{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=PBT",
    "query": {
      "condition": "PBT"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=PBT&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T11:07:55.591Z",
  "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": "NCT00814073",
      "title": "Masitinib in Severe Indolent or Smoldering Systemic Mastocytosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Indolent Systemic Mastocytosis"
      ],
      "interventions": [
        {
          "name": "Masitinib",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Best Supportive Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "AB Science",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 135,
      "start_date": "2008-12",
      "completion_date": "2015-11",
      "has_results": false,
      "last_update_posted_date": "2019-12-03",
      "last_synced_at": "2026-06-10T11:07:55.591Z",
      "location_count": 2,
      "location_summary": "Sacramento, California • Houston, Texas",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00814073"
    },
    {
      "nct_id": "NCT04301089",
      "title": "Immersive Virtual Reality (VR) at the Time of Clinical Evaluation to Improve Psychological Distress and Anxiety in Primary Brain Tumor (PBT) Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "Pico G2 4K Headset with Applied VR software",
          "type": "DEVICE"
        },
        {
          "name": "Patient Reported Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Saliva sample collection (hormones)",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "BIOLOGICAL"
      ],
      "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": 61,
      "start_date": "2021-03-18",
      "completion_date": "2025-02-04",
      "has_results": true,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-06-10T11:07:55.591Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04301089"
    },
    {
      "nct_id": "NCT04919993",
      "title": "CBT for Insomnia in Primary Brain Tumor Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Brain Tumor",
        "PBT"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy-Insomnia",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2021-06-01",
      "completion_date": "2022-08-15",
      "has_results": false,
      "last_update_posted_date": "2023-01-13",
      "last_synced_at": "2026-06-10T11:07:55.591Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04919993"
    },
    {
      "nct_id": "NCT01735955",
      "title": "Study to Allow Access to Nilotinib for Patients Who Are on Nilotinib Treatment in a Novartis-sponsored Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Myelogenous Leukemia (CML)",
        "Metastatic Gastrointestinal Stromal Tumors (GIST)",
        "Acute Lymphoblastic Leukemia (ALL)",
        "Receptor Tyrosine Kinase (KIT) Mutated Melanoma"
      ],
      "interventions": [
        {
          "name": "Nilotinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 57,
      "start_date": "2013-03-29",
      "completion_date": "2023-07-07",
      "has_results": true,
      "last_update_posted_date": "2024-02-08",
      "last_synced_at": "2026-06-10T11:07:55.591Z",
      "location_count": 2,
      "location_summary": "Albany, New York • Houston, Texas",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01735955"
    },
    {
      "nct_id": "NCT03801876",
      "title": "Comparing Proton Therapy to Photon Radiation Therapy for Esophageal Cancer",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Clinical Stage I Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage I Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage I Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage II Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage II Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage II Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage III Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage IVA Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Thoracic Esophagus Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Capecitabine",
          "type": "DRUG"
        },
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Docetaxel",
          "type": "DRUG"
        },
        {
          "name": "Esophagectomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Intensity-Modulated Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Proton Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "RADIATION",
        "OTHER"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2019-06-26",
      "completion_date": "2031-12-21",
      "has_results": false,
      "last_update_posted_date": "2026-05-07",
      "last_synced_at": "2026-06-10T11:07:55.591Z",
      "location_count": 95,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 76 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Deerfield Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03801876"
    },
    {
      "nct_id": "NCT02272998",
      "title": "Ponatinib for Patients Whose Advanced Solid Tumor Cancer Has Activating Mutations Involving the Following Genes: FGFR1, FGFR2, FGFR3, FGFR4, RET, KIT.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "ponatinib hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Sameek Roychowdhury",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2015-02-24",
      "completion_date": "2022-11-17",
      "has_results": true,
      "last_update_posted_date": "2025-03-24",
      "last_synced_at": "2026-06-10T11:07:55.591Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Columbus, Ohio",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02272998"
    },
    {
      "nct_id": "NCT00876499",
      "title": "Fatigue, Sleep and Cytokines in Primary Brain Tumor (PBT) Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brain Cancer"
      ],
      "interventions": [
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "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": 20,
      "start_date": "2009-01",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2015-01-09",
      "last_synced_at": "2026-06-10T11:07:55.591Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00876499"
    },
    {
      "nct_id": "NCT00336076",
      "title": "Molecular Mechanisms and Diagnosis of Mastocytosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mastocytosis"
      ],
      "interventions": [
        {
          "name": "Collection of blood and bone marrow",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 136,
      "start_date": "2004-07",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2016-11-07",
      "last_synced_at": "2026-06-10T11:07:55.591Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00336076"
    },
    {
      "nct_id": "NCT00237185",
      "title": "A Study of the Efficacy and Safety of Imatinib Mesylate in Patients With Unresectable or Metastatic Gastrointestinal Stromal Tumors Expressing C-kit Gene",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Unresectable or Metastatic Malignant Gastrointestinal Stromal Tumor (GIST)"
      ],
      "interventions": [
        {
          "name": "Imatinib mesylate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 148,
      "start_date": "2000-06",
      "completion_date": "2013-06",
      "has_results": true,
      "last_update_posted_date": "2014-08-19",
      "last_synced_at": "2026-06-10T11:07:55.591Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Portland, Oregon • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00237185"
    },
    {
      "nct_id": "NCT01808677",
      "title": "Registry Study of Thoracic Reirradiation for Non-Small Cell Lung Cancer (NSCLC) Utilizing Proton Beam Therapy or Intensity Modulated Radiation Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Thoracic Reirradiation Registry",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 49,
      "start_date": "2012-06",
      "completion_date": "2016-08",
      "has_results": false,
      "last_update_posted_date": "2016-08-24",
      "last_synced_at": "2026-06-10T11:07:55.591Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01808677"
    }
  ]
}