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ClinicalTrials.gov public records Last synced Oct 17, 2026, 9:27 AM EDT

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

Showing 217–240 of 4,385 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Observational study Clear all
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Dallas 2K: A Natural History Study of Depression

NCT02919280
View directory record Official record
Conditions
Depression, Depression, Bipolar
Interventions
Observational Study
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
10 Years and older
Enrollment
2,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2036
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 17, 2026, 9:27 AM EDT
Terminated No phase listed Observational

The Evaluation of the Roles of New Cardiac Imaging in Patients With Chest Pain

NCT03800862
View directory record Official record
Conditions
Cardiology, Radiology, Stenoses
Interventions
CT-FFR and CTP
Device
Lead sponsor
Lancaster General Hospital
Other
Eligibility
45 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 27, 2022 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Use of Jet Injection Lidocaine for Blood Draws in Young Children

NCT01890642
View directory record Official record
Conditions
Pain
Interventions
J tip, Pain Ease Spray, 1% buffered lidocaine, placebo cooling spray (normal saline spray), Sucrose
Device · Other · Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
6 Months to 6 Years
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 6, 2015 · Synced Oct 17, 2026, 9:27 AM EDT
Terminated No phase listed Observational

Observational Study of Persistence on Bafiertam Treatment in Routine Clinical Practice

NCT05978531
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
Monomethyl Fumarate
Drug
Lead sponsor
Banner Life Sciences LLC
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
9
States / cities
Gilbert, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 1 Interventional Results available

Trastuzumab Deruxtecan With Nivolumab in Advanced Breast and Urothelial Cancer

NCT03523572
View directory record Official record
Conditions
Breast Cancer, Urothelial Carcinoma
Interventions
Trastuzumab deruxtecan, Nivolumab
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
10
States / cities
Santa Monica, California • New Haven, Connecticut • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Oct 17, 2026, 9:27 AM 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, 9:27 AM EDT
Completed No phase listed Observational Results available

Impact of Patient Activation and Engagement on Patient-Centered Outcomes of Care in ACOs

NCT02287883
View directory record Official record
Conditions
Diabetes, Cardiovascular Disease
Interventions
Observational: Patient Activation and Engagement (PAE)
Other
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years to 82 Years
Enrollment
2,176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
4
States / cities
Berkeley, California • Torrance, California • Chicago, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2017 · Synced Oct 17, 2026, 9:27 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Evaluation of Association Between Testosterone Levels, Dementia, and Adverse Mental Health Outcomes

NCT04743466
View directory record Official record
Conditions
Anxiety Disorder, Depression, Genetic Disorder, Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Electronic Health Record Review
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 17, 2026, 9:27 AM EDT
Terminated No phase listed Observational

Journey II BCS CMS Total Knee System Compared to Other PS Total Knee Systems in PT Setting

NCT02820766
View directory record Official record
Conditions
Osteoarthritis, Degenerative Arthritis, Traumatic Arthritis
Interventions
Not listed
Lead sponsor
Smith & Nephew, Inc.
Industry
Eligibility
21 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
Annapolis, Maryland • Eugene, Oregon • State College, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 10, 2017 · Synced Oct 17, 2026, 9:27 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Air Pollution, Asthma and Circadian Clocks

NCT03406351
View directory record Official record
Conditions
Asthma, Healthy
Interventions
Observational
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 17, 2026, 9:27 AM EDT
Not listed No phase listed Observational

DETEC® pH Point of Care Wound Diagnostic Test

NCT04614038
View directory record Official record
Conditions
Diabetic Foot Ulcer, Venous Leg Ulcer, Pressure Ulcer, Wound, Non-Healed
Interventions
DETEC® pH
Diagnostic Test
Lead sponsor
Progenitec Inc.
Industry
Eligibility
21 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Lake Success, New York • Arlington, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2023 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Early Phase 1 Interventional

High Dose Vit D Musculoskeletal Symptoms & Bone Density in Anastrozole-Treated Breast Cancer With Marginal Vit D Status

NCT00263185
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Vitamin D, Calcium carbonate, Vitamin D, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 22, 2014 · Synced Oct 17, 2026, 9:27 AM EDT
Completed No phase listed Observational

Yale COVID-19 Recovery Study

NCT04895189
View directory record Official record
Conditions
Covid19 Sequelae
Interventions
No intervention
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Oct 17, 2026, 9:27 AM EDT
Completed No phase listed Observational Results available

