{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Quadrantanopia", "query": { "condition": "Quadrantanopia" }, "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?condition=Quadrantanopia&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-05-22T06:44:32.824Z", "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": "NCT02737930", "title": "Fluoxetine for Visual Recovery After Ischemic Stroke", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Acute Stroke", "Visual Field Loss" ], "interventions": [ { "name": "Fluoxetine", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Bogachan Sahin", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "18 Years to 85 Years" }, "enrollment_count": 17, "start_date": "2016-05", "completion_date": "2020-08", "has_results": true, "last_update_posted_date": "2021-10-13", "last_synced_at": "2026-05-22T06:44:32.824Z", "location_count": 1, "location_summary": "Rochester, New York", "locations": [ { "city": "Rochester", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT02737930" }, { "nct_id": "NCT07185971", "title": "PAVE (Parallactic Visual-Field Enhancement) System for Treatment of Chronic Visual Field Loss Due to Stroke, Traumatic Brain Injury, or Brain Surgery", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Homonymous Hemianopsia", "Homonymous Quadrantanopia" ], "interventions": [ { "name": "PAVE (Parallactic Visual-Field Enhancement) treatment using a virtual reality head mounted display", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "NeuroAEye LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "21 Years to 80 Years" }, "enrollment_count": 20, "start_date": "2026-03-16", "completion_date": "2026-08", "has_results": false, "last_update_posted_date": "2026-04-02", "last_synced_at": "2026-05-22T06:44:32.824Z", "location_count": 2, "location_summary": "Cedar Rapids, Iowa • Prospect, Kentucky", "locations": [ { "city": "Cedar Rapids", "state": "Iowa" }, { "city": "Prospect", "state": "Kentucky" } ], "official_url": "https://clinicaltrials.gov/study/NCT07185971" }, { "nct_id": "NCT06875206", "title": "Visual Restoration Using Focused Ultrasound Stimulation and Immersive Virtual Reality After Stroke", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Stroke", "Visual Field Defect", "Visual Field Defect Following Cerebrovascular Accident", "Hemianopia", "Quadrantanopia", "Occipital Lobe Infarct", "Visual Fields Hemianopsia" ], "interventions": [ { "name": "Low-intensity focused ultrasound", "type": "DEVICE" }, { "name": "Immersive virtual reality", "type": "DEVICE" }, { "name": "Inactive Low-intensity focused ultrasound", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 28, "start_date": "2026-03-01", "completion_date": "2027-04", "has_results": false, "last_update_posted_date": "2026-02-20", "last_synced_at": "2026-05-22T06:44:32.824Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT06875206" }, { "nct_id": "NCT06136169", "title": "Reminder-cue Scanning Training for Homonymous Visual Field Loss", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Homonymous Hemianopia", "Homonymous Quadrantanopia" ], "interventions": [ { "name": "Reminder-cue scanning training", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Massachusetts Eye and Ear Infirmary", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "16 Years", "maximum_age": null, "sex": "ALL", "summary": "16 Years and older" }, "enrollment_count": 16, "start_date": "2024-05-14", "completion_date": "2026-05", "has_results": true, "last_update_posted_date": "2026-05-12", "last_synced_at": "2026-05-22T06:44:32.824Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT06136169" }, { "nct_id": "NCT06047717", "title": "Vision Loss Impact on Navigation in Virtual Reality", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Stroke, Ischemic", "Quadrantanopia", "Hemianopsia, Homonymous", "Hemianopia, Homonymous", "Hemianopia", "Hemianopsia", "Occipital Lobe Infarct", "Visual Field Defect, Peripheral", "Vision Loss Partial", "Quadrantanopsia", "Stroke Hemorrhagic" ], "interventions": [ { "name": "Virtual Reality Driving Task", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Rochester", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "21 Years to 75 Years" }, "enrollment_count": 40, "start_date": "2023-11-28", "completion_date": "2028-10", "has_results": false, "last_update_posted_date": "2026-01-09", "last_synced_at": "2026-05-22T06:44:32.824Z", "location_count": 1, "location_summary": "Rochester, New York", "locations": [ { "city": "Rochester", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT06047717" }, { "nct_id": "NCT06121219", "title": "Effect of Visual Retraining After Stroke", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Vision Loss