{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dose+de-escalation+to+gross+disease",
    "query": {
      "intervention": "Dose de-escalation to gross disease"
    },
    "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": "2026-11-07T13:34:21.385Z",
  "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": "NCT05894083",
      "title": "A Phase II Study for p16+ Oropharyngeal Cancer PerSonalized De-escalation Treatment at University of MIchigan (CuSToMIze)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Oropharyngeal Cancer",
        "Squamous Cell Carcinoma of the Oropharynx"
      ],
      "interventions": [
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Chemoradiation",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Observation",
          "type": "OTHER"
        },
        {
          "name": "Post-operative radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "COMBINATION_PRODUCT",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "University of Michigan Rogel 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": 150,
      "start_date": "2023-04-27",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-11-07T13:34:21.385Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05894083"
    },
    {
      "nct_id": "NCT06902623",
      "title": "Treatment De-Escalation for Favorable Prognosis Human Papilloma Virus (HPV) or p16-Positive Oropharyngeal Cancer Receiving Definitive Radiotherapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oropharyngeal Cancers",
        "HPV",
        "Tonsil Cancer",
        "Base of Tongue Cancer"
      ],
      "interventions": [
        {
          "name": "Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Georgetown University",
      "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": "2019-08-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-11-07T13:34:21.385Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Clinton, Maryland",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Clinton",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06902623"
    },
    {
      "nct_id": "NCT07418034",
      "title": "A Single Arm Phase II Trial in p16-positive Oropharynx Cancer of Selective Dose De-escalation of nodAl VolumEs at Minimal Risk and Primary Site Disease (SAVED)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Cancer",
        "Head and Neck Squamous Cell Cancer",
        "Head and Neck Squamous Cell Carcinoma",
        "Oropharyngeal Carcinoma",
        "Oropharyngeal Squamous Cell Carcinoma (OPSCC)",
        "Oropharyngeal Human Papillomavirus-Positive Squamous Cell Carcinoma",
        "Oropharyngeal Squamous Cell Carcinoma",
        "Oropharyngeal Squamous Cell Carcinoma (SCC)",
        "Oropharyngeal Squamous Cell Carcinoma (OPSCCA)",
        "Oropharyngeal Cancer",
        "Oropharyngeal Squamous Cell Cancer",
        "HPV Positive Oropharyngeal Squamous Cell Carcinoma",
        "HPV (Human Papillomavirus)-Associated Carcinoma",
        "HPV 16 Positive Oropharyngeal Tumors (OPC)"
      ],
      "interventions": [
        {
          "name": "Dose de-escalation to contralateral neck.",
          "type": "RADIATION"
        },
        {
          "name": "Dose de-escalation to gross disease to contralateral neck",
          "type": "RADIATION"
        },
        {
          "name": "Dose de-escalation to gross disease",
          "type": "RADIATION"
        },
        {
          "name": "Circulating Tumor DNA test (ctDNA test)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 132,
      "start_date": "2026-10-19",
      "completion_date": "2033-05",
      "has_results": false,
      "last_update_posted_date": "2026-11-06",
      "last_synced_at": "2026-11-07T13:34:21.385Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • Columbia, Maryland • Glen Burnie, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Columbia",
          "state": "Maryland"
        },
        {
          "city": "Glen Burnie",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07418034"
    },
    {
      "nct_id": "NCT03323463",
      "title": "Major De-escalation to 30 Gy for Select Human Papillomavirus Associated Oropharyngeal Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HPV-Associated Oropharyngeal Squamous Cell Carcinoma",
        "Squamous Cell Carcinoma of the Neck"
      ],
      "interventions": [
        {
          "name": "F-FMISO PET/CT Scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "30 Gy over 3 weeks",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "5Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Proton Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "RADIATION",
        "DRUG"
      ],
      "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": 316,
      "start_date": "2017-10-16",
      "completion_date": "2026-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-11-07T13:34:21.385Z",
      "location_count": 10,
      "location_summary": "Hartford, Connecticut • Miami, Florida • Basking Ridge, New Jersey + 7 more",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03323463"
    },
    {
      "nct_id": "NCT05603910",
      "title": "Phase 1 Clinical Trial of Lenvatinib, Pembrolizumab and Hypofractionated Pelvic Radiation Therapy for pMMR Recurrent/Unresectable Endometrial Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Recurrent Endometrial Carcinoma",
        "Unresectable Endometrial Carcinoma"
      ],
      "interventions": [
        {
          "name": "Lenvatinib",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "DRUG"
        },
        {
          "name": "Hypofractionated External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "High-Dose Rate (HDR) Brachytherapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Aaron Wolfson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2023-04-15",
      "completion_date": "2034-04-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-11-07T13:34:21.385Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05603910"
    }
  ]
}