{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Optical+Tracking+Device", "query": { "intervention": "Optical Tracking Device" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 13, "total_pages": 2, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Optical+Tracking+Device&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-03T01:13:25.186Z", "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": "NCT04497363", "title": "Focused Ultrasound for the Treatment of ADHD Symptoms", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "ADHD" ], "interventions": [ { "name": "Brainsonix Pulsar 1002", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Neurological Associates of West Los Angeles", "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": 100, "start_date": "2020-07-01", "completion_date": "2026-03-02", "has_results": false, "last_update_posted_date": "2022-09-28", "last_synced_at": "2026-09-03T01:13:25.186Z", "location_count": 2, "location_summary": "Santa Monica, California", "locations": [ { "city": "Santa Monica", "state": "California" }, { "city": "Santa Monica", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04497363" }, { "nct_id": "NCT04907643", "title": "Virtual Reality for GI Cancer Pain to Improve Patient Reported Outcomes", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Cancer Pain", "Visceral Pain", "Gastrointestinal Neoplasms", "Cancer of Gastrointestinal Tract", "Small Intestine Cancer", "Pancreas Cancer", "Liver Cancer", "Colon Cancer", "Biliary Tract Cancer", "Stomach Cancer", "Rectum Cancer", "Peritoneal Cancer", "Gastrointestinal Cancer Metastatic", "Gastrointestinal Cancers - Anus", "Gastrointestinal Cancers - Stomach", "Gastrointestinal Cancers - Colorectal", "Gastrointestinal Cancers - Small Intestine", "Small Intestine Cancer Stage III", "Small Intestine Cancer Stage IV", "Small Intestine Cancer, Recurrent", "Pancreas Cancer, Stage III", "Pancreas Cancer, Stage IV", "Pancreas Cancer, Metastatic", "Pancreas Cancer, Recurrent", "Liver Cancer Stage IIIa", "Liver Cancer Stage IIIb", "Liver Cancer Stage IIIc", "Liver Cancer Stage IV", "Colon Cancer Stage III", "Colon Cancer Stage IV", "Stomach Cancer Stage III", "Stomach Cancer Stage IV", "Stomach Cancer Recurrent", "Rectum Cancer, Recurrent", "Gastrointestinal Cancers - Liver", "Anal Cancer", "Anal Cancer Stage III", "Anal Cancer Stage IV", "Anal Cancer Recurrent", "Anal Cancer Metastatic", "Anal Cancer, Stage IIIA", "Anal Cancer, Stage IIIB", "Appendix Cancer", "Ampullary Cancer", "Bile Duct Cancer", "Bile Duct Cancer Stage III", "Bile Duct Cancer Stage IV", "Bile Duct Cancer Stage IVA", "Bile Duct Cancer Stage IVB", "Bile Duct Cancer Recurrent", "Carcinoid Tumor", "Carcinoid Tumor of Pancreas", "Carcinoid Tumor of Large Intestine", "Carcinoid Tumor of GI System", "Carcinoid Tumor of Colon", "Carcinoid Tumor of Liver", "Carcinoid Tumor of Cecum", "Carcinoid Tumor of Ileum", "Carcinoid Tumor of Rectum", "Carcinoid Tumor of the Small Bowel", "Carcinoid Tumor of the Stomach", "Large Intestine Cancer", "Esophagus Cancer", "Esophagus Cancer, Stage III", "Esophagus Cancer, Stage IV", "Esophagus Cancer, Recurrent", "Gallbladder Cancer", "Gallbladder Cancer Stage III", "Gallbladder Cancer Stage IV", "Gastric (Stomach) Cancer", "Neuroendocrine Tumor", "Peritoneum Cancer", "Rectal Cancer", "Esophagus Cancer, Stage I", "Esophagus Cancer, Stage II", "Gallbladder Cancer Stage I", "Gallbladder Cancer Stage II", "Bile Duct Cancer Stage I", "Bile Duct Cancer Stage II" ], "interventions": [ { "name": "PICO G2 4k", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Cedars-Sinai Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "99 Years", "sex": "ALL", "summary": "18 Years to 99 Years" }, "enrollment_count": 360, "start_date": "2021-10-05", "completion_date": "2027-03-16", "has_results": false, "last_update_posted_date": "2026-02-20", "last_synced_at": "2026-09-03T01:13:25.186Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04907643" }, { "nct_id": "NCT05468086", "title": "VR Solace for Pain and Anxiety Using Survey and Biodata", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Chronic Pain" ], "interventions": [ { "name": "VR Solace", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Omer Liran", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "99 Years", "sex": "ALL", "summary": "18 Years to 99 Years" }, "enrollment_count": 35, "start_date": "2022-08-30", "completion_date": "2023-06-28", "has_results": true, "last_update_posted_date": "2024-11-04", "last_synced_at": "2026-09-03T01:13:25.186Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05468086" }, { "nct_id": "NCT04409353", "title": "Virtual Reality Therapy for Chronic Low Back Pain", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Chronic Low Back Pain" ], "interventions": [ { "name": "Distraction-Based VR", "type": "DEVICE" }, { "name": "Sham VR", "type": "DEVICE" }, { "name": "Skills-Based VR", "type": "DEVICE" }, { "name": "Activity Tracker", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Cedars-Sinai Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "13 Years", "maximum_age": null, "sex": "ALL", "summary": "13 Years and older" }, "enrollment_count": 