In January 2023, Vanda Pharmaceuticals, Inc. (Vanda) submitted two interesting and substantially similar citizen petitions (Docket Nos. FDA-2023-P-0313 and FDA-2023-P-0344) regarding its product Hetlioz (tasimelteon). Vanda requested that FDA revoke the approval of Apotex’s and Teva’s generic versions of Hetlioz on the grounds that the …
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