AstraZeneca gets Japanese approval for Imfinzi, Imjudo to treat 3 types of cancer
Imfinzi (durvalumab) is a human monoclonal antibody that binds to the PD-L1 protein and blocks the interaction of PD-L1 with the PD-1 and CD80 proteins, countering the tumour's immune-evading tactics and releasing the inhibition of immune responses.
UK: AstraZeneca has announced that the company's immunotherapies Imfinzi (durvalumab) and Imjudo (tremelimumab) have been approved in Japan for the treatment of three cancer types: advanced liver, biliary tract, and lung.
The approvals authorise Imfinzi in combination with Imjudo for the treatment of adult patients with unresectable hepatocellular carcinoma (HCC) and for the treatment of adult patients with unresectable, advanced or recurrent non-small cell lung cancer (NSCLC) in combination with chemotherapy. Imfinzi was also authorised for the treatment of adult patients with unresectable HCC as monotherapy and for the treatment of adult patients with curatively unresectable biliary tract cancer (BTC) in combination with chemotherapy (gemcitabine plus cisplatin).
The concurrent approvals by the Japanese Ministry of Health, Labour, and Welfare are based on positive results from the HIMALAYA and TOPAZ-1 Phase III trials, each published in the New England Journal of Medicine Evidence and the POSEIDON Phase III trial, published in the Journal of Clinical Oncology.
Dave Fredrickson, Executive Vice President, Oncology Business Unit, AstraZeneca, said: "Japan has one of the highest rates of diagnosis for liver and biliary tract cancers in the world, and lung cancer remains the country's leading cause of cancer death. With these approvals for Imfinzi and Imjudo, patients in Japan can now be treated with novel immunotherapy-based treatment regimens that have demonstrated significant survival benefits across three complex cancers with poor prognoses."
Imfinzi (durvalumab) is a human monoclonal antibody that binds to the PD-L1 protein and blocks the interaction of PD-L1 with the PD-1 and CD80 proteins, countering the tumour's immune-evading tactics and releasing the inhibition of immune responses.
Imjudo (tremelimumab) is a human monoclonal antibody that targets the activity of cytotoxic T-lymphocyte-associated protein 4 (CTLA-4). Imjudo blocks the activity of CTLA-4, contributing to T-cell activation, priming the immune response to cancer and fostering cancer cell death.
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