{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Quad+shot+radiation",
    "query": {
      "intervention": "Quad shot radiation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-14T10:39:48.963Z",
  "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": "NCT04454489",
      "title": "Quad Shot Radiotherapy in Combination With Immune Checkpoint Inhibition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Head and Neck Squamous Cell Carcinoma",
        "Recurrent Head and Neck Squamous Cell Carcinoma",
        "Metastatic Head-and-neck Squamous-cell Carcinoma",
        "Stage III Cutaneous Squamous Cell Carcinoma of the Head and Neck",
        "Locally Advanced Head and Neck Squamous Cell Carcinoma",
        "Stage IV Cutaneous Squamous Cell Carcinoma of the Head and Neck"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab (immunotherapy)",
          "type": "DRUG"
        },
        {
          "name": "Quad-shot palliative radiotherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2021-02-25",
      "completion_date": "2025-04-30",
      "has_results": true,
      "last_update_posted_date": "2025-11-19",
      "last_synced_at": "2026-09-14T10:39:48.963Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04454489"
    },
    {
      "nct_id": "NCT03217188",
      "title": "Proton Re-Irradiation for Recurrent Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "conventionally fractionated full dose re-irradiation",
          "type": "RADIATION"
        },
        {
          "name": "hypofractionated palliative re-irradiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 87,
      "start_date": "2017-07-10",
      "completion_date": "2026-03-18",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-09-14T10:39:48.963Z",
      "location_count": 9,
      "location_summary": "Miami, Florida • Basking Ridge, New Jersey • Middletown, New Jersey + 6 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03217188"
    },
    {
      "nct_id": "NCT04373642",
      "title": "\"QUAD SHOT\" Radiotherapy With Pembrolizumab in Patients With Recurrent Head & Neck Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Pebrolizumab + QUADSHOT Radiotherapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2020-12-23",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-05-11",
      "last_synced_at": "2026-09-14T10:39:48.963Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04373642"
    },
    {
      "nct_id": "NCT04384146",
      "title": "Radiation Therapy to Relieve Symptoms in Patients With Advanced Non-Small Cell Lung Cancer (NSCLC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Cyclical Hypofractionated Palliative Radiation (Quad Shot)",
          "type": "RADIATION"
        },
        {
          "name": "EORTC QLQ-C30 questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2020-05-07",
      "completion_date": "2026-02-05",
      "has_results": false,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-09-14T10:39:48.963Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04384146"
    },
    {
      "nct_id": "NCT04379505",
      "title": "Palliative Expeditiously Adaptive Quad Shot Radiation Therapy (PEAQ-RT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Ring gantry kV-CBCT combined with linear accelerator (Halcyon)",
          "type": "DEVICE"
        },
        {
          "name": "Quad shot radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "RADIATION"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2020-10-01",
      "completion_date": "2023-12-05",
      "has_results": false,
      "last_update_posted_date": "2023-12-08",
      "last_synced_at": "2026-09-14T10:39:48.963Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04379505"
    }
  ]
}