Company: TVRD
Filing Date: 2025-02-14
Form Type: 424B3
Source: 0001104659-25-014310
Chunk: 485

Company: Tvardi Therapeutics, Inc.
Filing Date: 2025-02-14
Form: 424B3
Chunk 485
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 preclinical study to evaluate the activity of TTI-101 where mice with humanized immune systems were implanted with human-derived HCC cells, a HCC-PDX model. HCC-PDX mice were randomized into different groups, including TTI-101 monotherapy and in combination therapy with a PD-1 inhibitor and/or anti-VEGF.

TTI-101 showed enhanced activity in combination with bevacizumab and/or an anti-PD-1, an ICI, therapy for HCC. In the HCC-PDX model, TTI-101 showed clinically meaningful benefit as monotherapy compared to placebo as measured by tumor weight (p<0.01), which was further enhanced when combined with either anti-PD-1 or bevacizumab. After four weeks of treatment, the triple combination of TTI-101 with anti-PD-1 and bevacizumab (n=6) demonstrated markedly larger reduction in tumor weight compared to treatment with saline (n=6), TTI-101 with bevacizumab (n=6), anti-PD-1 with bevacizumab (n=6) or TTI-101 with anti-PD-1 (n=6) (p<0.01). In addition, the results showed the anti-tumor effect of triple combination therapy was inhibited in the absence of human CD8+ or CD14+ immune cells confirming that these two immune cell types were critical in the triple combination. Taken together, the results showed that triple combination therapy using TTI-101, anti-PD-1 and bevacizumab significantly increased the anti-tumor response in vivo compared with monotherapy or dual therapy.

<div align='center'>**TTI-101 Response in Humanized Mouse Model Engrafted with HCC-PDX Tumor**</div>

Clinical development of TTI-101 for HCC

Phase 1 Clinical Trial Demonstrated Clinical Benefit with TTI-101 Monotherapy in Advanced Solid Tumors

Tvardi completed a Phase 1, multicenter, open-label, dose-escalation/dose-expansion clinical trial in the United States in patients with advanced solid tumors (n=64), enriched for patients with HCC (n=17) to determine the maximum tolerated dose (MTD), safety, PK, PD and clinical outcomes of TTI-101. TTI-101 was observed to be generally well tolerated. Over the conduct of the trial, multiple formulations were investigated per