{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lens+B+%28lotrafilcon+B%29",
    "query": {
      "intervention": "Lens B (lotrafilcon B)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lens+B+%28lotrafilcon+B%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T17:56:23.994Z",
  "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": "NCT01526902",
      "title": "Proclear 1-D Multifocal Nondispensing Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "omafilcon A / PC 1-D MF",
          "type": "DEVICE"
        },
        {
          "name": "lotrafilcon B / Air Optix MF",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CooperVision, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "40 Years to 65 Years"
      },
      "enrollment_count": 49,
      "start_date": "2012-02",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2014-04-07",
      "last_synced_at": "2026-10-01T17:56:23.994Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01526902"
    },
    {
      "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": "2026-10-01T17:56:23.994Z",
      "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": "NCT01151371",
      "title": "Clinical Evaluation Of Two Daily Disposable Contact Lenses And A Monthly Replacement Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "narafilcon B contact lens",
          "type": "DEVICE"
        },
        {
          "name": "nelfilcon A contact lens",
          "type": "DEVICE"
        },
        {
          "name": "lotrafilcon B contact lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 452,
      "start_date": "2010-02-01",
      "completion_date": "2010-04-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-10-01T17:56:23.994Z",
      "location_count": 28,
      "location_summary": "Brea, California • Canoga Park, California • Corona, California + 23 more",
      "locations": [
        {
          "city": "Brea",
          "state": "California"
        },
        {
          "city": "Canoga Park",
          "state": "California"
        },
        {
          "city": "Corona",
          "state": "California"
        },
        {
          "city": "Bridgeport",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01151371"
    },
    {
      "nct_id": "NCT05765227",
      "title": "Clinical Evaluation of a Manufacturing Process for a Frequent Replacement Silicone Hydrogel Multifocal Contact Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Refractive Ametropia"
      ],
      "interventions": [
        {
          "name": "Lehfilcon A multifocal contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B multifocal contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Hydrogen peroxide-based cleaning and disinfection system",
          "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": "2023-03-08",
      "completion_date": "2023-03-30",
      "has_results": true,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-10-01T17:56:23.994Z",
      "location_count": 1,
      "location_summary": "Johns Creek, Georgia",
      "locations": [
        {
          "city": "Johns Creek",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05765227"
    },
    {
      "nct_id": "NCT03118934",
      "title": "Assessing Fitting Guides in Alcon Multifocal Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia",
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Lotrafilcon B multifocal contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Nelfilcon A multifocal contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Delefilcon A multifocal contact lenses",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "40 Years to 65 Years"
      },
      "enrollment_count": 188,
      "start_date": "2017-05-17",
      "completion_date": "2017-07-28",
      "has_results": true,
      "last_update_posted_date": "2018-09-26",
      "last_synced_at": "2026-10-01T17:56:23.994Z",
      "location_count": 14,
      "location_summary": "Phoenix, Arizona • San Diego, California • Pensacola, Florida + 10 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Pensacola",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        },
        {
          "city": "Pittsburg",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03118934"
    },
    {
      "nct_id": "NCT01094743",
      "title": "Dispensing Evaluation of a Prototype Contact Lens and a Marketed Contact Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "galyfilcon A prototype lens",
          "type": "DEVICE"
        },
        {
          "name": "lotrafilcon B lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johnson & Johnson Vision Care, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "18 Years to 39 Years"
      },
      "enrollment_count": 52,
      "start_date": "2010-02-01",
      "completion_date": "2010-03-01",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-10-01T17:56:23.994Z",
      "location_count": 2,
      "location_summary": "Jacksonville, Florida • Salem, Virginia",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Salem",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01094743"
    },
    {
      "nct_id": "NCT03392532",
      "title": "Comparison of Two Silicone Hydrogel Toric Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Astigmatism"
      ],
      "interventions": [
        {
          "name": "Lotrafilcon B toric contact lenses with HYDRAGLYDE",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B 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": 36,
      "start_date": "2018-01-04",
      "completion_date": "2018-01-26",
      "has_results": true,
      "last_update_posted_date": "2019-01-29",
      "last_synced_at": "2026-10-01T17:56:23.994Z",
      "location_count": 1,
      "location_summary": "Johns Creek, Georgia",
      "locations": [
        {
          "city": "Johns Creek",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03392532"
    },
    {
      "nct_id": "NCT01254747",
      "title": "Clinical Evaluation of an Investigational Soft Contact Lens",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myopia"
      ],
      "interventions": [
        {
          "name": "Delefilcon A contact lens",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B contact lens (O2 OPTIX, AIR OPTIX)",
          "type": "DEVICE"
        },
        {
          "name": "Nelfilcon A contact lens (DAILIES AquaComfort Plus)",
          "type": "DEVICE"
        },
        {
          "name": "Narafilcon A contact lens (1-DAY ACUVUE TRUEYE)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CIBA VISION",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 130,
      "start_date": "2010-11",
      "completion_date": "2010-12",
      "has_results": true,
      "last_update_posted_date": "2012-07-10",
      "last_synced_at": "2026-10-01T17:56:23.994Z",
      "location_count": 1,
      "location_summary": "Duluth, Georgia",
      "locations": [
        {
          "city": "Duluth",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01254747"
    },
    {
      "nct_id": "NCT01763047",
      "title": "Evaluation of the Performance of Investigational Contact Lenses in a Presbyopic Population",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "etafilcon A",
          "type": "DEVICE"
        },
        {
          "name": "lotrafilcon B",
          "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": 298,
      "start_date": "2012-11",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2018-06-19",
      "last_synced_at": "2026-10-01T17:56:23.994Z",
      "location_count": 19,
      "location_summary": "Mission Viejo, California • Jacksonville, Florida • Saint Augustine, Florida + 15 more",
      "locations": [
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Saint Augustine",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01763047"
    },
    {
      "nct_id": "NCT05886881",
      "title": "Air Optix Extended Wear Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Lotrafilcon B spherical soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B spherical soft contact lenses with comfort additive",
          "type": "DEVICE"
        },
        {
          "name": "Lotrafilcon B toric soft contact lenses with comfort additive",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon A spherical soft contact lenses",
          "type": "DEVICE"
        },
        {
          "name": "Comfilcon 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": 505,
      "start_date": "2023-08-03",
      "completion_date": "2025-04-15",
      "has_results": false,
      "last_update_posted_date": "2025-08-14",
      "last_synced_at": "2026-10-01T17:56:23.994Z",
      "location_count": 4,
      "location_summary": "Orlando, Florida • Medina, Minnesota • St Louis, Missouri + 1 more",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Medina",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05886881"
    }
  ]
}