Gastrointestinal Cancers

Final results from the phase 3 clinical trial ClarIDHy showed that ivosidenib (Tibsovo), a first-in-class oral inhibitor of isocitrate dehydrogenase 1 (IDH1) mutation, prolonged the median overall survival (OS) in patients with previously treated advanced cholangiocarcinoma (CCA) and IDH1 mutation. Although this improvement did not reach statistical significance, after adjusting for crossovers from the placebo group to the ivosidenib group, the difference in median OS improvement was statistically significant. Read More ›

The HER2-targeted bispecific investigational antibody zanidatamab, either as monotherapy or in combination with chemotherapy, has shown promising antitumor activity in an ongoing phase 1 clinical trial of patients with HER2-expressing biliary tract cancer or gastroesophageal adenocarcinoma, reported Funda Meric-Bernstam, MD, Chair, Department of Investigational Cancer Therapeutics, M.D. Anderson Cancer Center, Houston, TX, at the 2021 ASCO Gastrointestinal Cancers Symposium. Read More ›

Second-line treatment with a 3-drug regimen that included the PD-1 inhibitor nivolumab (Opdivo), the VEGF receptor antagonist ramucirumab (Cyramza), and chemotherapy with the taxane paclitaxel, showed durable and impressive response rates, regardless of PD-L1 expression, in patients with advanced gastric cancers. Shuichi Hironaka, MD, PhD, Chiba Cancer Center, Japan, reported the study results at the 2020 Gastrointestinal Cancers Symposium.

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The FDA approval of avapritinib marks the first time a drug has been approved specifically for patients with GIST harboring PDGFRA exon 18 mutations, which are involved in approximately 10% of GIST cases. Read More ›

Sorafenib (Nexavar) in combination with transcatheter ­arterial chemoembolization (TACE) significantly improves progression-free survival (PFS), with no unexpected adverse results, compared with TACE alone in patients with unresectable hepatocellular carcinoma (HCC), according to results from the phase 2 TACTICS clinical trial. Read More ›

Understanding the complex relationship between the PD-1 receptor, its ligand 1 (PD-L1), and mismatch repair deficiency (dMMR) status may help to improve treatment outcomes in patients with resectable gastric and esophageal cancer, according to a retrospective tissue-based analysis. Read More ›

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