{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spherical+Contact+Lens+2",
    "query": {
      "intervention": "Spherical Contact Lens 2"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 34,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Spherical+Contact+Lens+2&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T09:19:40.079Z",
  "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": "NCT02950545",
      "title": "Evaluating and Improving Functional Driving Vision of Patients With Astigmatism: Phase 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Placebo Lenses",
          "type": "DEVICE"
        },
        {
          "name": "Spherical Lenses",
          "type": "DEVICE"
        },
        {
          "name": "Toric Lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Virginia",
      "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": 51,
      "start_date": "2016-04",
      "completion_date": "2017-02-01",
      "has_results": true,
      "last_update_posted_date": "2021-10-06",
      "last_synced_at": "2026-09-03T09:19:40.079Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02950545"
    },
    {
      "nct_id": "NCT03228212",
      "title": "Evaluation of Approved and Investigational Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "CONTROL",
          "type": "DEVICE"
        },
        {
          "name": "TEST",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 133,
      "start_date": "2017-07-14",
      "completion_date": "2017-09-18",
      "has_results": true,
      "last_update_posted_date": "2018-12-13",
      "last_synced_at": "2026-09-03T09:19:40.079Z",
      "location_count": 5,
      "location_summary": "Jacksonville, Florida • East Lansing, Michigan • Pickens, South Carolina + 1 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "East Lansing",
          "state": "Michigan"
        },
        {
          "city": "Pickens",
          "state": "South Carolina"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03228212"
    },
    {
      "nct_id": "NCT05138783",
      "title": "Clinical Performance of Two Daily Disposable Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Verofilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Nesofilcon 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": 129,
      "start_date": "2022-01-12",
      "completion_date": "2022-03-07",
      "has_results": true,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-09-03T09:19:40.079Z",
      "location_count": 8,
      "location_summary": "Maitland, Florida • Tallahassee, Florida • Franklin Park, Illinois + 5 more",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        },
        {
          "city": "Franklin Park",
          "state": "Illinois"
        },
        {
          "city": "Shawnee Mission",
          "state": "Kansas"
        },
        {
          "city": "Medina",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05138783"
    },
    {
      "nct_id": "NCT03581825",
      "title": "Clinical Evaluation of a Reusable Multifocal Optical Design in a Presbyopic Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "senofilcon A Multifocal",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon A Sphere",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A Multifocal",
          "type": "DEVICE"
        },
        {
          "name": "etafilcon A Sphere",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "40 Years to 70 Years"
      },
      "enrollment_count": 63,
      "start_date": "2018-06-08",
      "completion_date": "2018-08-20",
      "has_results": true,
      "last_update_posted_date": "2020-05-08",
      "last_synced_at": "2026-09-03T09:19:40.079Z",
      "location_count": 6,
      "location_summary": "Orlando, Florida • East Lansing, Michigan • Raytown, Missouri + 3 more",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "East Lansing",
          "state": "Michigan"
        },
        {
          "city": "Raytown",
          "state": "Missouri"
        },
        {
          "city": "Jamestown",
          "state": "New York"
        },
        {
          "city": "Vestal",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03581825"
    },
    {
      "nct_id": "NCT03679741",
      "title": "Initial Evaluation of Investigational Lenses Manufactured on a New Production Line",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "CONTROL Lens",
          "type": "DEVICE"
        },
        {
          "name": "TEST 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": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 126,
      "start_date": "2018-08-29",
      "completion_date": "2018-10-31",
      "has_results": true,
      "last_update_posted_date": "2019-12-26",
      "last_synced_at": "2026-09-03T09:19:40.079Z",
      "location_count": 6,
      "location_summary": "San Francisco, California • Jacksonville, Florida • Vestal, New York + 3 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Pickens",
          "state": "South Carolina"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03679741"
    },
    {
      "nct_id": "NCT01582789",
      "title": "Comparative Study of Two Marketed Spherical Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Error"
      ],
      "interventions": [
        {
          "name": "enfilcon A",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "38 Years",
        "sex": "ALL",
        "summary": "18 Years to 38 Years"
      },
      "enrollment_count": 61,
      "start_date": "2012-04-09",
      "completion_date": "2012-07-31",
      "has_results": true,
      "last_update_posted_date": "2020-10-27",
      "last_synced_at": "2026-09-03T09:19:40.079Z",
      "location_count": 2,
      "location_summary": "Pismo Beach, California • San Diego, California",
      "locations": [
        {
          "city": "Pismo Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01582789"
    },
    {
      "nct_id": "NCT03544216",
      "title": "Accommodative Relief for Uncomfortable Non-Presbyopes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthenopia"
      ],
      "interventions": [
        {
          "name": "Multifocal Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "Single Vision Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "30 Years to 40 Years"
      },
      "enrollment_count": 84,
      "start_date": "2017-02-02",
      "completion_date": "2018-05-06",
      "has_results": true,
      "last_update_posted_date": "2019-02-15",
      "last_synced_at": "2026-09-03T09:19:40.079Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03544216"
    },
    {
      "nct_id": "NCT04527978",
      "title": "Clinical Comparison of 2 Daily Disposable Contact Lenses - Pilot Study 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Verofilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Nesofilcon 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": 56,
      "start_date": "2020-09-15",
      "completion_date": "2020-11-06",
      "has_results": true,
      "last_update_posted_date": "2021-11-23",
      "last_synced_at": "2026-09-03T09:19:40.079Z",
      "location_count": 4,
      "location_summary": "Maitland, Florida • Medina, Minnesota • Powell, Ohio + 1 more",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Medina",
          "state": "Minnesota"
        },
        {
          "city": "Powell",
          "state": "Ohio"
        },
        {
          "city": "Wichita Falls",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04527978"
    },
    {
      "nct_id": "NCT04296877",
      "title": "Evaluation of Wear Experience With a Daily Disposable Contact Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contact Lens"
      ],
      "interventions": [
        {
          "name": "Daily Disposable Contact Lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2020-03-10",
      "completion_date": "2020-12-01",
      "has_results": true,
      "last_update_posted_date": "2023-03-07",
      "last_synced_at": "2026-09-03T09:19:40.079Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04296877"
    },
    {
      "nct_id": "NCT02956460",
      "title": "Performance Comparison Between Fanfilcon A and Senofilcon A Sphere Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "fanfilcon A",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon A",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 64,
      "start_date": "2016-10-27",
      "completion_date": "2016-12-14",
      "has_results": true,
      "last_update_posted_date": "2018-04-02",
      "last_synced_at": "2026-09-03T09:19:40.079Z",
      "location_count": 4,
      "location_summary": "San Diego, California • Sarasota, Florida • Pittsburg, Kansas + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02956460"
    }
  ]
}