(Reuters) - Merck & Co Inc said on Tuesday its blockbuster cancer drug Keytruda won approval from the U.S. Food and Drug Administration to treat a type of head and neck cancer.
The drug was approved for use as a monotherapy, as well as in combination with a common chemotherapy regimen, to treat previously untreated patients with head and neck squamous cell carcinoma, Merck said.
(Reporting by Aakash Jagadeesh Babu in Bengaluru; Editing by Shailesh Kuber)
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