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ClinicalTrials.gov public records Last synced Oct 19, 2026, 5:30 PM EDT

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

Showing 529–552 of 4,385 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: observational study Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Development of a Novel Evaluation Scale of Mental Body Representation (MBR) for Adults With Spinal Cord Injury

NCT07029802
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
No intervention
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 19, 2026, 5:30 PM EDT
Completed Not applicable Interventional

Sham Feeding Post-operative Infants

NCT03350022
View directory record Official record
Conditions
Newborn Morbidity, Oral Aversion, Gastroschisis, Bowel Obstruction, Short Bowel Syndrome
Interventions
Sham Feeding
Procedure
Lead sponsor
Le Bonheur Children's Hospital
Other
Eligibility
Up to 2 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 20, 2020 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational

Role of an E-cigarette on Smoking Displacement in Smokers With Schizophrenia

NCT03075202
View directory record Official record
Conditions
Schizophrenia and Related Disorders
Interventions
e-cigarette, brand name JUUL
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 11, 2019 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational

Probe-based Volumetric Laser Endomicroscopy (pVLE) of Endoscopic Mucosal Resection (EMR) Tissue in Patients With Barrett's Dysplasia

NCT02366039
View directory record Official record
Conditions
Barrett's Esophagus With High Grade Dsyplasia, Early Esophageal Cancer
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Oct 19, 2026, 5:30 PM EDT
Recruiting Not applicable Interventional

Diffusion Tensor and Functional Connectivity Imaging in Pediatric Epilepsy: Imaging/Histology Correlation

NCT02846272
View directory record Official record
Conditions
Intractable Epilepsy
Interventions
Observation
Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
0 Days to 18 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2031
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced Oct 19, 2026, 5:30 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Skeletal Health and Bone Marrow Composition Among Youth

NCT04203381
View directory record Official record
Conditions
Gender Dysphoria in Children, Puberty, Bone Development
Interventions
GnRH Agonist
Device
Lead sponsor
Amy DiVasta, MD
Other
Eligibility
9 Years to 14 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 19, 2026, 5:30 PM EDT
Active, not recruiting No phase listed Observational

NCI COVID-19 in Cancer Patients, NCCAPS Study

NCT04387656
View directory record Official record
Conditions
COVID-19 Infection, Hematopoietic and Lymphatic System Neoplasm, Malignant Solid Neoplasm, Metastatic Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Data Collection, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
1,877 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
928
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 589 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational

ATHN 11: Liver Transplantation Outcomes Study

NCT04055051
View directory record Official record
Conditions
Hemophilia A and B, Liver Transplantation
Interventions
Not listed
Lead sponsor
American Thrombosis and Hemostasis Network
Network
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
15
States / cities
Los Angeles, California • San Francisco, California • Peoria, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Oct 19, 2026, 5:30 PM EDT
Not yet recruiting No phase listed Observational

Medical Cannabis Observational Study for Antiemetic Intervention in Chemotherapy

NCT07374939
View directory record Official record
Conditions
Nausea and Vomiting Chemotherapy-Induced
Interventions
Medical Cannabis
Drug
Lead sponsor
University of Rochester
Other
Eligibility
21 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 19, 2026, 5:30 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety Study to Evaluate Monoclonal Antibody KW-0761 in Subjects With Peripheral T-cell Lymphoma

NCT00888927
View directory record Official record
Conditions
Peripheral T-Cell Lymphoma
Interventions
KW-0761
Biological
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
5
States / cities
Los Angeles, California • Stanford, California • New Haven, Connecticut + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational

Investigate the Aerosol Particle Distribution During Aerosol Generating Procedures

NCT04353531
View directory record Official record
Conditions
Transmission, Patient Professional, High-flow Nasal Cannula
Interventions
High-flow nasal cannula, Surgical mask, bronchoscopy examination, intubation, tracheostomy, nebulization, Pulmonary function test
Device · Procedure · Diagnostic Test
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational

AAV Gene Therapy Screening/Observational Protocol (ECLIPSE)

NCT04272554
View directory record Official record
Conditions
Hemophilia B, Blood Coagulation Disorders, Inherited, Blood Coagulation Disorder, Haematologic Disease
Interventions
Not listed
Lead sponsor
Spur Therapeutics
Industry
Eligibility
16 Years and older · Male only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
17
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 14 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2022 · Synced Oct 19, 2026, 5:30 PM EDT
Recruiting No phase listed Observational

Tempus CRC Surveillance Study: A ctDNA Biomarker Profiling Study of Patients With CRC Using NGS Assays

NCT05234177
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Observation
Other
Lead sponsor
Tempus AI
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
20
States / cities
Fort Smith, Arkansas • Fountain Valley, California • Bethesda, Maryland + 14 more
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Oct 19, 2026, 5:30 PM EDT
Completed Phase 2 Interventional Results available

