{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?nctId=NCT03420963",
    "query": {
      "nctId": "NCT03420963"
    },
    "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": "2026-09-09T23:06:52.776Z",
  "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": "NCT03420963",
      "title": "Donor Natural Killer Cells, Cyclophosphamide, and Etoposide in Treating Children and Young Adults With Relapsed or Refractory Solid Tumors",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Cutaneous Melanoma",
        "Recurrent Lip and Oral Cavity Carcinoma",
        "Recurrent Malignant Endocrine Neoplasm",
        "Recurrent Malignant Female Reproductive System Neoplasm",
        "Recurrent Malignant Male Reproductive System Neoplasm",
        "Recurrent Malignant Mesothelioma",
        "Recurrent Malignant Neoplasm of Multiple Primary Sites",
        "Recurrent Malignant Oral Neoplasm",
        "Recurrent Malignant Pharyngeal Neoplasm",
        "Recurrent Malignant Skin Neoplasm",
        "Recurrent Malignant Soft Tissue Neoplasm",
        "Recurrent Malignant Solid Neoplasm",
        "Recurrent Malignant Thyroid Gland Neoplasm",
        "Recurrent Malignant Urinary System Neoplasm",
        "Refractory Cutaneous Melanoma",
        "Refractory Malignant Bone Neoplasm",
        "Refractory Malignant Endocrine Neoplasm",
        "Refractory Malignant Female Reproductive System Neoplasm",
        "Refractory Malignant Male Reproductive System Neoplasm",
        "Refractory Malignant Mesothelioma",
        "Refractory Malignant Neoplasm of Multiple Primary Sites",
        "Refractory Malignant Oral Neoplasm",
        "Refractory Malignant Pharyngeal Neoplasm",
        "Refractory Malignant Skin Neoplasm",
        "Refractory Malignant Soft Tissue Neoplasm",
        "Refractory Malignant Solid Neoplasm",
        "Refractory Malignant Thyroid Gland Neoplasm",
        "Refractory Malignant Urinary System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Cord Blood-derived Expanded Allogeneic Natural Killer Cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "12 Months to 40 Years"
      },
      "enrollment_count": 12,
      "start_date": "2018-08-31",
      "completion_date": "2026-02-26",
      "has_results": false,
      "last_update_posted_date": "2026-03-20",
      "last_synced_at": "2026-09-09T23:06:52.776Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03420963"
    }
  ]
}