{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=21", "query": { "intervention": "Visual Function Tests", "page": 21 }, "page_size": 10 }, "pagination": { "page": 21, "page_size": 10, "total_count": 670, "total_pages": 67, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=22&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Visual+Function+Tests&page=20&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-29T20:33:04.382Z", "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": "NCT03560869", "title": "The Effect of Acute Mild Dehydration on Blood Pressure Control", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Mild Dehydration" ], "interventions": [ { "name": "Normal hydration", "type": "OTHER" }, { "name": "Dehydration", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "University of Delaware", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "20 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "20 Years to 75 Years" }, "enrollment_count": 35, "start_date": "2017-08-08", "completion_date": "2019-06-13", "has_results": true, "last_update_posted_date": "2021-01-27", "last_synced_at": "2026-10-29T20:33:04.382Z", "location_count": 1, "location_summary": "Newark, Delaware", "locations": [ { "city": "Newark", "state": "Delaware" } ], "official_url": "https://clinicaltrials.gov/study/NCT03560869" }, { "nct_id": "NCT04856956", "title": "Testing Pediatric Rheumatology Diagnostic Decision Support in Clinical Use", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Diagnostic Skills for Rheumatologic Conditions" ], "interventions": [ { "name": "Diagnostic decision support software", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "PhenoSolve, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 15, "start_date": "2021-04-20", "completion_date": "2023-12-31", "has_results": false, "last_update_posted_date": "2022-10-04", "last_synced_at": "2026-10-29T20:33:04.382Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT04856956" }, { "nct_id": "NCT05639556", "title": "Strength and Muscle Related Outcomes for Nutrition and Lung Function in CF", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cystic Fibrosis" ], "interventions": [ { "name": "BMI and lean mass index from DXA", "type": "DIAGNOSTIC_TEST" }, { "name": "Anthropometric Measurements", "type": "DIAGNOSTIC_TEST" }, { "name": "Hand-grip strength", "type": "DIAGNOSTIC_TEST" }, { "name": "Six-minute walk Test", "type": "DIAGNOSTIC_TEST" }, { "name": "Sit-to-Stand Test", "type": "DIAGNOSTIC_TEST" }, { "name": "Short physical performance battery (SPPB)", "type": "DIAGNOSTIC_TEST" }, { "name": "BIA Sub-study", "type": "DIAGNOSTIC_TEST" }, { "name": "Accelerometry to assess physical activity", "type": "DIAGNOSTIC_TEST" }, { "name": "Gastrointestinal (GI) and nutrition questionnaires:", "type": "OTHER" }, { "name": "Psychosocial questionnaire: PHQ-8", "type": "OTHER" }, { "name": "Psychosocial questionnaire: GAD-7", "type": "OTHER" }, { "name": "Psychosocial questionnaire: The Treatment Self-Regulation Questionnaire (TSRQ)", "type": "OTHER" }, { "name": "Psychosocial questionnaire: CF Fatalism Scale", "type": "OTHER" }, { "name": "Psychosocial questionnaire: Body Esteem Scale for Adolescents and Adults (BESAA)", "type": "OTHER" }, { "name": "12-month Questionnaire", "type": "OTHER" }, { "name": "Oral glucose tolerance testing (OGTT)", "type": "OTHER" }, { "name": "Continuous glucose monitoring (CGM)", "type": "DEVICE" }, { "name": "Chest CT scans (When available within the past 6 months in medical records)", "type": "DIAGNOSTIC_TEST" }, { "name": "Hologic Dual X-Ray Absorptiometry (DXA)", "type": "DIAGNOSTIC_TEST" }, { "name": "Ultrasound Sub-study of assessment of appendage muscles using ultrasound", "type": "DIAGNOSTIC_TEST" }, { "name": "Psychosocial questionnaire: Hunger Vital Sign questionnaire", "type": "DIAGNOSTIC_TEST" }, { "name": "Respiratory symptom questionnaire: CRISS", "type": "OTHER" }, { "name": "Spirometry", "type": "DIAGNOSTIC_TEST" }, { "name": "Psychosocial questionnaire: Additional Health Questionnaire", "type": "OTHER" }, { "name": "CF Management Questionnaire", "type": "OTHER" }, { "name": "Food Frequency Questionnaire", "type": "OTHER" } ], "intervention_types": [ "DIAGNOSTIC_TEST", "OTHER", "DEVICE" ], "sponsor": "Jaeb Center for Health Research", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 300, "start_date": "2023-04-20", "completion_date": "2028-12", "has_results": false, "last_update_posted_date": "2026-03-13", "last_synced_at": "2026-10-29T20:33:04.382Z", "location_count": 23, "location_summary": "Tucson, Arizona • Little Rock, Arkansas • Atlanta, Georgia + 19 more", "locations": [ { "city": "Tucson", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Iowa City", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT05639556" }, { "nct_id": "NCT06183151", "title": "Capillary-Venous Paired Collection", "overall_status": "SUSPENDED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cancer", "Medical Device Performance" ], "interventions": [ { "name": "Entia Liberty System", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Entia Ltd", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": null, "sex": "ALL", "summary": "21 Years and older" }, "enrollment_count": 400, "start_date": "2025-08-13", "completion_date": "2026-12-30", "has_results": false, "last_update_posted_date": "2026-07-29", "last_synced_at": "2026-10-29T20:33:04.382Z", "location_count": 