{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=lehfilcon+A+lens", "query": { "intervention": "lehfilcon A lens" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 29, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=lehfilcon+A+lens&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-28T05:20:07.662Z", "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": "NCT05050578", "title": "Clinical Assessment of Two Reusable Silicone Hydrogel Contact Lenses", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Refractive Errors" ], "interventions": [ { "name": "Lehfilcon A contact lenses", "type": "DEVICE" }, { "name": "Senofilcon A contact lenses", "type": "DEVICE" }, { "name": "CLEAR CARE", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Alcon Research", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 166, "start_date": "2021-11-02", "completion_date": "2022-02-22", "has_results": true, "last_update_posted_date": "2023-03-16", "last_synced_at": "2026-09-28T05:20:07.662Z", "location_count": 10, "location_summary": "Oakland, California • San Francisco, California • Longwood, Florida + 7 more", "locations": [ { "city": "Oakland", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Longwood", "state": "Florida" }, { "city": "Orlando", "state": "Florida" }, { "city": "Warwick", "state": "Rhode Island" } ], "official_url": "https://clinicaltrials.gov/study/NCT05050578" }, { "nct_id": "NCT04980456", "title": "Clinical Assessment of Two Daily Wear Monthly Replacement Soft Silicone Hydrogel Contact Lenses", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Myopia" ], "interventions": [ { "name": "Lehfilcon A contact lenses", "type": "DEVICE" }, { "name": "Comfilcon A contact lenses", "type": "DEVICE" }, { "name": "CLEAR CARE", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Alcon Research", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 257, "start_date": "2021-08-05", "completion_date": "2021-11-20", "has_results": true, "last_update_posted_date": "2023-01-06", "last_synced_at": "2026-09-28T05:20:07.662Z", "location_count": 14, "location_summary": "Los Angeles, California • Oakland, California • San Francisco, California + 11 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Oakland", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Longwood", "state": "Florida" }, { "city": "Maitland", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04980456" }, { "nct_id": "NCT06317038", "title": "To Evaluate the Performance of Total 30 (Lehifilcon A) Contact Lenses in Patients Using Digital Devices for Greater Than 8 Hours Per Day 5 Days Per Week Based on Subjective Reported Data.", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Eye Strain" ], "interventions": [ { "name": "Total 30 Contact Lens", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Tauber Eye Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "40 Years", "sex": "ALL", "summary": "18 Years to 40 Years" }, "enrollment_count": 35, "start_date": "2024-03-31", "completion_date": "2024-12-01", "has_results": false, "last_update_posted_date": "2025-05-01", "last_synced_at": "2026-09-28T05:20:07.662Z", "location_count": 1, "location_summary": "Kansas City, Missouri", "locations": [ { "city": "Kansas City", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT06317038" }, { "nct_id": "NCT06408649", "title": "Post-market Clinical Follow-up Study of Alcon TOTAL30® Contact Lenses (Lehfilcon A)", "overall_status": "TERMINATED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Ametropia", "Myopia", "Hyperopia", "Astigmatism" ], "interventions": [ { "name": "Lehfilcon A spherical contact lenses", "type": "DEVICE" }, { "name": "Lehfilcon A toric contact lenses", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Alcon Research", "sponsor_class": "INDUSTRY", "healthy_volunteers": null, "eligibility": { "minimum_age": "7 Years", "maximum_age": null, "sex": "ALL", "summary": "7 Years and older" }, "enrollment_count": 129, "start_date": "2024-11-15", "completion_date": "2025-04-22", "has_results": false, "last_update_posted_date": "2025-07-20", "last_synced_at": "2026-09-28T05:20:07.662Z", "location_count": 1, "location_summary": "Fort Worth, Texas", "locations": [ { "city": "Fort Worth", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT06408649" }, { "nct_id": "NCT07276347", "title": "Comprehensive Assessment of Multiple Products (CAMP)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Hyperopia", "Myopia" ], "interventions": [ { "name": "somofilcon A lens", "type": "DEVICE" }, { "name": "stenfilcon A lens", "type": "DEVICE" }, { "name": "fanfilcon A lens", "type": "DEVICE" }, { "name": "comfilcon A lens", "type": "DEVICE" }, { "name": "verofilcon A lens", "type": "DEVICE" }, { "name": "serafilcon A lens", "type": "DEVICE" }, { "name": "lehfilcon A lens", "type": "DEVICE" }, { "name": "delefilcon A lens", "type": "DEVICE" }, { "name": "senofilcon A daily disposable lens", "type": "DEVICE" }, { "name": "senofilcon A with blue light technology lens", "type": "DEVICE" }, { "name": "senofilcon A bi-weekly lens", "type": "DEVICE" }, { "name": "samfilcon A lens", "type": "DEVICE" }, { "name": "kalilfilcon A lens", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "CooperVision International Limited (CVIL)", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 36, "start_date": "2025-11-12", "completion_date": "2025-12-17", "has_results": false, "last_update_posted_date": "2026-04-13", "last_synced_at": "2026-09-28T05:20:07.662Z", "location_count": 1, "location_summary": "Bloomington, Indiana", "locations": [ { "city": "Bloomington", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT07276347" }, { "nct_id": "NCT05166902", "title": "Evaluation of Monthly Replacement Lenses in Habitual Soft Contact Lens Wearers Who Report Frequent Digital Devise Use", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Ametropia" ], "interventions": [ { "name": "Lens A (comfilcon A lens)", "type": "DEVICE" }, { "name": "Lens B (lehfilcon A lens)", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "CooperVision, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "35 Years", "sex": "ALL", "summary": "18 Years to 35 Years" }, "enrollment_count": 67, "start_date": "2022-01-31", "completion_date": "2022-07-09", "has_results": true, "last_update_posted_date": "2023-07-27", "last_synced_at": "2026-09-28T05:20:07.662Z", "location_count": 2, "location_summary": "Ocoee, Florida • State College, Pennsylvania", "locations": [ { "city": "Ocoee", "state": "Florida" }, { "city": "State College", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT05166902" }, { "nct_id": "NCT05114564", "title": "Evaluation of the Performance of Monthly Replacement Sphere Lens Designs in Habitual Soft Contact Lens Wearers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Myopia", "Hyperopia" ], "interventions": [ { "name": "Lens A (comfilcon A lens)", "type": "DEVICE" }, { "name": "Lens B (lehfilcon A lens)", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "CooperVision, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "35 Years", "sex": "ALL", "summary": "18 Years to 35 Years" }, "enrollment_count": 66, "start_date": "2021-11-19", "completion_date": "2022-04-22", "has_results": true, "last_update_posted_date": "2023-04-04", "last_synced_at": "2026-09-28T05:20:07.662Z", "location_count": 4, "location_summary": "Medina, Minnesota • Vestal, New York • Athens, Ohio + 1 more", "locations": [ { "city": "Medina", "state": "Minnesota" }, { "city": "Vestal", "state": "New York" }, { "city": "Athens", "state": "Ohio" }, { "city": "Granville", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT05114564" }, { "nct_id": "NCT06266728", "title": "T30 for Astigmatism in Digital Device Users", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Contact Lens Complication", "Astigmatism", "Refractive Errors" ], "interventions": [ { "name": "Total30 for Astigmatism Contact Lenses", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Southern College of Optometry", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "40 Years", "sex": "ALL", "summary": "18 Years to 40 Years" }, "enrollment_count": 48, "start_date": "2024-03-15", "completion_date": "2024-08-18", "has_results": false, "last_update_posted_date": "2025-02-24", "last_synced_at": "2026-09-28T05:20:07.662Z", "location_count": 2, "location_summary": "Pittsburg, Kansas • Coldwater, Mississippi", "locations": [ { "city": "Pittsburg", "state": "Kansas" }, { "city": "Coldwater", "state": "Mississippi" } ], "official_url": "https://clinicaltrials.gov/study/NCT06266728" }, { "nct_id": "NCT06052046", "title": "Total30 for Astigmatism Contact Lenses", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Contact Lens Complication", "Astigmatism", "Refractive Errors" ], "interventions": [ { "name": "TOTAL30 for Astigmatism Contact Lenses", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Southern College of Optometry", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 48, "start_date": "2023-10-15", "completion_date": "2024-06-01", "has_results": false, "last_update_posted_date": "2025-02-24", "last_synced_at": "2026-09-28T05:20:07.662Z", "location_count": 2, "location_summary": "Pittsburg, Kansas • Coldwater, Mississippi", "locations": [ { "city": "Pittsburg", "state": "Kansas" }, { "city": "Coldwater", "state": "Mississippi" } ], "official_url": "https://clinicaltrials.gov/study/NCT06052046" }, { "nct_id": "NCT04532099", "title": "Clinical Comparison of Two Daily Wear Frequent Replacement Silicone Hydrogel Soft Contact Lenses", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Refractive Errors", "Ametropia" ], "interventions": [ { "name": "Lehfilcon A contact lenses", "type": "DEVICE" }, { "name": "Senofilcon A contact lenses", "type": "DEVICE" }, { "name": "Comfilcon A contact lenses", "type": "DEVICE" }, { "name": "Hydrogen peroxide-based cleaning and disinfecting solution", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Alcon Research", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 132, "start_date": "2020-09-09", "completion_date": "2021-05-04", "has_results": true, "last_update_posted_date": "2022-05-03", "last_synced_at": "2026-09-28T05:20:07.662Z", "location_count": 4, "location_summary": "Longwood, Florida • Maitland, Florida • Warwick, Rhode Island + 1 more", "locations": [ { "city": "Longwood", "state": "Florida" }, { "city": "Maitland", "state": "Florida" }, { "city": "Warwick", "state": "Rhode Island" }, { "city": "Memphis", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT04532099" } ] }