{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+Therapy",
    "query": {
      "intervention": "Proton Therapy"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 858,
    "total_pages": 86,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Proton+Therapy&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T15:27:03.964Z",
  "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": "NCT00586963",
      "title": "Proton Pump Inhibitor (PPI) Therapy for Newly Diagnosed Esophagitis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Erosive Esophagitis",
        "Reflux Esophagitis",
        "GERD"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 65,
      "start_date": "2008-01",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2010-08-23",
      "last_synced_at": "2026-09-03T15:27:03.964Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00586963"
    },
    {
      "nct_id": "NCT05786040",
      "title": "Tafasitamab and Rituximab for Front-Line Treatment of Post-Transplant Lymphoproliferative Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Monomorphic B-Cell Post-Transplant Lymphoproliferative Disorder",
        "Polymorphic Post-Transplant Lymphoproliferative Disorder"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tafasitamab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Timothy Voorhees",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2023-03-23",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-09-03T15:27:03.964Z",
      "location_count": 4,
      "location_summary": "New Brunswick, New Jersey • Hillsborough, North Carolina • Columbus, Ohio + 1 more",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        },
        {
          "city": "Hillsborough",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05786040"
    },
    {
      "nct_id": "NCT06238648",
      "title": "Epcoritamab Compared to Observation for Treating B-cell Lymphoma Patients Not in Complete Remission After CD19-directed CAR-T Therapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Diffuse Large B-Cell Lymphoma, Not Otherwise Specified",
        "Primary Mediastinal Large B-Cell Lymphoma",
        "Transformed Indolent B-Cell Non-Hodgkin Lymphoma to Diffuse Large B-Cell Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Epcoritamab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Academic and Community Cancer Research United",
      "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": "2024-01-31",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-09-26",
      "last_synced_at": "2026-09-03T15:27:03.964Z",
      "location_count": 6,
      "location_summary": "Rochester, Minnesota • St Louis, Missouri • Hackensack, New Jersey + 3 more",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06238648"
    },
    {
      "nct_id": "NCT03100838",
      "title": "Drug Interaction With Proton Pump Inhibitors for Nifedipine ER Tablets",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Nifedipine 60 MG Extended Release Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "omeprazole/sodium bicarbonate",
          "type": "DRUG"
        },
        {
          "name": "SmartPill (TM)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Food and Drug Administration (FDA)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 64,
      "start_date": "2017-03-20",
      "completion_date": "2018-04-06",
      "has_results": true,
      "last_update_posted_date": "2019-08-16",
      "last_synced_at": "2026-09-03T15:27:03.964Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03100838"
    },
    {
      "nct_id": "NCT03980535",
      "title": "New Magnetic Resonance Imaging and Spectroscopy Software in the Improvement of Image Quality",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Spectroscopic Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 273,
      "start_date": "2012-04-16",
      "completion_date": "2022-09-21",
      "has_results": false,
      "last_update_posted_date": "2022-10-28",
      "last_synced_at": "2026-09-03T15:27:03.964Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03980535"
    },
    {
      "nct_id": "NCT05937776",
      "title": "Developing a New Metabolic Imaging Approach (aMRI) for Evaluating Neurological Disease in Patients With Gliomas",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Glioma"
      ],
      "interventions": [
        {
          "name": "Fludeoxyglucose F-18",
          "type": "OTHER"
        },
        {
          "name": "Gadoterate Meglumine",
          "type": "OTHER"
        },
        {
          "name": "Contrast-enhanced Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2023-12-11",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-03T15:27:03.964Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05937776"
    },
    {
      "nct_id": "NCT01040624",
      "title": "Docetaxel, Androgen Deprivation and Proton Therapy for High Risk Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "> 15% risk of + LN",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Florida",
      "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": 77,
      "start_date": "2009-12",
      "completion_date": "2022-04-11",
      "has_results": true,
      "last_update_posted_date": "2023-10-03",
      "last_synced_at": "2026-09-03T15:27:03.964Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01040624"
    },
    {
      "nct_id": "NCT05799105",
      "title": "OPEN Versus InTact Capsule Proton Pump Inhibitors for the Treatment of Marginal Ulcers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Marginal Ulcer"
      ],
      "interventions": [
        {
          "name": "Omeprazole 40 milligrams",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stephen Firkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 122,
      "start_date": "2023-03-14",
      "completion_date": "2027-03-23",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-09-03T15:27:03.964Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05799105"
    },
    {
      "nct_id": "NCT04213794",
      "title": "Heated Intra-peritoneal Chemotherapy With Doxorubicin and Cisplatin for Abdominal for Pelvic Tumors in Pediatric Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Malignant Abdominal Neoplasm",
        "Malignant Pelvic Neoplasm",
        "Recurrent Colon Carcinoma",
        "Recurrent Desmoplastic Small Round Cell Tumor",
        "Recurrent Fallopian Tube Carcinoma",
        "Recurrent Gastric Carcinoma",
        "Recurrent Liposarcoma",
        "Recurrent Malignant Mesothelioma",
        "Recurrent Ovarian Carcinoma",
        "Recurrent Primary Peritoneal Carcinoma",
        "Recurrent Rectal Carcinoma",
        "Recurrent Rhabdomyosarcoma",
        "Recurrent Sarcoma",
        "Refractory Colon Carcinoma",
        "Refractory Desmoplastic Small Round Cell Tumor",
        "Refractory Fallopian Tube Carcinoma",
        "Refractory Gastric Carcinoma",
        "Refractory Liposarcoma",
        "Refractory Malignant Mesothelioma",
        "Refractory Ovarian Carcinoma",
        "Refractory Primary Peritoneal Carcinoma",
        "Refractory Rectal Carcinoma",
        "Refractory Rhabdomyosarcoma",
        "Refractory Sarcoma",
        "Resectable Liposarcoma",
        "Resectable Malignant Mesothelioma",
        "Resectable Sarcoma"
      ],
      "interventions": [
        {
          "name": "Cisplatin",
          "type": "DRUG"
        },
        {
          "name": "Cytoreductive Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Hyperthermic Intraperitoneal Chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "Sodium Thiosulfate",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "1 Year to 25 Years"
      },
      "enrollment_count": 2,
      "start_date": "2019-11-08",
      "completion_date": "2024-10-03",
      "has_results": false,
      "last_update_posted_date": "2025-02-20",
      "last_synced_at": "2026-09-03T15:27:03.964Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04213794"
    },
    {
      "nct_id": "NCT03990597",
      "title": "StrataXRT in Preventing Radiation Dermatitis in Pediatric Patients Undergoing Radiation Therapy to the Brain or Spinal Cord",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Central Nervous System Sarcoma",
        "Ependymoma",
        "Glioma",
        "Malignant Intracranial Germ Cell Tumor",
        "Medulloblastoma",
        "Pineoblastoma",
        "Primary Central Nervous System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Placebo Administration",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Wound Dressing Material",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-08-19",
      "completion_date": "2020-11-24",
      "has_results": false,
      "last_update_posted_date": "2024-10-09",
      "last_synced_at": "2026-09-03T15:27:03.964Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03990597"
    }
  ]
}