{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=44", "query": { "intervention": "Longitudinal", "page": 44 }, "page_size": 10 }, "pagination": { "page": 44, "page_size": 10, "total_count": 1258, "total_pages": 126, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=45&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Longitudinal&page=43&page_size=10" }, "source": "remote", "last_synced_at": "2026-11-04T05:48:34.747Z", "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.", "notes": [ "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.", "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.", "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees." ], "trials": [ { "nct_id": "NCT04661657", "title": "COvid-19 LongitUdinal Multiethnic BioImaging Assessment of CARDiovascular Sequelae Registry", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Covid19", "Cardiac Disease", "Cardiac Arrhythmia", "Myocarditis", "Left Ventricular Dysfunction" ], "interventions": [ { "name": "Transthoracic echocardiogram (TTE)", "type": "OTHER" }, { "name": "Cardiovascular Magnetic Resonance (CMR) Imaging", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Columbia University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 52, "start_date": "2020-12-28", "completion_date": "2022-01-22", "has_results": false, "last_update_posted_date": "2022-06-06", "last_synced_at": "2026-11-04T05:48:34.747Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT04661657" }, { "nct_id": "NCT07732608", "title": "PROSPECT Registry for Individuals at Risk for Genetic Prion Disease", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Prion Diseases" ], "interventions": [], "intervention_types": [], "sponsor": "Brian Appleby", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 2000, "start_date": "2026-08-25", "completion_date": "2036-08", "has_results": false, "last_update_posted_date": "2026-09-16", "last_synced_at": "2026-11-04T05:48:34.747Z", "location_count": 1, "location_summary": "Cleveland, Ohio", "locations": [ { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT07732608" }, { "nct_id": "NCT06270043", "title": "Focal Therapy for Localized Prostate Cancer", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Prostate Cancer" ], "interventions": [ { "name": "Focal Therapy", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "University of California, San Diego", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "MALE", "summary": "18 Years and older · Male only" }, "enrollment_count": 500, "start_date": "2024-02-01", "completion_date": "2034-02-01", "has_results": false, "last_update_posted_date": "2024-02-26", "last_synced_at": "2026-11-04T05:48:34.747Z", "location_count": 1, "location_summary": "La Jolla, California", "locations": [ { "city": "La Jolla", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06270043" }, { "nct_id": "NCT03019978", "title": "Person-Centered Assessment and Monitoring Systems", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Autism Spectrum Disorder" ], "interventions": [ { "name": "PCAMS assessments", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Milton S. Hershey Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 60, "start_date": "2016-07", "completion_date": "2019-08", "has_results": false, "last_update_posted_date": "2020-04-08", "last_synced_at": "2026-11-04T05:48:34.747Z", "location_count": 1, "location_summary": "Hershey, Pennsylvania", "locations": [ { "city": "Hershey", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT03019978" }, { "nct_id": "NCT01434368", "title": "A Longitudinal Investigation of the Endocrine and Neurobiologic Events Accompanying Puberty", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "fMRI" ], "interventions": [], "intervention_types": [], "sponsor": "National Institute of Mental Health (NIMH)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "7 Years", "maximum_age": "35 Years", "sex": "ALL", "summary": "7 Years to 35 Years" }, "enrollment_count": 