Published Results from Sagimet's FASCINATE-1 Phase 2a Trial Demonstrate FASN Inhibitor TVB-2640's Ability to Significantly Reduce Excess Liver Fat

SAN MATEO, Calif., July 26, 2021 /PRNewswire/ -- Sagimet Biosciences Inc., a clinical-stage biotechnology company focused on developing a portfolio of internally-discovered, selective fatty acid synthase (FASN) inhibitors, announced today that Gastroenterology – the official journal of the American Gastroenterological Association – published results from the company's FASCINATE-1 Phase 2a clinical trial evaluating TVB-2640 in patients with non-alcoholic steatohepatitis (NASH).

George Kemble, PhD, Sagimet's chief executive officer, said, "The results from our FASCINATE-1 Phase 2a trial published in this prestigious peer-reviewed journal are very encouraging. The significant improvement across steatosis, inflammation, lipotoxicity, fibrosis and metabolic biomarkers after only 12 weeks of TVB-2640 treatment brings hope that we are getting closer to a potential therapy for patients with NASH."

The primary efficacy endpoint of overall change in liver fat by MRI-PDFF imaging of TVB-2640 treatment resulted in significant reductions of liver fat in a dose dependent manner over the 12 weeks of treatment: 9·6%±29·1% (P=0·053) decrease in the 25mg cohort and 28·1%±28·0% (P=0·001) decrease in the 50mg cohort versus 4·5%±35·9% increase with placebo. 11% of patients in the placebo group achieved a ≥30% relative reduction of liver fat compared to 23% in the 25mg group, and 61% in the 50mg group (P<0·001). NASH patients who achieved an MRI-PDFF response, relative reduction of ≥30% liver fat, after 12-24 weeks of treatment have been shown later to have improved liver histology upon repeat liver biopsy, and this response has emerged as a strong and important indicator of NASH histologic improvement.

TVB-2640 also elicited a rapid impact on de novo lipogenesis (DNL), hepatic fat, blood levels of pro-inflammatory/pro-fibrotic lipotoxic metabolites and markers of fibrogenesis, indicating the mechanism of action of this drug across multiple pathologic pathways. In contrast, the placebo population showed increases in liver fat, liver enzymes, liver cell injury, and cholesterol levels over the 12 weeks. Future studies will determine if a longer duration of treatment will result in an even greater response.

Rohit Loomba, MD, MHSc, University of California at San Diego, who is serving as coordinating principal investigator of the study, noted, "It is imperative that therapies either regress fibrosis or blunt the progression of it. Our data indicate TVB-2640's potential is two-fold: first, it reduces lipotoxic liver injury that drives fibrosis-inducing damage; and second, it has a direct effect on inflammatory stimuli and stellate cells in the liver. The positive results based on the 12-week study provide a compelling foundation for larger randomized clinical trials with histological endpoints. We are excited to continue the path towards finding a treatment for NASH patients, including the near-term initiation of the Phase 2b FASCINATE-2 trial."

About TVB-2640
Sagimet is developing TVB-2640 as an oral, once-daily selective FASN inhibitor for the treatment of NASH, an aggressive form of nonalcoholic fatty liver disease (NAFLD). It is the company's lead drug candidate selected from more than 1,200 compounds in Sagimet's library of FASN inhibitors. TVB-2640 has been studied in over 300 subjects, including healthy volunteers and patients with NASH or cancer. In the FASCINATE-1 Phase 2a clinical trial, TVB-2640 demonstrated statistically significant improvements across steatosis, inflammation/lipotoxicity, fibrosis and metabolic biomarkers important in NASH, and was well-tolerated. Sagimet received FDA Fast Track designation for TVB-2640 for the treatment of NASH in March 2021.

About Sagimet
Sagimet Biosciences Inc. is a clinical-stage biopharmaceutical company focused on developing a portfolio of internally-discovered, selective FASN inhibitors for treatment in several therapeutic areas of high unmet medical need including liver disease and specific cancers targeting dysfunctional metabolic pathways. The company has unique expertise in FASN biology and has created a pipeline of proprietary FASN inhibitors. www.sagimet.com.

SOURCE Sagimet Biosciences

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http://www.sagimet.com

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