{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ischemic+Optic+Neuropathy",
    "query": {
      "condition": "Ischemic Optic Neuropathy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ischemic+Optic+Neuropathy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T03:39:03.359Z",
  "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": "NCT01975324",
      "title": "A New Medicine to Treat Nonarteritic Anterior Ischemic Optic Neuropathy (NAION)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Non Arteritic Ischemic Optic Neuropathy"
      ],
      "interventions": [
        {
          "name": "dalfampridine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Neuro-Ophthalmologic Associates, PC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2013-07",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-01-25",
      "last_synced_at": "2026-05-22T03:39:03.359Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01975324"
    },
    {
      "nct_id": "NCT05305079",
      "title": "NA-AION Risk Factors: New Perspectives",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-arteritic Ischemic Optic Neuropathy",
        "Optic Disk Drusen"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Rigshospitalet, Denmark",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "11 Years and older"
      },
      "enrollment_count": 179,
      "start_date": "2021-08-01",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-05-22T03:39:03.359Z",
      "location_count": 5,
      "location_summary": "Palo Alto, California • San Francisco, California • Boulder, Colorado + 2 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05305079"
    },
    {
      "nct_id": "NCT02341560",
      "title": "Phase 2/3, Randomized, Double-Masked, Sham-Controlled Trial of QPI-1007 in Subjects With Acute Nonarteritic Anterior Ischemic Optic Neuropathy (NAION)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Non Arteritic Anterior Ischemic Optic Neuropathy"
      ],
      "interventions": [
        {
          "name": "QPI-1007 Injection - 1.5 mg",
          "type": "DRUG"
        },
        {
          "name": "QPI-1007 Injection - 3.0 mg",
          "type": "DRUG"
        },
        {
          "name": "Sham Injection Procedure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Quark Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 732,
      "start_date": "2016-02-24",
      "completion_date": "2019-07-01",
      "has_results": false,
      "last_update_posted_date": "2020-07-20",
      "last_synced_at": "2026-05-22T03:39:03.359Z",
      "location_count": 44,
      "location_summary": "Little Rock, Arkansas • Loma Linda, California • Los Angeles, California + 35 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02341560"
    },
    {
      "nct_id": "NCT03047369",
      "title": "The Myelin Disorders Biorepository Project",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leukodystrophy",
        "White Matter Disease",
        "Leukoencephalopathies",
        "4H Syndrome",
        "Adrenoleukodystrophy",
        "AMN",
        "ALD",
        "ALD Gene Mutation",
        "ALD (Adrenoleukodystrophy)",
        "X-linked Adrenoleukodystrophy",
        "X-ALD",
        "Adrenomyeloneuropathy",
        "Aicardi Goutieres Syndrome",
        "AGS",
        "Alexander Disease",
        "Alexanders Leukodystrophy",
        "AxD",
        "ADLD",
        "Canavan Disease",
        "CTX",
        "Cerebrotendinous Xanthomatoses",
        "Krabbe Disease",
        "GALC Deficiency",
        "Globoid Leukodystrophy",
        "TUBB4A-Related Leukodystrophy",
        "H-ABC - Hypomyelination, Atrophy of Basal Ganglia and Cerebellum",
        "HBSL",
        "HBSL - Hypomyelination, Brain Stem, Spinal Cord, Leg Spasticity",
        "LBSL",
        "Leukoencephalopathy With Brain Stem and Spinal Cord Involvement and High Lactate Syndrome (Disorder)",
        "Leukoencephalopathy With Brainstem and Spinal Cord Involvement and Lactate Elevation",
        "ALSP",
        "CSF1R Gene Mutation",
        "HCC - Hypomyelination and Congenital Cataract",
        "MLC1",
        "Megalencephalic Leukoencephalopathy With Subcortical Cysts",
        "MLD",
        "Metachromatic Leukodystrophy",
        "PMD",
        "Pelizaeus-Merzbacher Disease",
        "PLP1 Null Syndrome",
        "PLP1 Gene Duplication &#X7C; Blood or Tissue &#X7C; Mutations",
        "Pelizaeus Merzbacher Like Disease",
        "Peroxisomal Biogenesis Disorder",
        "Zellweger Syndrome",
        "Refsum Disease",
        "Salla Disease",
        "Sialic Storage Disease",
        "Sjögren",
        "Sjogren-Larsson Syndrome",
        "Van Der Knapp Disease",
        "Vanishing White Matter Disease",
        "Charcot-Marie-Tooth",
        "CMT",
        "Mct8 (Slc16A2)-Specific Thyroid Hormone Cell Transporter Deficiency",
        "Allan-Herndon-Dudley Syndrome",
        "Cadasil",
        "Cockayne Syndrome",
        "Multiple Sulfatase Deficiency",
        "Gangliosidoses",
        "GM2 Gangliosidosis",
        "BPAN",
        "Labrune Syndrome",
        "LCC",
        "Mucopolysaccharidoses",
        "TBCK-Related Intellectual Disability Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 12000,
      "start_date": "2016-12-08",
      "completion_date": "2030-12-08",
