Abstract
ABSTRACT Introduction: Acute myeloid leukemia (AML) is a disorder wherein clonal expansion of undifferentiated myeloid precursors results in compromised hematopoiesis and bone marrow failure. Even though numerous AML patients respond to induction chemotherapy, relapse is common and hence new therapeutic approaches are needed. Wild-type Wilms tumor gene (WT1) is greatly expressed in numerous blood disorders and so this has led to development of galinpepimut-S, a WT1 vaccine as a modality to maintain remission in patients with AML. Areas covered: We summarize and examine the structure, key features, safety, and efficacy data of galinpepimut-S (GPS) for AML. GPS has been shown to be safe and tolerable in phase 1 and phase 2 studies and is now being evaluated in a phase 3 study. Expert opinion: Given the unmet need in the treatment of relapsed and refractory AML, especially among the elderly and patients with comorbidities who are not fit enough to undergo traditional salvage treatments, GPS could potentially fill the gap for this subset of patients. Future clinical trials utilizing GPS in second complete remission 2 (CR2) compared to best available therapy in AML and in combination with other immunotherapeutic agents (like pembrolizumab) for treatment for various malignancies are underway.
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