Atorvastatin as GVHD Prophylaxis for Allogeneic Hematopoietic Cell Transplantation

NCT01665677
View directory record Official record
Conditions
Graft vs Host Disease
Interventions
Atorvastatin calcium
Drug
Lead sponsor
Mehdi Hamadani
Other
Eligibility
18 Years to 75 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
2
States / cities
Morgantown, West Virginia • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational

Medical Cannabis Registry and Pharmacology

NCT03699527
View directory record Official record
Conditions
Autism, ASD
Interventions
Multiple questionnaires administered
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Up to 21 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational

Real-world Outcomes on Tecfidera (BG00012, Dimethyl Fumarate) Post-Tysabri (BG00002, Natalizumab)

NCT02159573
View directory record Official record
Conditions
Relapsing-Remitting Multiple Sclerosis
Interventions
natalizumab, dimethyl fumarate
Biological · Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years and older
Enrollment
530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
43
States / cities
Birmingham, Alabama • Cullman, Alabama • Gilbert, Arizona + 40 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2016 · Synced Oct 19, 2026, 5:30 PM EDT
Terminated No phase listed Observational

PMCF Study to Evaluate the VERTICALE® Cervical System in Spine Surgery According to Its Intended Use.

NCT05489822
View directory record Official record
Conditions
Degenerative Disc Disease (DDD), Instabilities, Trauma, Deformity
Interventions
VERTICALE® Cervical System
Device
Lead sponsor
Silony Medical GmbH
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 19, 2026, 5:30 PM EDT
Enrolling by invitation No phase listed Observational

A Post Approval Multicenter 10 Year Follow-up Observational Trial of Marketed Product - MP01 vs. Surgical Standard of Care (SSOC) Used for the Treatment of Joint Surface Lesions of the Knee

NCT06916728
View directory record Official record
Conditions
Knee Injuries, Joint Surface Knee Lesions
Interventions
Marketed Product - MP01, Surgical Standard of Care
Device · Procedure
Lead sponsor
Smith & Nephew, Inc.
Industry
Eligibility
21 Years to 75 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
La Mesa, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational

A Study That Uses Data From Routine Eye Examinations of Patients Participating in Studies FIDELIO-DKD and FIGARO-DKD to Explore Whether Finerenone Can Delay the Progression of a Diabetes Complication That Affects the Eyes (Diabetic Retinopathy ,DR)

NCT04477707
View directory record Official record
Conditions
Diabetic Retinopathy
Interventions
Finerenone (BAY94-8862)
Drug
Lead sponsor
Bayer
Industry
Eligibility
Not listed
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
10
States / cities
Chula Vista, California • El Centro, California • Fort Lauderdale, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Oct 19, 2026, 5:30 PM EDT
Recruiting No phase listed Observational

Temporal Immunologic Changes With Hypofractionated Radiation-Induced DNA Damage in Breast Cancer

NCT05406232
View directory record Official record
Conditions
Breast Carcinoma, Invasive Breast Carcinoma
Interventions
Biopsy, Biospecimen Collection, Radiation Therapy
Procedure · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational Results available

An Observational Study of The Safety of MabThera/Rituxan (Rituximab) in Participants With Granulomatosis With Polyangiitis (Wegener's) or Microscopic Polyangiitis

NCT01613599
View directory record Official record
Conditions
Granulomatosis With Polyangiitis, Microscopic Polyangiitis
Interventions
Rituximab
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
15
States / cities
Scottsdale, Arizona • Los Angeles, California • Jacksonville, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 26, 2018 · Synced Oct 19, 2026, 5:30 PM EDT
Completed Not applicable Interventional Results available

Additional Long-Term Follow-up for Subjects Implanted With a CyPass® Micro-Stent

NCT04629521
View directory record Official record
Conditions
Primary Open Angle Glaucoma, Cataract
Interventions
CyPass Micro-Stent, Cataract Surgery
Device · Procedure
Lead sponsor
Alcon Research
Industry
Eligibility
45 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
12
States / cities
Glendale, Arizona • Orange, California • Fort Collins, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2024 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational

Therapeutic Peri-implant Maintenance with Laser Therapy

NCT04251793
View directory record Official record
Conditions
Peri-Implantitis
Interventions
Observation
Other
Lead sponsor
University of Michigan
Other
Eligibility
Not listed
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 12, 2024 · Synced Oct 19, 2026, 5:30 PM EDT
Completed No phase listed Observational

An OBServational Clinical Trial (SARA-OBS) in Sarcopenia and Sarcopenic Obesity in Patients Aged 65 Years and Over

NCT03021798
View directory record Official record
Conditions
Sarcopenia, Gait Disorders in Old Age, Muscle Weakness
Interventions
No Drug and no aspecific intervention
Other
Lead sponsor
Biophytis
Industry
Eligibility
65 Years to 95 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
3
States / cities
Gainesville, Florida • Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Oct 19, 2026, 5:30 PM EDT