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ClinicalTrials.gov public records Last synced Oct 17, 2026, 6:04 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 155 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Observation alone / no intervention Clear all
Completed No phase listed Observational

Incidence and Predictors of Opioid Overdose and Death Among Long-Term Users of Opioid Analgesics

NCT02662153
View directory record Official record
Conditions
Opioid Overdose
Interventions
Observation only
Other
Lead sponsor
Member Companies of the Opioid PMR Consortium
Industry
Eligibility
18 Years to 79 Years
Enrollment
808,455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
4
States / cities
Wilmington, Delaware • Boston, Massachusetts • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2022 · Synced Oct 17, 2026, 6:04 PM EDT
Completed No phase listed Observational

Long-term Recovery: Longitudinal Study of Neuro-behavioral Markers of Recovery and Precipitants of Relapse

NCT04788004
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Online survey
Other
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years and older
Enrollment
733 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 17, 2026, 6:04 PM 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 17, 2026, 6:04 PM 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 at 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 17, 2026, 6:04 PM EDT
Completed No phase listed Observational

Study Comparing Ultrasound-guided FICNB Block to Systemic Analgesia in Treatment of Pediatric Femur Fracture

NCT05947292
View directory record Official record
Conditions
Femur Fracture
Interventions
Ultrasound-Guided Fascia Iliaca Compartment Nerve Block
Procedure
Lead sponsor
Zachary Binder
Other
Eligibility
4 Years to 17 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
9
States / cities
San Diego, California • San Francisco, California • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Oct 17, 2026, 6:04 PM 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 17, 2026, 6:04 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

AUD Biomarkers Study (Proteomic and Genomic Analysis of Biospecimens)

NCT05889806
View directory record Official record
Conditions
Oncology, Hematologic Malignancy, Gastro-Intestinal Disorder, Autoimmune Diseases, Pregnancy Related, Infectious Disease, Cardiovascular Diseases, Genitourinary Disease, Renal Disease
Interventions
Observational Study Only. NO Intervention.
Other
Lead sponsor
Audubon Bioscience
Industry
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2043
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Oct 17, 2026, 6:04 PM 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 17, 2026, 6:04 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 17, 2026, 6:04 PM EDT
Suspended No phase listed Observational Accepts healthy volunteers

Solid Tumor Imaging MR-Linac (STIM Study)

NCT03500081
View directory record Official record
Conditions
Cancer
Interventions
MRI Scan
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2029
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Oct 17, 2026, 6:04 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Truway Whole-Body Digital Twin and Physiologic Resilience Study (TRU-OMNIBODY)

NCT07805044
View directory record Official record
Conditions
PHYSIOLOGICAL PHENOMENA, Homeostasis, Physical Functional Performance, Cardiorespiratory Fitness, Cardiometabolic Risk Factors, Mobility Limitation
Interventions
Standardized Physiologic Resilience Challenge, Multimodal Whole-Body Physiologic Monitoring, Research-Only Whole-Body Digital Twin Analysis
Procedure · Other
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2041
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 17, 2026, 6:04 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Assessing Immune Dysfunction in Sepsis

NCT07154615
View directory record Official record
Conditions
Sepsis
Interventions
Observational Only
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 17, 2026, 6:04 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Formative Usability Assessment of Wireless Thermal Anisotropy Devices

NCT06040697
View directory record Official record
Conditions
Hydrocephalus
Interventions
Thermal Anisotropy
Device
Lead sponsor
Rhaeos, Inc.
Industry
Eligibility
5 Years to 80 Years
Enrollment
145 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 15, 2025 · Synced Oct 17, 2026, 6:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Actigraphy in Pediatric Pulmonary Hypertension

NCT02909608
View directory record Official record
Conditions
Pediatric Pulmonary Hypertension
Interventions
No interventions / observations only
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
8 Years to 14 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Oct 17, 2026, 6:04 PM EDT
Not listed No phase listed Observational

