumatic Abnormality on CT Scan of Head

NCT04143347
View directory record Official record
Conditions
Minor Head Injury
Interventions
No Intervention
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 29, 2019 · Synced Oct 30, 2026, 6:20 PM EDT
Active, not recruiting Phase 2 Interventional

RGX-314 Gene Therapy Administered in the Suprachoroidal Space for Participants With Diabetic Retinopathy (DR) With and Without Center Involved-Diabetic Macular Edema (CI-DME)

NCT04567550
View directory record Official record
Conditions
Diabetic Retinopathy (DR), Center-Involved Diabetic Macular Edema (CI-DME)
Interventions
ABBV-RGX-314 Dose 1, ABBV-RGX-314 Dose 2, ABBV-RGX-314 Dose 3, Topical Steroid, ABBV-RGX-314 Dose 4, Aflibercept
Genetic · Drug · Biological
Lead sponsor
AbbVie
Industry
Eligibility
25 Years to 89 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
25
States / cities
Phoenix, Arizona • Bakersfield, California • Beverly Hills, California + 21 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 30, 2026, 6:20 PM EDT
Recruiting No phase listed Observational

Refractive Outcomes Utilizing Two SS-OCT Biometers for IOL Power Calculations

NCT06801678
View directory record Official record
Conditions
Cataract
Interventions
Not listed
Lead sponsor
The Eye institute of Utah
Other
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Oct 30, 2026, 6:20 PM EDT
Completed No phase listed Observational

Obesity Alters Lung Mechanics in Robotic Surgery

NCT04329910
View directory record Official record
Conditions
Obesity, Surgery, Anesthesia
Interventions
no intervention
Other
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Oct 30, 2026, 6:20 PM EDT
Completed Early Phase 1 Interventional

Window of Opportunity Study Targeting the Inflammatory Milieu

NCT01881048
View directory record Official record
Conditions
Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
Omega-3 fatty acid, Celecoxib
Dietary Supplement · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 30, 2026, 6:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Recovery Study: Symptoms and Biomarkers of Long COVID-19 in People Living With and Without HIV

NCT04958889
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV2), HIV
Interventions
No intervention
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
392 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2024 · Synced Oct 30, 2026, 6:20 PM EDT
Suspended No phase listed Observational

Clinical Characteristics of Parkinson's Disease Subjects With Severe Hypertension During Motor OFFs.

NCT03433950
View directory record Official record
Conditions
Parkinson Disease, Hypertension, Antiparkinsonism Drugs Causing Adverse Effects in Therapeutic Use
Interventions
No Intervention
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 99 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 16, 2021 · Synced Oct 30, 2026, 6:20 PM EDT
Not listed No phase listed Observational

Analysis of Donor Milk

NCT05742815
View directory record Official record
Conditions
Breast Milk Collection, Nutrition Disorder, Infant
Interventions
No intervention
Other
Lead sponsor
Augusta University
Other
Eligibility
Not listed
Enrollment
20 participants
Timeline
2022 – 2023
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 24, 2023 · Synced Oct 30, 2026, 6:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Delayed Sleep Timing in Teens Study

NCT03806296
View directory record Official record
Conditions
Delayed Sleep Phase
Interventions
Increase morning bright light, Decrease evening blue light, Sleep scheduling, Monitor sleep, mood, and substance use
Other · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
16 Years to 19 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 30, 2026, 6:20 PM EDT
Not listed No phase listed Observational

Sensor-based Characterization of Depression

NCT04370002
View directory record Official record
Conditions
Unipolar Depression
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 3, 2023 · Synced Oct 30, 2026, 6:20 PM EDT
Completed Not applicable Interventional Results available

Scoliosis-Specific Exercises for At-Risk AIS Curves

NCT02807545
View directory record Official record
Conditions
Adolescent Idiopathic Scoliosis
Interventions
Scoliosis Specific Exercises
Behavioral
Lead sponsor
Texas Scottish Rite Hospital for Children
Other
Eligibility
10 Years to 17 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
6
States / cities
Louisville, Kentucky • Baltimore, Maryland • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced Oct 30, 2026, 6:20 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 30, 2026, 6:20 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Clinical Applications of Advanced Ophthalmic Imaging

NCT03135327
View directory record Official record
Conditions
Multiple Sclerosis, Dry Eye Syndromes, Diabetic Retinopathy, Presbyopia, Myopia, Dementia
Interventions
Ocufolin
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 99 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2029
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 30, 2026, 6:20 PM EDT
Enrolling by invitation No phase listed Observational

Physical Acvitiy in Pregnancy

NCT07356180
View directory record Official record
Conditions
Pregnant Women, Gestational Diabetes, Obese But Otherwise Healthy Participants, Overweight (BMI > 25), Gestational Diabetes Mellitus in Pregnancy
Interventions
Pregnancy Physical Activity Questionnaire (PPAQ)
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 30, 2026, 6:20 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Theater Experience on Older Adults Living in Retirement Communities

NCT04582370
View directory record Official record
Conditions
Aging
Interventions
theater program
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
62 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 13, 2024 · Synced Oct 30, 2026, 6:20 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Measuring Cortisol Levels in Persons With Parkinson's (PD)

NCT02727270
View directory record Official record
Conditions
Parkinson Disease, Huntington Disease
Interventions
No Intervention - Observational Study
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 99 Years
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 22, 2023 · Synced Oct 30, 2026, 6:20 PM EDT
Completed No phase listed Observational

Chronic HIV Infection and Aging in NeuroAIDS (CHAIN)

NCT01186042
View directory record Official record
Conditions
HIV, Aging
Interventions
Observational
Other
Lead sponsor
University of Nebraska
Other
Eligibility
20 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 30, 2026, 6:20 PM EDT
Recruiting No phase listed Observational

Genotype and Phenotype Correlation in Hereditary Thrombotic Thrombocytopenic Purpura (Upshaw-Schulman Syndrome)

NCT01257269
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura, Congenital Thrombotic Thrombocytopenic Purpura, Familial Thrombotic Thrombocytopenic Purpura, Thrombotic Thrombocytopenic Purpura, Congenital, Upshaw-Schulman Syndrome
Interventions
Observation
Other
Lead sponsor
Insel Gruppe AG, University Hospital Bern
Other
Eligibility
Not listed
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2030
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Oct 30, 2026, 6:20 PM EDT
Recruiting No phase listed Observational

The Gut Microbiome and Serum Metabolites as a Biological Mechanism Underlying Pain in Kidney Transplantation

NCT06206486
View directory record Official record
Conditions
Kidney Transplant Symptoms, Gut Microbiome
Interventions
no intervention, observational
Other
Lead sponsor
University of Illinois Chicago
Other
Eligibility
18 Years and older
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 30, 2026, 6:20 PM EDT
Recruiting No phase listed Observational

ASF Alport Patient Registry

NCT06526741
View directory record Official record
Conditions
Alport Syndrome, Thin Basement Membrane Disease, Hereditary Nephritis
Interventions
Longitudinal data collection
Other
Lead sponsor
Alport Syndrome Foundation
Other
Eligibility
0 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2048
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 30, 2026, 6:20 PM EDT