{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proparacaine+Hydrochloride",
    "query": {
      "intervention": "Proparacaine Hydrochloride"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proparacaine+Hydrochloride&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T13:27:31.824Z",
  "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": "NCT02688309",
      "title": "Pro-permeability and Pro-fibrosis Factors in the Aqueous of Patients With Retinal Diseases",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Macular Edema",
        "Fibrosis of the Retina"
      ],
      "interventions": [
        {
          "name": "Ozurdex",
          "type": "DRUG"
        },
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Anterior Chamber (AC) Tap",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2015-01-13",
      "completion_date": "2021-10-28",
      "has_results": false,
      "last_update_posted_date": "2022-07-08",
      "last_synced_at": "2026-09-24T13:27:31.824Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02688309"
    },
    {
      "nct_id": "NCT04229771",
      "title": "Does Topical Ophthalmic Anesthetic Prior to Probing and Irrigation Decrease Pain?",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Epiphora",
        "Dacryostenosis",
        "Dacryocystitis"
      ],
      "interventions": [
        {
          "name": "Proparacaine Hydrochloride ophthalmic solution, USP 0.5%",
          "type": "DRUG"
        },
        {
          "name": "Balanced salt solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Corewell Health East",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2020-06-30",
      "completion_date": "2020-11-30",
      "has_results": true,
      "last_update_posted_date": "2023-01-19",
      "last_synced_at": "2026-09-24T13:27:31.824Z",
      "location_count": 1,
      "location_summary": "Royal Oak, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04229771"
    },
    {
      "nct_id": "NCT00487643",
      "title": "Normal Lacritin Levels in Human Tears- Development of a New Clinical Assay",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tear Protein Lacritin in Human Tears"
      ],
      "interventions": [
        {
          "name": "Tear Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Walter Reed Army Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "21 Years to 55 Years"
      },
      "enrollment_count": 100,
      "start_date": "2008-05",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-07-11",
      "last_synced_at": "2026-09-24T13:27:31.824Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00487643"
    },
    {
      "nct_id": "NCT00769392",
      "title": "Pilot Study: A Randomized Trial Of Anesthetic Agents For Intravitreal Injection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Proparacaine Ophthalmic",
          "type": "DRUG"
        },
        {
          "name": "Tetracaine Ophthalmic",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine 4%",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine 2% Injectable Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lahey Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2008-09",
      "completion_date": "2009-08-12",
      "has_results": true,
      "last_update_posted_date": "2020-03-09",
      "last_synced_at": "2026-09-24T13:27:31.824Z",
      "location_count": 3,
      "location_summary": "Arlington, Massachusetts • Burlington, Massachusetts • Peabody, Massachusetts",
      "locations": [
        {
          "city": "Arlington",
          "state": "Massachusetts"
        },
        {
          "city": "Burlington",
          "state": "Massachusetts"
        },
        {
          "city": "Peabody",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00769392"
    },
    {
      "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": "2026-09-24T13:27:31.824Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00748059"
    },
    {
      "nct_id": "NCT01738243",
      "title": "Hyaluronic Acid Gels for Upper Lid Retraction in Active Stage Thyroid Eye Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Thyroid Eye Disease"
      ],
      "interventions": [
        {
          "name": "Hyaluronic Acid Gel injection",
          "type": "DRUG"
        },
        {
          "name": "Saline injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 2,
      "start_date": "2013-12",
      "completion_date": "2021-09",
      "has_results": false,
      "last_update_posted_date": "2021-10-04",
      "last_synced_at": "2026-09-24T13:27:31.824Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01738243"
    },
    {
      "nct_id": "NCT04838223",
      "title": "Neurosensory Abnormalities in SymptomAtic Ocular Surface Patients (NASA)",
      "overall_status": "SUSPENDED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dry Eye",
        "Neuropathic Pain"
      ],
      "interventions": [
        {
          "name": "Hyperosmolar Response",
          "type": "OTHER"
        },
        {
          "name": "Proparacaine Challenge Test",
          "type": "OTHER"
        },
        {
          "name": "Contact Lens Dry Eye Questionnaire-8 (CLDEQ-8) Optional; only for Contact Lens Wearers",
          "type": "OTHER"
        },
        {
          "name": "Ocular Pain Assessment Survey (OPAS)",
          "type": "OTHER"
        },
        {
          "name": "Visual Analogue Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Tufts Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2021-07-02",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-01-27",
      "last_synced_at": "2026-09-24T13:27:31.824Z",
      "location_count": 16,
      "location_summary": "Azusa, California • Pomona, California • San Francisco, California + 10 more",
      "locations": [
        {
          "city": "Azusa",
          "state": "California"
        },
        {
          "city": "Pomona",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04838223"
    },
    {
      "nct_id": "NCT05238233",
      "title": "Wearing-Off Period of Pharmacological Dilation and Anisocoria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anisocoria"
      ],
      "interventions": [
        {
          "name": "Tropicamide",
          "type": "DRUG"
        },
        {
          "name": "1% Pilocarpine",
          "type": "DRUG"
        },
        {
          "name": "Proparacaine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Tono pen AVIA",
          "type": "DEVICE"
        },
        {
          "name": "VG4 Gonio",
          "type": "DEVICE"
        },
        {
          "name": "Reichert phoropter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Prisma Health-Upstate",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2022-04-01",
      "completion_date": "2023-01-17",
      "has_results": true,
      "last_update_posted_date": "2023-03-07",
      "last_synced_at": "2026-09-24T13:27:31.824Z",
      "location_count": 1,
      "location_summary": "Greenville, South Carolina",
      "locations": [
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05238233"
    },
    {
      "nct_id": "NCT03560609",
      "title": "Optic Nerve Head Structural Response to IOP Elevation in Patients With Keratoconus",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Keratoconus",
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Ophthalmodynamometer",
          "type": "DEVICE"
        },
        {
          "name": "Goldmann applanation tonometer",
          "type": "DEVICE"
        },
        {
          "name": "Pentacam",
          "type": "DEVICE"
        },
        {
          "name": "ORA",
          "type": "DEVICE"
        },
        {
          "name": "Optical Coherence Tomography (OCT)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 3,
      "start_date": "2018-11-15",
      "completion_date": "2024-01-19",
      "has_results": true,
      "last_update_posted_date": "2025-01-29",
      "last_synced_at": "2026-09-24T13:27:31.824Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03560609"
    },
    {
      "nct_id": "NCT07456826",
      "title": "Study Evaluating the Efficacy and Safety of Chloroprocaine HCl Ophthalmic Gel 3% vs Proparacaine Ophthalmic Solution 0.5% Plus Subconjunctival Lidocaine in Patients Undergoing Intravitreal Injections",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Diabetic Macular Edema (DME)",
        "Age-Related Macular Degeneration (AMD)",
        "Retinal Vein Occlusion",
        "Diabetic Retinopathy (DR)"
      ],
      "interventions": [
        {
          "name": "Chloroprocaine Ophthalmic Gel 3% (IHEEZO)",
          "type": "DRUG"
        },
        {
          "name": "Sham Subconjunctival Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Proparacaine Hydrochloride Ophthalmic Solution 0.5%",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine Hydrochloride Injection 2%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Harrow Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 236,
      "start_date": "2026-03-31",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-09-24T13:27:31.824Z",
      "location_count": 1,
      "location_summary": "Tyler, Texas",
      "locations": [
        {
          "city": "Tyler",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07456826"
    }
  ]
}