Werewolf Therapeutics Announces Promising New Development Candidate, WTX-921, a first-of-its-kind IL-10 INDUKINE™ Molecule for Inflammatory Diseases

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Werewolf Therapeutics, Inc.
Werewolf Therapeutics, Inc.

WATERTOWN, Mass., Oct. 31, 2024 (GLOBE NEWSWIRE) -- Werewolf Therapeutics, Inc. (the “Company” or “Werewolf”) (Nasdaq: HOWL), an innovative biopharmaceutical company pioneering the development of conditionally activated therapeutics engineered to stimulate the body’s immune system for the treatment of cancer and other immune-mediated conditions, today announced the addition of WTX-921, a novel IL-10 INDUKINE development candidate for Inflammatory Bowel Disease (IBD) and potentially other inflammatory diseases, to the Company’s pipeline. This pipeline expansion underscores the transformative promise of the Werewolf’s PREDATOR® platform to apply the INDUKINE approach to therapeutic areas outside of oncology.

Werewolf’s INDUKINE molecules have shown promising safety and efficacy results in ongoing oncology clinical trials. Their validated approach entails the identification of novel protease-cleavable linkers that enable the conditional activation of wild-type cytokines, optimizing efficacy in disease tissues while shielding healthy tissues from on-target/off-tissue effects. To address IBD, Werewolf leveraged this unique drug design approach and identified the optimal cytokine masking and disease selective linkers for delivery of IL-10 to inflammatory disease tissue, in this case the colon. This achievement highlights the platform’s exceptional ability to generate best-in-class, conditionally active therapeutics with unparalleled therapeutic windows, addressing critical needs across diverse medical areas.

“The unveiling of our novel drug candidate WTX-921 for IBD represents a key milestone that not only marks a pivotal moment in our trajectory forward, but also showcases our PREDATOR platform’s versatility in other critically unmet medical needs,” said Daniel J. Hicklin, Ph.D., President and Chief Executive Officer of Werewolf. “We are dedicated to pioneering therapies that target the root mechanisms of diseases evident by this new development candidate, WTX-921.”

IBD is characterized by considerable unmet need as currently there is no cure, only medications that control symptoms. According to the Centers for Disease Control and Prevention, IBD encompasses Crohn’s disease and ulcerative colitis, two conditions that are characterized by chronic inflammation of the gastrointestinal (GI) tract. Prolonged inflammation results in damage to the GI tract. While the exact cause of IBD is unknown, autoimmune and immune-mediated factors have been shown to contribute to the severity of the disease. IBD is diagnosed in more than 0.7% of Americans, with 721 cases per 100,000 people, or 1 in 100.