{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hunter+Syndrome+%28MPS+II%29&page=2",
    "query": {
      "condition": "Hunter Syndrome (MPS II)",
      "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=Hunter+Syndrome+%28MPS+II%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T10:49:59.718Z",
  "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": "NCT04573023",
      "title": "A Phase III Study of JR-141 in Patients With Mucopolysaccharidosis II (STARLIGHT)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Mucopolysaccharidosis II"
      ],
      "interventions": [
        {
          "name": "JR-141",
          "type": "DRUG"
        },
        {
          "name": "Idursulfase",
          "type": "DRUG"
        },
        {
          "name": "JR-141 or Idursulfase",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "JCR Pharmaceuticals Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 86,
      "start_date": "2022-02-14",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-06-11T10:49:59.718Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • Oakland, California • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04573023"
    },
    {
      "nct_id": "NCT00654433",
      "title": "ALD-101 Adjuvant Therapy of Unrelated Umbilical Cord Blood Transfusion (UCBT) in Patients With Inherited Metabolic Diseases",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Inherited Metabolic Diseases",
        "Lysosomal Storage Disorders",
        "Peroxisomal Storage Diseases",
        "Inborn Errors of Metabolism",
        "Mucopolysaccharidosis"
      ],
      "interventions": [
        {
          "name": "ALD-101",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Aldagen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "Up to 16 Years"
      },
      "enrollment_count": 40,
      "start_date": "2008-03",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2014-07-08",
      "last_synced_at": "2026-06-11T10:49:59.718Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • New York, New York • Durham, North Carolina",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00654433"
    },
    {
      "nct_id": "NCT03292887",
      "title": "Hunter Outcome Survey (HOS)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hunter Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1443,
      "start_date": "2005-10-03",
      "completion_date": "2023-02-16",
      "has_results": false,
      "last_update_posted_date": "2024-10-28",
      "last_synced_at": "2026-06-11T10:49:59.718Z",
      "location_count": 1,
      "location_summary": "Lexington, Massachusetts",
      "locations": [
        {
          "city": "Lexington",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03292887"
    },
    {
      "nct_id": "NCT03566043",
      "title": "CAMPSIITE™ RGX-121 Gene Therapy in Subjects With MPS II (Hunter Syndrome)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Mucopolysaccharidosis Type II (MPS II)"
      ],
      "interventions": [
        {
          "name": "RGX-121",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "REGENXBIO Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Months",
        "maximum_age": "5 Years",
        "sex": "MALE",
        "summary": "4 Months to 5 Years · Male only"
      },
      "enrollment_count": 48,
      "start_date": "2018-09-27",
      "completion_date": "2025-08",
      "has_results": false,
      "last_update_posted_date": "2025-01-28",
      "last_synced_at": "2026-06-11T10:49:59.718Z",
      "location_count": 4,
      "location_summary": "Oakland, California • New Brunswick, New Jersey • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03566043"
    },
    {
      "nct_id": "NCT01449240",
      "title": "Collection and Study of Cerebrospinal Fluid in Patients With Hunter Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hunter Syndrome"
      ],
      "interventions": [
        {
          "name": "No treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "70 Years",
        "sex": "MALE",
        "summary": "Up to 70 Years · Male only"
      },
      "enrollment_count": 10,
      "start_date": "2012-11-12",
      "completion_date": "2013-12-20",
      "has_results": true,
      "last_update_posted_date": "2021-06-09",
      "last_synced_at": "2026-06-11T10:49:59.718Z",
      "location_count": 5,
      "location_summary": "Decatur, Georgia • Chicago, Illinois • Minneapolis, Minnesota + 2 more",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01449240"
    },
    {
      "nct_id": "NCT01870375",
      "title": "Longitudinal Studies of Brain Structure and Function in MPS Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mucopolysaccharidosis Type I",
        "Mucopolysaccharidosis Type II",
        "Mucopolysaccharidosis Type VI",
        "Mucopolysaccharidosis Type IV",
        "Mucopolysaccharidosis Type VII"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2009-09",
      "completion_date": "2019-08-31",
      "has_results": false,
      "last_update_posted_date": "2019-09-06",
      "last_synced_at": "2026-06-11T10:49:59.718Z",
      "location_count": 3,
      "location_summary": "Oakland, California • Minneapolis, Minnesota • New York, New York",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01870375"
    },
    {
      "nct_id": "NCT03041324",
      "title": "Ascending Dose Study of Genome Editing by the Zinc Finger Nuclease (ZFN) Therapeutic SB-913 in Subjects With MPS II",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Mucopolysaccharidosis II",
        "MPS II"
      ],
      "interventions": [
        {
          "name": "SB-913",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Sangamo Therapeutics",
      "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": 9,
      "start_date": "2017-05-11",
      "completion_date": "2021-05-07",
      "has_results": true,
      "last_update_posted_date": "2022-10-25",
      "last_synced_at": "2026-06-11T10:49:59.718Z",
      "location_count": 5,
      "location_summary": "Oakland, California • Chicago, Illinois • New York, New York + 2 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03041324"
    },
    {
      "nct_id": "NCT00692926",
      "title": "Unrelated Umbilical Cord Blood Transplantation Augmented With ALDHbr Umbilical Cord Blood Cells",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "MDS",
        "Anemia, Aplastic",
        "Inborn Errors of Metabolism",
        "Congenital Marrow Failure",
        "Congenital Immunodeficiency Syndrome"
      ],
      "interventions": [
        {
          "name": "ALDHbr Umbilical Cord Blood Cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Joanne Kurtzberg, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "Up to 55 Years"
      },
      "enrollment_count": 37,
      "start_date": "2005-10",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2017-06-29",
      "last_synced_at": "2026-06-11T10:49:59.718Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00692926"
    },
    {
      "nct_id": "NCT00744692",
      "title": "Reduced Intensity Conditioning for Umbilical Cord Blood Transplant in Pediatric Patients With Non-Malignant Disorders",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non Malignant Disorders",
        "Immunodeficiencies",
        "Congenital Marrow Failures",
        "Hemoglobinopathies",
        "Inborn Errors of Metabolism",
        "Sickle Cell",
        "Thalassemia",
        "Lysosomal Storage Disease"
      ],
      "interventions": [
        {
          "name": "Unrelated Umbilical Cord Blood Transplant",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Reduced Intensity Conditioning",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 22,
      "start_date": "2008-10",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2014-08-13",
      "last_synced_at": "2026-06-11T10:49:59.718Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00744692"
    },
    {
      "nct_id": "NCT00920647",
      "title": "A Safety and Dose Ranging Study of Idursulfase (Intrathecal) Administration Via an Intrathecal Drug Delivery Device in Pediatric Patients With Hunter Syndrome Who Have Central Nervous System Involvement and Are Receiving Treatment With Elaprase®",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hunter Syndrome"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "OTHER"
        },
        {
          "name": "Idursulfase IT (1 mg)",
          "type": "DRUG"
        },
        {
          "name": "Idursulfase IT (10 mg)",
          "type": "DRUG"
        },
        {
          "name": "Idursulfase IT (30 mg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "18 Years",
        "sex": "MALE",
        "summary": "3 Years to 18 Years · Male only"
      },
      "enrollment_count": 16,
      "start_date": "2009-11-18",
      "completion_date": "2012-10-29",
      "has_results": true,
      "last_update_posted_date": "2021-06-28",
      "last_synced_at": "2026-06-11T10:49:59.718Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00920647"
    }
  ]
}