Summary: The primary objective of the rollover study is to evaluate the long-term safety of avapritinib in participants who have completed a Blueprint Medicines sponsored study (parent study) and continued to benefit from avapritinib.

Summary: This trial is a multicenter, open-label, biology driven, phase II study using a sequential Bayesian design, aiming to assess the efficacy and safety of different Matched Targeted Therapy (MTT) in independent and parallel cohorts of treatment. Patients will be assigned to a treatment cohort based on molecular alterations/characteristics detected on tumor sample from primary tumor or metastatic lesi...

Summary: Systemic mastocytosis with an associated hematologic neoplasm (SM-AHN) is a challenging disease to treat. Targeted KIT inhibitors have been approved for this indication based on their ability to control the mastocytosis portion of the disease, but patients frequently experience progression of the concomitant myeloid malignancy (i.e. the AHN). Using a combination approach to treat both aspects of t...