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ClinicalTrials.gov public records Last synced Nov 1, 2026, 5:04 PM EST

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

Showing 793–816 of 1,254 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Longitudinal Clear all
Completed No phase listed Observational

Metabolite Levels in Ovarian Cancer Patients Receiving Maintenance PARP Inhibitors

NCT04917744
View directory record Official record
Conditions
Ovarian Carcinoma
Interventions
Biospecimen Collection, Laboratory Biomarker Analysis, Medical Chart Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Nov 1, 2026, 5:04 PM EST
Recruiting No phase listed Observational

Long-Term Study of COVID-19 Infection and Long COVID

NCT07781501
View directory record Official record
Conditions
SARS CoV-2 Post-Acute Sequelae
Interventions
This study is observational. Only patients who have previously tested positive for SARS-CoV-2 infection or are experiencing ongoing symptoms.
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 75 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Recruiting Not applicable Interventional

Amnioinfusion's Protective Effects on Respiratory and Longitudinal Pediatric Outcomes After Intrapartum Meconium Exposure

NCT07274527
View directory record Official record
Conditions
Neonatal Respiratory Distress Related Conditions, Meconium, Perinatal Morbidity, Neonatal Acidosis, Cord Blood, Neonatal Brain Injury, Maternal Morbidity, Mechanical Ventilation, CPAP, Surfactant, Perinatal Death, Amnioinfusion, NICU Admission
Interventions
Intrauterine pressure catheter, Standard obstetric care at discretion of delivery provider
Device · Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Completed Not applicable Interventional Results available

Mindfulness Based Stress Reduction for Parkinson's Disease: A Longitudinal Study

NCT03998462
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Mindfulness Based Stress Reduction, Psychoeducational Supportive Care
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Nov 1, 2026, 5:04 PM EST
Recruiting Not applicable Interventional

Study of Longitudinal Plasma PD-L1 Testing With Immunotherapy in Lung Cancer

NCT06849518
View directory record Official record
Conditions
Lung Cancer (NSCLC)
Interventions
Circulogene liquid biopsy testing
Diagnostic Test
Lead sponsor
Ballad Health
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Kingsport, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 28, 2025 · Synced Nov 1, 2026, 5:04 PM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Acute Alcohol Response In Bipolar Disorder: a Longitudinal Alcohol Administration/fMRI Study

NCT05838274
View directory record Official record
Conditions
Bipolar Disorder, Alcohol Drinking, Alcohol Use Disorder
Interventions
Alcohol vs. Placebo beverage conditions
Other
Lead sponsor
University of Texas at Austin
Other
Eligibility
21 Years to 26 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Treatment Monitoring in Autism Spectrum Disorder (ASD) in Children

NCT05675371
View directory record Official record
Conditions
Autism Spectrum Disorder, Autism, Developmental Delay, Autism, Early Infantile, Autism, Infantile
Interventions
Assessment by Expert Clinician During Behavioral Intervention (ABA or similar), Assessment by the EarliPoint Assessment For Autism Spectrum Disorder
Behavioral · Device
Lead sponsor
EarliTec Diagnostics, Inc
Industry
Eligibility
15 Months to 84 Months
Enrollment
325 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
9
States / cities
Phoenix, Arizona • Glendale, California • San Rafael, California + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Nov 1, 2026, 5:04 PM EST
Active, not recruiting No phase listed Observational Accepts healthy volunteers

A Natural History Study to TRACK Brain and Spinal Cord Changes in Individuals with Friedreich Ataxia (TRACK-FA)

NCT04349514
View directory record Official record
Conditions
Friedreich Ataxia
Interventions
Natural history
Other
Lead sponsor
Monash University
Other
Eligibility
5 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
3
States / cities
Gainesville, Florida • Minneapolis, Minnesota • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 27, 2024 · Synced Nov 1, 2026, 5:04 PM EST
Active, not recruiting Not applicable Interventional

Progressive Abduction Loading Therapy

NCT04118998
View directory record Official record
Conditions
Stroke, Acute
Interventions
Abduction Loading, Supported Reaching
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 85 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
3
States / cities
Chicago, Illinois • Wheaton, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Recruiting Phase 1Phase 2 Interventional

Consolidative Therapy After EV + Pembrolizumab in Muscle Invasive Bladder Cancer, REINFORCE Trial

NCT07579195
View directory record Official record
Conditions
Muscle Invasive Bladder Carcinoma, Stage III Bladder Cancer AJCC v8, Stage IV Bladder Cancer AJCC v8
Interventions
Intensity-Modulated Radiation Therapy, Volume Modulated Arc Therapy, Radiosensitizing Agent, Radical Cystectomy, Pelvic Lymphadenectomy, Stereotactic Body Radiation Therapy, Computed Tomography, Positron Emission Tomography, Magnetic Resonance Imaging, Transurethral Resection of Bladder Tumor, Cystoscopy, Biospecimen Collection, Questionnaire Administration
Radiation · Drug · Procedure + 1 more
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Recruiting Not applicable Interventional Accepts healthy volunteers

