{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+interventions+-+retrospective+data+collection", "query": { "intervention": "No interventions - retrospective data collection" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 21, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=No+interventions+-+retrospective+data+collection&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-18T07:34:15.188Z", "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": "NCT04919161", "title": "Explorations of the Benefits of the ZeroG TRiP System to Improve Balance in Patients Following Stroke", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Stroke", "Balance; Distorted" ], "interventions": [ { "name": "Body weight support system control group", "type": "DEVICE" }, { "name": "Body weight support system with balance perturbations", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Gaylord Hospital, Inc", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 32, "start_date": "2019-10-03", "completion_date": "2020-08-28", "has_results": true, "last_update_posted_date": "2021-08-17", "last_synced_at": "2026-09-18T07:34:15.188Z", "location_count": 1, "location_summary": "Wallingford, Connecticut", "locations": [ { "city": "Wallingford", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT04919161" }, { "nct_id": "NCT04381260", "title": "RUral dispaRities in prehospitAL STEMI", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "ST Elevation Myocardial Infarction", "Cardiovascular Diseases" ], "interventions": [ { "name": "No intervention", "type": "OTHER" }, { "name": "Interview", "type": "OTHER" }, { "name": "Survey", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Wake Forest University Health Sciences", "sponsor_class": "OTHER", "healthy_volunteers": null, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 473, "start_date": "2020-12-15", "completion_date": "2022-06-02", "has_results": false, "last_update_posted_date": "2024-03-27", "last_synced_at": "2026-09-18T07:34:15.188Z", "location_count": 1, "location_summary": "Winston-Salem, North Carolina", "locations": [ { "city": "Winston-Salem", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT04381260" }, { "nct_id": "NCT04291651", "title": "UCSF PANC Cyst Registry", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Pancreatic Cyst", "Pancreatic Neoplasms", "Pancreatic Cancer", "Pancreatic Diseases", "Pancreatic Intraductal Papillary Mucinous Neoplasm", "Intraductal Papillary Mucinous Neoplasm", "Pancreatic Ductal Adenocarcinoma", "Mucinous Cyst" ], "interventions": [ { "name": "Survey", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 4000, "start_date": "2019-10-08", "completion_date": "2030-01-01", "has_results": false, "last_update_posted_date": "2025-09-18", "last_synced_at": "2026-09-18T07:34:15.188Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04291651" }, { "nct_id": "NCT06741514", "title": "A Study of Precice Intramedullary Limb Lengthening System (IMLL) Limb Lengthening Procedures", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Limb Length Discrepancy" ], "interventions": [ { "name": "Precice IMLL", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "NuVasive", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 100, "start_date": "2024-03-25", "completion_date": "2026-12-30", "has_results": false, "last_update_posted_date": "2025-12-18", "last_synced_at": "2026-09-18T07:34:15.188Z", "location_count": 2, "location_summary": "West Palm Beach, Florida • Columbus, Ohio", "locations": [ { "city": "West Palm Beach", "state": "Florida" }, { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT06741514" }, { "nct_id": "NCT05242458", "title": "A Study of Ustekinumab Treatment in Children With Crohn's Disease", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Crohn's Disease" ], "interventions": [ { "name": "Ustekinumab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Janssen Research & Development, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "2 Years", "maximum_age": "25 Years", "sex": "ALL", "summary": "2 Years to 25 Years" }, "enrollment_count": 545, "start_date": "2022-03-21", "completion_date": "2023-05-22", "has_results": false, "last_update_posted_date": "2025-05-13", "last_synced_at": "2026-09-18T07:34:15.188Z", "location_count": 1, "location_summary": "Burlington, Vermont", "locations": [ { "city": "Burlington", "state": "Vermont" } ], "official_url": "https://clinicaltrials.gov/study/NCT05242458" }, { "nct_id": "NCT05991960", "title": "Evaluation of Real-World Data on the Performance of the TECNIS Odyssey™ IOL", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cataracts" ], "interventions": [ { "name": "Intervention", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Johnson & Johnson Surgical Vision, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 96, "start_date": "2023-09-11", "completion_date": "2023-12-04", "has_results": false, "last_update_posted_date": "2024-02-02", "last_synced_at": "2026-09-18T07:34:15.188Z", "location_count": 12, "location_summary": "Beverly Hills, California • Largo, Florida • Sarasota, Florida + 9 more", "locations": [ { "city": "Beverly Hills", "state": "California" }, { "city": "Largo", "state": "Florida" }, { "city": "Sarasota", "state": "Florida" }, { "city": "Honolulu", "state": "Hawaii" }, { "city": "Garden City", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT05991960" }, { "nct_id": "NCT04028479", "title": "The Registry of Oncology Outcomes Associated With Testing and Treatment", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Adenocarcinoma", "Adenocystic Carcinoma", "Anal Cancer", "Appendix Cancer", "Brain Tumor", "Glioblastoma", "Astrocytoma", "Bile Duct Cancer", "Cholangiocarcinoma", "Bladder Cancer", "Bone Cancer", "Synovial Sarcoma", "Chondrosarcoma", "Liposarcoma", "Sarcoma, Kaposi", "Sarcoma,Soft Tissue", "Sarcoma", "Osteosarcoma", "CNS Cancer", "Brain Stem Neoplasms", "Breast Cancer", "Cervical Cancer", "Colorectal Cancer", "Rectal Cancer", "Colon Cancer", "Esophageal Cancer", "Esophagus Cancer", "Cancer of Colon", "Pancreatic Cancer", "Cancer of Pancreas", "Testis Cancer", "Testicular Cancer", "Ureter Cancer", "Renal Cell Carcinoma", "Kidney Cancer", "Gestational Trophoblastic Tumor", "Head and Neck Neoplasms", "Parotid Tumor", "Larynx Cancer", "Tongue Cancer", "Pharynx Cancer", "Salivary Gland Cancer", "Acute Myeloid Leukemia", "Chronic Myeloid Leukemia", "Acute Lymphoblastic Leukemia", "Multiple Myeloma", "Non Hodgkin Lymphoma", "Carcinoid Tumor", "Lung Cancer", "Neuroendocrine Tumors", "Mesothelioma", "Thyroid Cancer", "Parathyroid Neoplasms", "Adrenal Cancer", "Small Bowel Cancer", "Stomach Cancer", "Liver Cancer", "Hepatic Cancer", "Melanoma", "Skin Cancer", "Unknown Primary Tumors", "Uterine Cancer", "Fallopian Tube Cancer", "Ovarian Cancer", "Prostate Cancer", "Vaginal Cancer", "Penile Cancer", "Vulvar Cancer", "Waldenstrom Macroglobulinemia", "Cancer, Advanced", "Thymus Cancer", "Nasopharyngeal Carcinoma", "Multiple Endocrine Neoplasia", "Pheochromocytoma", "Small Cell Carcinoma", "Pulmonary Carcinoma" ], "interventions": [ { "name": "Biomarker Testing (L)", "type": "DIAGNOSTIC_TEST" }, { "name": "Systemic Treatment (T)", "type": "DRUG" }, { "name": "Patient Reported Outcomes (P)", "type": "OTHER" } ], "intervention_types": [ "DIAGNOSTIC_TEST", "DRUG", "OTHER" ], "sponsor": "Taproot Health", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 167, "start_date": "2021-05-05", "completion_date": "2024-10-31", "has_results": false, "last_update_posted_date": "2024-12-18", "last_synced_at": "2026-09-18T07:34:15.188Z", "location_count": 2, "location_summary": "Idaho Falls, Idaho • Laredo, Texas", "locations": [ { "city": "Idaho Falls", "state": "Idaho" }, { "city": "Laredo", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04028479" }, { "nct_id": "NCT05826639", "title": "A Study of Endobiliary Radiofrequency Ablation in Malignant Biliary Obstructions", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Biliary Stricture" ], "interventions": [ { "name": "Temperature-sensitive radiofrequency ablation", "type": "PROCEDURE" }, { "name": "No intervention", "type": "OTHER" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 176, "start_date": "2023-04-13", "completion_date": "2024-11-18", "has_results": false, "last_update_posted_date": "2025-02-27", "last_synced_at": "2026-09-18T07:34:15.188Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT05826639" }, { "nct_id": "NCT04091984", "title": "The PROspera Kidney Transplant ACTIVE Rejection Assessment Registry (ProActive)", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Kidney Transplant Rejection" ], "interventions": [ { "name": "Prospera", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DIAGNOSTIC_TEST" ], "sponsor": "Natera, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 5000, "start_date": "2019-11-06", "completion_date": "2027-10-01", "has_results": false, "last_update_posted_date": "2024-08-06", "last_synced_at": "2026-09-18T07:34:15.188Z", "location_count": 55, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 45 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT04091984" }, { "nct_id": "NCT02181257", "title": "Extracorporeal Photopheresis for Medicare Recipients of Lung Allografts", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Bronchiolitis Obliterans Syndrome (BOS)" ], "interventions": [ { "name": "Extracorporeal Photopheresis (ECP)", "type": "COMBINATION_PRODUCT" }, { "name": "No intervention in the SOC / Retrospective Chart review.", "type": "OTHER" } ], "intervention_types": [ "COMBINATION_PRODUCT", "OTHER" ], "sponsor": "Washington University School of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 280, "start_date": "2015-01", "completion_date": "2028-12", "has_results": false, "last_update_posted_date": "2026-04-06", "last_synced_at": "2026-09-18T07:34:15.188Z", "location_count": 22, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 18 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "La Jolla", "state": "California" }, { "city": "Gainsville", "state": "Florida" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT02181257" } ] }