Young Breast Cancer Survivors Study

NCT05981716
View directory record Official record
Conditions
Breast Cancer
Interventions
No intervention
Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
384 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Oct 17, 2026, 6:04 PM EDT
Terminated No phase listed Observational

The Nanowear Wearable System SimpleSense Validation Trial for Cardiac Output

NCT05629533
View directory record Official record
Conditions
Right Heart Catheterization
Interventions
SimpleSense
Device
Lead sponsor
Nanowear Inc.
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 17, 2026, 6:04 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Biomarkers for Vascular Contributions to Cognitive Impairment and Dementia Consortium

NCT06284213
View directory record Official record
Conditions
Cognitive Impairment, Dementia
Interventions
No interventions
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years to 90 Years
Enrollment
1,892 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
17
States / cities
Los Angeles, California • Sacramento, California • San Francisco, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Oct 17, 2026, 6:04 PM EDT
Not yet recruiting No phase listed Observational

Surgical Critical Care Initiative (SC2i) Tissue and Data Acquisition Protocol (TDAP) in Burn Patients Improving the Robustness and Generalizability of Post-burn Sepsis Prediction With the Post-Burn Sepsis Digital Twin. Group 1

NCT07249762
View directory record Official record
Conditions
Sepsis, Burn Injury, Wound Healing, Critical Illness, Multiple Organ Dysfunction Syndrome
Interventions
Observational Cohort (No Intervention)
Other
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Tampa, Florida • Atlanta, Georgia • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 17, 2026, 6:04 PM EDT
Not listed No phase listed Observational

Voice Outcomes Following Thyroidectomy

NCT03657654
View directory record Official record
Conditions
Thyroid Cancer, Thyroid Nodule
Interventions
No intervention: observational only
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Oct 17, 2026, 6:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nutritional Failure in Infants With Single Ventricle Congenital Heart Disease

NCT01821287
View directory record Official record
Conditions
Congenital Heart Disease, Nutritional Failure
Interventions
CHD
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Up to 12 Months
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 14, 2014 · Synced Oct 17, 2026, 6:04 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Feasibility and Clinical Utility of Paired Non-Invasive Hemodynamic and Tissue Oximetry Monitoring to Detect Limb Ischemia in Lithotomy-Positioned Surgeries

NCT07387653
View directory record Official record
Conditions
Neuropathy;Peripheral, Limb Ischemia
Interventions
Lower-Extremity Perfusion Monitoring
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 17, 2026, 6:04 PM EDT
Not yet recruiting Not applicable Interventional

FIQS Dissemination and Implementation

NCT07871136
View directory record Official record
Conditions
Inpatient Experience Survey Administration, Inpatient Experience Survey Response, Inpatient Pediatric Care, Inpatient Pediatric Engagement and Shared Decision-Making
Interventions
Text-Only Enrollment Strategy, Text Plus In-Person Enrollment Strategy, Anonymous Safety Reporting with Impact Website, Identified Safety Reporting, Safety Reporting Integration Toolkit
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
13 Years and older
Enrollment
21,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
8
States / cities
Los Angeles, California • Oakland, California • Sacramento, California + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 17, 2026, 6:04 PM EDT
Completed Not applicable Interventional Results available

Algorithm Using LINQ Sensors for Evaluation And Treatment of Heart Failure

NCT04452149
View directory record Official record
Conditions
Heart Failure NYHA Class II, Heart Failure NYHA Class III
Interventions
Reveal LINQ™ Insertable Cardiac Monitor with investigational ALLEVIATE-HF RAMware download, Medication intervention, Not Randomized to Device or Medication Intervention
Device · Other
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Industry
Eligibility
18 Years and older
Enrollment
826 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
53
States / cities
Mesa, Arizona • Jonesboro, Arkansas • Mission Viejo, California + 47 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 17, 2026, 6:04 PM EDT
Completed Not applicable Interventional

Reduction of Radiation Dose and Contrast Use During Cryoballoon Pulmonary Vein Isolation

NCT03786822
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Cryoballoon Pulmonary Vein Isolation - PVI
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 26, 2018 · Synced Oct 17, 2026, 6:04 PM EDT