{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Comfilcon+A+contact+lens&page=2", "query": { "intervention": "Comfilcon A contact lens", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 53, "total_pages": 6, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Comfilcon+A+contact+lens&page=3&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Comfilcon+A+contact+lens&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-06T23:51:40.776Z", "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": "NCT03614130", "title": "Clinical Performance of a Silicone Hydrogel Contact Lens Following Six Nights of Extended Wear", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Refractive Errors" ], "interventions": [ { "name": "LID011121 contact lens", "type": "DEVICE" }, { "name": "Comfilcon A contact lens", "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": 22, "start_date": "2018-08-23", "completion_date": "2018-09-11", "has_results": true, "last_update_posted_date": "2021-09-30", "last_synced_at": "2026-10-06T23:51:40.776Z", "location_count": 2, "location_summary": "Johns Creek, Georgia • Brentwood, Tennessee", "locations": [ { "city": "Johns Creek", "state": "Georgia" }, { "city": "Brentwood", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT03614130" }, { "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": "2026-10-06T23:51:40.776Z", "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": "NCT04055519", "title": "Clinical Performance Assessment of a Daily Wear Monthly Replacement Soft Silicone Hydrogel Contact Lens", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Refractive Errors" ], "interventions": [ { "name": "Lehfilcon A contact lenses", "type": "DEVICE" }, { "name": "Comfilcon A contact lenses", "type": "DEVICE" }, { "name": "Multi-purpose disinfection 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": 36, "start_date": "2019-09-19", "completion_date": "2019-12-03", "has_results": true, "last_update_posted_date": "2021-05-13", "last_synced_at": "2026-10-06T23:51:40.776Z", "location_count": 3, "location_summary": "Maitland, Florida • Bloomington, Illinois • Memphis, Tennessee", "locations": [ { "city": "Maitland", "state": "Florida" }, { "city": "Bloomington", "state": "Illinois" }, { "city": "Memphis", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT04055519" }, { "nct_id": "NCT05308069", "title": "Contact Lens Optics and Visual Performance", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Myopia" ], "interventions": [ { "name": "Single vision contact lens", "type": "DEVICE" }, { "name": "Multifocal contact lens", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "David A Berntsen, OD PhD", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "39 Years", "sex": "ALL", "summary": "18 Years to 39 Years" }, "enrollment_count": 24, "start_date": "2022-06-13", "completion_date": "2022-07-27", "has_results": false, "last_update_posted_date": "2022-08-09", "last_synced_at": "2026-10-06T23:51:40.776Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT05308069" }, { "nct_id": "NCT04476784", "title": "Clinical Assessment of a Daily Wear Monthly Replacement Soft Silicone Hydrogel Contact Lens", "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": 66, "start_date": "2020-08-17", "completion_date": "2020-11-18", "has_results": true, "last_update_posted_date": "2021-10-26", "last_synced_at": "2026-10-06T23:51:40.776Z", "location_count": 5, "location_summary": "Maitland, Florida • Bloomington, Illinois • Pittsburg, Kansas + 2 more", "locations": [ { "city": "Maitland", "state": "Florida" }, { "city": "Bloomington", "state": "Illinois" }, { "city": "Pittsburg", "state": "Kansas" }, { "city": "Shawnee Mission", "state": "Kansas" }, { "city": "Memphis", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT04476784" }, { "nct_id": "NCT02328937", "title": "Central Corneal Swelling With Silicone Hydrogel Materials", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Corneal Swelling" ], "interventions": [ { "name": "etafilcon A", "type": "DEVICE" }, { "name": "lotrafilcon B", "type": "DEVICE" }, { "name": "comfilcon A", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Johnson & Johnson Vision Care, Inc.", "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": 41, "start_date": "2014-11", "completion_date": "2015-04", "has_results": true, "last_update_posted_date": "2018-06-19", "last_synced_at": "2026-10-06T23:51:40.776Z", "location_count": 1, "location_summary": "Cleveland, Ohio", "locations": [ { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT02328937" }, { "nct_id": "NCT02515994", "title": "Evaluation of a Johnson & Johnson Vision Care Investigational Contact Lens Compared to a Marketed Monthly Replacement Contact Lens", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Refractive Error" ], "interventions": [ { "name": "senofilcon C", "type": "DEVICE" }, { "name": "comfilcon A", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Johnson & Johnson Vision Care, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 224, "start_date": "2015-07", "completion_date": "2015-11", "has_results": true, "last_update_posted_date": "2016-07-15", "last_synced_at": "2026-10-06T23:51:40.776Z", "location_count": 10, "location_summary": "Jacksonville, Florida • Longwood, Florida • Bloomington, Illinois + 7 more", "locations": [ { "city": "Jacksonville", "state": "Florida" }, { "city": "Longwood", "state": "Florida" }, { "city": "Bloomington", "state": "Illinois" }, { "city": "Broadway Pittsburg", "state": "Kansas" }, { "city": "Closter", "state": "New Jersey" } ], "official_url": "https://clinicaltrials.gov/study/NCT02515994" }, { "nct_id": "NCT07829419", "title": "Evaluation of Two Monthly Silicone Hydrogel Multifocal Toric in Soft Contact Lens Wearers", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Astigmatism", "Myopia" ], "interventions": [ { "name": "Lens A ( comfilcon A)", "type": "DEVICE" }, { "name": "Lens B ( lehfilcon A)", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "CooperVision International Limited (CVIL)", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "40 Years", "maximum_age": null, "sex": "ALL", "summary": "40 Years and older" }, "enrollment_count": 60, "start_date": "2026-09", "completion_date": "2027-09", "has_results": false, "last_update_posted_date": "2026-09-21", "last_synced_at": "2026-10-06T23:51:40.776Z", "location_count": 3, "location_summary": "New York, New York • Granville, Ohio • Corpus Christi, Texas", "locations": [ { "city": "New York", "state": "New York" }, { "city": "Granville", "state": "Ohio" }, { "city": "Corpus Christi", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT07829419" }, { "nct_id": "NCT04178720", "title": "Clinical Evaluation of a Daily Wear Monthly Replacement Silicone Hydrogel Lens", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Refractive Errors" ], "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": 119, "start_date": "2020-01-28", "completion_date": "2020-06-10", "has_results": true, "last_update_posted_date": "2021-10-19", "last_synced_at": "2026-10-06T23:51:40.776Z", "location_count": 8, "location_summary": "Longwood, Florida • Maitland, Florida • Orlando, Florida + 4 more", "locations": [ { "city": "Longwood", "state": "Florida" }, { "city": "Maitland", "state": "Florida" }, { "city": "Orlando", "state": "Florida" }, { "city": "Bloomington", "state": "Illinois" }, { "city": "Medina", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT04178720" }, { "nct_id": "NCT07557030", "title": "Optimization for Toric Contact Lenses", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Astigmatism", "Ametropia" ], "interventions": [ { "name": "Lens 1 ( stenfilcon A )", "type": "DEVICE" }, { "name": "Lens 2 ( comfilcon A )", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "CooperVision International Limited (CVIL)", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 45, "start_date": "2026-05", "completion_date": "2026-08", "has_results": false, "last_update_posted_date": "2026-05-06", "last_synced_at": "2026-10-06T23:51:40.776Z", "location_count": 1, "location_summary": "Bloomington, Indiana", "locations": [ { "city": "Bloomington", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT07557030" } ] }