{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study+without+intervention&page=2", "query": { "intervention": "Observational study without intervention", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 132, "total_pages": 14, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study+without+intervention&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+study+without+intervention&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-24T10:49:34.184Z", "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 ], "trials": [ { "nct_id": "NCT02832505", "title": "Applications of MRI in Kidney Disease", "overall_status": "WITHDRAWN", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Chronic Kidney Disease", "End-stage Kidney Disease" ], "interventions": [ { "name": "No intervention but only observational", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Minnesota", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "45 Years", "maximum_age": null, "sex": "ALL", "summary": "45 Years and older" }, "enrollment_count": 0, "start_date": "2025-10-30", "completion_date": "2028-08-30", "has_results": false, "last_update_posted_date": "2025-03-25", "last_synced_at": "2026-10-24T10:49:34.184Z", "location_count": 1, "location_summary": "Minneapolis, Minnesota", "locations": [ { "city": "Minneapolis", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT02832505" }, { "nct_id": "NCT02404714", "title": "A Multi-Center Study of the CF Quantum® Sweat Test System", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cystic Fibrosis" ], "interventions": [ { "name": "Iontophoresis sweat test", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Polychrome Medical, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 55, "start_date": "2017-02-08", "completion_date": "2018-07-01", "has_results": false, "last_update_posted_date": "2018-08-31", "last_synced_at": "2026-10-24T10:49:34.184Z", "location_count": 6, "location_summary": "Birmingham, Alabama • Chicago, Illinois • Ann Arbor, Michigan + 3 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Ann Arbor", "state": "Michigan" }, { "city": "Minneapolis", "state": "Minnesota" }, { "city": "Dayton", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT02404714" }, { "nct_id": "NCT07641738", "title": "Collecting Data on Retinal Blood Blood Flow and Blood Vessel Shape/Appearance Using an Investigational Device, XyCAM CRE, and to Then Compare Those Images With Images Collected From a Patient's Routine Clinical Examination.", "overall_status": "NOT_YET_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Microvascular Disease", "Retinal Disease" ], "interventions": [ { "name": "XyCAM CRE Imaging", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Stuart Terry Eye Associates", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "100 Years", "sex": "ALL", "summary": "21 Years to 100 Years" }, "enrollment_count": 350, "start_date": "2026-06-15", "completion_date": "2030-06-15", "has_results": false, "last_update_posted_date": "2026-06-11", "last_synced_at": "2026-10-24T10:49:34.184Z", "location_count": 1, "location_summary": "San Antonio, Texas", "locations": [ { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT07641738" }, { "nct_id": "NCT04190134", "title": "Socially Assistive Robots to Enhance Magnification Device Use for Reading", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Low Vision" ], "interventions": [ { "name": "Socially Assistive Robot for Low Vision Rehabilitation", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "University of California, Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 20, "start_date": "2022-04-22", "completion_date": "2025-02", "has_results": false, "last_update_posted_date": "2024-07-19", "last_synced_at": "2026-10-24T10:49:34.184Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04190134" }, { "nct_id": "NCT02040714", "title": "Multicenter Prospective Cohort Study on Current Treatments of Legg-Calvé-Perthes Disease", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Legg Calve Perthes Disease" ], "interventions": [ { "name": "Osteotomy + Long Term Non-Weight Bearing", "type": "PROCEDURE" }, { "name": "Osteotomy + Short Term Non-Weight Bearing", "type": "PROCEDURE" }, { "name": "Nonoperative Observation", "type": "PROCEDURE" }, { "name": "Multiple Epiphyseal Drilling", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "Texas Scottish Rite Hospital for Children", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Year", "maximum_age": "18 Years", "sex": "ALL", "summary": "1 Year to 18 Years" }, "enrollment_count": 1500, "start_date": "2012-08", "completion_date": "2032-09", "has_results": false, "last_update_posted_date": "2025-05-06", "last_synced_at": "2026-10-24T10:49:34.184Z", "location_count": 28, "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 23 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02040714" }, { "nct_id": "NCT03143348", "title": "Prognostic Markers of Inflammation in Infants Undergoing Cardiopulmonary Bypass", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Congenital Heart Defect", "Cardiopulmonary Bypass", "Inflammatory Response", "Low Cardiac Output Syndrome", "Inflammation" ], "interventions": [ { "name": "Single blood draw", "type": "PROCEDURE" }, { "name": "Multiple blood draws", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "University of Oklahoma", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "6 Months", "sex": "ALL", "summary": "Up to 6 Months" }, "enrollment_count": 38, "start_date": "2017-06-04", "completion_date": "2019-04-15", "has_results": false, "last_update_posted_date": "2019-04-30", "last_synced_at": "2026-10-24T10:49:34.184Z", "location_count": 1, "location_summary": "Oklahoma City, Oklahoma", "locations": [ { "city": "Oklahoma City", "state": "Oklahoma" } ], "official_url": "https://clinicaltrials.gov/study/NCT03143348" }, { "nct_id": "NCT01692223", "title": "A Safety Study Assessing the Effects of Receiving Genome Sequencing Results", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "History of Cancer" ], "interventions": [ { "name": "qualitative interviews", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Memorial Sloan Kettering Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 8, "start_date": "2012-09", "completion_date": "2018-08", "has_results": false, "last_update_posted_date": "2018-08-02", "last_synced_at": "2026-10-24T10:49:34.184Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01692223" }, { "nct_id": "NCT06797830", "title": "Improving Core Strength in the Warfighter With a Novel Device", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Core Strengthening", "Posture", "Low Back Pain" ], "interventions": [ { "name": "AllCore", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "David Moss", "sponsor_class": "FED", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 43, "start_date": "2025-01-21", "completion_date": "2027-01", "has_results": false, "last_update_posted_date": "2026-02-04", "last_synced_at": "2026-10-24T10:49:34.184Z", "location_count": 1, "location_summary": "Nellis Air Force Base, Nevada", "locations": [ { "city": "Nellis Air Force Base", "state": "Nevada" } ], "official_url": "https://clinicaltrials.gov/study/NCT06797830" }, { "nct_id": "NCT03525353", "title": "Comparison Of Radiation Exposure To Patients During Endoscopic Retrograde Cholangiopancreatography (ERCP) Performed By Endoscopists Trained In Judicious Use Of Fluoroscopy With Those Without Formal Training", "overall_status": "UNKNOWN", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Pancreatic Cancer" ], "interventions": [ { "name": "Endoscopic retrograde cholangiopancreatography - No Intervention have been used other than standard of care", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "The University of Texas Health Science Center, Houston", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "100 Years", "sex": "ALL", "summary": "18 Years to 100 Years" }, "enrollment_count": 1000, "start_date": "2015-11", "completion_date": "2025-12", "has_results": false, "last_update_posted_date": "2021-01-12", "last_synced_at": "2026-10-24T10:49:34.184Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03525353" }, { "nct_id": "NCT01985737", "title": "Catheter Biofilm Microbiome in Infected Neonatal Catheters.", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Catheter-associated Bloodstream Infections (CLABSI)" ], "interventions": [ { "name": "Sample collection", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Baylor College of Medicine", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Day", "maximum_age": "3 Weeks", "sex": "ALL", "summary": "1 Day to 3 Weeks" }, "enrollment_count": 144, "start_date": "2013-11-01", "completion_date": "2017-04-01", "has_results": false, "last_update_posted_date": "2020-06-05", "last_synced_at": "2026-10-24T10:49:34.184Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01985737" } ] }