Stemline Targeting cancer at its root
developing novel drugs that attack Cancer Stem Cells

Investor Relations


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Stemline Therapeutics, Inc. is a clinical-stage biopharmaceutical company developing novel oncology therapeutics that target both cancer stem cells (CSCs) and tumor bulk in a variety of cancer types. Stemline is currently developing two clinical-stage product candidates, SL-401 and SL-701.

SL-401 is a targeted therapy directed to the interleukin-3 receptor (IL-3R). A multicenter clinical trial with SL-401 is currently open and actively accruing patients with blastic plasmacytoid dendritic cell neoplasm (BPDCN) and advanced acute myeloid leukemia (AML).  An additional clinical trial with SL-401 is currently open in patients with AML who are in first complete remission (CR) with minimal residual disease (MRD), which is associated with a high relapse rate. Stemline is also planning SL-401 trials in additional hematologic cancers including several uncommon, stem cell-derived myeloproliferative disorders. Previously, SL-401 demonstrated single-agent activity, including multiple durable complete responses (CRs), in a Phase 1/2 trial in several indications including BPDCN and relapsed/refractory AML.

SL-701 is an enhanced immunotherapy designed to activate the immune system to attack tumors. A multicenter clinical trial with SL-701 is currently open and actively accruing adult patients with glioblastoma multiforme (GBM) in first recurrence. Previously, an earlier version of the therapy demonstrated clinical activity, including durable CRs and partial responses (PRs), in Phase 1/2 trials in adults and children with advanced brain cancers.

Additionally, Stemline has built a robust preclinical pipeline, which includes next generation IL-3R-targeted compounds, SL-501 and SL-101, an innovative discovery platform, and an extensive intellectual property portfolio including some of the earliest patents in the CSC area.

Corporate Snapshot

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Corporate Presentation

PDF Corporate Presentation – October 2014

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Nov 12, 2014
Stemline Therapeutics Reports Third Quarter 2014 Financial Results and Provides Corporate Update

Nov 10, 2014
Stemline Therapeutics to Participate in the Barclays Select Series Symposium

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