{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Collagen+Crosslinking",
    "query": {
      "condition": "Collagen Crosslinking"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Collagen+Crosslinking&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-21T20:04:53.623Z",
  "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": "NCT02531087",
      "title": "Urinary Biomarkers of OI Pathobiology",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteogenesis Imperfecta"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Baylor College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 25,
      "start_date": "2015-08-17",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-01",
      "last_synced_at": "2026-07-21T20:04:53.623Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Omaha, Nebraska • New York, New York + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02531087"
    },
    {
      "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": "2026-07-21T20:04:53.623Z",
      "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": "NCT02095730",
      "title": "Corneal Cross-Linking Comparing Variables",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Unstable Corneas"
      ],
      "interventions": [
        {
          "name": "Epithelium-On Riboflavin",
          "type": "DRUG"
        },
        {
          "name": "Epithelium-Off Riboflavin",
          "type": "DRUG"
        },
        {
          "name": "UV Light - Continuous Beam",
          "type": "DEVICE"
        },
        {
          "name": "UV Pulsed Beam",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Crowd Health Research, LTD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2014-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-03-26",
      "last_synced_at": "2026-07-21T20:04:53.623Z",
      "location_count": 16,
      "location_summary": "Santa Rosa, California • Denver, Colorado • Jacksonville, Florida + 13 more",
      "locations": [
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Des Plaines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02095730"
    },
    {
      "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": "2026-07-21T20:04:53.623Z",
      "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": "NCT01325298",
      "title": "UVA-Riboflavin Crosslinking Treatment of Corneal Ectasia",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Keratoconus",
        "Ectasia",
        "Corneal Ectasia"
      ],
      "interventions": [
        {
          "name": "UV-X Light",
          "type": "DEVICE"
        },
        {
          "name": "Riboflavin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Mercy Center for Corrective Eye Surgery",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "14 Years to 55 Years"
      },
      "enrollment_count": 250,
      "start_date": "2011-03",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2011-03-29",
      "last_synced_at": "2026-07-21T20:04:53.623Z",
      "location_count": 1,
      "location_summary": "McHenry, Illinois",
      "locations": [
        {
          "city": "McHenry",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01325298"
    },
    {
      "nct_id": "NCT02921009",
      "title": "McNeel Eye Center Corneal Crosslinking Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Keratoconus"
      ],
      "interventions": [
        {
          "name": "Crosslinking using UV light of two different fluence rates",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "McNeel Eye Center",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "15 Years to 50 Years"
      },
      "enrollment_count": 100,
      "start_date": "2016-09-01",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-06",
      "last_synced_at": "2026-07-21T20:04:53.623Z",
      "location_count": 1,
      "location_summary": "Boise, Idaho",
      "locations": [
        {
          "city": "Boise",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02921009"
    },
    {
      "nct_id": "NCT03245853",
      "title": "Epi-On Corneal Crosslinking for Keratoconus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Keratoconus",
        "Keratoconus, Unstable"
      ],
      "interventions": [
        {
          "name": "Riboflavin 5'-Phosphate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Comprehensive EyeCare of Central Ohio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "14 Years to 40 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-07-18",
      "completion_date": "2019-09-30",
      "has_results": false,
      "last_update_posted_date": "2020-01-28",
      "last_synced_at": "2026-07-21T20:04:53.623Z",
      "location_count": 1,
      "location_summary": "Westerville, Ohio",
      "locations": [
        {
          "city": "Westerville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03245853"
    },
    {
      "nct_id": "NCT06944639",
      "title": "Comparative Study of Three Collagen Membranes: 1 Non-cross-linked and 2 Cross-linked",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bone Regeneration"
      ],
      "interventions": [
        {
          "name": "Membrane Jason MB GmbH Non-cross-linked (NCL)",
          "type": "DEVICE"
        },
        {
          "name": "Membrane BioMend Extend Glutaraldehyde cross-linked",
          "type": "DEVICE"
        },
        {
          "name": "Membrane OSSIX Agile Ribose cross-linked (RCL)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Andrea Ravida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2025-04-28",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-07-21T20:04:53.623Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06944639"
    },
    {
      "nct_id": "NCT01024322",
      "title": "Collagen Crosslinking With Ultraviolet-A in Asymmetric Corneas",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Keratoconus",
        "Ectasia",
        "Degeneration"
      ],
      "interventions": [
        {
          "name": "Ciprofloxicine or Vigamox or other.",
          "type": "DRUG"
        },
        {
          "name": "Nonsteroidal (Acular, 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": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 1189,
      "start_date": "2009-10-01",
      "completion_date": "2017-02-03",
      "has_results": false,
      "last_update_posted_date": "2018-10-11",
      "last_synced_at": "2026-07-21T20:04:53.623Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Rockville, Maryland • Fairfax, Virginia",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Fairfax",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01024322"
    },
    {
      "nct_id": "NCT01464268",
      "title": "Transepithelial Corneal Collagen Crosslinking for Keratoconus and Corneal 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": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2011-11",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2023-02-08",
      "last_synced_at": "2026-07-21T20:04:53.623Z",
      "location_count": 1,
      "location_summary": "Teaneck, New Jersey",
      "locations": [
        {
          "city": "Teaneck",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01464268"
    }
  ]
}