413, "start_date": "2020-09-21", "completion_date": "2024-02-01", "has_results": true, "last_update_posted_date": "2025-10-31", "last_synced_at": "2026-09-03T01:13:25.186Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04409353" }, { "nct_id": "NCT04918355", "title": "A Health System Wide Evaluation of Clinical Decision Support Tools to Improve PDMP Utilization and Patient Outcomes", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Medication Abuse" ], "interventions": [ { "name": "Clinical Decision Support (CDS) alerts", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Colorado, Denver", "sponsor_class": "OTHER", "healthy_volunteers": null, "eligibility": { "minimum_age": "12 Years", "maximum_age": "89 Years", "sex": "ALL", "summary": "12 Years to 89 Years" }, "enrollment_count": 3635, "start_date": "2021-02-16", "completion_date": "2023-11-30", "has_results": true, "last_update_posted_date": "2025-09-16", "last_synced_at": "2026-09-03T01:13:25.186Z", "location_count": 1, "location_summary": "Aurora, Colorado", "locations": [ { "city": "Aurora", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT04918355" }, { "nct_id": "NCT01631318", "title": "Pilot 3D Contrast-Enhanced Ultrasound Imaging to Predict Treatment Response in Liver Metastases", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Liver Metastases", "Colon Cancer" ], "interventions": [ { "name": "Dynamic contrast-enhanced ultrasound imaging", "type": "PROCEDURE" }, { "name": "Optical Tracking Device", "type": "DEVICE" }, { "name": "Electromagnetic Tracking Device", "type": "DEVICE" }, { "name": "Perflutren", "type": "DRUG" } ], "intervention_types": [ "PROCEDURE", "DEVICE", "DRUG" ], "sponsor": "Stanford University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 34, "start_date": "2012-11-01", "completion_date": "2020-09-30", "has_results": false, "last_update_posted_date": "2022-06-10", "last_synced_at": "2026-09-03T01:13:25.186Z", "location_count": 1, "location_summary": "Stanford, California", "locations": [ { "city": "Stanford", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01631318" }, { "nct_id": "NCT05475340", "title": "Open Label Study for the Use of Transcranial Ultrasound Treatment of Tremor", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Tremor", "Parkinson Disease", "Essential Tremor" ], "interventions": [ { "name": "Focused Ultrasound", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Neurological Associates of West Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "90 Years", "sex": "ALL", "summary": "18 Years to 90 Years" }, "enrollment_count": 50, "start_date": "2022-07-13", "completion_date": "2024-08-13", "has_results": false, "last_update_posted_date": "2023-01-26", "last_synced_at": "2026-09-03T01:13:25.186Z", "location_count": 1, "location_summary": "Los Angeles, California", "locations": [ { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05475340" }, { "nct_id": "NCT04775875", "title": "The Use of Transcranial Ultrasound Treatment of Obsessive-Compulsive Disorder", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obsessive-Compulsive Disorder" ], "interventions": [ { "name": "Focused Ultrasound", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Neurological Associates of West 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": 30, "start_date": "2020-12-01", "completion_date": "2025-12-31", "has_results": false, "last_update_posted_date": "2022-09-28", "last_synced_at": "2026-09-03T01:13:25.186Z", "location_count": 2, "location_summary": "Santa Monica, California", "locations": [ { "city": "Santa Monica", "state": "California" }, { "city": "Santa Monica", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04775875" }, { "nct_id": "NCT05975658", "title": "WIReD: Wireless Interstage Remote Device Study", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Congenital Heart Disease in Children", "Vital Signs", "Pediatrics", "Remote Monitoring" ], "interventions": [ { "name": "Gabi SmartCare Pediarity System [Gabi Band, Gabi Monitor App, Gabi Analytics]", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Children's Mercy Hospital Kansas City", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "2 Years", "sex": "ALL", "summary": "Up to 2 Years" }, "enrollment_count": 13, "start_date": "2023-09-30", "completion_date": "2024-12-03", "has_results": false, "last_update_posted_date": "2024-12-05", "last_synced_at": "2026-09-03T01:13:25.186Z", "location_count": 1, "location_summary": "Kansas City, Missouri", "locations": [ { "city": "Kansas City", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT05975658" }, { "nct_id": "NCT04485208", "title": "Focused Ultrasound for the Treatment of Neuropathic Pain", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Neuropathic Pain" ], "interventions": [ { "name": "Focused Ultrasound", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Neurological Associates of West Los Angeles", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "90 Years", "sex": "ALL", "summary": "18 Years to 90 Years" }, "enrollment_count": 40, "start_date": "2020-06-30", "completion_date": "2025-12-30", "has_results": false, "last_update_posted_date": "2022-09-28", "last_synced_at": "2026-09-03T01:13:25.186Z", "location_count": 1, "location_summary": "Santa Monica, California", "locations": [ { "city": "Santa Monica", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT04485208" } ] }