{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?nctId=NCT03304639",
    "query": {
      "nctId": "NCT03304639"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T12:55:55.038Z",
  "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": "NCT03304639",
      "title": "Testing the Addition of Radiation Therapy to Immunotherapy for Merkel Cell Carcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Merkel Cell Carcinoma",
        "Clinical Stage III Cutaneous Merkel Cell Carcinoma AJCC v8",
        "Clinical Stage IV Cutaneous Merkel Cell Carcinoma AJCC v8",
        "Metastatic Merkel Cell Carcinoma",
        "Pathologic Stage III Cutaneous Merkel Cell Carcinoma AJCC v8",
        "Pathologic Stage IIIA Cutaneous Merkel Cell Carcinoma AJCC v8",
        "Pathologic Stage IIIB Cutaneous Merkel Cell Carcinoma AJCC v8",
        "Pathologic Stage IV Cutaneous Merkel Cell Carcinoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2018-06-12",
      "completion_date": "2026-02-19",
      "has_results": true,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-10T12:55:55.038Z",
      "location_count": 254,
      "location_summary": "Anchorage, Alaska • Tucson, Arizona • Fort Smith, Arkansas + 172 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03304639"
    }
  ]
}