{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=omafilcon+A",
    "query": {
      "intervention": "omafilcon A"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T01:17:08.755Z",
  "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": "NCT01966770",
      "title": "Clinical Evaluation of Hydrogels vs Silicone Hydrogel Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Pair 1 (ocufilcon D / ocufilcon D)",
          "type": "DEVICE"
        },
        {
          "name": "Pair 2 (ocufilcon D / enfilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Pair 3 (ocufilcon D / comfilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Pair 4 (methafilcon A / methafilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Pair 5 (methafilcon A / comfilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Pair 6 (omafilcon A / comfilcon A)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-10",
      "completion_date": "2013-11",
      "has_results": true,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-09-07T01:17:08.755Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01966770"
    },
    {
      "nct_id": "NCT01526902",
      "title": "Proclear 1-D Multifocal Nondispensing Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "omafilcon A / PC 1-D MF",
          "type": "DEVICE"
        },
        {
          "name": "lotrafilcon B / Air Optix MF",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "40 Years to 65 Years"
      },
      "enrollment_count": 49,
      "start_date": "2012-02",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2014-04-07",
      "last_synced_at": "2026-09-07T01:17:08.755Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01526902"
    },
    {
      "nct_id": "NCT03417557",
      "title": "Clinical Validation Study of Comfilcon A Multifocal Toric Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Comfilcon A lens (test)",
          "type": "DEVICE"
        },
        {
          "name": "Omafilcon B lens (control)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 20,
      "start_date": "2018-01-12",
      "completion_date": "2018-04-03",
      "has_results": true,
      "last_update_posted_date": "2020-05-04",
      "last_synced_at": "2026-09-07T01:17:08.755Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03417557"
    },
    {
      "nct_id": "NCT06611410",
      "title": "1 Week Crossover Study Between Two Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Test Lenses (stenfilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Control Lenses (omafilcon A)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "8 Years to 18 Years"
      },
      "enrollment_count": 10,
      "start_date": "2024-06-05",
      "completion_date": "2024-07-26",
      "has_results": true,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-09-07T01:17:08.755Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06611410"
    },
    {
      "nct_id": "NCT06869044",
      "title": "A Clinical Comparison of Proclear® 1 Day Multifocal and Clariti® 1 Day Multifocal 3 Add",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Hyperopia",
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "omafilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "Low ADD power somofilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "Medium ADD power somofilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "High ADD power somofilcon 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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2025-02-11",
      "completion_date": "2025-06-26",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-07T01:17:08.755Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06869044"
    },
    {
      "nct_id": "NCT02024698",
      "title": "Multi-center Clinical Evaluation of PC 1-Day vs 1-Day Acuvue Moist",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "omafilcon A",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 43,
      "start_date": "2014-01",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-09-07T01:17:08.755Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • Lake Zurich, Illinois • Athens, Ohio + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Lake Zurich",
          "state": "Illinois"
        },
        {
          "city": "Athens",
          "state": "Ohio"
        },
        {
          "city": "New Albany",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02024698"
    }
  ]
}