{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Retinitis+Pigmentosa+%28RP%29&page=2",
    "query": {
      "condition": "Retinitis Pigmentosa (RP)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Retinitis+Pigmentosa+%28RP%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T09:17:14.740Z",
  "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": "NCT03597399",
      "title": "A Patient Registry Study for Patients Treated With Voretigene Neparvovec in US",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Confirmed Biallelic RPE65 Mutation-associated Retinal Dystrophy"
      ],
      "interventions": [
        {
          "name": "AAV2-hRPE65v2,voretigene neparvovec-rzyl",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Spark Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Months and older"
      },
      "enrollment_count": 87,
      "start_date": "2019-01-10",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-06-11T09:17:14.740Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • Miami, Florida • Iowa City, Iowa + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03597399"
    },
    {
      "nct_id": "NCT00065455",
      "title": "Investigating the Effect of Vitamin A Supplementation on Retinitis Pigmentosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Vitamin A",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Eye Institute (NEI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2003-07-17",
      "completion_date": "2009-05-06",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-06-11T09:17:14.740Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00065455"
    },
    {
      "nct_id": "NCT01014052",
      "title": "Safety/Proof of Concept Study of Oral QLT091001 in Subjects With Leber Congenital Amaurosis (LCA) or Retinitis Pigmentosa (RP) Due to Retinal Pigment Epithelial 65 Protein (RPE65) or Lecithin:Retinol Acyltransferase (LRAT) Mutations",
      "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": 32,
      "start_date": "2009-11",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2013-05-14",
      "last_synced_at": "2026-06-11T09:17:14.740Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Baltimore, Maryland • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01014052"
    },
    {
      "nct_id": "NCT06517940",
      "title": "A Prospective, Observational Study in Adults With Retinitis Pigmentosa (RP)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sumitomo Pharma America, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2024-10-03",
      "completion_date": "2026-04-24",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-06-11T09:17:14.740Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06517940"
    },
    {
      "nct_id": "NCT00063765",
      "title": "Evaluation of Safety of Ciliary Neurotrophic Factor Implants in the Eye",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Ciliary Neurotrophic Factor Implant NT-501",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 10,
      "start_date": "2003-06",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-06-11T09:17:14.740Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00063765"
    },
    {
      "nct_id": "NCT03073733",
      "title": "Safety and Efficacy of Intravitreal Injection of Human Retinal Progenitor Cells in Adults With Retinitis Pigmentosa",
      "overall_status": "COMPLETED",
      "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2017-03-01",
      "completion_date": "2020-11-13",
      "has_results": true,
      "last_update_posted_date": "2024-06-18",
      "last_synced_at": "2026-06-11T09:17:14.740Z",
      "location_count": 3,
      "location_summary": "Irvine, California • Los Angeles, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03073733"
    },
    {
      "nct_id": "NCT04284293",
      "title": "CNS10-NPC for the Treatment of RP",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "CNS10-NPC implantation",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Cedars-Sinai 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": 16,
      "start_date": "2021-07-22",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2025-08-19",
      "last_synced_at": "2026-06-11T09:17:14.740Z",
      "location_count": 1,
      "location_summary": "Beverly Hills, California",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04284293"
    },
    {
      "nct_id": "NCT03999021",
      "title": "FIGHT-RP 1 Extension Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "NAC effervescent tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 30,
      "start_date": "2019-06-24",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2025-10-09",
      "last_synced_at": "2026-06-11T09:17:14.740Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03999021"
    },
    {
      "nct_id": "NCT03381235",
      "title": "Exercise and RP (AVAMC and Emory)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Retinitis Pigmentosa"
      ],
      "interventions": [
        {
          "name": "Spin exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 4,
      "start_date": "2018-02-23",
      "completion_date": "2018-11-28",
      "has_results": false,
      "last_update_posted_date": "2018-12-26",
      "last_synced_at": "2026-06-11T09:17:14.740Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03381235"
    },
    {
      "nct_id": "NCT02575430",
      "title": "Natural History Study in Inherited Retinal Disease Subjects Caused by Mutations in RPE65 or LRAT",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Leber Congenital Amaurosis (LCA)",
        "Retinitis Pigmentosa (RP)"
      ],
      "interventions": [
        {
          "name": "No treatment: retrospective chart review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "QLT Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 59,
      "start_date": "2015-12",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-04-29",
      "last_synced_at": "2026-06-11T09:17:14.740Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Portland, Oregon",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02575430"
    }
  ]
}