Teen Health Choices & Wellness

NCT06822569
View directory record Official record
Conditions
Health Behavior, Wellness, Psychological, Substance Use
Interventions
Cue reactivity paradigm
Other
Lead sponsor
Brown University
Other
Eligibility
13 Years to 16 Years
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Terminated Not applicable Interventional Results available

Melatonin for Circadian Sleep Disorders in the Blind

NCT00911053
View directory record Official record
Conditions
Insomnia, Blindness, Daytime Sleepiness
Interventions
Melatonin, Regular Sleep Schedule, Light
Drug · Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 100 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 27, 2019 · Synced Nov 1, 2026, 5:04 PM EST
Terminated No phase listed Observational

Hepatitis C Positive Organ to Recipient Hepatitis C Negative Longitudinal Transplant Study

NCT04057001
View directory record Official record
Conditions
Liver Transplant; Complications, Hepatitis C
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 25, 2023 · Synced Nov 1, 2026, 5:04 PM EST
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Long-term Observation of Hemagglutinin and Neuraminidase Inhibition Antibody Titers After Influenza Challenge

NCT02511002
View directory record Official record
Conditions
Post Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 120 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 29, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Completed No phase listed Observational

Oral Alkali Production and Caries Prevention in Children (Longitudinal)

NCT02398695
View directory record Official record
Conditions
Dental Caries
Interventions
Oral Samples
Other
Lead sponsor
University of Florida
Other
Eligibility
2 Years to 7 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Nov 1, 2026, 5:04 PM EST
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Occupational Exposure to Whole Body Vibration Among U.S. Military Veterans: Acute and Chronic Contributions to Musculoskeletal Disorders and Spine-Area Pain

NCT07367139
View directory record Official record
Conditions
Spine Health, Spine Injuries and Disorders, Spine Degeneration, Whole Body Vibration
Interventions
Water
Other
Lead sponsor
Milwaukee VA Medical Center
Federal
Eligibility
20 Years to 45 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Active, not recruiting Not applicable Interventional Results available

Implementation Strategies for Monitoring Adherence in Real Time

NCT04347161
View directory record Official record
Conditions
Lung Cancer, Medication Adherence, Symptoms and Signs
Interventions
Conversational Agent/Chatbot, Usual Care
Device · Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Completed No phase listed Observational

Longitudinal Study of Neurologic, Cognitive, and Radiologic Outcomes of PHACE Syndrome

NCT01018082
View directory record Official record
Conditions
PHACE Syndrome
Interventions
Not listed
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
4 Years to 6 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 22, 2017 · Synced Nov 1, 2026, 5:04 PM EST
Not listed Not applicable Interventional Accepts healthy volunteers

Beneficial or Fostering Future Struggles (B.F.F.s)? Characterizing the Role of Friends in the Development of 13- to 17-Year-Old Adolescents

NCT05893459
View directory record Official record
Conditions
Child Maltreatment, Interpersonal Relations, Victimisation, Psychopathology, Electrocardiography
Interventions
Debrief
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
13 Years to 17 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Nov 1, 2026, 5:04 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Online Neuropsychological Test Validation Project With Imaging Pilot

NCT02486250
View directory record Official record
Conditions
Validation of Online Cognitive Testing
Interventions
Validation Study
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
60 Years and older
Enrollment
982 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 1, 2021 · Synced Nov 1, 2026, 5:04 PM EST
Completed No phase listed Observational

Study to Assess the Effectiveness of AboBoNT-A Injections for Adult Lower Limb Spasticity in a Real Life Cohort

NCT04050527
View directory record Official record
Conditions
Adult Lower Limb Spasticity
Interventions
Not listed
Lead sponsor
Ipsen
Industry
Eligibility
18 Years and older
Enrollment
438 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
16
States / cities
Downey, California • Washington D.C., District of Columbia • Leawood, Kansas + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2022 · Synced Nov 1, 2026, 5:04 PM EST
Active, not recruiting No phase listed Observational

Cardiotoxicity in Locally Advanced Lung Cancer Patients Treated With Chemoradiation Therapy

NCT04305613
View directory record Official record
Conditions
Cardiotoxicity, Lung Cancer Stage III, Lung Cancer Stage II, Radiation Toxicity
Interventions
Chemoradiation
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
8
States / cities
Birmingham, Alabama • Boston, Massachusetts • St Louis, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Recruiting No phase listed Observational

Smoldering Myeloma High-Risk Patient Observation and Longitudinal Insight Trial

NCT06212323
View directory record Official record
Conditions
Smoldering Multiple Myeloma
Interventions
Patients with smoldering myeloma undergoing active surveillance with diffusion weighted whole body MRI.
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Nov 1, 2026, 5:04 PM EST
Completed No phase listed Observational Accepts healthy volunteers

Real-world Momentary Assessment of Kratom Use Accompanied by Product Assays: A Natural-history Study for Interdisciplinary Characterization of Kratom Use and Pharmacology

NCT05457803
View directory record Official record
Conditions
Chronic Pain, Fatigue, Substance Use Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2025 · Synced Nov 1, 2026, 5:04 PM EST