On March 9, 2026 Actuate Therapeutics, Inc. (NASDAQ: ACTU) ("Actuate" or the "Company"), a clinical-stage biopharmaceutical company focused on developing therapies for the treatment of high-impact, difficult-to-treat cancers through the inhibition of glycogen synthase kinase-3 beta (GSK-3β), reported the launch of an expanded research initiative evaluating combinations of its clinical-stage GSK-3β inhibitor elraglusib with emerging RAS-targeted therapies.
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Despite recent advances in RAS-targeted therapies, adaptive resistance mechanisms and pathway reactivation remain some of the key barriers to achieving durable responses in patients (Dilly et al., Cancer Discov 2024).
Based on the mechanisms of action, GSK-3 inhibition may represent a critical complementary strategy capable of enhancing RAS-targeted therapies by suppressing downstream survival signaling and resistance pathways, including
NF-κB–mediated survival signaling
MYC-driven transcriptional programs
metabolic adaptation and oxidative stress buffering
tumor microenvironment immune suppression
In addition, RAS-mutant tumors — particularly pancreatic cancer — are widely considered immunologically resistant. Preclinical research suggests that GSK-3β inhibition may enhance antigen presentation, activate T cells and NK cells, and reduce exhausted T-cells. By simultaneously targeting tumor intrinsic survival pathways and modulating the tumor immune microenvironment, the combination of elraglusib and RAS inhibitors has the potential to create a multi-modal therapeutic strategy designed to overcome resistance and expand clinical benefit in RAS-driven cancers.
Expanding the Strategic Opportunity for Elraglusib
Elraglusib is a best-in-class, highly selective GSK-3β inhibitor with broad potential across multiple oncology indications, including pancreatic cancer, melanoma, colorectal cancer, and sarcoma. The investigational product has been administered to more than 500 patients and is currently being evaluated in a Phase 2 trial in metastatic pancreatic cancer (mPDAC).
The combination strategy is designed to simultaneously block proliferative signaling through RAS inhibition and disrupt tumor survival pathways via elraglusib’s GSK-3β inhibition, potentially enhancing apoptotic signaling beyond the threshold achieved with RAS inhibition alone.
The combination program is expected to include in-vitro studies of elraglusib with select RAS inhibitors using tumor models of RAS resistance, in-vivo tumor regression and survival studies, and translational biomarker analysis. Initial data from the program are expected in Q2 2026, with additional results in 2H26.
While next-generation RAS inhibitors are making meaningful progress, the emerging data suggest that combination strategies will be required to maximize clinical benefit (Long et al., Cancer Res 2026). By targeting GSK-3 – a central regulator of tumor survival – the Company believes that elraglusib has the potential to enhance depth and durability of RAS-targeted therapies. Actuate is advancing this work with leading academic collaborators and potential industry partners, further positioning elraglusib as a potential foundational component of next-generation treatment paradigms for RAS-driven cancers.
(Press release, Actuate Therapeutics, MAR 9, 2026, View Source [SID1234663390])