{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?nctId=NCT04670445",
    "query": {
      "nctId": "NCT04670445"
    },
    "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": "2026-09-16T16:12:43.786Z",
  "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": "NCT04670445",
      "title": "Improving Patient and Caregiver Understanding of Risks and Benefits of Immunotherapy for Advanced Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage IV Melanoma",
        "Advanced Lung Cancer",
        "Stage IV Non-Small Cell Lung Cancer",
        "Unresectable Non-Small Cell Lung Carcinoma",
        "Unresectable Stage III Non-Small Cell Lung Cancer",
        "Small Cell Lung Cancer Extensive Stage",
        "Stage IV Merkel Cell Carcinoma",
        "Stage IV Cutaneous Squamous Cell Carcinoma",
        "Stage IV Basal Cell Carcinoma",
        "Stage IV Breast Cancer",
        "Stage IV Colorectal Cancer",
        "Stage IV Gastric Cancer",
        "Stage IV Esophageal Cancer",
        "Stage IV Hepatocellular Cancer",
        "Stage IV Renal Cell Carcinoma",
        "Stage IV Bladder Cancer",
        "Stage IV Head and Neck Squamous Cell Carcinoma",
        "Stage IV Cervical Cancer",
        "Stage IV Endometrial Cancer",
        "Stage IV Mesothelioma",
        "Immunotherapy",
        "Immune Checkpoint Inhibitors"
      ],
      "interventions": [
        {
          "name": "Educational Video and QPL List",
          "type": "OTHER"
        },
        {
          "name": "Usual Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 199,
      "start_date": "2021-01-23",
      "completion_date": "2024-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-16T16:12:43.786Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04670445"
    }
  ]
}