{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=SPK-8016",
    "query": {
      "intervention": "SPK-8016"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 2,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T09:19:18.693Z",
  "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": "NCT03432520",
      "title": "Long-Term Safety and Efficacy of Spark-Sponsored Gene Therapies in Males With Hemophilia A",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hemophilia A"
      ],
      "interventions": [
        {
          "name": "SPK-8011",
          "type": "GENETIC"
        },
        {
          "name": "SPK-8016",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Spark Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 29,
      "start_date": "2018-08-14",
      "completion_date": "2032-12",
      "has_results": false,
      "last_update_posted_date": "2024-11-29",
      "last_synced_at": "2026-09-07T09:19:18.693Z",
      "location_count": 9,
      "location_summary": "Boston, Massachusetts • Madison, Mississippi • Kansas City, Missouri + 5 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Madison",
          "state": "Mississippi"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03432520"
    },
    {
      "nct_id": "NCT03734588",
      "title": "Dose-finding Study of SPK-8016 Gene Therapy in Patients With Hemophilia A to Support Evaluation in Individuals With FVIII Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Adeno-Associated Virus (AAV)",
        "Blood Coagulation Disorder",
        "Blood Coagulation Disorders, Inherited",
        "Coagulation Protein Disorders",
        "Factor VIII (FVIII)",
        "Factor VIII (FVIII) Deficiency",
        "Factor VIII (FVIII) Gene",
        "Factor VIII (FVIII) Protein",
        "Genetic Diseases, Inborn",
        "Genetic Diseases, X-Linked",
        "Gene Therapy",
        "Gene Transfer",
        "Hematologic Diseases",
        "Hemorrhagic Disorders",
        "Recombinant",
        "Vector",
        "Inhibitors"
      ],
      "interventions": [
        {
          "name": "SPK-8016",
          "type": "GENETIC"
        }
      ],
      "intervention_types": [
        "GENETIC"
      ],
      "sponsor": "Spark Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 4,
      "start_date": "2019-01-30",
      "completion_date": "2023-01-19",
      "has_results": true,
      "last_update_posted_date": "2024-02-23",
      "last_synced_at": "2026-09-07T09:19:18.693Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Peoria, Illinois • Ann Arbor, Michigan + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Madison",
          "state": "Mississippi"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03734588"
    }
  ]
}