{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Control+Lens+%28stenfilcon+A%29",
    "query": {
      "intervention": "Control Lens (stenfilcon A)"
    },
    "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": "2026-09-14T14:49:03.216Z",
  "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": "NCT03496701",
      "title": "Performance of Wearers of Stenfilcon A Contact Lenses After A Refit With Test Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Test lens",
          "type": "DEVICE"
        },
        {
          "name": "control lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 77,
      "start_date": "2018-04-18",
      "completion_date": "2019-01-17",
      "has_results": true,
      "last_update_posted_date": "2021-06-30",
      "last_synced_at": "2026-09-14T14:49:03.216Z",
      "location_count": 4,
      "location_summary": "San Diego, California • Whittier, California • Sarasota, Florida + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Whittier",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03496701"
    },
    {
      "nct_id": "NCT02759692",
      "title": "Clinical Evaluation of Two Approved Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Visual Acuity"
      ],
      "interventions": [
        {
          "name": "TEST Contact Lens",
          "type": "DEVICE"
        },
        {
          "name": "CONTROL Contact 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": 283,
      "start_date": "2016-04-01",
      "completion_date": "2016-06-01",
      "has_results": true,
      "last_update_posted_date": "2017-08-18",
      "last_synced_at": "2026-09-14T14:49:03.216Z",
      "location_count": 13,
      "location_summary": "Montgomery, Alabama • Jacksonville, Florida • Sarasota, Florida + 10 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Winter Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02759692"
    },
    {
      "nct_id": "NCT05805150",
      "title": "Performance Evaluation of Daily Disposable Contact Lenses in Habitual Lens Wearers Who Use Digital Devices Frequently",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Control Lens (stenfilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Test Lens (senofilcon A)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 69,
      "start_date": "2023-03-13",
      "completion_date": "2023-06-01",
      "has_results": true,
      "last_update_posted_date": "2024-06-25",
      "last_synced_at": "2026-09-14T14:49:03.216Z",
      "location_count": 4,
      "location_summary": "Pittsburg, Kansas • Medina, Minnesota • State College, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Medina",
          "state": "Minnesota"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        },
        {
          "city": "Warwick",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05805150"
    },
    {
      "nct_id": "NCT03360110",
      "title": "Comparison of New Contact Lens With Current Marketed Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Phoebe test lens",
          "type": "DEVICE"
        },
        {
          "name": "stenfilcon A lens (control)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 53,
      "start_date": "2017-11-06",
      "completion_date": "2017-12-15",
      "has_results": true,
      "last_update_posted_date": "2020-09-02",
      "last_synced_at": "2026-09-14T14:49:03.216Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03360110"
    },
    {
      "nct_id": "NCT04668989",
      "title": "Evaluation of the Performance of Different Daily Disposable Lens Designs in Habitual Soft Contact Lens Wearers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "stenfilcon A - (Test lens)",
          "type": "DEVICE"
        },
        {
          "name": "kalifilcon A - (Control Lens)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2020-11-01",
      "completion_date": "2021-02-05",
      "has_results": true,
      "last_update_posted_date": "2021-09-16",
      "last_synced_at": "2026-09-14T14:49:03.216Z",
      "location_count": 4,
      "location_summary": "Medina, Minnesota • Vestal, New York • Athens, Ohio + 1 more",
      "locations": [
        {
          "city": "Medina",
          "state": "Minnesota"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Athens",
          "state": "Ohio"
        },
        {
          "city": "College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04668989"
    },
    {
      "nct_id": "NCT05805059",
      "title": "Performance Evaluation of Different Daily Disposable Silicone Hydrogel Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Control Contact Lens (stenfilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Test Contact Lens (senofilcon A)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 68,
      "start_date": "2023-04-14",
      "completion_date": "2023-06-20",
      "has_results": true,
      "last_update_posted_date": "2024-09-26",
      "last_synced_at": "2026-09-14T14:49:03.216Z",
      "location_count": 3,
      "location_summary": "Ocoee, Florida • Vestal, New York • Granville, Ohio",
      "locations": [
        {
          "city": "Ocoee",
          "state": "Florida"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05805059"
    },
    {
      "nct_id": "NCT03024970",
      "title": "Daily Disposable Dispensing Clinical Trial of Test Lens Against Stenfilcon A Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "stenfilcon A lens with solution additive (test)",
          "type": "DEVICE"
        },
        {
          "name": "stenfilcon A lens (control)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2017-01",
      "completion_date": "2017-06-26",
      "has_results": true,
      "last_update_posted_date": "2020-07-21",
      "last_synced_at": "2026-09-14T14:49:03.216Z",
      "location_count": 2,
      "location_summary": "Bloomington, Indiana • Houston, Texas",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03024970"
    },
    {
      "nct_id": "NCT07444658",
      "title": "Performance of Two Daily Disposable Multifocal Contact Lenses",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Lens A (kalfilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Lens B (stenfilcon A)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision International Limited (CVIL)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2026-02-24",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-09-14T14:49:03.216Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07444658"
    },
    {
      "nct_id": "NCT06611410",
      "title": "1 Week Crossover Study Between Two Soft Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Test Lenses (stenfilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Control Lenses (omafilcon A)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "8 Years to 18 Years"
      },
      "enrollment_count": 10,
      "start_date": "2024-06-05",
      "completion_date": "2024-07-26",
      "has_results": true,
      "last_update_posted_date": "2025-10-15",
      "last_synced_at": "2026-09-14T14:49:03.216Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06611410"
    },
    {
      "nct_id": "NCT05763628",
      "title": "Performance Evaluation of Different Daily Disposable Multifocal Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Control Lens (stenfilcon A)",
          "type": "DEVICE"
        },
        {
          "name": "Test Lens (senofilcon A)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "42 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "42 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2022-12-10",
      "completion_date": "2023-06-15",
      "has_results": true,
      "last_update_posted_date": "2024-07-08",
      "last_synced_at": "2026-09-14T14:49:03.216Z",
      "location_count": 3,
      "location_summary": "Vestal, New York • Athens, Ohio • Bellaire, Texas",
      "locations": [
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Athens",
          "state": "Ohio"
        },
        {
          "city": "Bellaire",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05763628"
    }
  ]
}