{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Systemic+Mastocytosis%2C+Aggressive+%28ASM%29",
    "query": {
      "condition": "Systemic Mastocytosis, Aggressive (ASM)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Systemic+Mastocytosis%2C+Aggressive+%28ASM%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-21T23:49:26.829Z",
  "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": "NCT03214666",
      "title": "GTB-3550 Tri-Specific Killer Engager (TriKE®) for High Risk Hematological Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "High-risk Myelodysplastic Syndromes",
        "Acute Myelogenous Leukemia",
        "Systemic Mastocytosis",
        "Mast Cell Leukemia"
      ],
      "interventions": [
        {
          "name": "GTB-3550 TriKE® Phase I",
          "type": "DRUG"
        },
        {
          "name": "GTB-3550 TriKE® Phase II",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GT Biopharma, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2020-01-01",
      "completion_date": "2021-09-29",
      "has_results": true,
      "last_update_posted_date": "2022-11-10",
      "last_synced_at": "2026-05-21T23:49:26.829Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Madison, Wisconsin",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03214666"
    },
    {
      "nct_id": "NCT00233454",
      "title": "Phase 2 Midostaurin in Aggressive Systemic Mastocytosis and Mast Cell Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Systemic Mastocytosis, Aggressive (ASM)",
        "Leukemia, Mast Cell",
        "Hematological Non-mast Cell Lineage Disease (AHNMD)"
      ],
      "interventions": [
        {
          "name": "Midostaurin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jason Robert Gotlib",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2005-03",
      "completion_date": "2011-04-16",
      "has_results": true,
      "last_update_posted_date": "2018-09-20",
      "last_synced_at": "2026-05-21T23:49:26.829Z",
      "location_count": 3,
      "location_summary": "Stanford, California • Boston, Massachusetts • St Louis, Missouri",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00233454"
    },
    {
      "nct_id": "NCT06915766",
      "title": "Expanded Access to Bezuclastinib for Patients With NonAdvanced Systemic Mastocytosis or Advanced Systemic Mastocytosis",
      "overall_status": "AVAILABLE",
      "study_type": "EXPANDED_ACCESS",
      "phases": [],
      "conditions": [
        "Systemic Mastocytoses, Indolent",
        "Systemic Mastocytoses, Aggressive"
      ],
      "interventions": [
        {
          "name": "Bezuclastinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cogent Biosciences, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-05-21T23:49:26.829Z",
      "location_count": 20,
      "location_summary": "La Jolla, California • Los Angeles, California • Normal, Illinois + 14 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Normal",
          "state": "Illinois"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06915766"
    },
    {
      "nct_id": "NCT04996875",
      "title": "(Apex) Bezuclastinib in Patients With Advanced Systemic Mastocytosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Systemic Mastocytosis (AdvSM)",
        "SM With an Associated Hematologic Neoplasm (SM-AHN)",
        "Mast Cell Leukemia (MCL)",
        "Aggressive Systemic Mastocytosis (ASM)"
      ],
      "interventions": [
        {
          "name": "bezuclastinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cogent Biosciences, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2021-11-09",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-05-21T23:49:26.829Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Duarte, California + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04996875"
    },
    {
      "nct_id": "NCT03580655",
      "title": "(PATHFINDER) Study to Evaluate Efficacy and Safety of Avapritinib (BLU-285), A Selective KIT Mutation-targeted Tyrosine Kinase Inhibitor, in Patients With Advanced Systemic Mastocytosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Systemic Mastocytosis",
        "Aggressive Systemic Mastocytosis",
        "Systemic Mastocytosis With an Associated Hematologic Neoplasm",
        "Mast Cell Leukemia"
      ],
      "interventions": [
        {
          "name": "Avapritinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Blueprint Medicines Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2018-11-21",
      "completion_date": "2024-12-18",
      "has_results": true,
      "last_update_posted_date": "2026-04-24",
      "last_synced_at": "2026-05-21T23:49:26.829Z",
      "location_count": 12,
      "location_summary": "Stanford, California • Chicago, Illinois • Westwood, Kansas + 9 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Westwood",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03580655"
    },
    {
      "nct_id": "NCT04695431",
      "title": "Retrospective Study Assessing the Effect of Avapritinib Versus Best Available Therapy in Patients With AdvSM",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Advanced Systemic Mastocytosis",
        "Aggressive Systemic Mastocytosis",
        "Systemic Mastocytosis With an Associated Hematological Neoplasm",
        "Mast Cell Leukemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Blueprint Medicines Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 317,
      "start_date": "2020-12-02",
      "completion_date": "2021-10-04",
      "has_results": false,
      "last_update_posted_date": "2022-01-10",
      "last_synced_at": "2026-05-21T23:49:26.829Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Boston, Massachusetts",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04695431"
    },
    {
      "nct_id": "NCT02415608",
      "title": "Ibrutinib in Treating Patients With Advanced Systemic Mastocytosis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Aggressive Systemic Mastocytosis",
        "Mast Cell Leukemia",
        "Systemic Mastocytosis"
      ],
      "interventions": [
        {
          "name": "Ibrutinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jason Robert Gotlib",
      "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": "2015-03",
      "completion_date": "2017-06-14",
      "has_results": true,
      "last_update_posted_date": "2018-09-20",
      "last_synced_at": "2026-05-21T23:49:26.829Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02415608"
    },
    {
      "nct_id": "NCT02561988",
      "title": "(EXPLORER) Study of BLU-285 in Patients With Advanced Systemic Mastocytosis (AdvSM) and Relapsed or Refractory Myeloid Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Aggressive Systemic Mastocytosis",
        "Systemic Mastocytosis-associated Hematologic Non-mast Cell Disease",
        "Mast Cell Leukemia",
        "Relapsed or Refractory Myeloid Malignancies"
      ],
      "interventions": [
        {
          "name": "Avapritinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Blueprint Medicines Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 86,
      "start_date": "2016-03-10",
      "completion_date": "2023-01-19",
      "has_results": false,
      "last_update_posted_date": "2023-03-17",
      "last_synced_at": "2026-05-21T23:49:26.829Z",
      "location_count": 9,
      "location_summary": "Stanford, California • Denver, Colorado • Atlanta, Georgia + 6 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02561988"
    },
    {
      "nct_id": "NCT01807598",
      "title": "Brentuximab Vedotin in Treating Patients With Advanced Systemic Mastocytosis or Mast Cell Leukemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Aggressive Systemic Mastocytosis",
        "Mast Cell Leukemia",
        "Systemic Mastocytosis"
      ],
      "interventions": [
        {
          "name": "Brentuximab vedotin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jason Robert Gotlib",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2013-09",
      "completion_date": "2017-09",
      "has_results": true,
      "last_update_posted_date": "2019-01-29",
      "last_synced_at": "2026-05-21T23:49:26.829Z",
      "location_count": 2,
      "location_summary": "Stanford, California • Houston, Texas",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01807598"
    },
    {
      "nct_id": "NCT02380222",
      "title": "Patient-Reported Outcome Questionnaire for Systemic Mastocytosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aggressive Systemic Mastocytosis (ASM)",
        "SM w Assoc Clonal Hema Non-mast Cell Lineage Disease (SM-AHNMD)",
        "Mast Cell Leukemia (MCL)",
        "Smoldering Systemic Mastocytosis (SSM)",
        "Indolent Systemic Mastocytosis (ISM) ISM Subgroup Fully Recruited"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Adelphi Values LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2014-07",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-10",
      "last_synced_at": "2026-05-21T23:49:26.829Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02380222"
    }
  ]
}