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ClinicalTrials.gov public records Last synced Sep 23, 2026, 9:28 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: n/a - observational study Clear all
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Cytokeratin 18 Non-invasive Biomarker for Rejection in Liver Transplant Patients

NCT06153641
View directory record Official record
Conditions
Liver Transplant Rejection, Liver Transplant Failure and Rejection
Interventions
N/A-Observational Study
Other
Lead sponsor
St. Louis University
Other
Eligibility
1 Year and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Skin Hydration and Facial Aging in Women Aged 30-60: An Observational Correlational Study Using Bioimpedance Analysis

NCT07564869
View directory record Official record
Conditions
Skin Aging, Skin Hydration, Facial Aging, Transepidermal Water Loss
Interventions
BT-Analyze Bioimpedance Measurement
Other
Lead sponsor
IAS Skin Care
Industry
Eligibility
30 Years to 60 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Winter Garden, Florida
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational

Initial and Chronic Methicillin Resistant Staphylococcus Aureus (MRSA) Infection in Cystic Fibrosis (CF)

NCT02684422
View directory record Official record
Conditions
Methicillin-Resistant Staphylococcus Aureus, Cystic Fibrosis
Interventions
Intervention N/A. Observational study
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
4 Years to 99 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
3
States / cities
Birmingham, Alabama • Chapel Hill, North Carolina • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational

TrinetX Study of Hypereosinophilic Syndrome (HES) Without an Identifiable Non-haematological Secondary Cause

NCT06172751
View directory record Official record
Conditions
Hypereosinophilic Syndrome (HES)
Interventions
no intervention
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
Not listed
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational

AE05ML Device for ML Hem-o-lok Polymer Clip Delivery in Laparoscopic Surgical Procedures Observational Registery Study

NCT06364865
View directory record Official record
Conditions
Gall Bladder Disease, Bile Duct Diseases, Acute Cholecystitis, Kidney, Liver, Appendix, Spleen Disease, Prostate
Interventions
laparoscopic procedure
Device
Lead sponsor
Teleflex
Industry
Eligibility
18 Years and older
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Miami, Florida • New Hyde Park, New York • Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational

A Study of Severe Uterine Bleeding Following Exposure to Direct Oral Anticoagulants

NCT04394234
View directory record Official record
Conditions
Uterine Hemorrhage
Interventions
Direct oral anticoagulant (DOACs), Warfarin
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older · Female only
Enrollment
961,985 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Titusville, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational

A Study of the Incidence of Intraocular Inflammation and Suspected Endophthalmitis Among Patients Treated With Aflibercept, Vial and Pre-filled Syringe, 2014-2022

NCT05791695
View directory record Official record
Conditions
Intraocular Inflammation, Suspected Endophthalmitis
Interventions
Non Applicable
Other
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
155,413 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Tarrytown, New York
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Sep 23, 2026, 9:28 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 13, 2025 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational Results available

Strategies to Enhance Recruitment and Retention of Black Individuals Into Clinical Trials for Substance Use Disorders

NCT05124119
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
63 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 23, 2026, 9:28 PM EDT
Recruiting No phase listed Observational

Muscle Recovery After Critical Illness

NCT05537298
View directory record Official record
Conditions
ICU Acquired Weakness, Post Intensive Care Unit Syndrome, Muscle Weakness, Critical Illness
Interventions
Not listed
Lead sponsor
Esther Dupont-Versteegden
Other
Eligibility
18 Years and older · Male only
Enrollment
209 participants
Timeline
2022 – 2027
U.S. locations
3
States / cities
Birmingham, Alabama • Lexington, Kentucky • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Fecal Microbiota Transplantation (FMT) in Multiple Sclerosis

NCT03975413
View directory record Official record
Conditions
Multiple Sclerosis, Relapsing-Remitting
Interventions
Fecal Microbiota Transplantation (FMT)
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational

Assessment of Patterns of Patient Reported Outcomes in Adults With Congenital Heart Disease - International Study II

NCT04902768
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
This is an observational study, there is no intervention
Other
Lead sponsor
KU Leuven
Other
Eligibility
18 Years and older
Enrollment
8,415 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
10
States / cities
San Francisco, California • Stanford, California • Gainesville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Sep 23, 2026, 9:28 PM EDT
Recruiting No phase listed Observational

