{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Placebo+-+Preservative-free+artificial+tears",
    "query": {
      "intervention": "Placebo - Preservative-free artificial tears"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T06:17:33.012Z",
  "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": "NCT07090044",
      "title": "Comparing Post-intravitreal Injection Pain Scores Using Loteprednol, Bromfenac Sodium, and Artificial Tears Over a 24-hour Period",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Vein Occlusion",
        "Macular Degeneration Choroidal Neovascularization",
        "Macular Edema",
        "Diabetic Retinopathy"
      ],
      "interventions": [
        {
          "name": "Bromfenac Sodium 0.07%",
          "type": "DRUG"
        },
        {
          "name": "Loteprednol Etabonate 0.38% Ophthalmic Gel/Jelly",
          "type": "DRUG"
        },
        {
          "name": "Propylene Glycol Preservative-free Artificial Tears",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Retina Research Institute, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 77,
      "start_date": "2021-08-20",
      "completion_date": "2022-12-08",
      "has_results": false,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-09-30T06:17:33.012Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07090044"
    },
    {
      "nct_id": "NCT03918590",
      "title": "Post Intravitreal Injection Topical NSAID vs. Patching",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Neovascular Age-related Macular Degeneration",
        "Diabetic Macular Edema",
        "Retinal Vein Occlusion"
      ],
      "interventions": [
        {
          "name": "nepafenac 0.3% suspension (Ilevro; Alcon, Fort Worth, TX)",
          "type": "DRUG"
        },
        {
          "name": "Theratears tear drop, (Akron, Ann 111 Arbor, MI)",
          "type": "DRUG"
        },
        {
          "name": "patching",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "The New York Eye & Ear Infirmary",
      "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": "2018-12-03",
      "completion_date": "2019-06-03",
      "has_results": false,
      "last_update_posted_date": "2019-04-17",
      "last_synced_at": "2026-09-30T06:17:33.012Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03918590"
    },
    {
      "nct_id": "NCT01533376",
      "title": "Treatment of Port-wine Mark in Sturge-Weber Syndrome Using Topical Timolol",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sturge Weber Syndrome",
        "Port-wine Mark"
      ],
      "interventions": [
        {
          "name": "Timolol",
          "type": "DRUG"
        },
        {
          "name": "Preservative free artificial tear gel.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "2 Years to 10 Years"
      },
      "enrollment_count": 3,
      "start_date": "2012-02",
      "completion_date": "2019-02",
      "has_results": false,
      "last_update_posted_date": "2019-03-21",
      "last_synced_at": "2026-09-30T06:17:33.012Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01533376"
    },
    {
      "nct_id": "NCT04505566",
      "title": "INflammatory MediatorS in the PathophysIology of Diabetic REtinopathy Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetic Retinopathy"
      ],
      "interventions": [
        {
          "name": "Ketorolac 0.45% ophthalmic solution",
          "type": "DRUG"
        },
        {
          "name": "Placebo - Preservative-free artificial tears",
          "type": "DRUG"
        },
        {
          "name": "Aqueous PGE2 and inflammatory cytokines measurements",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Stephen J. Kim, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 164,
      "start_date": "2020-11-09",
      "completion_date": "2026-04-21",
      "has_results": false,
      "last_update_posted_date": "2026-08-21",
      "last_synced_at": "2026-09-30T06:17:33.012Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04505566"
    },
    {
      "nct_id": "NCT00748059",
      "title": "The Pathophysiology of Orthostatic Hypotension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Autonomic Nervous System Diseases",
        "Orthostatic Hypotension",
        "Dopamine Beta-Hydroxylase Deficiency",
        "Orthostatic Intolerance"
      ],
      "interventions": [
        {
          "name": "Standing or upright tilt",
          "type": "PROCEDURE"
        },
        {
          "name": "Microneurography",
          "type": "PROCEDURE"
        },
        {
          "name": "QSweat",
          "type": "PROCEDURE"
        },
        {
          "name": "neck cuff stimulation",
          "type": "DEVICE"
        },
        {
          "name": "phenylephrine,isoproterenol,nitroprusside,propranolol,edrophonium,atropine,tyramine",
          "type": "DRUG"
        },
        {
          "name": "clonidine,yohimbine,metoclopramide,alpha-methyldopa",
          "type": "DRUG"
        },
        {
          "name": "BodPod",
          "type": "PROCEDURE"
        },
        {
          "name": "Eye exam",
          "type": "PROCEDURE"
        },
        {
          "name": "Sleep study",
          "type": "PROCEDURE"
        },
        {
          "name": "Pain response testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Metabolic chamber",
          "type": "PROCEDURE"
        },
        {
          "name": "Brain function studies",
          "type": "PROCEDURE"
        },
        {
          "name": "Bicycle Exercise Test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "12 Years to 70 Years"
      },
      "enrollment_count": 10,
      "start_date": "1996-12",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2021-05-12",
      "last_synced_at": "2026-09-30T06:17:33.012Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00748059"
    }
  ]
}