{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Progressive+External+Ophthalmoplegia",
    "query": {
      "condition": "Chronic Progressive External Ophthalmoplegia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T06:46:49.292Z",
  "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": "NCT02435940",
      "title": "Inherited Retinal Degenerative Disease Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eye Diseases Hereditary",
        "Retinal Disease",
        "Achromatopsia",
        "Bardet-Biedl Syndrome",
        "Bassen-Kornzweig Syndrome",
        "Batten Disease",
        "Best Disease",
        "Choroidal Dystrophy",
        "Choroideremia",
        "Cone Dystrophy",
        "Cone-Rod Dystrophy",
        "Congenital Stationary Night Blindness",
        "Enhanced S-Cone Syndrome",
        "Fundus Albipunctatus",
        "Goldmann-Favre Syndrome",
        "Gyrate Atrophy",
        "Juvenile Macular Degeneration",
        "Kearns-Sayre Syndrome",
        "Leber Congenital Amaurosis",
        "Refsum Syndrome",
        "Retinitis Pigmentosa",
        "Retinitis Punctata Albescens",
        "Retinoschisis",
        "Rod-Cone Dystrophy",
        "Rod Dystrophy",
        "Rod Monochromacy",
        "Stargardt Disease",
        "Usher Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Foundation Fighting Blindness",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20000,
      "start_date": "2014-06",
      "completion_date": "2037-06",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-05-22T06:46:49.292Z",
      "location_count": 1,
      "location_summary": "Columbia, Maryland",
      "locations": [
        {
          "city": "Columbia",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02435940"
    },
    {
      "nct_id": "NCT02023866",
      "title": "Open-Label, Dose-Escalating Study Assessing Safety, Tolerability, Efficacy, of RP103 in Mitochondrial Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Inherited Mitochondrial Disease, Including Leigh Syndrome"
      ],
      "interventions": [
        {
          "name": "Cysteamine Bitartrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 36,
      "start_date": "2014-05",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-05-22T06:46:49.292Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Stanford, California • Akron, Ohio + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Akron",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02023866"
    },
    {
      "nct_id": "NCT01694940",
      "title": "North American Mitochondrial Disease Consortium Patient Registry and Biorepository (NAMDC)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mitochondrial Disorders",
        "Mitochondrial Genetic Disorders",
        "Mitochondrial Diseases",
        "Disorder of Mitochondrial Respiratory Chain Complexes",
        "Deletion and Duplication of Mitochondrial DNA"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1000,
      "start_date": "2011-01-31",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-05-22T06:46:49.292Z",
      "location_count": 16,
      "location_summary": "San Diego, California • Stanford, California • Aurora, Colorado + 12 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainsville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01694940"
    },
    {
      "nct_id": "NCT06180421",
      "title": "Mitochondrial Video Assessment Source Material Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PolG, Primary Mitochondrial Myopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Emmes Company, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "16 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2023-06-16",
      "completion_date": "2024-02-02",
      "has_results": false,
      "last_update_posted_date": "2024-11-14",
      "last_synced_at": "2026-05-22T06:46:49.292Z",
      "location_count": 1,
      "location_summary": "Kingston, Massachusetts",
      "locations": [
        {
          "city": "Kingston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06180421"
    },
    {
      "nct_id": "NCT05012358",
      "title": "Genomic Profiling of Mitochondrial Disease - Imaging Analysis for Precise Mitochondrial Medicine",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mitochondrial Myopathies",
        "Mitochondrial DNA Mutation",
        "Mitochondrial Diseases",
        "Chronic Progressive External Ophthalmoplegia With Myopathy",
        "Kearns-Sayre Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "15 Years to 80 Years"
      },
      "enrollment_count": 9,
      "start_date": "2022-05-01",
      "completion_date": "2024-01-22",
      "has_results": false,
      "last_update_posted_date": "2024-06-12",
      "last_synced_at": "2026-05-22T06:46:49.292Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05012358"
    },
    {
      "nct_id": "NCT05162768",
      "title": "Study to Evaluate Efficacy and Safety of Elamipretide in Subjects With Primary Mitochondrial Disease From Nuclear DNA Mutations (nPMD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Mitochondrial Myopathies",
        "Mitochondrial Pathology",
        "Mitochondrial DNA Mutation",
        "Mitochondrial Diseases",
        "Mitochondrial DNA Deletion",
        "Mitochondrial DNA Depletion",
        "Mitochondrial Metabolism Defect",
        "Mitochondrial Complex I Deficiency"
      ],
      "interventions": [
        {
          "name": "Elamipretide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stealth BioTherapeutics Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 102,
      "start_date": "2022-04-29",
      "completion_date": "2024-12-04",
      "has_results": false,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-05-22T06:46:49.292Z",
      "location_count": 9,
      "location_summary": "San Diego, California • Atlanta, Georgia • Boston, Massachusetts + 6 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05162768"
    },
    {
      "nct_id": "NCT04678115",
      "title": "Clinical Trial Comparing Two Non-Surgical Treatments for Severe Blepharoptosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blepharoptosis",
        "Ptosis, Eyelid",
        "Myasthenia Gravis",
        "Stroke",
        "Traumatic Brain Injury",
        "Chronic Progressive External Ophthalmoplegia"
      ],
      "interventions": [
        {
          "name": "Magnetic Levator Prosthesis (MLP)",
          "type": "DEVICE"
        },
        {
          "name": "Kinesiotape Frontalis Sling (KTFS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2021-06-01",
      "completion_date": "2024-12-31",
      "has_results": true,
      "last_update_posted_date": "2025-04-22",
      "last_synced_at": "2026-05-22T06:46:49.292Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04678115"
    },
    {
      "nct_id": "NCT02473445",
      "title": "A Long-term Extension of Study RP103-MITO-001 (NCT02023866) to Assess Cysteamine Bitartrate Delayed-release Capsules (RP103) in Children With Inherited Mitochondrial Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Mitochondrial Diseases"
      ],
      "interventions": [
        {
          "name": "Cysteamine Bitartrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Amgen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 22,
      "start_date": "2015-05-19",
      "completion_date": "2017-03-06",
      "has_results": true,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-05-22T06:46:49.292Z",
      "location_count": 5,
      "location_summary": "San Diego, California • Stanford, California • Akron, Ohio + 2 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Akron",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02473445"
    }
  ]
}