{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+%28Vehicle%29+opthalmic+solution",
    "query": {
      "intervention": "Placebo (Vehicle) opthalmic solution"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T22:12:36.865Z",
  "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": "NCT02121301",
      "title": "A Clinical Study to Assess the Safety and Efficacy of an Ophthalmic Solution (SkQ1) in the Treatment of Dry Eye Syndrome (DES)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Keratoconjunctivitis Sicca"
      ],
      "interventions": [
        {
          "name": "Low Dose 0.155µg/mL SkQ1 ophthalmic solution",
          "type": "DRUG"
        },
        {
          "name": "High Dose 1.55µg/mL SkQ1 ophthalmic solution",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Vehicle) opthalmic solution",
          "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": 91,
      "start_date": "2014-04",
      "completion_date": "2014-06",
      "has_results": true,
      "last_update_posted_date": "2020-11-02",
      "last_synced_at": "2026-10-01T22:12:36.865Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02121301"
    },
    {
      "nct_id": "NCT05646719",
      "title": "Safety and Efficacy of Nyxol Eye Drops as a Single Agent and With Adjunctive Low-Dose Pilocarpine Eye Drops in Subjects With Presbyopia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Presbyopia"
      ],
      "interventions": [
        {
          "name": "Phentolamine Opthalmic Solution 0.75%",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Low dose pilocarpine",
          "type": "DRUG"
        },
        {
          "name": "Low dose pilocarpine vehicle",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Ocuphire Pharma, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "40 Years to 64 Years"
      },
      "enrollment_count": 333,
      "start_date": "2022-12-22",
      "completion_date": "2023-10-11",
      "has_results": true,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-01T22:12:36.865Z",
      "location_count": 26,
      "location_summary": "Phoenix, Arizona • Azusa, California • Newport Beach, California + 23 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05646719"
    },
    {
      "nct_id": "NCT05555589",
      "title": "Assessment of the Safety and Efficacy of 0.1% RGN-259 Ophthalmic Solution for the Treatment of NK: SEER-2",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Neurotrophic Keratopathy"
      ],
      "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": 70,
      "start_date": "2023-04-11",
      "completion_date": "2026-05-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-23",
      "last_synced_at": "2026-10-01T22:12:36.865Z",
      "location_count": 29,
      "location_summary": "Laguna Hills, California • Loma Linda, California • Colorado Springs, Colorado + 25 more",
      "locations": [
        {
          "city": "Laguna Hills",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Longmont",
          "state": "Colorado"
        },
        {
          "city": "Danbury",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05555589"
    }
  ]
}