{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+Arm+1%3A+Standard+Proton+Therapy&page=2",
    "query": {
      "intervention": "Proton Arm 1: Standard Proton Therapy",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 35,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+Arm+1%3A+Standard+Proton+Therapy&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+Arm+1%3A+Standard+Proton+Therapy&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-09T04:52:43.309Z",
  "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": "NCT04166318",
      "title": "Lower-Dose Chemoradiation in Treating Patients With Early-Stage Anal Cancer, the DECREASE Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anal Basaloid Carcinoma",
        "Anal Canal Cloacogenic Carcinoma",
        "Anal Canal Squamous Cell Carcinoma",
        "Anal Margin Squamous Cell Carcinoma",
        "Stage I Anal Cancer AJCC v8",
        "Stage IIA Anal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "OTHER"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Mitomycin",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "ECOG-ACRIN Cancer Research Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 252,
      "start_date": "2020-01-02",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-10-09T04:52:43.309Z",
      "location_count": 659,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 438 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04166318"
    },
    {
      "nct_id": "NCT04019002",
      "title": "Hyperpolarized Carbon-13 (13C) Pyruvate Imaging in Patients With Glioblastoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Glioblastoma Multiforme (GBM)"
      ],
      "interventions": [
        {
          "name": "Hyperpolarized 13C Pyruvate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Susan Chang",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2019-11-19",
      "completion_date": "2025-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-10-09T04:52:43.309Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04019002"
    },
    {
      "nct_id": "NCT00963807",
      "title": "A Comparison of FLT to FDG PET/CT in the Early Assessment of Chemotherapy Response in Stage IB-IIIA Resectable NSCLC",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Non-Small Cell Lung Carcinoma",
        "Stage IB Non-Small Cell Lung Carcinoma",
        "Stage IIA Non-Small Cell Lung Carcinoma",
        "Stage IIB Non-Small Cell Lung Carcinoma",
        "Stage IIIA Non-Small Cell Lung Cancer",
        "Stage IV Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "CT",
          "type": "PROCEDURE"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "FDG",
          "type": "DRUG"
        },
        {
          "name": "FLT",
          "type": "DRUG"
        },
        {
          "name": "PET/CT",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2009-09",
      "completion_date": "2014-11",
      "has_results": true,
      "last_update_posted_date": "2017-03-17",
      "last_synced_at": "2026-10-09T04:52:43.309Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Columbus, Ohio",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00963807"
    },
    {
      "nct_id": "NCT06499870",
      "title": "Relugolix and Enzalutamide in Combination With Radiation Therapy for the Treatment of Very High Risk Prostate Cancer, OPTIMAL Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Prostate Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Enzalutamide",
          "type": "DRUG"
        },
        {
          "name": "Fluorine F 18 Piflufolastat",
          "type": "OTHER"
        },
        {
          "name": "Image Guided Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Relugolix",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "Sean Sachdev",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 50,
      "start_date": "2024-09-06",
      "completion_date": "2032-11-19",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-10-09T04:52:43.309Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06499870"
    },
    {
      "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": "2026-10-09T04:52:43.309Z",
      "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": "NCT03215719",
      "title": "Adaptive Treatment De-escalation in Favorable Risk HPV-Positive Oropharyngeal Carcinoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Oropharyngeal Carcinoma",
        "HPV Positive Oropharyngeal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Standard Radiation Treatment",
          "type": "RADIATION"
        },
        {
          "name": "Dose-Deescalated Treatment",
          "type": "RADIATION"
        },
        {
          "name": "Cisplatinum",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2017-10-18",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-10-09T04:52:43.309Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03215719"
    },
    {
      "nct_id": "NCT07415681",
      "title": "GCCC 2578 Randomized Photon vs Proton RT for Newly Diagnosed Gynecologic Primaries",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gynaecologic Cancer",
        "Cervical Cancer",
        "Radiation Therapy"
      ],
      "interventions": [
        {
          "name": "Volume Modulated Arc Therapy (VMAT)",
          "type": "RADIATION"
        },
        {
          "name": "Intensity Modulated Proton Therapy (IMPT)",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "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": 116,
      "start_date": "2026-03-25",
      "completion_date": "2033-12",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-09T04:52:43.309Z",
      "location_count": 5,
      "location_summary": "Baltimore, Maryland • Bel Air, Maryland • Columbia, Maryland + 1 more",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Bel Air",
          "state": "Maryland"
        },
        {
          "city": "Columbia",
          "state": "Maryland"
        },
        {
          "city": "Glen Burnie",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07415681"
    },
    {
      "nct_id": "NCT02432456",
      "title": "Ketamine Infusion Therapy for the Management of Acute Pain in Adult Rib Fracture Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Wounds and Injuries",
        "Rib Fractures"
      ],
      "interventions": [
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Intercostal Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Ibuprofen",
          "type": "DRUG"
        },
        {
          "name": "Pantoprazole",
          "type": "DRUG"
        },
        {
          "name": "Methocarbamol",
          "type": "DRUG"
        },
        {
          "name": "Opioid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 153,
      "start_date": "2015-09",
      "completion_date": "2018-08",
      "has_results": true,
      "last_update_posted_date": "2020-02-05",
      "last_synced_at": "2026-10-09T04:52:43.309Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02432456"
    },
    {
      "nct_id": "NCT07783581",
      "title": "Proton Spatially Fractionated Radiotherapy or Photon Stereotactic Body Radiotherapy in Combination With Pembrolizumab Before Surgery for the Treatment of Locally Advanced and Radiation-Naive Locoregionally Recurrent Oral Cavity Cancer, OSPRI Trial",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Locally Advanced Oral Cavity Squamous Cell Carcinoma",
        "Locally Recurrent Oral Cavity Squamous Cell Carcinoma",
        "Oral Cavity Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Photon Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Spatially-fractionated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Surgical Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "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": "2026-09-07",
      "completion_date": "2030-04-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-09T04:52:43.309Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07783581"
    },
    {
      "nct_id": "NCT01878617",
      "title": "A Clinical and Molecular Risk-Directed Therapy for Newly Diagnosed Medulloblastoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Medulloblastoma"
      ],
      "interventions": [
        {
          "name": "Craniospinal Irradiation with boost to the primary tumor site",
          "type": "RADIATION"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Vismodegib",
          "type": "DRUG"
        },
        {
          "name": "Pemetrexed",
          "type": "DRUG"
        },
        {
          "name": "Gemcitabine",
          "type": "DRUG"
        },
        {
          "name": "Aerobic Training",
          "type": "OTHER"
        },
        {
          "name": "Neurocognitive Remediation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "3 Years to 39 Years"
      },
      "enrollment_count": 660,
      "start_date": "2013-06-23",
      "completion_date": "2031-10-13",
      "has_results": false,
      "last_update_posted_date": "2025-11-13",
      "last_synced_at": "2026-10-09T04:52:43.309Z",
      "location_count": 14,
      "location_summary": "Palo Alto, California • San Diego, California • New Haven, Connecticut + 11 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01878617"
    }
  ]
}