{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton&page=22",
    "query": {
      "intervention": "Proton",
      "page": 22
    },
    "page_size": 10
  },
  "pagination": {
    "page": 22,
    "page_size": 10,
    "total_count": 868,
    "total_pages": 87,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton&page=23&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton&page=21&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-26T07:45:11.713Z",
  "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": "NCT01821729",
      "title": "Radiation w/FOLFIRINOX-Losartan for Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "FOLFIRINOX",
          "type": "DRUG"
        },
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Proton Beam Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2013-08-16",
      "completion_date": "2022-05-11",
      "has_results": true,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-10-26T07:45:11.713Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01821729"
    },
    {
      "nct_id": "NCT00701259",
      "title": "Efficacy/Safety of Lansoprazole in Patients With Frequent Nighttime Heartburn",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Frequent Heartburn"
      ],
      "interventions": [
        {
          "name": "Lansoprazole",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 852,
      "start_date": "2007-01",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2010-01-15",
      "last_synced_at": "2026-10-26T07:45:11.713Z",
      "location_count": 1,
      "location_summary": "Parsippany, New Jersey",
      "locations": [
        {
          "city": "Parsippany",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00701259"
    },
    {
      "nct_id": "NCT00002703",
      "title": "Radiation Therapy in Treating Patients With Stage I or Stage II Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "high-LET heavy ion therapy",
          "type": "RADIATION"
        },
        {
          "name": "low-LET photon therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Proton Radiation Oncology Group",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 390,
      "start_date": "1996-01",
      "completion_date": "2005-09",
      "has_results": false,
      "last_update_posted_date": "2013-11-06",
      "last_synced_at": "2026-10-26T07:45:11.713Z",
      "location_count": 2,
      "location_summary": "Loma Linda, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002703"
    },
    {
      "nct_id": "NCT00499135",
      "title": "Sunitinib Malate in Treating Patients With Unresectable or Metastatic Kidney Cancer or Other Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Adult Solid Neoplasm",
        "Clear Cell Renal Cell Carcinoma",
        "Recurrent Renal Cell Carcinoma",
        "Stage III Renal Cell Cancer",
        "Stage IV Renal Cell Cancer"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "OTHER"
        },
        {
          "name": "Fluorothymidine F-18",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Pharmacological Study",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "OTHER"
        },
        {
          "name": "Sunitinib Malate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2007-05-22",
      "completion_date": "2014-05-14",
      "has_results": false,
      "last_update_posted_date": "2017-10-10",
      "last_synced_at": "2026-10-26T07:45:11.713Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00499135"
    },
    {
      "nct_id": "NCT05627635",
      "title": "FOLFOX and Bevacizumab in Combination With Botensilimab and Balstilimab (3B-FOLFOX) for the Treatment of Microsatellite Stable (MSS) Metastatic Colorectal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Colon Adenocarcinoma",
        "Metastatic Colorectal Adenocarcinoma",
        "Metastatic Microsatellite Stable Colorectal Carcinoma",
        "Metastatic Rectal Adenocarcinoma",
        "Stage IV Colon Cancer AJCC v8",
        "Stage IV Colorectal Cancer AJCC v8",
        "Stage IV Rectal Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Balstilimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Botensilimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2023-05-03",
      "completion_date": "2027-06-16",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-10-26T07:45:11.713Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05627635"
    },
    {
      "nct_id": "NCT06470243",
      "title": "Testing Whether the Addition of Carboplatin Chemotherapy to Cabazitaxel Chemotherapy Will Improve Outcomes Compared to Cabazitaxel Alone in People With Castrate-Resistant Prostate Cancer That Has Spread Beyond the Prostate to Other Parts of the Body",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Castration-Resistant Prostate Carcinoma",
        "Stage IVB Prostate Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Scan",
          "type": "PROCEDURE"
        },
        {
          "name": "Cabazitaxel",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Chest Radiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "SWOG Cancer Research Network",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 528,
      "start_date": "2024-11-27",
      "completion_date": "2034-04",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-10-26T07:45:11.713Z",
      "location_count": 174,
      "location_summary": "Fayetteville, Arkansas • Rogers, Arkansas • Springdale, Arkansas + 129 more",
      "locations": [
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "Rogers",
          "state": "Arkansas"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Lewes",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06470243"
    },
    {
      "nct_id": "NCT05319899",
      "title": "A Study of ALXN1840 (Non-coated) Administered With And Without Omeprazole In Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "ALXN1840",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "19 Years to 55 Years"
      },
      "enrollment_count": 18,
      "start_date": "2014-01-20",
      "completion_date": "2014-03-24",
      "has_results": true,
      "last_update_posted_date": "2023-08-01",
      "last_synced_at": "2026-10-26T07:45:11.713Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05319899"
    },
    {
      "nct_id": "NCT04927663",
      "title": "11C-YJH08 PET Imaging for Detection of Glucocorticoid Receptor Expression",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Castration-Resistant Prostate Carcinoma",
        "Metastatic Prostate Carcinoma",
        "Stage IV Prostate Cancer AJCC v8",
        "Stage IVA Prostate Cancer AJCC v8",
        "Stage IVB Prostate Cancer AJCC v8",
        "Solid Tumor, Adult",
        "Solid Tumor",
        "Metastatic Castration-resistant Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "11C-YJH08",
          "type": "DRUG"
        },
        {
          "name": "Optional Tumor Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Rahul Aggarwal",
      "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": 2,
      "start_date": "2021-08-10",
      "completion_date": "2025-02-28",
      "has_results": true,
      "last_update_posted_date": "2025-05-20",
      "last_synced_at": "2026-10-26T07:45:11.713Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04927663"
    },
    {
      "nct_id": "NCT07076485",
      "title": "Shortening Adjuvant Photon and Proton Irradiation (SAPPHIRe-II): A 4 Cohort, Randomized, Phase II Multi-center Trial Evaluating Shorter Schedules of Adjuvant Regional Nodal Irradiation Among Women and Men With Node-positive and High-risk Node-negative Invasive Breast Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Ultrahypofractionated Radiation",
          "type": "RADIATION"
        },
        {
          "name": "Moderately Hypofractionated Radiation",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "M.D. Anderson 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": 768,
      "start_date": "2025-08-19",
      "completion_date": "2031-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-02",
      "last_synced_at": "2026-10-26T07:45:11.713Z",
      "location_count": 5,
      "location_summary": "Loveland, Colorado • Jacksonville, Florida • Voorhees Township, New Jersey + 2 more",
      "locations": [
        {
          "city": "Loveland",
          "state": "Colorado"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Voorhees Township",
          "state": "New Jersey"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07076485"
    },
    {
      "nct_id": "NCT00847808",
      "title": "Efficacy of Dexlansoprazole MR on Heartburn Control in Participants Previously Receiving Twice Daily Proton Pump Inhibitor Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gastroesophageal Reflux"
      ],
      "interventions": [
        {
          "name": "Dexlansoprazole MR QD",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Takeda",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 178,
      "start_date": "2009-02",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2012-02-03",
      "last_synced_at": "2026-10-26T07:45:11.713Z",
      "location_count": 52,
      "location_summary": "Hueytown, Alabama • Chandler, Arizona • Sierra Vista, Arizona + 49 more",
      "locations": [
        {
          "city": "Hueytown",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Sierra Vista",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Sherman",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00847808"
    }
  ]
}