{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Ophthalmic+Solution+%28Vehicle%29&page=2",
    "query": {
      "intervention": "Placebo Ophthalmic Solution (Vehicle)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 147,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Ophthalmic+Solution+%28Vehicle%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+Ophthalmic+Solution+%28Vehicle%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T11:20:13.332Z",
  "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": "NCT03960866",
      "title": "Safety and Efficacy of Ophthalmic Phentolamine Mesylate in Glaucoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Open Angle Glaucoma",
        "Ocular Hypertension"
      ],
      "interventions": [
        {
          "name": "Phentolamine Mesylate Ophthalmic Solution 1%",
          "type": "DRUG"
        },
        {
          "name": "Phentolamine Mesylate Ophthalmic Solution Vehicle (Placebo)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Ocuphire Pharma, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2019-05-28",
      "completion_date": "2019-09-11",
      "has_results": true,
      "last_update_posted_date": "2023-09-13",
      "last_synced_at": "2026-10-05T11:20:13.332Z",
      "location_count": 5,
      "location_summary": "Mission Hills, California • Morrow, Georgia • Ann Arbor, Michigan + 2 more",
      "locations": [
        {
          "city": "Mission Hills",
          "state": "California"
        },
        {
          "city": "Morrow",
          "state": "Georgia"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03960866"
    },
    {
      "nct_id": "NCT03764735",
      "title": "Study of SkQ1 as Treatment for Dry-eye Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dry Eye Syndrome"
      ],
      "interventions": [
        {
          "name": "Low Dose - SkQ1",
          "type": "DRUG"
        },
        {
          "name": "High dose - SkQ1",
          "type": "DRUG"
        },
        {
          "name": "SkQ1 (Vehicle)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mitotech, SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 452,
      "start_date": "2018-12-06",
      "completion_date": "2019-02-09",
      "has_results": true,
      "last_update_posted_date": "2022-01-19",
      "last_synced_at": "2026-10-05T11:20:13.332Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Newport Beach, California • Louisville, Kentucky + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Lewiston",
          "state": "Maine"
        },
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03764735"
    },
    {
      "nct_id": "NCT04089735",
      "title": "A Study to Evaluate the Safety, Tolerability and Preliminary Efficacy of APP13007 to Treat Inflammation and Pain After Cataract Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ocular Inflammation and Pain After Cataract Surgery"
      ],
      "interventions": [
        {
          "name": "APP13007, 0.05%",
          "type": "DRUG"
        },
        {
          "name": "APP13007, 0.1%",
          "type": "DRUG"
        },
        {
          "name": "APP13007 Placebo, 0.05%",
          "type": "DRUG"
        },
        {
          "name": "APP13007 Placebo, 0.1%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Formosa Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 165,
      "start_date": "2019-08-13",
      "completion_date": "2020-04-07",
      "has_results": true,
      "last_update_posted_date": "2023-06-27",
      "last_synced_at": "2026-10-05T11:20:13.332Z",
      "location_count": 9,
      "location_summary": "Phoenix, Arizona • Inglewood, California • Rancho Cordova, California + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Inglewood",
          "state": "California"
        },
        {
          "city": "Rancho Cordova",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04089735"
    },
    {
      "nct_id": "NCT01922128",
      "title": "Safety Study of a Topical Treatment for Dry Age Related Macular Degeneration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nonexudative Age-related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "MC-1101, Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MacuCLEAR, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-09",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-04-21",
      "last_synced_at": "2026-10-05T11:20:13.332Z",
      "location_count": 1,
      "location_summary": "Artesia, California",
      "locations": [
        {
          "city": "Artesia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01922128"
    },
    {
      "nct_id": "NCT01675570",
      "title": "A Study of RX-10045 in the Treatment of Dry Eye Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dry Eye Syndrome"
      ],
      "interventions": [
        {
          "name": "RX-10045",
          "type": "DRUG"
        },
        {
          "name": "Vehicle for RX-10045",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "C.T. Development America, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2012-08",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2013-02-08",
      "last_synced_at": "2026-10-05T11:20:13.332Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01675570"
    },
    {
      "nct_id": "NCT02312544",
      "title": "Phase 2b Study Evaluating Safety and Efficacy of OTX-TP Compared to Timolol Drops in the Treatment of Subjects With Open Angle Glaucoma or Ocular Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Glaucoma",
        "Ocular Hypertension"
      ],
      "interventions": [
        {
          "name": "OTX-TP",
          "type": "DRUG"
        },
        {
          "name": "Timolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ocular Therapeutix, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2014-11",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-14",
      "last_synced_at": "2026-10-05T11:20:13.332Z",
      "location_count": 1,
      "location_summary": "Fayetteville, Arkansas",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02312544"
    },
    {
      "nct_id": "NCT05134974",
      "title": "Safety and Efficacy of Nyxol (0.75% Phentolamine Ophthalmic Solution) to Reverse Pharmacologically-Induced Mydriasis (MIRA-3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Mydriasis",
        "Dilation"
      ],
      "interventions": [
        {
          "name": "Phentolamine Ophthalmic Solution 0.75%",
          "type": "DRUG"
        },
        {
          "name": "Phentolamine Ophthalmic Solution Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ocuphire Pharma, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 368,
      "start_date": "2021-11-18",
      "completion_date": "2022-03-29",
      "has_results": true,
      "last_update_posted_date": "2023-08-29",
      "last_synced_at": "2026-10-05T11:20:13.332Z",
      "location_count": 15,
      "location_summary": "Newport Beach, California • Westminster, California • Delray Beach, Florida + 12 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Westminster",
          "state": "California"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        },
        {
          "city": "Longwood",
          "state": "Florida"
        },
        {
          "city": "Morrow",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05134974"
    },
    {
      "nct_id": "NCT07220408",
      "title": "Evaluation of TL-925 for the Treatment of Seasonal Allergic Conjunctivitis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Allergic Conjunctivitis"
      ],
      "interventions": [
        {
          "name": "TL-925",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Telios Pharma, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2025-10-23",
      "completion_date": "2026-02",
      "has_results": false,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-10-05T11:20:13.332Z",
      "location_count": 1,
      "location_summary": "Smyrna, Tennessee",
      "locations": [
        {
          "city": "Smyrna",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07220408"
    },
    {
      "nct_id": "NCT04250207",
      "title": "Study to Investigate the Safety and Efficacy of K-321 in Patients With Fuchs Endothelial Corneal Dystrophy (FECD) Following Descemetorhexis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fuchs' Endothelial Corneal Dystrophy"
      ],
      "interventions": [
        {
          "name": "K-321 Solution",
          "type": "DRUG"
        },
        {
          "name": "Placebo Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kowa Research Institute, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 65,
      "start_date": "2020-06-23",
      "completion_date": "2022-06-27",
      "has_results": true,
      "last_update_posted_date": "2024-11-05",
      "last_synced_at": "2026-10-05T11:20:13.332Z",
      "location_count": 19,
      "location_summary": "Los Angeles, California • Palo Alto, California • Sacramento, California + 14 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04250207"
    },
    {
      "nct_id": "NCT02974907",
      "title": "Assessment of the Safety and Efficacy of RGN-259 Ophthalmic Solutions for Dry Eye Syndrome : ARISE-2",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Dry Eye Syndrome"
      ],
      "interventions": [
        {
          "name": "RGN-259",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ReGenTree, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 601,
      "start_date": "2016-11",
      "completion_date": "2018-03",
      "has_results": true,
      "last_update_posted_date": "2022-01-05",
      "last_synced_at": "2026-10-05T11:20:13.332Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02974907"
    }
  ]
}