(PIONEER) Study to Evaluate Efficacy and Safety of Avapritinib (BLU-285), A Selective KIT Mutation-targeted Tyrosine Kinase Inhibitor, Versus Placebo in Patients With Indolent Systemic Mastocytosis
Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Blueprint Medicines Corporation
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
1\. Patient must have SM, confirmed by Central Pathology Review of BM biopsy, and central review of B- and C-findings by WHO diagnostic criteria.
2\. Patient must have moderate-to-severe symptoms based on minimum mean total symptom score (TSS) of the ISM Symptom Assessment Form (ISM-SAF) over the 14-day eligibility screening period.
3\. Patient must have failed to achieve adequate symptom control for 1 or more Baseline symptoms.
4\. For patients receiving corticosteroids, the dose must be ≤ 20 mg/d prednisone or equivalent, and the dose must be stable for ≥ 14 days.
5\. Patient must have an Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 to 2.
You may not be if
1\. Patient has been diagnosed with any of the following WHO SM subclassifications: cutaneous mastocytosis only, smoldering SM, SM with associated hematologic neoplasm, aggressive SM, mast cell leukemia, or mast cell sarcoma.
2\. Patient must not have received prior treatment with avapritinib.
3\. Patient must not have had any cytoreductive therapy including but not limited to masitinib and midostaurin, or investigational agent for \< 14 days or 5 half-lives of the drug (whichever is longer), and for cladribine, interferon alpha, pegylated interferon, or antibody therapy \< 28 days or 5 half-lives of the drug (whichever is longer), before beginning the 14-day ISM-SAF eligibility TSS assessment.
4\. Patient must not have received radiotherapy or psoralen and ultraviolet A (PUVA) therapy \< 14 days before beginning the 14-day ISM-SAF eligibility TSS assessment.
5\. Patient must not have received any hematopoietic growth factor the preceding 14 days before beginning the 14-day ISM-SAF eligibility TSS assessment.
6\. Patient must not have a QT interval corrected using Fridericia's formula (QTcF) of \> 480 msec.
Clareo Health | (PIONEER) Study to Evaluate Efficacy and Safety of Avapritinib (BLU-285), A Selective KIT Mutation-targeted Tyrosine Kinase Inhibitor, Versus Placebo in Patients With Indolent Systemic Mastocytosis