1, "location_summary": "Temple, Texas", "locations": [ { "city": "Temple", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT06183151" }, { "nct_id": "NCT03454308", "title": "Patient Centered Health Technology Medication Adherence Program for African American Hypertensives", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Hypertension", "Medication Non-Adherence" ], "interventions": [ { "name": "SMASH", "type": "BEHAVIORAL" }, { "name": "Enhanced SC", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Medical University of South Carolina", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "21 Years", "maximum_age": "59 Years", "sex": "ALL", "summary": "21 Years to 59 Years" }, "enrollment_count": 204, "start_date": "2017-04-28", "completion_date": "2021-08-17", "has_results": true, "last_update_posted_date": "2025-06-13", "last_synced_at": "2026-10-29T20:33:04.382Z", "location_count": 1, "location_summary": "Charleston, South Carolina", "locations": [ { "city": "Charleston", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT03454308" }, { "nct_id": "NCT06786117", "title": "Swallowing in OSA & CPAP Intolerance", "overall_status": "ENROLLING_BY_INVITATION", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Sleep Apnea, Obstructive", "Healthy" ], "interventions": [ { "name": "SLP swallowing exercises", "type": "OTHER" }, { "name": "myofunctional exercises", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Denise Dewald", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "40 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "40 Years to 70 Years" }, "enrollment_count": 50, "start_date": "2025-03-05", "completion_date": "2028-01-30", "has_results": false, "last_update_posted_date": "2025-03-11", "last_synced_at": "2026-10-29T20:33:04.382Z", "location_count": 1, "location_summary": "Cleveland, Ohio", "locations": [ { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT06786117" }, { "nct_id": "NCT04424979", "title": "Feasibility Tests for Various Prism Configurations for Visual Field Loss", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Hemianopia, Homonymous", "Tunnel Vision", "Visual Field Defect, Peripheral", "Visual Field Constriction Bilateral", "Visual Field Defect Homonymous Bilateral" ], "interventions": [ { "name": "High power prisms", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Massachusetts Eye and Ear Infirmary", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "7 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "7 Years to 80 Years" }, "enrollment_count": 10, "start_date": "2020-11-06", "completion_date": "2026-09-30", "has_results": false, "last_update_posted_date": "2026-10-06", "last_synced_at": "2026-10-29T20:33:04.382Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT04424979" }, { "nct_id": "NCT02419690", "title": "Sexual Health Texting Intervention to Support Adolescent Females", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Teen Sexual Health" ], "interventions": [ { "name": "text message intervention", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Denver Health and Hospital Authority", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "13 Years", "maximum_age": "18 Years", "sex": "FEMALE", "summary": "13 Years to 18 Years · Female only" }, "enrollment_count": 244, "start_date": "2015-04", "completion_date": "2017-01", "has_results": true, "last_update_posted_date": "2020-11-10", "last_synced_at": "2026-10-29T20:33:04.382Z", "location_count": 1, "location_summary": "Denver, Colorado", "locations": [ { "city": "Denver", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT02419690" }, { "nct_id": "NCT03430973", "title": "Aggressive Driving and Road Rage: A Driving Simulation Experiment.", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Aggression" ], "interventions": [ { "name": "Videos", "type": "BEHAVIORAL" }, { "name": "Bumper stickers", "type": "BEHAVIORAL" }, { "name": "Alcohol-related cues", "type": "BEHAVIORAL" }, { "name": "Music", "type": "BEHAVIORAL" }, { "name": "Roadside vegetation", "type": "BEHAVIORAL" }, { "name": "Video game", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Ohio State University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 85, "start_date": "2015-10-20", "completion_date": "2025-12-01", "has_results": false, "last_update_posted_date": "2025-12-19", "last_synced_at": "2026-10-29T20:33:04.382Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT03430973" }, { "nct_id": "NCT04099173", "title": "A Brief Mindfulness-Based Intervention for Suicidal Ideation", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Suicidal Ideation", "Psychiatric Disorder", "Addiction" ], "interventions": [ { "name": "Brief Mindfulness Based Intervention", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "VA Salt Lake City Health Care System", "sponsor_class": "FED", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "70 Years", "sex": "ALL", "summary": "18 Years to 70 Years" }, "enrollment_count": 25, "start_date": "2019-09-01", "completion_date": "2023-01-05", "has_results": false, "last_update_posted_date": "2023-05-11", "last_synced_at": "2026-10-29T20:33:04.382Z", "location_count": 1, "location_summary": "Salt Lake City, Utah", "locations": [ { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT04099173" } ] }