{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lehfilcon+A+contact+lenses&page=2",
    "query": {
      "intervention": "Lehfilcon A contact lenses",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 29,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lehfilcon+A+contact+lenses&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lehfilcon+A+contact+lenses&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T19:08:19.393Z",
  "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": "NCT05338333",
      "title": "Clinical Performance Evaluation of Two Frequent Replacement Silicone Hydrogel Multifocal Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A multifocal contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B multifocal contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "CLEAR CARE®",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 101,
      "start_date": "2022-05-27",
      "completion_date": "2022-09-01",
      "has_results": true,
      "last_update_posted_date": "2023-09-13",
      "last_synced_at": "2026-10-10T19:08:19.393Z",
      "location_count": 8,
      "location_summary": "Maitland, Florida • Orlando, Florida • Pittsburg, Kansas + 5 more",
      "locations": [
        {
          "city": "Maitland",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Eden Prairie",
          "state": "Minnesota"
        },
        {
          "city": "Medina",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05338333"
    },
    {
      "nct_id": "NCT07276347",
      "title": "Comprehensive Assessment of Multiple Products (CAMP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperopia",
        "Myopia"
      ],
      "interventions": [
        {
          "name": "somofilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "stenfilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "fanfilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "comfilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "verofilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "serafilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "lehfilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "delefilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon A daily disposable lens",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon A with blue light technology lens",
          "type": "DEVICE"
        },
        {
          "name": "senofilcon A bi-weekly lens",
          "type": "DEVICE"
        },
        {
          "name": "samfilcon A lens",
          "type": "DEVICE"
        },
        {
          "name": "kalilfilcon A lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision International Limited (CVIL)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 36,
      "start_date": "2025-11-12",
      "completion_date": "2025-12-17",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-10T19:08:19.393Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07276347"
    },
    {
      "nct_id": "NCT04631796",
      "title": "Clinical Characterization of an Investigational Soft Silicone Hydrogel Contact Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Multipurpose disinfection solution",
          "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": 36,
      "start_date": "2020-12-03",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2022-01-12",
      "last_synced_at": "2026-10-10T19:08:19.393Z",
      "location_count": 3,
      "location_summary": "Orlando, Florida • Bloomington, Illinois • Powell, Ohio",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Bloomington",
          "state": "Illinois"
        },
        {
          "city": "Powell",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04631796"
    },
    {
      "nct_id": "NCT06052046",
      "title": "Total30 for Astigmatism Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Contact Lens Complication",
        "Astigmatism",
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "TOTAL30 for Astigmatism Contact Lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Southern College of Optometry",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 48,
      "start_date": "2023-10-15",
      "completion_date": "2024-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-24",
      "last_synced_at": "2026-10-10T19:08:19.393Z",
      "location_count": 2,
      "location_summary": "Pittsburg, Kansas • Coldwater, Mississippi",
      "locations": [
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Coldwater",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06052046"
    },
    {
      "nct_id": "NCT04980456",
      "title": "Clinical Assessment of Two Daily Wear Monthly Replacement Soft Silicone Hydrogel Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "CLEAR CARE",
          "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": 257,
      "start_date": "2021-08-05",
      "completion_date": "2021-11-20",
      "has_results": true,
      "last_update_posted_date": "2023-01-06",
      "last_synced_at": "2026-10-10T19:08:19.393Z",
      "location_count": 14,
      "location_summary": "Los Angeles, California • Oakland, California • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Maitland",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04980456"
    },
    {
      "nct_id": "NCT05933772",
      "title": "Performance Evaluation of Two Silicone Hydrogel Toric Lens Designs in Habitual Soft Contact Lens Wearers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Lens A (comfilcon A toric lens)",
          "type": "DEVICE"
        },
        {
          "name": "Lens B (lehfilcon A toric lens)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision International Limited (CVIL)",
      "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": 50,
      "start_date": "2023-08-18",
      "completion_date": "2023-12-28",
      "has_results": true,
      "last_update_posted_date": "2025-03-11",
      "last_synced_at": "2026-10-10T19:08:19.393Z",
      "location_count": 3,
      "location_summary": "Pittsburg, Kansas • Vestal, New York • Granville, Ohio",
      "locations": [
        {
          "city": "Pittsburg",
          "state": "Kansas"
        },
        {
          "city": "Vestal",
          "state": "New York"
        },
        {
          "city": "Granville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05933772"
    },
    {
      "nct_id": "NCT05114564",
      "title": "Evaluation of the Performance of Monthly Replacement Sphere Lens Designs in Habitual Soft Contact Lens Wearers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia",
        "Hyperopia"
      ],
      "interventions": [
        {
          "name": "Lens A (comfilcon A lens)",
          "type": "DEVICE"
        },
        {
          "name": "Lens B (lehfilcon A lens)",
          "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": 66,
      "start_date": "2021-11-19",
      "completion_date": "2022-04-22",
      "has_results": true,
      "last_update_posted_date": "2023-04-04",
      "last_synced_at": "2026-10-10T19:08:19.393Z",
      "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": "Granville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05114564"
    },
    {
      "nct_id": "NCT06408649",
      "title": "Post-market Clinical Follow-up Study of Alcon TOTAL30® Contact Lenses (Lehfilcon A)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ametropia",
        "Myopia",
        "Hyperopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A spherical contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Lehfilcon A toric contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 129,
      "start_date": "2024-11-15",
      "completion_date": "2025-04-22",
      "has_results": false,
      "last_update_posted_date": "2025-07-20",
      "last_synced_at": "2026-10-10T19:08:19.393Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06408649"
    },
    {
      "nct_id": "NCT05886907",
      "title": "Assessing the Clinical Performance of Two Frequent Replacement Silicone Hydrogel Multifocal Toric Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Errors",
        "Presbyopia",
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A multifocal toric contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Samfilcon A multifocal toric contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "CLEAR CARE",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2023-06-14",
      "completion_date": "2023-07-17",
      "has_results": true,
      "last_update_posted_date": "2024-07-31",
      "last_synced_at": "2026-10-10T19:08:19.393Z",
      "location_count": 1,
      "location_summary": "Johns Creek, Georgia",
      "locations": [
        {
          "city": "Johns Creek",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05886907"
    },
    {
      "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": "2026-10-10T19:08:19.393Z",
      "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"
    }
  ]
}