Partial", "Vision; Loss, Both Eyes", "Hemianopia Homonymous", "Hemianopia", "Quadrantanopia", "Stroke, Ischemic", "Stroke - Occipital Infarction", "Cortical Blindness" ], "interventions": [ { "name": "Training in the Blind Field", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of Rochester", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "21 Years to 80 Years" }, "enrollment_count": 100, "start_date": "2024-09-05", "completion_date": "2032-01", "has_results": false, "last_update_posted_date": "2025-07-16", "last_synced_at": "2026-05-22T06:44:32.824Z", "location_count": 1, "location_summary": "Rochester, New York", "locations": [ { "city": "Rochester", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT06121219" }, { "nct_id": "NCT04798924", "title": "Visual Rehabilitation After Occipital Stroke", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Stroke, Ischemic", "Quadrantanopia", "Vision Loss Partial", "Visual Field Defect, Peripheral", "Peripheral Visual Field Defect of Both Eyes", "Peripheral Visual Field Defect", "Hemianopsia", "Hemianopia", "Homonymous Hemianopia", "Homonymous Hemianopsia", "Visual Fields Hemianopsia", "Occipital Lobe Infarct", "Quadrantanopsia", "Stroke Hemorrhagic" ], "interventions": [ { "name": "Subacute Training in the intact field", "type": "DEVICE" }, { "name": "Subacute Training in the blind field", "type": "DEVICE" }, { "name": "Chronic Training in the blind field", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of Rochester", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "21 Years to 75 Years" }, "enrollment_count": 60, "start_date": "2021-07-19", "completion_date": "2028-01", "has_results": false, "last_update_posted_date": "2025-12-03", "last_synced_at": "2026-05-22T06:44:32.824Z", "location_count": 1, "location_summary": "Rochester, New York", "locations": [ { "city": "Rochester", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT04798924" }, { "nct_id": "NCT03350919", "title": "Visual Restoration for Hemianopia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Stroke Induced Vision Loss", "Hemianopia", "Quadrantanopia" ], "interventions": [ { "name": "Training in the blind field", "type": "DEVICE" }, { "name": "Training in the intact field", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of Rochester", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "21 Years to 75 Years" }, "enrollment_count": 48, "start_date": "2018-03-15", "completion_date": "2019-12-03", "has_results": true, "last_update_posted_date": "2020-12-24", "last_synced_at": "2026-05-22T06:44:32.824Z", "location_count": 3, "location_summary": "Miami, Florida • Rochester, New York • Philadelphia, Pennsylvania", "locations": [ { "city": "Miami", "state": "Florida" }, { "city": "Rochester", "state": "New York" }, { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT03350919" }, { "nct_id": "NCT04930822", "title": "Evaluation of Bioness Integrated Therapy System (BITS) Touch Screen Technology to Improve Field Awareness", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Stroke", "Neurologic Disorder", "Traumatic Brain Injury", "Acquired Brain Injury" ], "interventions": [ { "name": "Table Top Visual Intervention", "type": "OTHER" }, { "name": "Bioness Integrated Therapy System Visual Intervention", "type": "DEVICE" } ], "intervention_types": [ "OTHER", "DEVICE" ], "sponsor": "Gaylord Hospital, Inc", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 37, "start_date": "2021-01-08", "completion_date": "2024-09-23", "has_results": true, "last_update_posted_date": "2025-12-23", "last_synced_at": "2026-05-22T06:44:32.824Z", "location_count": 1, "location_summary": "Wallingford, Connecticut", "locations": [ { "city": "Wallingford", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT04930822" }, { "nct_id": "NCT06578117", "title": "Statistical Learning as a Novel Intervention for Cortical Blindness", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Stroke, Ischemic", "Hemianopia, Homonymous", "Hemianopsia", "Occipital Lobe Infarct", "Visual Field Defect, Peripheral", "Vision Loss Partial", "Quadrantanopia", "Stroke Hemorrhagic" ], "interventions": [ { "name": "Vision Training and Learning Task", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of Rochester", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "21 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "21 Years to 75 Years" }, "enrollment_count": 30, "start_date": "2024-11-06", "completion_date": "2027-10-01", "has_results": false, "last_update_posted_date": "2026-01-30", "last_synced_at": "2026-05-22T06:44:32.824Z", "location_count": 1, "location_summary": "Rochester, New York", "locations": [ { "city": "Rochester", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT06578117" } ] }