HUTCHMED(HCM) Newsfilter·2025-03-20 00:00Core Insights - The SAVANNAH Phase II trial demonstrated high and durable response rates for savolitinib combined with TAGRISSO® in patients with MET-high lung cancer, indicating a promising oral treatment strategy for advanced cases [1][2][3] - Long-term survival benefits and safety were observed in the Phase IIIb study of savolitinib for patients with METex14 NSCLC, particularly in treatment-naïve patients [1][7] Group 1: SAVANNAH Phase II Trial Results - The SAVANNAH Phase II trial showed a confirmed objective response rate (ORR) of 56% (95% CI: 45%–67%) and a median duration of response (DoR) of 7.1 months (95% CI: 5.6–9.6) for savolitinib plus TAGRISSO® [3][4] - The median progression-free survival (PFS) was reported as 7.4 months (95% CI: 5.5–7.6) [3] Group 2: Safety Profile - Safety results indicated that Grade 3 or higher adverse events occurred in 57% of patients, with 32% experiencing Grade 3 or higher treatment-related adverse events [4] - No new safety concerns were reported, aligning with the established safety profiles of the medications involved [4] Group 3: Phase IIIb Study Outcomes - In the Phase IIIb study, treatment-naïve patients had a median overall survival (OS) of 28.3 months (95% CI: 17.5–not evaluable), with a 36-month OS rate of 44.7% [7] - Previously treated patients had a median OS of 25.3 months (95% CI: 20.5–30.5), with a 24-month OS rate of 51.7% [7] Group 4: Drug Development and Approval - Savolitinib is a selective MET tyrosine kinase inhibitor developed by AstraZeneca and HUTCHMED, which received Fast Track Designation from the FDA in 2023 [5][14] - The drug is approved in China under the brand name ORPATHYS® for patients with MET exon 14 skipping alterations [8][15] Group 5: Surufatinib Study Insights - Surufatinib combined with PD-1/PD-L1 antibodies showed durable survival benefits in extensive-stage small cell lung cancer (SCLC) patients, with 12-month and 18-month OS rates of 57.1% for maintenance therapy [9] - The exploratory study involved 21 patients, with a median follow-up duration of 17.1 months for maintenance therapy [9] Group 6: Company Overview - HUTCHMED is a biopharmaceutical company focused on the discovery and commercialization of targeted therapies for cancer and immunological diseases [19] - The company has successfully brought multiple drug candidates to market, with its first three medicines approved in China and one also approved globally [19]