      "has_results": false,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-05-22T03:39:03.359Z",
      "location_count": 23,
      "location_summary": "Los Angeles, California • Orange, California • Palo Alto, California + 18 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03047369"
    },
    {
      "nct_id": "NCT01064505",
      "title": "Safety Study of a Single IVT Injection of QPI-1007 in Chronic Optic Nerve Atrophy and Recent Onset NAION Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Optic Atrophy",
        "Non-arteritic Anterior Ischemic Optic Neuropathy"
      ],
      "interventions": [
        {
          "name": "QPI-1007 at various doses",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Quark Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2010-02",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2013-05-13",
      "last_synced_at": "2026-05-22T03:39:03.359Z",
      "location_count": 22,
      "location_summary": "Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 19 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01064505"
    },
    {
      "nct_id": "NCT03475173",
      "title": "New Non-invasive Modalities for Assessing Retinal Structure and Function",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ischemic Optic Neuropathy",
        "Branch Retinal Artery Occlusion",
        "Hemianopia",
        "Leber Hereditary Optic Neuropathy",
        "Acute Zonal Occult Outer Retinopathy"
      ],
      "interventions": [
        {
          "name": "LSFG-NAVI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Randy Kardon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 500,
      "start_date": "2019-05-06",
      "completion_date": "2028-03-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-24",
      "last_synced_at": "2026-05-22T03:39:03.359Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03475173"
    },
    {
      "nct_id": "NCT02643615",
      "title": "Safety and Efficacy of Using SightSaver Visual Evoked Potential (VEP) for VEP Monitoring in Prone Spine Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ischemic Optic Neuropathy"
      ],
      "interventions": [
        {
          "name": "VEP under TIVA",
          "type": "DEVICE"
        },
        {
          "name": "VEP under balanced anesth.",
          "type": "DEVICE"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Desflurane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2014-09",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2017-08-01",
      "last_synced_at": "2026-05-22T03:39:03.359Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02643615"
    },
    {
      "nct_id": "NCT00561834",
      "title": "Ranibizumab Therapy for Non-arteritic Ischemic Optic Neuropathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nonarteritic Anterior Ischemic Optic Neuropathy"
      ],
      "interventions": [
        {
          "name": "ranibizumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2007-11",
      "completion_date": "2009-04",
      "has_results": true,
      "last_update_posted_date": "2016-09-30",
      "last_synced_at": "2026-05-22T03:39:03.359Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00561834"
    },
    {
      "nct_id": "NCT00759174",
      "title": "A Study to Assess Whether PDE5 Inhibitors Increase the Chance of Triggering the Onset of Acute NAION",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Optic Neuropathy, Ischemic"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer's Upjohn has merged with Mylan to form Viatris Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "45 Years and older · Male only"
      },
      "enrollment_count": 673,
      "start_date": "2008-11",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2021-02-01",
      "last_synced_at": "2026-05-22T03:39:03.359Z",
      "location_count": 69,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 57 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00759174"
    },
    {
      "nct_id": "NCT03011541",
      "title": "Stem Cell Ophthalmology Treatment Study II",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinal Disease",
        "Age-Related Macular Degeneration",
        "Retinitis Pigmentosa",
        "Stargardt Disease",
        "Optic Neuropathy",
        "Nonarteritic Ischemic Optic Neuropathy",
        "Optic Atrophy",
        "Optic Nerve Disease",
        "Glaucoma",
        "Leber Hereditary Optic Neuropathy",
        "Blindness",
        "Vision Loss Night",
        "Vision Loss Partial",
        "Vision, Low",
        "Retinopathy",
        "Maculopathy",
        "Macular Degeneration",
        "Retina Atrophy"
      ],
      "interventions": [
        {
          "name": "Arm 1",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "MD Stem Cells",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2016-01",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-20",
      "last_synced_at": "2026-05-22T03:39:03.359Z",
      "location_count": 2,
      "location_summary": "Westport, Connecticut • Coral Springs, Florida",
      "locations": [
        {
          "city": "Westport",
          "state": "Connecticut"
        },
        {
          "city": "Coral Springs",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03011541"
    }
  ]
}