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ClinicalTrials.gov public records Last synced Sep 8, 2026, 7:28 AM EDT

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Showing 1–24 of 3,885 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Observational Trial Clear all
Enrolling by invitation No phase listed Observational

Long-Term Follow-up Study

NCT05332054
View directory record Official record
Conditions
Lymphoma, Non-Hodgkin, Relapsed Non-Hodgkin Lymphoma, Refractory B-Cell Non-Hodgkin Lymphoma, Non-Hodgkin Lymphoma, Lymphoma, B Cell Lymphoma, B-Cell Non-Hodgkin's Lymphoma, Hematologic Malignancy, Relapsed/Refractory Multiple Myeloma, Relapsed/Refractory Acute Myeloid Leukemia
Interventions
Caribou-sponsored investigational therapy
Biological
Lead sponsor
Caribou Biosciences, Inc.
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2041
U.S. locations
31
States / cities
Birmingham, Alabama • Gilbert, Arizona • Scottsdale, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 8, 2026, 7:28 AM EDT
Completed No phase listed Observational

An Observational Study (Registry) Assessing Treatment Outcomes and Safety for Children and Adults Who Are Prescribed Norditropin® (Human Growth Hormone)

NCT01009905
View directory record Official record
Conditions
Growth Hormone Disorder, Pituitary Dwarfism, Hypopituitarism
Interventions
somatropin
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
Up to 18 Years
Enrollment
22,960 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2016
U.S. locations
1
States / cities
Plainsboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Sep 8, 2026, 7:28 AM EDT
Not listed No phase listed Observational

Understanding Experiences of People With Spinal Cord Injury Undergoing Activity-based Rehabilitation

NCT04000256
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Activity based rehabilitation
Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Orange, California • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 6, 2023 · Synced Sep 8, 2026, 7:28 AM EDT
Terminated No phase listed Observational

Evaluating Mobile Health Tool Use for Capturing Patient-centered Outcomes Measures in HF Patients

NCT04191356
View directory record Official record
Conditions
Heart Failure
Interventions
Not listed
Lead sponsor
Biofourmis Singapore Pte Ltd.
Industry
Eligibility
21 Years to 85 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 4, 2023 · Synced Sep 8, 2026, 7:28 AM EDT
Recruiting No phase listed Observational

ExoLuminate Study for Early Detection of Pancreatic Cancer

NCT05625529
View directory record Official record
Conditions
Pancreas Cancer, Exosomes, Extracellular Vesicles, Pancreatic Neoplasms
Interventions
Not listed
Lead sponsor
Biological Dynamics
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Sep 8, 2026, 7:28 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The Covid-19 HEalth caRe wOrkErS (HEROES) Study

NCT04352634
View directory record Official record
Conditions
Covid-19, Mental Health Disorder, Stress Disorder, Anxiety, Depression, SARS-CoV-2
Interventions
Exposure to the SARS-CoV-2 and its consequences
Other
Lead sponsor
University of Chile
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 31, 2021 · Synced Sep 8, 2026, 7:28 AM EDT
Recruiting No phase listed Observational

International obServational sTudy on AiRway manaGement in operAting Room and Non-operaTing Room anaEsthesia

NCT05759299
View directory record Official record
Conditions
Airway Complication of Anesthesia
Interventions
Advanced airway management
Procedure
Lead sponsor
University of Turin, Italy
Other
Eligibility
18 Years and older
Enrollment
10,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Dallas, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 19, 2025 · Synced Sep 8, 2026, 7:28 AM EDT
Recruiting Phase 1Phase 2 Interventional

Safety and Tolerability Subretinal OPGx-001 for LCA5-Associated Inherited Retinal Degeneration (LCA5-IRD) and Non-interventional Arm With Untreated Patients

NCT05616793
View directory record Official record
Conditions
LCA5
Interventions
AAV8.hLCA5
Biological
Lead sponsor
Opus Genetics, Inc
Industry
Eligibility
4 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 8, 2026, 7:28 AM EDT
Completed No phase listed Observational

Post Traumatic Stress Disorder (PTSD), Sleep Disordered Breathing And Genetics: Effects On Cognition

NCT01120847
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
55 Years to 90 Years
Enrollment
324 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2017
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2020 · Synced Sep 8, 2026, 7:28 AM EDT
Terminated No phase listed Observational

Pelvic Floor Disorders Among Sexual Minoritized Women

NCT05072158
View directory record Official record
Conditions
Sexual Function Disturbances, Pelvic Organ Prolapse, Urinary Incontinence, Fecal Incontinence
Interventions
None, this is an observational study
Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 11, 2024 · Synced Sep 8, 2026, 7:28 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Patient Observational Pain and Activity Survey (POPAS) Study Using RS-4i Sequential Stimulator With Intersperse Technology in Axial Spine and Peripheral Joint Pain

NCT05478265
View directory record Official record
Conditions
Osteoarthritis
Interventions
RS-4i Plus
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 89 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2025 · Synced Sep 8, 2026, 7:28 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Glucose, Activity, Diet, & Sleep Assessment Study

NCT05139264
View directory record Official record
Conditions
Metabolism Disorder, Glucose
Interventions
Observational
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 8, 2026, 7:28 AM EDT
Completed No phase listed Observational Results available

