{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=etafilcon+A+%28A%29",
    "query": {
      "intervention": "etafilcon A (A)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "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=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T20:08:17.179Z",
  "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": "NCT03653715",
      "title": "Bifocal Contact Lens Study for Adults With Age-Related Near Vision Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Clerio Vision LIRIC-modified Bifocal Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Johnson & Johnson 1-Day Acuvue Moist Multifocal Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Johnson & Johnson 1-Day Acuvue Moist Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Clerio Vision Single Vision Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Clerio Vision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2018-08-06",
      "completion_date": "2018-10-12",
      "has_results": false,
      "last_update_posted_date": "2019-04-19",
      "last_synced_at": "2026-09-25T20:08:17.179Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03653715"
    },
    {
      "nct_id": "NCT02394925",
      "title": "Acceptance & Tolerance Study of Multifocal Contact Lenses by Functional Emmetropes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vision Correction"
      ],
      "interventions": [
        {
          "name": "Multifocal Test 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": 113,
      "start_date": "2015-01-01",
      "completion_date": "2015-09-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-09-25T20:08:17.179Z",
      "location_count": 1,
      "location_summary": "Pensacola, Florida",
      "locations": [
        {
          "city": "Pensacola",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02394925"
    },
    {
      "nct_id": "NCT04032457",
      "title": "PAVES Benchmarking Pilot Study of Daily Disposable Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Phase A - olifilcon B with Tangible Coatings",
          "type": "DEVICE"
        },
        {
          "name": "Phase B - etafilcon A with Tangible Coatings",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vision Service Plan",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "ALL",
        "summary": "18 Years to 42 Years"
      },
      "enrollment_count": 144,
      "start_date": "2019-03-15",
      "completion_date": "2019-08-02",
      "has_results": false,
      "last_update_posted_date": "2020-10-06",
      "last_synced_at": "2026-09-25T20:08:17.179Z",
      "location_count": 6,
      "location_summary": "Atlanta, Georgia • Niles, Illinois • Carmel, Indiana + 3 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Niles",
          "state": "Illinois"
        },
        {
          "city": "Carmel",
          "state": "Indiana"
        },
        {
          "city": "Andover",
          "state": "Massachusetts"
        },
        {
          "city": "Westerville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04032457"
    },
    {
      "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": "2026-09-25T20:08:17.179Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02410824"
    },
    {
      "nct_id": "NCT03888469",
      "title": "Clinical Comparison of DDT2 Contact Lens and a Daily Disposable Contact Lens - Study 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Error",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Verofilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Etafilcon A contact lenses",
          "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": 92,
      "start_date": "2019-05-03",
      "completion_date": "2019-06-24",
      "has_results": true,
      "last_update_posted_date": "2020-06-25",
      "last_synced_at": "2026-09-25T20:08:17.179Z",
      "location_count": 5,
      "location_summary": "Jacksonville, Florida • Maitland, Florida • Orlando, Florida + 2 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Powell",
          "state": "Ohio"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03888469"
    },
    {
      "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": "2026-09-25T20:08:17.179Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00725530"
    },
    {
      "nct_id": "NCT02540122",
      "title": "Pilot Clinical Evaluation of Approved Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Vision Disorders"
      ],
      "interventions": [
        {
          "name": "Marketed Contact Lens 1",
          "type": "DEVICE"
        },
        {
          "name": "Marketed Contact Lens 2",
          "type": "DEVICE"
        },
        {
          "name": "Marketed Contact Lens 3",
          "type": "DEVICE"
        },
        {
          "name": "Marketed Contact Lens 4",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 30,
      "start_date": "2015-08",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2017-06-20",
      "last_synced_at": "2026-09-25T20:08:17.179Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02540122"
    },
    {
      "nct_id": "NCT03466060",
      "title": "Clinical Evaluation of 3 Contact Lens Materials With 3 Solution Types",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity, Slit Lamp Biomicroscopy (Corneal Staining Assessment)"
      ],
      "interventions": [
        {
          "name": "Opti-Free : RevitaLens / Clear Care : RevitaLens",
          "type": "DEVICE"
        },
        {
          "name": "Opti-Free : RevitaLens / RevitaLens : Clear Care",
          "type": "DEVICE"
        },
        {
          "name": "Clear Care : RevitaLens/ Opti-Free : RevitaLens",
          "type": "DEVICE"
        },
        {
          "name": "Clear Care : RevitaLens / RevitaLens : Opti-Free",
          "type": "DEVICE"
        },
        {
          "name": "RevitaLens : Clear Care/ Opti-Free : RevitaLens",
          "type": "DEVICE"
        },
        {
          "name": "RevitaLens : Clear Care / RevitaLens : Opti-Free",
          "type": "DEVICE"
        },
        {
          "name": "RevitaLens : Opti-Free / Clear Care : RevitaLens",
          "type": "DEVICE"
        },
        {
          "name": "RevitaLens : Opit-Free / RevitaLens : Clear Care",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 130,
      "start_date": "2018-02-07",
      "completion_date": "2018-06-19",
      "has_results": true,
      "last_update_posted_date": "2019-10-02",
      "last_synced_at": "2026-09-25T20:08:17.179Z",
      "location_count": 5,
      "location_summary": "Anaheim, California • Berkeley, California • Jacksonville, Florida + 2 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Berkeley",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03466060"
    },
    {
      "nct_id": "NCT01857102",
      "title": "Toric Eye Strain and Stability Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "etafilcon A",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A for Astigmatism",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 159,
      "start_date": "2013-09",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-09-25T20:08:17.179Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01857102"
    },
    {
      "nct_id": "NCT02310126",
      "title": "Handling Comparison Between Two Contact Lens Types",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "etafilcon A (multi-focal)",
          "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": 195,
      "start_date": "2014-11-01",
      "completion_date": "2014-12-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-09-25T20:08:17.179Z",
      "location_count": 8,
      "location_summary": "Jacksonville, Florida • Sarasota, Florida • Winter Park, Florida + 3 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Winter Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02310126"
    }
  ]
}