Syndax Pharmaceuticals, Inc. operates as a clinical-stage biopharmaceutical firm focused on developing innovative therapies for cancer. Among its leading investigational products are SNDX-5613, currently undergoing Phase 1/2 clinical assessment, which targets the Menin-mixed lineage leukemia 1 protein interaction for treating MLL-rearranged (MLLr) and nucleophosmin 1 mutant acute myeloid leukemia (NPM1c AML). Another significant candidate is SNDX-6352, or axatilimab, a monoclonal antibody designed to block the colony stimulating factor 1 (CSF-1) receptor, intended for patients suffering from chronic graft versus host disease (cGVHD). The company is additionally progressing Entinostat. Syndax has also established strategic collaborations, including a research and development agreement with the National Cancer Institute, a clinical trial agreement with the Eastern Cooperative Oncology Group, and a license agreement with Kyowa Hakko Kirin Co., Ltd. Founded in 2005, Syndax Pharmaceuticals, Inc. maintains its corporate headquarters in Waltham, Massachusetts.