Changes in Gene Transcription and Immunophenotypes Following Mepolizumab Treatment for Asthma

NCT05002621
View directory record Official record
Conditions
Eosinophilic Asthma
Interventions
Observational
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Sep 8, 2026, 7:28 AM EDT
Completed No phase listed Observational

Stress and Treatment Response in Puerto Rican Children With Asthma

NCT03134755
View directory record Official record
Conditions
Asthma in Children
Interventions
Inhaled corticosteroid (mometasone)
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
8 Years to 20 Years
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 8, 2026, 7:28 AM EDT
Completed No phase listed Observational

PREP (Pre-Exposure Prophylaxis) of COVID-19

NCT05461378
View directory record Official record
Conditions
Immuno-Deficiency, COVID-19
Interventions
Evusheld
Drug
Lead sponsor
Ghady Haidar
Other
Eligibility
12 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 14, 2024 · Synced Sep 8, 2026, 7:28 AM EDT
Active, not recruiting No phase listed Observational

A Prospective, Multicenter, Open-Label, Observational Phase 4 Study to Evaluate Real-World Safety, Tolerability, and Treatment Patterns of Pegcetacoplan (Syfovre) in Patients With Geographic Atrophy Secondary to Age-Related Macular Degeneration

NCT06161584
View directory record Official record
Conditions
Geographic Atrophy
Interventions
Pegcetacoplan
Drug
Lead sponsor
Apellis Pharmaceuticals, Inc.
Industry
Eligibility
60 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
34
States / cities
Bakersfield, California • Beverly Hills, California • Fullerton, California + 28 more
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 8, 2026, 7:28 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Role of Cardiometabolic Risk Factors in Childhood Bone Development

NCT02355717
View directory record Official record
Conditions
Obesity, Cardiovascular Disease, Type 2 Diabetes, Osteoporosis
Interventions
Observational Study
Other
Lead sponsor
Augusta University
Other
Eligibility
9 Years to 15 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 19, 2019 · Synced Sep 8, 2026, 7:28 AM EDT
Recruiting No phase listed Observational

Prospective Registry to Evaluate Outcomes of NanoBone® Bone Graft in Acute Trauma

NCT06256458
View directory record Official record
Conditions
Fractures, Bone
Interventions
NanoBone® Bone Graft
Device
Lead sponsor
Artoss Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Sep 8, 2026, 7:28 AM EDT
Recruiting No phase listed Observational

An Observational Cohort Study to Characterize the Effectiveness and Safety of HEMGENIX® in Patients With Hemophilia B

NCT06008938
View directory record Official record
Conditions
Hemophilia B
Interventions
HEMGENIX, Factor IX (FIX)
Genetic · Biological
Lead sponsor
CSL Behring
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2043
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 8, 2026, 7:28 AM EDT
Completed No phase listed Observational

Concordance of Inivata Liquid Biopsy With Standard Tissue Biopsy

NCT03116633
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
Not listed
Lead sponsor
Inivata
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
6
States / cities
Fort Smith, Arkansas • Joplin, Missouri • Springfield, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Sep 8, 2026, 7:28 AM EDT
Recruiting No phase listed Observational

Biomarkers of Phage Treatment Response in NTM and Other Infections

NCT07076238
View directory record Official record
Conditions
Nontuberculous Mycobacterial Lung Disease
Interventions
Bacteriophage Treatment
Biological
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 8, 2026, 7:28 AM EDT
Completed No phase listed Observational

A Natural History Study of Fibrodysplasia Ossificans Progressiva (FOP)

NCT02322255
View directory record Official record
Conditions
Fibrodysplasia Ossificans Progressiva
Interventions
Not listed
Lead sponsor
Clementia Pharmaceuticals Inc.
Industry
Eligibility
Up to 65 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
San Francisco, California • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 25, 2020 · Synced Sep 8, 2026, 7:28 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Cor360: Clinician-Facing Broad-Spectrum Cardiac Phenotyping and Risk Assessment Using COR® Wearable ECG to Inform Outcomes-Oriented Care Pathways

NCT07775976
View directory record Official record
Conditions
Cardiovascular Diseases, Cardiovascular Diseases Risk, Cardiac Conduction System Disease, Bundle/Fascicular Abnormalities, His-Purkinje Disease, Arrhythmias, Cardiac, Rhythm Phenotypes, Myocardial Ischemia, Syncope, Syncope Recurrent, Syncope and Collapse, Seizure Disorder, Sleep Apnea Syndrome, Obstructive, Decision Support Systems, Clinical, Heart Failure - NYHA II - IV, Heart Failure (for Example, Fluid Overload), HRV, Cardiopulmonary, Sudden Cardiac Arrest, Cardiac Arrest (CA), Ventricular Arrhythmias and Cardiac Arrest, Ventricular Fibrillation, QT Dispersion, Atrial Cardiomyopathy
Interventions
COR Wearable ECG Monitoring, Cor360 Clinician-Facing Decision-Aid Reporting
Device · Other
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
2
States / cities
Pasadena, California • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 8, 2026, 7:28 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

ESP vs QL for Total Abdominal Hysterectomy

NCT04074226
View directory record Official record
Conditions
Postoperative Pain
Interventions
Erector Spinae Plane block, Quadratus Lumborum Block
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 3, 2023 · Synced Sep 8, 2026, 7:28 AM EDT