Imfinzi Approved for Biliary Tract Cancer

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FDA has approved an AstraZeneca supplemental BLA for Imfinzi (durvalumab) for combination use with gemcitabine and cisplatin for adult patients with locally advanced or metastatic biliary tract cancer. Approval was based on overall survival (OS) and other data from the TOPAZ-1 trial that enrolled 685 patients.

“A statistically significant improvement in OS was demonstrated in patients randomized to receive durvalumab with gemcitabine and cisplatin compared to those randomized to receive placebo with gemcitabine and cisplatin,” an agency release says. “Median OS was 12.8 months (95% CI: 11.1, 14) and 11.5 months (95% CI: 10.1, 12.5) in the durvalumab and placebo arms, respectively.”

Imfinzi originally gained accelerated approval in 2017 for treating patients with locally advanced or metastatic urothelial carcinoma who have disease progression during or following platinum-containing chemotherapy or who have disease progression within 12 months of neoadjuvant or adjuvant treatment with platinum-containing chemotherapy.

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