Vanda Pharmaceuticals Inc. gained U.S. FDA approval for Bysanti (milsaperidone), cleared for use in acute bipolar I disorder and schizophrenia and ensuring continuation of the firm’s atypical antipsychotic franchise, with Fanapt (iloperidone) set to start losing patent protection in 2027. It also offered a rare straightforward regulatory win for Vanda, which has tussled with the FDA in recent years.