{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=etafilcon+A+%28A%29&page=2",
    "query": {
      "intervention": "etafilcon A (A)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 49,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=etafilcon+A+%28A%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=etafilcon+A+%28A%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T12:43:06.086Z",
  "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": "NCT03581825",
      "title": "Clinical Evaluation of a Reusable Multifocal Optical Design in a Presbyopic Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "senofilcon A Multifocal",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon A Sphere",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A Multifocal",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A Sphere",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 63,
      "start_date": "2018-06-08",
      "completion_date": "2018-08-20",
      "has_results": true,
      "last_update_posted_date": "2020-05-08",
      "last_synced_at": "2026-10-07T12:43:06.086Z",
      "location_count": 6,
      "location_summary": "Orlando, Florida • East Lansing, Michigan • Raytown, Missouri + 3 more",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "East Lansing",
          "state": "Michigan"
        },
        {
          "city": "Raytown",
          "state": "Missouri"
        },
        {
          "city": "Jamestown",
          "state": "New York"
        },
        {
          "city": "Vestal",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03581825"
    },
    {
      "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": "2026-10-07T12:43:06.086Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02328937"
    },
    {
      "nct_id": "NCT01484054",
      "title": "Dispensing Evaluation of Subjective Comfort, Vision, and Handling of a New Lens Compared to a Marketed Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Ametropia"
      ],
      "interventions": [
        {
          "name": "etafilcon A with print and PVP for dark eyes (EAPVPDE)",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A control lens (EADE)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 34 Years · Female only"
      },
      "enrollment_count": 103,
      "start_date": "2011-11",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-10-07T12:43:06.086Z",
      "location_count": 6,
      "location_summary": "Bloomfield, Connecticut • Tallahassee, Florida • Overland Park, Kansas + 3 more",
      "locations": [
        {
          "city": "Bloomfield",
          "state": "Connecticut"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Jamestown",
          "state": "New York"
        },
        {
          "city": "Kingston",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01484054"
    },
    {
      "nct_id": "NCT00569777",
      "title": "Safety Study of a Contact Lens With Ketotifen in Healthy, Normal Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Allergic Conjunctivitis"
      ],
      "interventions": [
        {
          "name": "K-Lens (generic name not established) and Ketotifen",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vistakon Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 310,
      "start_date": "2007-10",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2015-03-06",
      "last_synced_at": "2026-10-07T12:43:06.086Z",
      "location_count": 3,
      "location_summary": "Gardena, California • North Andover, Massachusetts • Memphis, Tennessee",
      "locations": [
        {
          "city": "Gardena",
          "state": "California"
        },
        {
          "city": "North Andover",
          "state": "Massachusetts"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00569777"
    },
    {
      "nct_id": "NCT01437319",
      "title": "Mucin Balls and Corneal Inflammation Events",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Corneal Inflammation",
        "Corneal Infiltrative Events"
      ],
      "interventions": [
        {
          "name": "lotrafilcon A",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A",
          "type": "DEVICE"
        },
        {
          "name": "balafilcon A",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 289,
      "start_date": "2011-09",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-10-07T12:43:06.086Z",
      "location_count": 3,
      "location_summary": "Beachwood, Ohio • Cleveland, Ohio • Columbus, Ohio",
      "locations": [
        {
          "city": "Beachwood",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01437319"
    },
    {
      "nct_id": "NCT00725153",
      "title": "Evaluation of Deposits on Contact Lenses Worn Daily Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Error"
      ],
      "interventions": [
        {
          "name": "Balafilcon A contact lenses (PureVision)",
          "type": "DEVICE"
        },
        {
          "name": "Etafilcon A contact lenses (Acuvue2)",
          "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": 55,
      "start_date": "2008-03",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2012-08-23",
      "last_synced_at": "2026-10-07T12:43:06.086Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00725153"
    },
    {
      "nct_id": "NCT00725530",
      "title": "Evaluation of Deposits on Contact Lenses Worn Extended Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "balafilcon A contact lens (PureVision)",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A contact lens (Acuvue2)",
          "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": 54,
      "start_date": "2008-03",
      "completion_date": "2008-10",
      "has_results": true,
      "last_update_posted_date": "2012-08-22",
      "last_synced_at": "2026-10-07T12:43:06.086Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00725530"
    },
    {
      "nct_id": "NCT01484028",
      "title": "Evaluation of the Performance of Two Contact Lenses Compared to a Marketed Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Ametropia"
      ],
      "interventions": [
        {
          "name": "etafilcon A control lens (1DM)",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A with print and PVP for light eyes (EALE)",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A with print and PVP for dark eyes (EADE)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 34 Years · Female only"
      },
      "enrollment_count": 275,
      "start_date": "2011-11",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-10-07T12:43:06.086Z",
      "location_count": 15,
      "location_summary": "Mission Viejo, California • Pismo Beach, California • Sarasota, Florida + 11 more",
      "locations": [
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Pismo Beach",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Winter Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01484028"
    },
    {
      "nct_id": "NCT03208088",
      "title": "Clinical Evaluation of Multifocal Toric Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "etafilcon A Investigational Toric Multifocal Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 96,
      "start_date": "2017-06-12",
      "completion_date": "2017-07-21",
      "has_results": true,
      "last_update_posted_date": "2020-09-10",
      "last_synced_at": "2026-10-07T12:43:06.086Z",
      "location_count": 7,
      "location_summary": "Whittier, California • Orlando, Florida • Kahului, Hawaii + 4 more",
      "locations": [
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Kahului",
          "state": "Hawaii"
        },
        {
          "city": "Jamestown",
          "state": "New York"
        },
        {
          "city": "Vestal",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03208088"
    },
    {
      "nct_id": "NCT02410824",
      "title": "Bilateral Dispensing Clinical Trial of Stenfilcon A Against Etafilcon A for Astigmatism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "stenfilcon A toric lens",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A toric lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2015-04",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-08-21",
      "last_synced_at": "2026-10-07T12:43:06.086Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02410824"
    }
  ]
}