480, "start_date": "2011-11-23", "completion_date": null, "has_results": false, "last_update_posted_date": "2026-10-29", "last_synced_at": "2026-11-04T05:48:34.747Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT01434368" }, { "nct_id": "NCT05491499", "title": "Assessing the Impact of Exercise Based Intensive Interdisciplinary Pain Treatment (IIPT) on Endogenous Pain Modulation in Youth With Chronic Pain Syndromes", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Chronic Pain Syndrome", "Fibromyalgia", "Chronic Headache Disorder", "Functional Abdominal Pain Syndrome", "Complex Regional Pain Syndromes" ], "interventions": [], "intervention_types": [], "sponsor": "Boston Children's Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "10 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "10 Years to 17 Years" }, "enrollment_count": 43, "start_date": "2022-10-17", "completion_date": "2023-11-30", "has_results": false, "last_update_posted_date": "2024-06-26", "last_synced_at": "2026-11-04T05:48:34.747Z", "location_count": 1, "location_summary": "Waltham, Massachusetts", "locations": [ { "city": "Waltham", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT05491499" }, { "nct_id": "NCT04598932", "title": "Corneal Biomechanical Analysis Using Brillouin Microscopy", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Keratoconus", "Keratoconus, Unstable", "Keratoconus, Stable" ], "interventions": [ { "name": "Brillouin microscopy", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "The Cleveland Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "60 Years", "sex": "ALL", "summary": "18 Years to 60 Years" }, "enrollment_count": 220, "start_date": "2021-06-01", "completion_date": "2027-12", "has_results": false, "last_update_posted_date": "2026-10-01", "last_synced_at": "2026-11-04T05:48:34.747Z", "location_count": 1, "location_summary": "Cleveland, Ohio", "locations": [ { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT04598932" }, { "nct_id": "NCT07048574", "title": "TIDES 2.0: Prevalence and Longitudinal Course of Depression, Anxiety, and Behavior Problems in Children With Cystic Fibrosis Under 12 Years of Age", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cystic Fibrosis (CF)" ], "interventions": [], "intervention_types": [], "sponsor": "State University of New York at Buffalo", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Months", "maximum_age": "11 Years", "sex": "ALL", "summary": "18 Months to 11 Years" }, "enrollment_count": 600, "start_date": "2025-06-02", "completion_date": "2028-06-30", "has_results": false, "last_update_posted_date": "2026-11-03", "last_synced_at": "2026-11-04T05:48:34.747Z", "location_count": 13, "location_summary": "Orange, California • Aurora, Colorado • Hollywood, Florida + 10 more", "locations": [ { "city": "Orange", "state": "California" }, { "city": "Aurora", "state": "Colorado" }, { "city": "Hollywood", "state": "Florida" }, { "city": "Orlando", "state": "Florida" }, { "city": "Bloomington", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT07048574" }, { "nct_id": "NCT07362225", "title": "MPN PROGRESSion Registry: Observational Study Tracking Symptoms, Treatments, and Disease Progression in People With Myeloproliferative Neoplasms (MPNs)", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Polycythemia Vera", "ET (Essential Thrombocythemia)", "Polycythemia Vera (PV)", "Essential Thrombocythemia (ET)", "Primary Myelofibrosis (MF)", "Primary Myelofibrosis (PMF)", "Myelofibrosis", "Myelofibrosis (MF)", "Myelofibrosis, Primary", "Myelofibrosis, Post ET", "Myelofibrosis, Post PV", "Myelofibrosis (PMF)", "Myelofibrosis，MF", "Myelofibrosis; Primary Myelofibrosis; Post-polycythemia Vera Myelofibrosis; Post-essential Thrombocythemia Myelofibrosis", "Myelofibrosis Due to and Following Polycythemia Vera", "Myelofibrosis Transformation in Essential Thrombocythemia", "Myelofibrosis With High Molecular Risk Mutations", "MF", "Secondary Myelofibrosis", "Secondary Myelofibrosis