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ClinicalTrials.gov public records Last synced Oct 31, 2026, 5:29 AM EDT

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Showing 1–24 of 133 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Observational Study Only. NO Intervention. Clear all
Completed No phase listed Observational

Neurologic Manifestations of COVID 19 in Children

NCT04379089
View directory record Official record
Conditions
COVID, Neurologic Manifestations
Interventions
Observational study only
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
Up to 17 Years
Enrollment
3,568 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2023 · Synced Oct 31, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

7 Tesla MRI Study in Patients With Statin Related Muscle Complaints

NCT04575090
View directory record Official record
Conditions
Statin-related Muscle Pain, Muscle Aches, Muscle Weakness, Muscle Cramp, Muscle Stiffness
Interventions
Simvastatin
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2022 · Synced Oct 31, 2026, 5:29 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Singula Phase 0.1 Primary Care Pilot

NCT07834684
View directory record Official record
Conditions
Depression - Major Depressive Disorder, Anxiety
Interventions
Not listed
Lead sponsor
Singula Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Brentwood, New York • Mount Kisco, New York
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 31, 2026, 5:29 AM EDT
Completed No phase listed Observational

Shoulder Symptom Irritability Scale: A Single-Blinded Observational Study

NCT02995941
View directory record Official record
Conditions
Shoulder Pain, Pain
Interventions
Not listed
Lead sponsor
St. Luke's Hospital and Health Network, Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
17
States / cities
Washington, New Jersey • Allentown, Pennsylvania • Bath, Pennsylvania + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2019 · Synced Oct 31, 2026, 5:29 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immunopathogenesis of Chlamydia

NCT00607659
View directory record Official record
Conditions
CHLAMYDIA INFECTIONS
Interventions
No intervention, only observational
Other
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
11 Years to 21 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 31, 2026, 5:29 AM EDT
Recruiting No phase listed Observational

Enhancing Diabetes Care: Exposome &Amp; Sensors

NCT06989008
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Observational Study: Relationships Among Glucose, Physical Activity and Environmental Influences
Other
Lead sponsor
University of Illinois Chicago
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 31, 2026, 5:29 AM EDT
Completed No phase listed Observational

Impact of Steroid, Diuretic, and Fluid Use on BPD Outcomes

NCT04971694
View directory record Official record
Conditions
BPD - Bronchopulmonary Dysplasia
Interventions
No interventions or procedures
Other
Lead sponsor
Pediatrix
Other
Eligibility
Not listed
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Oct 31, 2026, 5:29 AM EDT
Terminated No phase listed Observational

Nanowear Heart Failure Management Multi-sensor Algorithm

NCT03719079
View directory record Official record
Conditions
Heart Failure
Interventions
SimpleSENSE
Device
Lead sponsor
Nanowear Inc.
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 31, 2026, 5:29 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Continuous N-of-1 Computational Feasibility Study of a Whole Genome Sequence

NCT07462234
View directory record Official record
Conditions
Computational Modeling of Individual Metabolic Pathways
Interventions
Not listed
Lead sponsor
Bioactify LLC
Other
Eligibility
Female only
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Wappingers Falls, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 31, 2026, 5:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiac Rehab and Cerebral Blood Flow Study

NCT05012878
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Cardiac rehabilitation - high intensity interval training (HIIT), Cardiac rehabilitation - moderate intensity continuous training (MICT), Cardiac rehabilitation - control, Cardiac rehabilitation - observational
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Oct 31, 2026, 5:29 AM EDT
Recruiting No phase listed Observational

Exhaled Breath: A Novel Technique for Rapid Diagnosis of Respiratory Diseases and Infections

NCT06775106
View directory record Official record
Conditions
Pulmonary Disease, Critical Illness
Interventions
There is no intervention in this observational study
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 120 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Oct 31, 2026, 5:29 AM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Collecting Data on Retinal Blood Blood Flow and Blood Vessel Shape/Appearance Using an Investigational Device, XyCAM CRE, and to Then Compare Those Images With Images Collected From a Patient's Routine Clinical Examination.

