{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cosopt",
    "query": {
      "intervention": "Cosopt"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 17,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cosopt&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T22:07:37.529Z",
  "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": "NCT06369077",
      "title": "How Much Does Reduced Dosing of Latanoprost and Dorzolamide-timolol Affect Pressure?",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Glaucoma, Open-Angle",
        "Glaucoma; Drugs"
      ],
      "interventions": [
        {
          "name": "dorzolamide/timolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "CT Glaucoma Associates",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "25 Years to 90 Years"
      },
      "enrollment_count": 36,
      "start_date": "2024-04-22",
      "completion_date": "2024-07-30",
      "has_results": false,
      "last_update_posted_date": "2024-08-23",
      "last_synced_at": "2026-09-06T22:07:37.529Z",
      "location_count": 1,
      "location_summary": "Norwalk, Connecticut",
      "locations": [
        {
          "city": "Norwalk",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06369077"
    },
    {
      "nct_id": "NCT00273455",
      "title": "Lumigan Versus Cosopt",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Open-Angle Glaucoma"
      ],
      "interventions": [
        {
          "name": "bimatoprost 0.03%",
          "type": "DRUG"
        },
        {
          "name": "dorzolamide 2%/timolol maleate 0.5% fixed combination",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pharmaceutical Research Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2006-01",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2008-11-19",
      "last_synced_at": "2026-09-06T22:07:37.529Z",
      "location_count": 3,
      "location_summary": "Louisville, Kentucky • Mt. Pleasant, South Carolina • Houston, Texas",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Mt. Pleasant",
          "state": "South Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00273455"
    },
    {
      "nct_id": "NCT00811850",
      "title": "Comparing Effects of Two Fixed Combinations Ophthalmic Solutions on Ocular Blood Flow",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "fixed combination of brimonidine tartrate 0.2% timolol maleate 0.5% ophthalmic solution",
          "type": "DRUG"
        },
        {
          "name": "fixed combination of dorzolamide hydrochloride timolol maleate ophthalmic solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allergan",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2008-12",
      "completion_date": "2009-12",
      "has_results": true,
      "last_update_posted_date": "2019-04-24",
      "last_synced_at": "2026-09-06T22:07:37.529Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00811850"
    },
    {
      "nct_id": "NCT00906087",
      "title": "Effect of Myocilin Genetic Variants on Intraocular Pressure and Pressure Variation in Sitting and Supine Positions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Cosopt (combination eyedrop of dorzolamide and timolol)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 14,
      "start_date": "2009-08-04",
      "completion_date": "2012-07-18",
      "has_results": true,
      "last_update_posted_date": "2017-06-02",
      "last_synced_at": "2026-09-06T22:07:37.529Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00906087"
    },
    {
      "nct_id": "NCT03034772",
      "title": "Dorzolamide-timolol in Combination With Anti-vascular Endothelial Growth Factor Injections for Wet Age-related Macular Degeneration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Neovascular Age-related Macular Degeneration",
        "Wet Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Dorzolamide-timolol",
          "type": "DRUG"
        },
        {
          "name": "Artificial tears",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2017-02-08",
      "completion_date": "2019-07-05",
      "has_results": true,
      "last_update_posted_date": "2020-06-19",
      "last_synced_at": "2026-09-06T22:07:37.529Z",
      "location_count": 5,
      "location_summary": "Palo Alto, California • Boston, Massachusetts • Royal Oak, Michigan + 2 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03034772"
    },
    {
      "nct_id": "NCT00273429",
      "title": "Cosopt Versus Xalatan",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Open-Angle Glaucoma",
        "Ocular Hypertension"
      ],
      "interventions": [
        {
          "name": "timolol maleate 0.5%",
          "type": "DRUG"
        },
        {
          "name": "dorzolamide/timolol maleate fixed combination",
          "type": "DRUG"
        },
        {
          "name": "latanoprost 0.005%",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pharmaceutical Research Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2005-04",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2007-01-09",
      "last_synced_at": "2026-09-06T22:07:37.529Z",
      "location_count": 2,
      "location_summary": "Lakeland, Florida • Bourbonnais, Illinois",
      "locations": [
        {
          "city": "Lakeland",
          "state": "Florida"
        },
        {
          "city": "Bourbonnais",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00273429"
    },
    {
      "nct_id": "NCT00804115",
      "title": "The International Collaborative Exfoliation Syndrome Treatment Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exfoliation Syndrome",
        "Glaucoma",
        "Ocular Hypertension"
      ],
      "interventions": [
        {
          "name": "Latanoprost with Pilocarpine vs Timolol or Cosopt",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The New York Eye & Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 277,
      "start_date": "2000-08",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2008-12-08",
      "last_synced_at": "2026-09-06T22:07:37.529Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00804115"
    },
    {
      "nct_id": "NCT02852057",
      "title": "Effectiveness and Safety of Timolol and Dorzolamide Loaded Contact Lenses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "timolol maleate and dorzolamide hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2018-01-18",
      "completion_date": "2021-08-10",
      "has_results": false,
      "last_update_posted_date": "2021-12-02",
      "last_synced_at": "2026-09-06T22:07:37.529Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02852057"
    },
    {
      "nct_id": "NCT01843920",
      "title": "The Effect of Glaucoma Drops on of the Duration of a Pure Intraocular Gas Bubble",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Scleral Buckling"
      ],
      "interventions": [
        {
          "name": "Timolol-dorzolamide (Glaucoma drops)",
          "type": "DRUG"
        },
        {
          "name": "standard post-operative topical drops",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jason Hsu, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2011-06",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2018-05-30",
      "last_synced_at": "2026-09-06T22:07:37.529Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01843920"
    },
    {
      "nct_id": "NCT00273442",
      "title": "Assessing Cosopt Switch Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ocular Hypertension",
        "Open-Angle Glaucoma",
        "Exfoliation Syndrome",
        "Glaucoma, Pigmentary"
      ],
      "interventions": [
        {
          "name": "timolol maleate",
          "type": "DRUG"
        },
        {
          "name": "dorzolamide/timolol maleate fixed combination",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pharmaceutical Research Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2005-11",
      "completion_date": "2007-04",
      "has_results": false,
      "last_update_posted_date": "2008-11-19",
      "last_synced_at": "2026-09-06T22:07:37.529Z",
      "location_count": 5,
      "location_summary": "Little Rock, Arkansas • Atlanta, Georgia • Bourbonnais, Illinois + 2 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Bourbonnais",
          "state": "Illinois"
        },
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        },
        {
          "city": "Mt. Pleasant",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00273442"
    }
  ]
}