{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=DT1fA",
    "query": {
      "intervention": "DT1fA"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-05T12:45:45.632Z",
  "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": "NCT05502289",
      "title": "Clinical Evaluation of Delefilcon A and Verofilcon A Daily Disposable Toric Soft Contact Lenses Over One Week of Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ocular Physiology"
      ],
      "interventions": [
        {
          "name": "TEST LENS",
          "type": "DEVICE"
        },
        {
          "name": "CONTROL LENS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 66,
      "start_date": "2022-08-19",
      "completion_date": "2022-10-17",
      "has_results": true,
      "last_update_posted_date": "2023-11-07",
      "last_synced_at": "2026-09-05T12:45:45.632Z",
      "location_count": 6,
      "location_summary": "Longwood, Florida • Maitland, Florida • Vestal, New York + 3 more",
      "locations": [
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Westerville",
          "state": "Ohio"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05502289"
    },
    {
      "nct_id": "NCT05805345",
      "title": "Clinical Comparison of Toric Contact Lenses Fit Characteristics",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism",
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Delefilcon A toric soft contact lens",
          "type": "DEVICE"
        },
        {
          "name": "Lehfilcon A toric soft contact lens",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B toric soft contact lens",
          "type": "DEVICE"
        },
        {
          "name": "Verofilcon A toric soft contact lens",
          "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": 0,
      "start_date": "2023-04",
      "completion_date": "2023-05",
      "has_results": false,
      "last_update_posted_date": "2023-05-19",
      "last_synced_at": "2026-09-05T12:45:45.632Z",
      "location_count": 7,
      "location_summary": "Los Angeles, California • Longwood, Florida • Maitland, Florida + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05805345"
    },
    {
      "nct_id": "NCT05886452",
      "title": "Success of Dailies Total1 for Astigmatism Contact Lenses in Patients That Have Previously Failed With Toric Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "DT1fA contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mann Eye Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 65,
      "start_date": "2023-08-01",
      "completion_date": "2024-04-01",
      "has_results": true,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-09-05T12:45:45.632Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05886452"
    },
    {
      "nct_id": "NCT06161012",
      "title": "Evaluation of Delefilcon A and Senofilcon A Daily Disposable Toric Soft Contact Lenses Over Two Weeks of Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ocular Physiology"
      ],
      "interventions": [
        {
          "name": "Senofilcon A contact lenses (TEST)",
          "type": "DEVICE"
        },
        {
          "name": "Delefilcon A contact lenses (CONTROL)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 67,
      "start_date": "2023-11-16",
      "completion_date": "2024-02-13",
      "has_results": true,
      "last_update_posted_date": "2025-06-22",
      "last_synced_at": "2026-09-05T12:45:45.632Z",
      "location_count": 6,
      "location_summary": "Longwood, Florida • Maitland, Florida • Granville, Ohio + 3 more",
      "locations": [
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        },
        {
          "city": "Westerville",
          "state": "Ohio"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06161012"
    },
    {
      "nct_id": "NCT05498649",
      "title": "Performance of Dailies Total1® Contact Lenses for Astigmatism in Symptomatic Habitual Reusable Toric Lens Wearers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "DT1fA",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Keith Wan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "38 Years",
        "sex": "ALL",
        "summary": "18 Years to 38 Years"
      },
      "enrollment_count": 86,
      "start_date": "2022-08-02",
      "completion_date": "2022-12-16",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-09-05T12:45:45.632Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05498649"
    },
    {
      "nct_id": "NCT06749496",
      "title": "Evaluation of Delefilcon A and Senofilcon A Daily Disposable Toric Soft Contact Lenses Over One Week of Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Test Lens",
          "type": "DEVICE"
        },
        {
          "name": "Control Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 134,
      "start_date": "2025-01-07",
      "completion_date": "2025-03-20",
      "has_results": true,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-09-05T12:45:45.632Z",
      "location_count": 12,
      "location_summary": "Jacksonville, Florida • Longwood, Florida • Maitland, Florida + 9 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Bloomfield Hills",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06749496"
    }
  ]
}