On May 30, 2024 Step Pharma, the global leader in CTPS1 inhibition for targeted cancer treatment, reported it has received an issue notification from the United States Patent and Trademark Office (USPTO), indicating the grant of a new US patent, and that the International Nonproprietary Names (INN) expert committee has approved the name "dencatistat" for the Company’s lead compound STP938 (Press release, Step Pharma, MAY 30, 2024, View Source [SID1234643871]).

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The patent, US Patent No 11,987,573, covers one of the key compounds within the Company’s extensive portfolio of CTPS1 inhibitor assets. This patent issue strengthens Step Pharma’s intellectual property, which is safeguarded by a range of published and unpublished patent families. Previously, the Company announced that the European Patent Office (EPO) granted patent EP3870574, which covers the same key compounds.

In addition, Step Pharma announces that the United States Adopted Names (USAN) Council, and the World Health Organization (WHO) INN expert committee has approved "dencatistat" as the nonproprietary (generic) name for the Company’s lead compound STP938. Dencatistat (STP938) is a first-in-class oral cancer therapeutic specifically inhibiting CTPS1. This compound is currently in a Phase 1/2 clinical trial to evaluate its safety, tolerability, pharmacokinetics, and preliminary efficacy in adult patients with relapsed or refractory T cell and B cell lymphomas.