{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pigmentary+Retinopathy&page=3",
    "query": {
      "condition": "Pigmentary Retinopathy",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 141,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pigmentary+Retinopathy&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pigmentary+Retinopathy&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T21:05:15.503Z",
  "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": "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": "2026-09-30T21:05:15.503Z",
      "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": "NCT04558983",
      "title": "A Natural History Study to Evaluate Functional and Anatomical Progression in Retinitis Pigmentosa",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 32,
      "start_date": "2020-06-11",
      "completion_date": "2024-12-20",
      "has_results": false,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-09-30T21:05:15.503Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04558983"
    },
    {
      "nct_id": "NCT01866371",
      "title": "High Resolution Retinal Imaging",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stargardts",
        "Retinitis Pigmentosa",
        "Age-related Macular Degeneration",
        "Choroideremia",
        "Geographic Atrophy"
      ],
      "interventions": [
        {
          "name": "Retinal imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2013-05",
      "completion_date": "2031-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-30T21:05:15.503Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01866371"
    },
    {
      "nct_id": "NCT06092346",
      "title": "A Natural History Study Seeks to Understand the Clinical, Genomic, Pharmacological, Laboratory, and Dietary Determinates of Pyrimidine and Purine Metabolism Disorders",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "AMPD3, OMIM*102772, AMP Deaminase Deficiency",
        "AK1, OMIM *103000, Adenylate Kinase Deficiency",
        "AMPD1, OMIM *102770, Myopathy Due to Myoadenylate Deaminase Deficiency",
        "TPMT, OMIM *187680, Thoipurines, Poor Metabolism of",
        "IMPDH1, OMIM *146690, Retinitis Pigmentosa Type 10, Leber Congenital Amauriosis Type 11",
        "APRT, OMIM *102600, Adenine Phosphoribosyltransferase Deficiency",
        "HPRT1, OMIM *308000 Lesch-Nyhan Disease",
        "XDH, OMIM *607633, Xanthinuria Type 1",
        "SLC2A9, OMIM *606142 Hypouricemia",
        "SLC22A12, OMIM *607096 Hypouricemia",
        "PRPS1 Def, OMIM *311850, Arts Syndrome; Charcot-Marie-Tooth Disease",
        "PRPS1 SA, OMIM *311850 Gout, PRPS-related Phosphoribosylpyrophosphate Synthetase Superactivity",
        "AMPD2, OMIM *102771, Spastic Paraplegia 63; Pontocerebellar Hypoplasia",
        "ITPA, OMIM *147520, Inosine Triphosphatase Deficiency; Developmental and Epileptic Encephalopathy 35",
        "ADSL, OMIM *608222, Adenylosuccinate Lyase Deficiency",
        "PNP, OMIM *164050, Nucleoside Phosphorylase Deficiency",
        "ADA2, OMIM *607575,Sneddon Syndrome; VAIHS",
        "CAD, *1140120, Developmental and Epileptic Encephalopathy",
        "UPB1, OMIM *606673, Beta-ureidopropionase Deficiency",
        "DPYS, OMIM *613326, Dihydropyrimidinase Deficiency",
        "DPYD, OMIM *274270, Dihydropyrimidine Dehydrogenase Deficiency",
        "DHODH, OMIM *126064, Miller Syndrome (Postaxial Acrofacial Dysostosis)",
        "UMPS, OMIM *613891, Orotic Aciduria",
        "NT5C3A<TAB>, OMIM *606224, Anemia, Hemolytic, Due to UMPH1 Deficiency",
        "UNG, OMIM *191525, Hyper-IgM Syndrome 5",
        "AICDA, OMIM *605257, Immunodeficiency With Hyper-IgM, Type 2; HIGM2",
        "Purine-Pyrimidine Metabolism",
        "Metabolic Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "1 Month to 100 Years"
      },
      "enrollment_count": 999,
      "start_date": "2023-12-19",
      "completion_date": "2099-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-30T21:05:15.503Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06092346"
    },
    {
      "nct_id": "NCT06388200",
      "title": "A Phase 3 Study Of OCU400 Gene Therapy for the Treatment Of Retinitis Pigmentosa",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Sub-Retinal Administration of OCU400-301",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Ocugen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "3 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2024-06-18",
      "completion_date": "2027-02-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-30T21:05:15.503Z",
      "location_count": 12,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Los Angeles, California + 9 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Deerfield Beach",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06388200"
    },
    {
      "nct_id": "NCT01521793",
      "title": "Repeated Treatments of QLT091001 in Subjects With Leber Congenital Amaurosis or Retinitis Pigmentosa (Extension of Study RET IRD 01)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "LCA (Leber Congenital Amaurosis)",
        "RP (Retinitis Pigmentosa)"
      ],
      "interventions": [
        {
          "name": "QLT091001",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "QLT Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "5 Years to 65 Years"
      },
      "enrollment_count": 27,
      "start_date": "2012-01",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2014-07-28",
      "last_synced_at": "2026-09-30T21:05:15.503Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Baltimore, Maryland",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01521793"
    },
    {
      "nct_id": "NCT05392751",
      "title": "Dose Escalation Study to Evaluate the Safety/Tolerability and Efficacy of EA-2353 in Subjects With Retinitis Pigmentosa",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa",
        "Retinitis Pigmentosa Syndrome"
      ],
      "interventions": [
        {
          "name": "EA-2353",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endogena Therapeutics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2022-06-02",
      "completion_date": "2024-04-24",
      "has_results": false,
      "last_update_posted_date": "2024-10-15",
      "last_synced_at": "2026-09-30T21:05:15.503Z",
      "location_count": 5,
      "location_summary": "Miami, Florida • Ann Arbor, Michigan • Portland, Oregon + 2 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "McAllen",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05392751"
    },
    {
      "nct_id": "NCT02556736",
      "title": "AGN-151597 (Formerly RST-001) Phase I/II Trial for Advanced Retinitis Pigmentosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Advanced Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "AGN-151597",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2015-12-14",
      "completion_date": "2024-10-21",
      "has_results": true,
      "last_update_posted_date": "2026-01-12",
      "last_synced_at": "2026-09-30T21:05:15.503Z",
      "location_count": 4,
      "location_summary": "San Francisco, California • Edgewood, Kentucky • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Edgewood",
          "state": "Kentucky"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02556736"
    },
    {
      "nct_id": "NCT00016471",
      "title": "A Genetic Analysis of Usher Syndrome in Ashkenazi Jews",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Usher Syndrome",
        "Retinitis Pigmentosa",
        "Congenital Hearing Impairment"
      ],
      "interventions": [
        {
          "name": "Audiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Electroretinogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Center for Research Resources (NCRR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "0 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2001-03",
      "completion_date": "2002-02",
      "has_results": false,
      "last_update_posted_date": "2005-06-24",
      "last_synced_at": "2026-09-30T21:05:15.503Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00016471"
    },
    {
      "nct_id": "NCT05748873",
      "title": "Promising ROd-cone DYstrophy Gene therapY",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "SPVN06",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SparingVision",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2023-04-12",
      "completion_date": "2031-02",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-09-30T21:05:15.503Z",
      "location_count": 5,
      "location_summary": "Miami, Florida • Boston, Massachusetts • Portland, Oregon + 2 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05748873"
    }
  ]
}