NCT07641738
View directory record Official record
Conditions
Microvascular Disease, Retinal Disease
Interventions
XyCAM CRE Imaging
Device
Lead sponsor
Stuart Terry Eye Associates
Other
Eligibility
21 Years to 100 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 31, 2026, 5:29 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Efficiency of Task Switching and Multi-tasking

NCT03685266
View directory record Official record
Conditions
Task Performance and Analysis, Efficiency
Interventions
Observation
Other
Lead sponsor
University of Hawaii
Other
Eligibility
Not listed
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 31, 2026, 5:29 AM EDT
Completed No phase listed Observational

Cognitive Impairement In Frontotemporal Dementia

NCT03452956
View directory record Official record
Conditions
Frontotemporal Degeneration, Progressive Supranuclear Palsy, Multiple System Atrophy
Interventions
None-Observation Only
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
997 participants
Timeline
2003 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Oct 31, 2026, 5:29 AM EDT
Recruiting No phase listed Observational

Immune Response to Anti-HER2 Therapies in Patients With HER2-Positive Stage I-IV Breast Cancer

NCT04517838
View directory record Official record
Conditions
Breast Adenocarcinoma, HER2-Positive Breast Carcinoma, Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8
Interventions
Biospecimen Collection
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 31, 2026, 5:29 AM EDT
Completed No phase listed Observational

Expulsion of Immediate Postplacental Copper Intrauterine Devices at Six Months: A Prospective Cohort Study

NCT02706340
View directory record Official record
Conditions
Postpartum, Intrauterine Devices, Copper
Interventions
No intervention - observational study only
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
309 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Oct 31, 2026, 5:29 AM EDT
Recruiting Not applicable Interventional

Real-component vs All-cement Articulating Spacers for Periprosthetic Knee Infection

NCT06293352
View directory record Official record
Conditions
Prosthetic-joint Infection, Knee Infection, Arthroplasty Complications, Joint Infection, Arthroplasty, Replacement, Knee
Interventions
All-cement articulating spacer, Durable, real-component articulating spacer, Rigid Spacer
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 31, 2026, 5:29 AM EDT
Recruiting No phase listed Observational

International CDKL5 Clinical Research Network

NCT05558371
View directory record Official record
Conditions
CDKL5, CDKL5 Deficiency Disorder, CDD
Interventions
No intervention.
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 100 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
8
States / cities
Los Angeles, California • Aurora, Colorado • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 6, 2023 · Synced Oct 31, 2026, 5:29 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Biomarkers of Intestinal Fibrosis in Small Bowel Crohn's Disease

NCT04088773
View directory record Official record
Conditions
Crohn Disease
Interventions
blood biomarkers, stool biomarkers, MRI imaging
Diagnostic Test
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
8 Years to 70 Years
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
4
States / cities
Atlanta, Georgia • Ann Arbor, Michigan • Rochester, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2025 · Synced Oct 31, 2026, 5:29 AM EDT
Recruiting Not applicable Interventional

Self-applied taVNS for CIPN

NCT07596030
View directory record Official record
Conditions
Chemotherapy Induced Peripheral Neuropathy
Interventions
Transcutaneous Auricular Vagus Nerve Stimulation (taVNS)
Device
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 31, 2026, 5:29 AM EDT
Completed Not applicable Interventional Results available

A Study to Assess Long-Term Safety of the CyPass Micro-Stent in Patients Completing the COMPASS Trial

NCT02700984
View directory record Official record
Conditions
Primary Open Angle Glaucoma (POAG)
Interventions
CyPass Micro-Stent, Cataract Surgery
Device · Procedure
Lead sponsor
Alcon Research
Industry
Eligibility
45 Years and older
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
22
States / cities
Glendale, Arizona • Fayetteville, Arkansas • La Jolla, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2024 · Synced Oct 31, 2026, 5:29 AM EDT
Completed Not applicable Interventional Results available

Cognitive Behavioral Therapy and Chronic Pain Self-Management Within the Context of Opioid Reduction: The EMPOWER Study

NCT03445988
View directory record Official record
Conditions
Chronic Pain
Interventions
Cognitive Behavioral Therapy, Chronic Pain Self Management Program, Taper Only
Behavioral · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 85 Years
Enrollment
1,462 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 31, 2026, 5:29 AM 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 31, 2026, 5:29 AM EDT
Completed Not applicable Interventional

Active Surveillance Exercise Clinical Trial

NCT02435472
View directory record Official record
Conditions
Localized Prostate Cancer, Active Surveillance for Prostate Cancer
Interventions
Exercise, Cardiopulmonary Exercise Test (CPET)
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 31, 2026, 5:29 AM EDT