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ClinicalTrials.gov public records Last synced Oct 20, 2026, 5:51 AM EDT

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

Showing 841–864 of 4,385 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: observational study Clear all
Completed No phase listed Observational

Establishment of Natural History of Scorpion Envenomation

NCT00696683
View directory record Official record
Conditions
Scorpion Sting Envenomation
Interventions
None, this is an observational study
Other
Lead sponsor
Instituto Bioclon S.A. de C.V.
Industry
Eligibility
6 Months to 18 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 13, 2008 · Synced Oct 20, 2026, 5:51 AM EDT
Completed No phase listed Observational Results available

LSI (Lesion Index) Workflow Observational Study

NCT03906461
View directory record Official record
Conditions
Paroxysmal Atrial Fibrillation
Interventions
Radiofrequency Ablation
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
18 Years and older
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
4
States / cities
Burlingame, California • Indianapolis, Indiana • Tupelo, Mississippi + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2024 · Synced Oct 20, 2026, 5:51 AM EDT
Not listed No phase listed Observational

Cardiovascular Events Among Adults Patients With Relapsed or Refractory Aggressive B-Cell Lymphoma Treated With Standard of Care Chimeric Antigen Receptor T Cell Therapy

NCT04870853
View directory record Official record
Conditions
Recurrent Aggressive B-Cell Non-Hodgkin Lymphoma, Recurrent Diffuse Large B-Cell Lymphoma, Recurrent High Grade B-Cell Lymphoma, Recurrent Primary Mediastinal (Thymic) Large B-Cell Lymphoma, Recurrent Transformed Follicular Lymphoma to Diffuse Large B-Cell Lymphoma, Refractory Aggressive B-Cell Non-Hodgkin Lymphoma, Refractory Diffuse Large B-Cell Lymphoma, Refractory High Grade B-Cell Lymphoma, Refractory Primary Mediastinal (Thymic) Large B-Cell Lymphoma, Refractory Transformed Follicular Lymphoma to Diffuse Large B-Cell Lymphoma
Interventions
Electronic Health Record Review
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Oct 20, 2026, 5:51 AM EDT
Completed No phase listed Observational Results available

The Evicel Post-Authorization Surveillance Study

NCT01158261
View directory record Official record
Conditions
Peripheral Vascular Disease, Hemorrhage
Interventions
EVICEL ™ Fibrin Sealant (Human)
Biological
Lead sponsor
Ethicon, Inc.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 19, 2015 · Synced Oct 20, 2026, 5:51 AM EDT
Completed No phase listed Observational

A Noninterventional, Single-Center Feasibility Study to Evaluate Measures of Heart Failure Risk

NCT05646056
View directory record Official record
Conditions
Heart Failure, Cardiomyopathy, Hypertrophic, Left Ventricular Hypertrophy
Interventions
Software
Device
Lead sponsor
Prolaio
Industry
Eligibility
18 Years and older
Enrollment
82 participants
Timeline
2022 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 24, 2024 · Synced Oct 20, 2026, 5:51 AM EDT
Recruiting No phase listed Observational

Registry to Collect Information on Pregnancy, Neonatal, and Infant Outcomes in Pregnant Women Exposed to QUVIVIQ®

NCT06498128
View directory record Official record
Conditions
Insomnia
Interventions
Daridorexant, Non-orexin receptor antagonist medications for insomnia, No insomnia medication
Drug · Other
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
15 Years to 50 Years · Female only
Enrollment
785 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 20, 2026, 5:51 AM EDT
Recruiting No phase listed Observational

Delayed Toxicities Post-CAR-T

NCT07665307
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
3
States / cities
San Francisco, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 20, 2026, 5:51 AM EDT
Completed No phase listed Observational

Impulse Control Disorders in Parkinson's Patients Treated With Pramipexole and Other Agents (DOMINION Study)

NCT00617019
View directory record Official record
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
30 Years to 75 Years
Enrollment
3,234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
36
States / cities
Gilbert, Arizona • Scottsdale, Arizona • Sun City, Arizona + 31 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2013 · Synced Oct 20, 2026, 5:51 AM EDT
Recruiting No phase listed Observational

Wearable Activity Tracking to Curb Hospitalizations

NCT06587100
View directory record Official record
Conditions
Hematopoietic Neoplasm, Malignant Solid Neoplasm, Lymphatic System Neoplasm
Interventions
Fitbit, Apple HealthKit-based devices
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 20, 2026, 5:51 AM EDT
Completed No phase listed Observational

Concordance of Inivata Liquid Biopsy With Standard of Care Tissue Testing

NCT02906852
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
Not listed
Lead sponsor
Inivata
Industry
Eligibility
18 Years and older
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
35
States / cities
Mission Hills, California • Aurora, Colorado • Norwich, Connecticut + 32 more
Source: ClinicalTrials.gov public record
Updated May 16, 2019 · Synced Oct 20, 2026, 5:51 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The SKyRoCKeT Study

NCT05770817
View directory record Official record
Conditions
Healthy
Interventions
N/A: SKyRoCKeT is an observational study
Other
Lead sponsor
University of North Carolina, Charlotte
Other
Eligibility
6 Years to 20 Years
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 20, 2026, 5:51 AM EDT
Recruiting Phase 2 Interventional

