Stemline Therapeutics, Inc.


Stemline Therapeutics, part of the Menarini Group, is dedicated to developing and commercializing innovative oncology therapeutics. Their mission is to improve the lives of cancer patients through first-in-class treatments. They focus on therapies such as ELZONRIS® for BPDCN and ORSERDU™ for ER-positive breast cancer, with a broad pipeline of oncology drugs in various development stages. The company is headquartered in New York City and is committed to addressing unmet medical needs in cancer treatment.

Industries

biotechnology
health-care
health-diagnostics
oncology

Nr. of Employees

small (1-50)

Stemline Therapeutics, Inc.

750 Lexington Avenue, 4th Floor, New York, NY 10022


Patents

Cancer stem cell targeted cancer vaccines

US-12357678-B2

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Combination therapy method of treating myeloproliferative neoplasms with a diphtheria toxin-human interleukin-3 conjugate in combination with other agents

US-12357700-B2

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IL3Ralpha antibodies and uses thereof

US-12187802-B2

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Lyophilized formulation

US-12171800-B2

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Cancer stem cell targeted cancer vaccines

US-11672847-B2

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IL3Ralpha antibody conjugates and uses thereof

US-10906979-B2

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Products

tagraxofusp (ELZONRIS)

A targeted biologic composed of a receptor-directed ligand fused to a truncated diphtheria toxin payload that binds CD123 (IL‑3 receptor α) to deliver a cytotoxic payload and induce apoptosis in target cells; approved for blastic plasmacytoid dendritic cell neoplasm (BPDCN) and under clinical evaluation in other hematologic malignancies.

elacestrant (ORSERDU)

An oral selective estrogen receptor degrader (SERD) developed for ER-positive, HER2-negative advanced or metastatic breast cancer, including patients with ESR1 mutations; evaluated as monotherapy and in combinations across multiple Phase 2 and Phase 3 trials.

selinexor (NEXPOVIO)

An oral inhibitor of exportin-1 (XPO1) that modulates nuclear export of tumor suppressors and growth-regulatory proteins to induce cancer cell cycle arrest and apoptosis; approved for certain relapsed/refractory multiple myeloma indications and evaluated in combination regimens.


Services

Case-by-case assessment and administration of pre-approval access to investigational oncology medicines, including physician-request intake, regulatory/ethics compliance, and supply assessment.

Expertise Areas

  • Oncology drug discovery and development
  • Clinical trial management and operations
  • Regulatory affairs and approvals (FDA/EMA designations)
  • Immunotherapy and vaccine development
  • Show More (4)

Key Technologies

  • Ligand-toxin fusion biologics targeting cell-surface receptors (e.g., CD123)
  • Antibody-drug conjugates (ADC)
  • Selective estrogen receptor degraders (oral SERDs)
  • Exportin-1 (XPO1) inhibitors
  • Show More (6)

News & Updates


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