{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Corneal+collagen&page=2",
    "query": {
      "intervention": "Corneal collagen",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 60,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Corneal+collagen&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Corneal+collagen&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T11:12:51.404Z",
  "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": "NCT05516004",
      "title": "Safety and Effectiveness of the PXL-Platinum 330 System for Cornea Crosslinking in Eyes With Cornea Thinning",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Keratoconus"
      ],
      "interventions": [
        {
          "name": "PXL Platinum 330 system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cohen Laser and Vision Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2024-07-01",
      "completion_date": "2034-06-01",
      "has_results": false,
      "last_update_posted_date": "2024-06-14",
      "last_synced_at": "2026-10-02T11:12:51.404Z",
      "location_count": 1,
      "location_summary": "Boca Raton, Florida",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05516004"
    },
    {
      "nct_id": "NCT04897503",
      "title": "Corneal Collagen Crosslinking for Keratoconus and Ectasia Using Riboflavin/Dextran or Riboflavin/Methylcellulose",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Keratoconus",
        "Corneal Ectasia"
      ],
      "interventions": [
        {
          "name": "Riboflavin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cornea and Laser Eye Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 170,
      "start_date": "2021-04-16",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-04",
      "last_synced_at": "2026-10-02T11:12:51.404Z",
      "location_count": 1,
      "location_summary": "Teaneck, New Jersey",
      "locations": [
        {
          "city": "Teaneck",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04897503"
    },
    {
      "nct_id": "NCT02570321",
      "title": "Cross-linking for Corneal Ulcers Treatment Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Corneal Ulcer",
        "Infectious Keratitis",
        "Bacterial Ulcer",
        "Fungal Ulcer"
      ],
      "interventions": [
        {
          "name": "Corneal Cross-linking",
          "type": "PROCEDURE"
        },
        {
          "name": "Anti Fungal Drug",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 147,
      "start_date": "2015-11",
      "completion_date": "2019-03-19",
      "has_results": true,
      "last_update_posted_date": "2025-06-18",
      "last_synced_at": "2026-10-02T11:12:51.404Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02570321"
    },
    {
      "nct_id": "NCT07135167",
      "title": "Compassionate Use Study of Epi-ON Corneal Collagen Crosslinking Performed Using UVA Exposure on Eyes With Ectatic Corneal Diseases for Subjects With Down Syndrome",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Down Syndrome (DS)",
        "Keratoconus",
        "Pellucid Marginal Degeneration",
        "Forme Fruste Keratoconus (FFK)"
      ],
      "interventions": [
        {
          "name": "Epi-ON corneal cross-linking (CXL)",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Woolfson Eye Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2025-08-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-10-02T11:12:51.404Z",
      "location_count": 12,
      "location_summary": "Atlanta, Georgia • Canton, Georgia • Cumming, Georgia + 8 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Canton",
          "state": "Georgia"
        },
        {
          "city": "Cumming",
          "state": "Georgia"
        },
        {
          "city": "Douglasville",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07135167"
    },
    {
      "nct_id": "NCT07124910",
      "title": "Comparison of Epi-ON Corneal Collagen Crosslinking Performed Using an 18-Minute UVA Exposure vs. a 24-Minute UVA Exposure on Eyes With Ectatic Corneal Diseases",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Keratoconus",
        "Ectasia of Cornea",
        "Pellucid Marginal Corneal Degeneration",
        "Forme Fruste Keratoconus (FFK)"
      ],
      "interventions": [
        {
          "name": "Epi-ON corneal cross-linking",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Woolfson Eye Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 485,
      "start_date": "2025-08-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-10-02T11:12:51.404Z",
      "location_count": 12,
      "location_summary": "Atlanta, Georgia • Canton, Georgia • Cumming, Georgia + 8 more",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Canton",
          "state": "Georgia"
        },
        {
          "city": "Cumming",
          "state": "Georgia"
        },
        {
          "city": "Douglasville",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07124910"
    },
    {
      "nct_id": "NCT03858036",
      "title": "Corneal Collagen Cross-Linking (CXL) Performed With \"Epi-ON\" Versus \"Epi-OFF\" in Eyes With Keratoconus and Other Corneal Ectatic Disorders",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Keratoconus",
        "Ectasia"
      ],
      "interventions": [
        {
          "name": "Ricrolin+",
          "type": "DRUG"
        },
        {
          "name": "VEGA UV-A system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Center for Sight, Sacramento, CA",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 550,
      "start_date": "2019-03-08",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-02-28",
      "last_synced_at": "2026-10-02T11:12:51.404Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03858036"
    },
    {
      "nct_id": "NCT01189864",
      "title": "Cross-linking of Corneal Collagen (CXL) With Ultraviolet-A in Asymmetric Corneas",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Keratoconus",
        "Ectasia",
        "Degeneration"
      ],
      "interventions": [
        {
          "name": "Ciprofloxicin or Vigamox or other.",
          "type": "DRUG"
        },
        {
          "name": "Nonsteroidal (Acular, Acuvail, Voltaren Xibrom, etc)",
          "type": "DRUG"
        },
        {
          "name": "Steroid (FML, Pred Forte, Flarex, etc.)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cxlusa",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 3493,
      "start_date": "2010-02-01",
      "completion_date": "2017-02-03",
      "has_results": false,
      "last_update_posted_date": "2018-10-12",
      "last_synced_at": "2026-10-02T11:12:51.404Z",
      "location_count": 16,
      "location_summary": "Scottsdale, Arizona • Laguna Hills, California • San Diego, California + 13 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "West Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01189864"
    },
    {
      "nct_id": "NCT01398852",
      "title": "Safety and Effectiveness Study of the VEGA UV-A System for Cross-linking in Eyes With Keratoconus and Ectasia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Keratoconus and Ectasia"
      ],
      "interventions": [
        {
          "name": "Riboflavin",
          "type": "DRUG"
        },
        {
          "name": "VEGA UV-A Illumination System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Topcon Medical Systems, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2010-12",
      "completion_date": "2012-07",
      "has_results": true,
      "last_update_posted_date": "2022-06-29",
      "last_synced_at": "2026-10-02T11:12:51.404Z",
      "location_count": 13,
      "location_summary": "Phoenix, Arizona • Atlanta, Georgia • Boston, Massachusetts + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Bloomington",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01398852"
    },
    {
      "nct_id": "NCT00674661",
      "title": "Corneal Collagen Cross-Linking for Ectasia (CXL)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ectasia"
      ],
      "interventions": [
        {
          "name": "riboflavin ophthalmic solution",
          "type": "DRUG"
        },
        {
          "name": "UVA Irradiation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Glaukos Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2007-12",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2021-04-26",
      "last_synced_at": "2026-10-02T11:12:51.404Z",
      "location_count": 10,
      "location_summary": "La Jolla, California • San Diego, California • Miami, Florida + 7 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00674661"
    },
    {
      "nct_id": "NCT01112072",
      "title": "Corneal Collagen Crosslinking and Intacs for Keratoconus and Ectasia",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Keratoconus",
        "Corneal Ectasia"
      ],
      "interventions": [
        {
          "name": "Riboflavin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cornea and Laser Eye Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2010-04",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-10-02T11:12:51.404Z",
      "location_count": 1,
      "location_summary": "Teaneck, New Jersey",
      "locations": [
        {
          "city": "Teaneck",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01112072"
    }
  ]
}