Persistence With Prolia® (Denosumab) in Postmenopausal Women With Osteoporosis

NCT02732210
View directory record Official record
Conditions
Osteoporosis, Age-Related
Interventions
Not listed
Lead sponsor
Amgen
Industry
Eligibility
Female only
Enrollment
935 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
60
States / cities
Birmingham, Alabama • Chandler, Arizona • Peoria, Arizona + 57 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2022 · Synced Oct 17, 2026, 9:27 AM EDT
Not listed No phase listed Observational

Vietnam Era Health Retrospective Observational Study

NCT02825602
View directory record Official record
Conditions
Aging, Combat Disorders
Interventions
Not listed
Lead sponsor
Veteran Affairs Office of Patient Care Services
Federal
Eligibility
58 Years and older
Enrollment
24,306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 17, 2026, 9:27 AM EDT
Completed No phase listed Observational

Assessment of Dual AntiPlatelet Therapy With Drug Eluting Stents

NCT00638794
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Drug -Eluting Stent (Taxus™, Cypher®, Endeavor™, Xience V™)
Device
Lead sponsor
Cardiovascular Research Foundation, New York
Other
Eligibility
18 Years and older
Enrollment
8,575 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
8
States / cities
Minneapolis, Minnesota • New York, New York • Charlotte, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2013 · Synced Oct 17, 2026, 9:27 AM EDT
Terminated No phase listed Observational

Bone Graft Materials Observational Registry

NCT00974623
View directory record Official record
Conditions
Degenerative Disc Disease, Herniated Disc, Spinal Stenosis, Spondylolithesis, Spinal Deformity, Cervical Myelopathy, Failed Back Surgery Syndrome, Spinal Cord Neoplasms
Interventions
Bone graft substitute, autograft or allograft
Device
Lead sponsor
Baxter Healthcare Corporation
Industry
Eligibility
18 Years and older
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
12
States / cities
San Francisco, California • Atlanta, Georgia • Carrollton, Georgia + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced Oct 17, 2026, 9:27 AM EDT
Completed No phase listed Observational

Mucopolysaccharidosis (MPS) VI Clinical Surveillance Program (CSP)

NCT00214773
View directory record Official record
Conditions
Mucopolysaccharidosis VI (MPS VI, Maroteaux-Lamy Syndrome)
Interventions
Not listed
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
Not listed
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2020
U.S. locations
23
States / cities
Irvine, California • Los Angeles, California • Oakland, California + 19 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced Oct 17, 2026, 9:27 AM EDT
Enrolling by invitation No phase listed Observational

A Study to Assess the Accuracy of Magnetocardiography (MCG) to Diagnose True Ischemia in Patients With Chest Pain in the ED

NCT05809648
View directory record Official record
Conditions
Chest Pain, Emergency Medicine
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 17, 2026, 9:27 AM EDT
Completed No phase listed Observational

An Observational Study of Patients With Lysosomal Acid Lipase Deficiency/Cholesteryl Ester Storage Disease Phenotype

NCT01528917
View directory record Official record
Conditions
Cholesterol Ester Storage Disease(CESD), Lysosomal Acid Lipase Deficiency
Interventions
Not listed
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
5 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
6
States / cities
Stanford, California • Chicago, Illinois • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2016 · Synced Oct 17, 2026, 9:27 AM EDT
Completed Phase 1 Interventional

Safety and Tolerability Study of FolateImmune in Combination With Cytokines in Patients With Refractory or Metastatic Cancer

NCT00329368
View directory record Official record
Conditions
Cancer
Interventions
EC90 (KLH-FITC), GPI-0100, EC17 (Folate-FITC), Interleukin-2, Interferon-alpha
Biological · Drug
Lead sponsor
Endocyte
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
3
States / cities
Springfield, Illinois • Lansing, Michigan • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2012 · Synced Oct 17, 2026, 9:27 AM EDT
Recruiting No phase listed Observational

Quality of Life in Cutaneous Lymphoma Patients Using the Skindex29

NCT04670874
View directory record Official record
Conditions
Cutaneous Lymphoma
Interventions
Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
1,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2034
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Oct 17, 2026, 9:27 AM EDT
Terminated No phase listed Observational

Olanzapine Versus Midazolam for Agitation

NCT03899506
View directory record Official record
Conditions
Agitation,Psychomotor
Interventions
Olanzapine, Midazolam
Drug
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 13, 2019 · Synced Oct 17, 2026, 9:27 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Dental Implant Stability When Using the Densah Bur™ Bone Compaction Process to Prepare Dental Implant Sites

NCT02502058
View directory record Official record
Conditions
Missing Teeth
Interventions
Densah Bur™ , osseodensification
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 20, 2017 · Synced Oct 17, 2026, 9:27 AM EDT