{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Precision1+for+Astigmatism",
    "query": {
      "intervention": "Precision1 for Astigmatism"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T00:18:30.011Z",
  "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": "2026-09-04T00:18:30.011Z",
      "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": "NCT05483127",
      "title": "Clinical Comparison of Two Daily Disposable Toric Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism",
        "Ametropia",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Verofilcon A toric soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Stenfilcon A toric soft 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": 153,
      "start_date": "2022-09-13",
      "completion_date": "2022-10-31",
      "has_results": true,
      "last_update_posted_date": "2023-11-02",
      "last_synced_at": "2026-09-04T00:18:30.011Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Longwood, Florida • Maitland, Florida + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Franklin Park",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05483127"
    },
    {
      "nct_id": "NCT04908488",
      "title": "Clinical Performance of Two Daily Disposable Toric Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors",
        "Ametropia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Verofilcon A toric contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Etafilcon A toric 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": 115,
      "start_date": "2021-07-01",
      "completion_date": "2021-09-22",
      "has_results": true,
      "last_update_posted_date": "2022-10-18",
      "last_synced_at": "2026-09-04T00:18:30.011Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Oakland, California • Orlando, Florida + 4 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Franklin Park",
          "state": "Illinois"
        },
        {
          "city": "Shawnee Mission",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04908488"
    },
    {
      "nct_id": "NCT04772560",
      "title": "Toric Contact Lens Digital Performance and Comfort Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Precision1 for Astigmatism",
          "type": "DEVICE"
        },
        {
          "name": "Precision1 Sphere",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kathryn Richdale",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 30,
      "start_date": "2021-03-16",
      "completion_date": "2021-12-13",
      "has_results": true,
      "last_update_posted_date": "2022-03-10",
      "last_synced_at": "2026-09-04T00:18:30.011Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04772560"
    },
    {
      "nct_id": "NCT05291936",
      "title": "Clinical Evaluation of Two Daily Disposable Toric Soft Contact Lenses Over One Week of Wear",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ocular Physiology"
      ],
      "interventions": [
        {
          "name": "PRECISION1® for Astigmatism Contact Lenses",
          "type": "DEVICE"
        },
        {
          "name": "MyDay® Toric Soft Contact Lenses",
          "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": 78,
      "start_date": "2022-03-30",
      "completion_date": "2022-05-27",
      "has_results": true,
      "last_update_posted_date": "2023-06-06",
      "last_synced_at": "2026-09-04T00:18:30.011Z",
      "location_count": 5,
      "location_summary": "Jacksonville, Florida • Longwood, Florida • Vestal, New York + 2 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Westerville",
          "state": "Ohio"
        },
        {
          "city": "Salem",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05291936"
    },
    {
      "nct_id": "NCT05039112",
      "title": "Clinical Comparison of 2 Daily Disposable Toric Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Verofilcon A toric contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Stenfilcon A toric 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": 64,
      "start_date": "2021-09-28",
      "completion_date": "2021-11-29",
      "has_results": false,
      "last_update_posted_date": "2021-12-07",
      "last_synced_at": "2026-09-04T00:18:30.011Z",
      "location_count": 6,
      "location_summary": "Maitland, Florida • Pittsburg, Kansas • Sterling Heights, Michigan + 3 more",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Sterling Heights",
          "state": "Michigan"
        },
        {
          "city": "Powell",
          "state": "Ohio"
        },
        {
          "city": "Warwick",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05039112"
    },
    {
      "nct_id": "NCT06462456",
      "title": "Post-market Clinical Follow-up Study of Alcon PRECISION1™ Spherical and PRECISION1™ for Astigmatism Soft Contact Lenses",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Verofilcon A spherical soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Verofilcon A toric soft contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2024-08-30",
      "completion_date": "2025-03-11",
      "has_results": false,
      "last_update_posted_date": "2025-07-20",
      "last_synced_at": "2026-09-04T00:18:30.011Z",
      "location_count": 12,
      "location_summary": "San Diego, California • Jacksonville, Florida • Orlando, Florida + 9 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Blue Island",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06462456"
    },
    {
      "nct_id": "NCT04844281",
      "title": "Wear Experience With Daily Toric Contact Lenses Over a Long Day",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contact Lens",
        "Astigmatism of Both Eyes"
      ],
      "interventions": [
        {
          "name": "Precision1® Daily Disposable Toric Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 30,
      "start_date": "2021-05-11",
      "completion_date": "2021-08-24",
      "has_results": true,
      "last_update_posted_date": "2023-11-29",
      "last_synced_at": "2026-09-04T00:18:30.011Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04844281"
    },
    {
      "nct_id": "NCT06098937",
      "title": "Kalifilcon A Toric Compared to Commercially Available Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Kalifilcon Toric Lens",
          "type": "DEVICE"
        },
        {
          "name": "Total1 for Astigmatism",
          "type": "DEVICE"
        },
        {
          "name": "Precision1 for Astigmatism",
          "type": "DEVICE"
        },
        {
          "name": "MyDay Toric",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Bausch & Lomb Incorporated",
      "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": "2023-09-05",
      "completion_date": "2023-09-27",
      "has_results": true,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-09-04T00:18:30.011Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06098937"
    },
    {
      "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": "2026-09-04T00:18:30.011Z",
      "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"
    }
  ]
}