Phosphate in Acute Pancreatitis

NCT07681050
View directory record Official record
Conditions
Pancreatitis
Interventions
Sodium Phosphate, Potassium Phosphate
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 20, 2026, 5:51 AM EDT
Terminated No phase listed Observational

B-cell Depletion Therapy With Rituximab for Thyroid Eye Disease

NCT02316691
View directory record Official record
Conditions
Thyroid Eye Disease
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Oct 20, 2026, 5:51 AM EDT
Completed No phase listed Observational

Psychosocial and Patient Education Needs of Prostate Cancer Patients Selecting Watchful Waiting

NCT00717613
View directory record Official record
Conditions
Localized Prostate Cancer
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 20, 2026, 5:51 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

APOE in the Predisposition to, Protection From, and Prevention of Alzheimer's Disease

NCT04994847
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Amyloid and Tau PET
Drug
Lead sponsor
Banner Health
Other
Eligibility
50 Years to 90 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 20, 2026, 5:51 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

DV2-HBV-27: Observational Pregnancy Registry

NCT03664648
View directory record Official record
Conditions
Pregnant
Interventions
HEPLISAV-B
Biological
Lead sponsor
Dynavax Technologies Corporation
Industry
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 18, 2023 · Synced Oct 20, 2026, 5:51 AM EDT
Recruiting No phase listed Observational

A Study to Document and to Further Describe Long-term Safety and Effectiveness of Palovarotene in Participants With Fibrodysplasia Ossificans Progressiva (FOP)

NCT06089616
View directory record Official record
Conditions
Fibrodysplasia Ossificans Progressiva
Interventions
Not listed
Lead sponsor
Ipsen
Industry
Eligibility
8 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2035
U.S. locations
2
States / cities
San Francisco, California • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 20, 2026, 5:51 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

An In-home Observational Study to Compare Infant Crying and Fussing Parameters Documented by the LENA Recorder With Those Documented Via Parental E-diaries

NCT03390348
View directory record Official record
Conditions
Crying, Fussy Infant (Baby)
Interventions
LENA Recorder
Device
Lead sponsor
Danone Asia Pacific Holdings Pte, Ltd.
Industry
Eligibility
Up to 15 Weeks
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 17, 2018 · Synced Oct 20, 2026, 5:51 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Two Point Discrimination

NCT03686748
View directory record Official record
Conditions
Ehlers-Danlos Syndrome (EDS), Complex Regional Pain Syndrome (CRPS), Amplified Musculoskeletal Pain Syndrome (AMPS), Low Back Pain, Fibromyalgia, Chronic Widespread Pain
Interventions
Two-point discrimination training, One-point discrimination training
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
10 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced Oct 20, 2026, 5:51 AM EDT
Completed Not applicable Interventional Results available

Scoreflex NC - Scoring PTCA Catheter

NCT03763747
View directory record Official record
Conditions
Coronary Artery Disease, Coronary Disease, Myocardial Ischemia, Heart Diseases, Arteriosclerosis, Cardiovascular Diseases
Interventions
Scoreflex NC Scoring PTCA catheter
Device
Lead sponsor
OrbusNeich
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
9
States / cities
Gainesville, Florida • Miami, Florida • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced Oct 20, 2026, 5:51 AM EDT
Not listed Not applicable Interventional

A Wireless EEG Patch for Continuous Electrographic Monitoring

NCT03583957
View directory record Official record
Conditions
Epilepsy
Interventions
Observational only, Psychological and Behavioral interaction with a seizure forecasting mobile app, Seizure Alerting and Prediction System
Device · Behavioral · Combination Product
Lead sponsor
Epitel, Inc.
Industry
Eligibility
5 Years and older
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
3
States / cities
Aurora, Colorado • Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 16, 2024 · Synced Oct 20, 2026, 5:51 AM EDT
Withdrawn Phase 1 Interventional

A Study to Evaluate the Safety and Preliminary Efficacy of ATA3219 in Participants With Systemic Lupus Erythematosus

NCT06429800
View directory record Official record
Conditions
Lupus Nephritis, Systemic Lupus Erythematosus
Interventions
ATA3219
Drug
Lead sponsor
Atara Biotherapeutics
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Thousand Oaks, California
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Oct 20, 2026, 5:51 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Observational Study of Neuromuscular Function in CMT Type 1&2 and Healthy Controls

NCT04980807
View directory record Official record
Conditions
Charcot-Marie-Tooth Disease
Interventions
Not listed
Lead sponsor
NMD Pharma A/S
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Oct 20, 2026, 5:51 AM EDT
Recruiting Phase 2 Interventional

Maintenance Obinutuzumab in Treating Patients With Central Nervous System Lymphoma Who Have Achieved a Complete or Partial Response

NCT06175000
View directory record Official record
Conditions
Primary Central Nervous System Lymphoma
Interventions
Cognitive Assessment, Obinutuzumab, Quality of Life Assessment
Procedure · Biological · Other
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
7
States / cities
New York, New York • Cleveland, Ohio • Portland, Oregon + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 20, 2026, 5:51 AM EDT