{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=comfilcon+A",
    "query": {
      "intervention": "comfilcon A"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 57,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=comfilcon+A&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T01:55:10.712Z",
  "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": "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": "2026-09-03T01:55:10.712Z",
      "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": "NCT02719366",
      "title": "A Dispensing Clinical Trial of Comfilcon A Extended Range Multifocal Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "comfilcon A Extended Range test lens",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A control lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2016-03",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-09-03T01:55:10.712Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02719366"
    },
    {
      "nct_id": "NCT03920280",
      "title": "Clinical Evaluation of a Daily Wear Frequent Replacement Silicone Hydrogel Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "LID015385 contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A soft 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": 120,
      "start_date": "2019-05-22",
      "completion_date": "2019-10-05",
      "has_results": true,
      "last_update_posted_date": "2022-07-28",
      "last_synced_at": "2026-09-03T01:55:10.712Z",
      "location_count": 8,
      "location_summary": "Maitland, Florida • Orlando, Florida • Pensacola, Florida + 5 more",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03920280"
    },
    {
      "nct_id": "NCT01244516",
      "title": "Multi-Center 2-Week Clinical Evaluation of Three Silicone Hydrogel Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "galyfilcon A, BC 8.30",
          "type": "DEVICE"
        },
        {
          "name": "lotrafilcon B, BC 8.60",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A, BC 8.60",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 540,
      "start_date": "2010-09-01",
      "completion_date": "2010-11-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-09-03T01:55:10.712Z",
      "location_count": 35,
      "location_summary": "Brea, California • Campbell, California • Cupertino, California + 31 more",
      "locations": [
        {
          "city": "Brea",
          "state": "California"
        },
        {
          "city": "Campbell",
          "state": "California"
        },
        {
          "city": "Cupertino",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01244516"
    },
    {
      "nct_id": "NCT06165627",
      "title": "Comparison of Clinical Performance of Two Monthly Replacement Toric Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ametropia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A toric contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A toric 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": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 67,
      "start_date": "2024-01-23",
      "completion_date": "2024-05-12",
      "has_results": true,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-09-03T01:55:10.712Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Oakland, California • San Francisco, California + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06165627"
    },
    {
      "nct_id": "NCT02708524",
      "title": "Clinical Study of Approved and Investigational Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "Senofilcon C Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Samfilcon A Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 554,
      "start_date": "2016-01",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2016-11-09",
      "last_synced_at": "2026-09-03T01:55:10.712Z",
      "location_count": 18,
      "location_summary": "Montgomery, Alabama • Fruit Cove, Florida • Jacksonville, Florida + 14 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Fruit Cove",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02708524"
    },
    {
      "nct_id": "NCT04403542",
      "title": "Pilot Clinical Performance of a Silicone Hydrogel Lens for Up to Six Nights of Extended Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors",
        "Myopia",
        "Hyperopia"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A 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": 36,
      "start_date": "2020-08-03",
      "completion_date": "2020-08-31",
      "has_results": true,
      "last_update_posted_date": "2023-08-22",
      "last_synced_at": "2026-09-03T01:55:10.712Z",
      "location_count": 3,
      "location_summary": "Medina, Minnesota • Granville, Ohio • Memphis, Tennessee",
      "locations": [
        {
          "city": "Medina",
          "state": "Minnesota"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04403542"
    },
    {
      "nct_id": "NCT02920957",
      "title": "Performance Comparison Between Comfilcon A and Senofilcon C Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "comfilcon A",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon C",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "ALL",
        "summary": "18 Years to 34 Years"
      },
      "enrollment_count": 88,
      "start_date": "2016-09",
      "completion_date": "2016-11-23",
      "has_results": true,
      "last_update_posted_date": "2018-01-09",
      "last_synced_at": "2026-09-03T01:55:10.712Z",
      "location_count": 5,
      "location_summary": "Whittier, California • Ocoee, Florida • Edina, Minnesota + 2 more",
      "locations": [
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Ocoee",
          "state": "Florida"
        },
        {
          "city": "Edina",
          "state": "Minnesota"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "New Albany",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02920957"
    },
    {
      "nct_id": "NCT02185105",
      "title": "Clinical Validation of Biofinity Toric MTO (Made To Order) Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "comfilcon A MTO",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2014-06",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2017-03-07",
      "last_synced_at": "2026-09-03T01:55:10.712Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02185105"
    },
    {
      "nct_id": "NCT02436005",
      "title": "Dispensing Study for the Phenacite Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ametropia"
      ],
      "interventions": [
        {
          "name": "Phenacite",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 25,
      "start_date": "2015-04",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2020-11-18",
      "last_synced_at": "2026-09-03T01:55:10.712Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02436005"
    }
  ]
}