Maternal and Postnatal Outcomes Study (MOS): A Global Observational Registry Assessing the Safety of Elfabrio® in Women With Fabry Disease and Their Infants During Pregnancy and Breastfeeding

NCT06941025
View directory record Official record
Conditions
Fabry Disease, Pregnancy, Pregnancy Complications
Interventions
Not applicable- observational study
Other
Lead sponsor
Chiesi Farmaceutici S.p.A.
Industry
Eligibility
Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational

Voice Technology to Identify Opioid Use

NCT07603778
View directory record Official record
Conditions
Opioid Use
Interventions
Not applicable- observational study
Other
Lead sponsor
Tenvos Inc.
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 23, 2026, 9:28 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Neural and Cognitive Consequences of COVID-19 Survival

NCT06208943
View directory record Official record
Conditions
COVID Long-Haul, COVID-19, COVID-19 Pandemic, Brain Fog, Memory Deficits, Concentration Ability Impaired, Fatigue
Interventions
cross-sectional MRI and EEG assessments (NO INTERVENTION)
Other
Lead sponsor
San Francisco Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2024 · Synced Sep 23, 2026, 9:28 PM EDT
Terminated No phase listed Observational

Identifying Mechanisms of Resistance to mTOR Inhibitors in Cancer

NCT02306135
View directory record Official record
Conditions
Cancer
Interventions
n/a- this is an observational study
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 26, 2016 · Synced Sep 23, 2026, 9:28 PM EDT
Completed Phase 2 Interventional Results available

Ovarian Cancer Vaccine for Patients Who Have Progressed During the CAN-003 Study

NCT01617629
View directory record Official record
Conditions
Epithelial Ovarian Cancer
Interventions
MUC1 Dendritic Cell Vaccine (Cvac)
Biological
Lead sponsor
Prima BioMed Ltd
Industry
Eligibility
18 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
5
States / cities
Greenbrae, California • La Jolla, California • Boca Raton, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Self-reported Usage Patterns of Opioid Analgesic Medications After Surgery

NCT03034278
View directory record Official record
Conditions
Opioid Use
Interventions
Not applicable - no intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
785 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 21, 2021 · Synced Sep 23, 2026, 9:28 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Cytokine Response to Abdominal Wall Reconstruction

NCT07422584
View directory record Official record
Conditions
Incisional Ventral Hernia
Interventions
Not applicable- observational study
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Validation of the REPS Prediction Tool

NCT03585400
View directory record Official record
Conditions
Residual Neuromuscular Blockade, Curarization, Postoperative Residual, Postoperative Respiratory Complication
Interventions
Observational Study
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
101,510 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Imaging of Cognition, Learning, and Memory in Aging

NCT01297114
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Florbetaben
Drug
Lead sponsor
Yaakov Stern
Other
Eligibility
20 Years to 70 Years
Enrollment
294 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 31, 2017 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational

Incidence of Second Primary Malignancies in Castration-Resistant Prostate Cancer: An Observational Retrospective Cohort Study in the US

NCT02788409
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Not applicable for study
Other
Lead sponsor
Bayer
Industry
Eligibility
65 Years and older · Male only
Enrollment
2,234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 7, 2019 · Synced Sep 23, 2026, 9:28 PM EDT
Completed No phase listed Observational

Natural History Study of Patients With Canavan Disease (CANinform Study)

NCT04126005
View directory record Official record
Conditions
Canavan Disease
Interventions
Not listed
Lead sponsor
Aspa Therapeutics
Industry
Eligibility
Not listed
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
2
States / cities
Oakland, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 23, 2026, 9:28 PM EDT
Enrolling by invitation No phase listed Observational

Gene Therapy Follow up Protocol for Subjects Previously Enrolled in NCI Center for Immuno-Oncology Studies

NCT04266093
View directory record Official record
Conditions
Cervical Intraepithelial Neoplasia, Cervical Neoplasms, Oropharyngeal Neoplasms, Squamous Intraepithelial Lesions of the Cervix, Hematologic Malignacies
Interventions
GeneTherapy
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2050
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Sep 23, 2026, 9:28 PM EDT