{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Balafilcon+A",
    "query": {
      "intervention": "Balafilcon A"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Balafilcon+A&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T21:05:51.794Z",
  "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": "NCT01240122",
      "title": "Short-Term Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Corneal Staining"
      ],
      "interventions": [
        {
          "name": "Biotrue MPS",
          "type": "DEVICE"
        },
        {
          "name": "Investigational MPS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Optics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2010-08-31",
      "completion_date": "2010-11-30",
      "has_results": true,
      "last_update_posted_date": "2025-03-03",
      "last_synced_at": "2026-09-06T21:05:51.794Z",
      "location_count": 1,
      "location_summary": "Santa Ana, California",
      "locations": [
        {
          "city": "Santa Ana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01240122"
    },
    {
      "nct_id": "NCT05956535",
      "title": "Air Optix® Night and Day® Aqua Therapeutic Wear",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bullous Keratopathy",
        "Corneal Erosion",
        "Entropion",
        "Corneal Edema",
        "Corneal Dystrophy"
      ],
      "interventions": [
        {
          "name": "Lotrafilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Balafilcon 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": 168,
      "start_date": "2023-09-26",
      "completion_date": "2024-10-25",
      "has_results": false,
      "last_update_posted_date": "2024-11-13",
      "last_synced_at": "2026-09-06T21:05:51.794Z",
      "location_count": 3,
      "location_summary": "Delray Beach, Florida • St Louis, Missouri • Fort Worth, Texas",
      "locations": [
        {
          "city": "Delray Beach",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05956535"
    },
    {
      "nct_id": "NCT02298400",
      "title": "A Clinical Study Comparing the Comfort of Three Commercially Available Contact Lenses",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contact Lens Complication"
      ],
      "interventions": [
        {
          "name": "Acuvue® Oasys® Lenses (senofilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "30-Day Bausch + Lomb PureVision (balafilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Clariti® 1-Day (Somofilcon A)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "ORA, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2014-08",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2024-04-25",
      "last_synced_at": "2026-09-06T21:05:51.794Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02298400"
    },
    {
      "nct_id": "NCT03034928",
      "title": "Clinical Biocompatibility Evaluation of Contact Lens Coatings",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors",
        "Ametropia"
      ],
      "interventions": [
        {
          "name": "Contact lens with investigational coating 1",
          "type": "DEVICE"
        },
        {
          "name": "Balafilcon A contact lens",
          "type": "DEVICE"
        },
        {
          "name": "OPTI-FREE® RepleniSH® MPDS",
          "type": "DEVICE"
        },
        {
          "name": "Contact lens with investigational coating 2",
          "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": 33,
      "start_date": "2017-02-14",
      "completion_date": "2017-03-14",
      "has_results": true,
      "last_update_posted_date": "2020-02-18",
      "last_synced_at": "2026-09-06T21:05:51.794Z",
      "location_count": 1,
      "location_summary": "Johns Creek, Georgia",
      "locations": [
        {
          "city": "Johns Creek",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03034928"
    },
    {
      "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": "2026-09-06T21:05:51.794Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00725530"
    },
    {
      "nct_id": "NCT00700752",
      "title": "A Comparison of Two Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Error",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "senofilcon A",
          "type": "DEVICE"
        },
        {
          "name": "balafilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 40,
      "start_date": "2008-05",
      "completion_date": "2008-07",
      "has_results": true,
      "last_update_posted_date": "2015-05-21",
      "last_synced_at": "2026-09-06T21:05:51.794Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00700752"
    },
    {
      "nct_id": "NCT00808340",
      "title": "Comparison of Three Soft Bifocal Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "balafilcon A",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon A production",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon A test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "35 Years to 70 Years"
      },
      "enrollment_count": 37,
      "start_date": "2008-11-01",
      "completion_date": "2008-12-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-09-06T21:05:51.794Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00808340"
    },
    {
      "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": "2026-09-06T21:05:51.794Z",
      "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": "2026-09-06T21:05:51.794Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00725153"
    },
    {
      "nct_id": "NCT01024855",
      "title": "Comparative Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Myopia",
        "Hyperopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "RevitaLens OcuTec MPS (Investigational MPS) and Opti-Free RepleniSH MPS (control)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Optics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 30,
      "start_date": "2009-04",
      "completion_date": "2009-06",
      "has_results": true,
      "last_update_posted_date": "2015-10-20",
      "last_synced_at": "2026-09-06T21:05:51.794Z",
      "location_count": 1,
      "location_summary": "Santa Ana, California",
      "locations": [
        {
          "city": "Santa Ana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01024855"
    }
  ]
}