{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hereditary+Retinal+Dystrophy&page=5",
    "query": {
      "condition": "Hereditary Retinal Dystrophy",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 164,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hereditary+Retinal+Dystrophy&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hereditary+Retinal+Dystrophy&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T06:09:55.052Z",
  "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": "NCT02140164",
      "title": "Study of Oral Minocycline in Treating Bilateral Cystoid Macular Edema Associated With Retinitis Pigmentosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Minocycline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2014-05",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2024-04-17",
      "last_synced_at": "2026-10-21T06:09:55.052Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02140164"
    },
    {
      "nct_id": "NCT05429736",
      "title": "Activating Spinal Circuits to Improve Walking, Balance, Strength, and Reduce Spasticity",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Incomplete Spinal Cord Injury",
        "Spasticity, Muscle"
      ],
      "interventions": [
        {
          "name": "Motor Skill Training (MST)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Transcutaneous Spinal Stimulation (TSS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "Shepherd Center, Atlanta GA",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 28,
      "start_date": "2022-03-01",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-10-21T06:09:55.052Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05429736"
    },
    {
      "nct_id": "NCT07425574",
      "title": "A Study to Learn How Stargardt-type Eye Conditions Progress in Children and Adults",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stargardt Disease",
        "Stargardt Macular Dystrophy",
        "Stargardt-like Macular Dystrophy"
      ],
      "interventions": [
        {
          "name": "No Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2026-02-20",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-20",
      "last_synced_at": "2026-10-21T06:09:55.052Z",
      "location_count": 15,
      "location_summary": "Phoenix, Arizona • Palo Alto, California • Sacramento, California + 12 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07425574"
    },
    {
      "nct_id": "NCT04925687",
      "title": "Phase 1 Study of Intravitreal Autologous CD34+ Stem Cell Therapy for Retinitis Pigmentosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Intravitreal autologous CD34+ cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2021-06-01",
      "completion_date": "2023-11-01",
      "has_results": false,
      "last_update_posted_date": "2024-09-23",
      "last_synced_at": "2026-10-21T06:09:55.052Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04925687"
    },
    {
      "nct_id": "NCT00001347",
      "title": "Study of Usher Syndromes, Type 1 and Type 2",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 200,
      "start_date": "1993-06",
      "completion_date": "2002-08",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-21T06:09:55.052Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001347"
    },
    {
      "nct_id": "NCT00000116",
      "title": "Randomized Trial of DHA for Retinitis Pigmentosa Patients Receiving Vitamin A",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Vitamin A",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Docosahexaenoic acid",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control fatty acid",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Carol Weigel DiFranco",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 221,
      "start_date": "1996-05",
      "completion_date": "2002-09",
      "has_results": false,
      "last_update_posted_date": "2023-03-08",
      "last_synced_at": "2026-10-21T06:09:55.052Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000116"
    },
    {
      "nct_id": "NCT05573984",
      "title": "Natural History of PRPF31 Mutation-Associated Retinal Dystrophy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinitis Pigmentosa",
        "Eye Diseases, Hereditary",
        "Retinal Dystrophies",
        "Retinal Dystrophy Rod",
        "Retinal Dystrophy Rod Progressive"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "PYC Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2022-07-07",
      "completion_date": "2026-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-21T06:09:55.052Z",
      "location_count": 5,
      "location_summary": "San Francisco, California • Jacksonville, Florida • Ann Arbor, Michigan + 2 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05573984"
    },
    {
      "nct_id": "NCT06912633",
      "title": "Safety of a Single, Intravitreal Injection of 6.0M jCell (Famzeretcel) in Retinitis Pigmentosa (RP)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "human retinal progenitor cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Mock injection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "jCyte, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 31,
      "start_date": "2025-06-20",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-21T06:09:55.052Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • Bakersfield, California • Beverly Hills, California + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06912633"
    },
    {
      "nct_id": "NCT00106743",
      "title": "Natural History and Genetic Studies of Usher Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinitis Pigmentosa Syndromic",
        "Congenital Deafness",
        "Usher Syndrome",
        "Retinitis Pigmentosa and Deafness",
        "Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 249,
      "start_date": "2005-03-21",
      "completion_date": "2019-04-30",
      "has_results": false,
      "last_update_posted_date": "2019-12-12",
      "last_synced_at": "2026-10-21T06:09:55.052Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • New York, New York",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00106743"
    },
    {
      "nct_id": "NCT00737581",
      "title": "Spinal Cord Stimulation Research Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Low Back and Leg Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "MedtronicNeuro",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2008-08",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2017-02-01",
      "last_synced_at": "2026-10-21T06:09:55.052Z",
      "location_count": 2,
      "location_summary": "Edina, Minnesota • Garland, Texas",
      "locations": [
        {
          "city": "Edina",
          "state": "Minnesota"
        },
        {
          "city": "Garland",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00737581"
    }
  ]
}