in Myeloproliferative Disease", "Secondary Myelofibrosis (Post-Polycythemia Vera Myelofibrosis, Post-Essential Thrombocythemia Myelofibrosis)", "Post-Polycythemia Vera Myelofibrosis", "Post-polycythemia Vera Myelofibrosis (PPV-MF)", "Post-polycythemia Vera Myelofibrosis (Post-PV MF)", "Post-polycythemia Vera Myelofibrosis(Post-PV MF)", "Post-PV MF", "Post-Essential Thrombocythemia Myelofibrosis", "Post-essential Thrombocythemia Myelofibrosis (PET-MF)", "Post-essential Thrombocythemia Myelofibrosis(Post-ET MF)", "Post-essential Thrombocythemia Myelofibrosis (Post-ET MF)", "Post-ET MF", "Pre-fibrotic Myelofibrosis", "Myeloproliferative Disorder", "Myeloproliferative Disorders", "Myeloproliferative Disorders (MPD)", "Myeloproliferative Neoplasms (MPNs)", "Myeloproliferative Neoplasm(MPN)-Associated Myelofibrosis", "Myeloproliferative Neoplasm With 10% Blasts or Higher", "Myeloproliferative Neoplasms", "MPN", "MPN (Myeloproliferative Neoplasms)", "MPN-associated Myelofibrosis", "Myeloproliferative Neoplasm, Unclassifiable", "Myeloproliferative Neoplasm, Not Otherwise Specified", "Accelerated Phase MPN", "Accelerated Phase Myeloproliferative Neoplasm", "Blast Phase MPN", "Blast Phase Myeloproliferative Neoplasm", "Thrombocythemia Myelofibrosis (PET-MF)", "Thrombocythemia, Essential", "Thrombocythemia, Hemorrhagic", "Agnogenic Myeloid Metaplasia", "Chronic Idiopathic Myelofibrosis", "Idiopathic Myelofibrosis", "MDS/MPN Crossover Syndromes" ], "interventions": [], "intervention_types": [], "sponsor": "MPN Research Foundation", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 5000, "start_date": "2025-09-26", "completion_date": "2035-09-08", "has_results": false, "last_update_posted_date": "2026-01-23", "last_synced_at": "2026-11-04T05:48:34.747Z", "location_count": 2, "location_summary": "Chicago, Illinois • New York, New York", "locations": [ { "city": "Chicago", "state": "Illinois" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT07362225" }, { "nct_id": "NCT04806620", "title": "Unhide® Project: A Digital Health Platform to Collect Lifestyle Data for Brain Inflammation Research", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Post-Acute COVID-19 Syndrome", "ME/CFS", "Rheumatic Arthritis", "Juvenile Rheumatoid Arthritis (JRA)", "Psoriatic Arthritis (PsA)", "Ankylosing Spondylitis (AS)", "Autoimmune Encephalitis", "Celiac Disease", "Celiac Disease in Children", "Chronic Lyme Disease", "Post-treatment Lyme Disease Syndrome", "Crohn's Disease", "Dysautonomia", "Anorexia Nervosa", "Bulimia Nervosa", "ARFID", "Avoidant / Restrictive Food Intake Disorder", "Ehlers Danlos Syndrome", "Endometriosis", "Fibromyalgia (FM)", "Long COVID", "Lupus", "Migraines", "Mast Cell Activation Syndrome", "Multiple Sclerosis", "Myalgic Encephalomyelitis (ME)", "Myasthenia Gravis, Generalized", "Myasthenia Gravis in Children", "Narcolepsy", "Obsessive Compulsive Disorder (OCD)", "PANDAS", "Pediatric Acute-onset Neuropsychiatric Syndrome (PANS)", "POTS - Postural Orthostatic Tachycardia Syndrome", "General Anxiety Disorder, Social Anxiety Disorder", "PTSD - Post Traumatic Stress Disorder", "Psoriasis", "Traumatic Brain Injury", "Tourette's Syndrome", "Inflammatory Bowel Disease (IBD)", "Autoimmune Diseases", "Neurological Diseases or Conditions", "Psychiatric Disorder", "Sjogren's Syndrome", "Ulcerative Colitis and Crohn's Disease" ], "interventions": [], "intervention_types": [], "sponsor": "Brain Inflammation Collaborative", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "2 Years", "maximum_age": null, "sex": "ALL", "summary": "2 Years and older" }, "enrollment_count": 10000, "start_date": "2023-07-05", "completion_date": "2030-12-31", "has_results": false, "last_update_posted_date": "2026-01-22", "last_synced_at": "2026-11-04T05:48:34.747Z", "location_count": 1, "location_summary": "Delafield, Wisconsin", "locations": [ { "city": "Delafield", "state": "Wisconsin" } ], "official_url": "https://clinicaltrials.gov/study/NCT04806620" } ] }