The US FDA has handed Novartis AG's generics unit Sandoz Inc. a complete response letter for copycat of Advair Diskus (fluticasone propionate and salmeterol), highlighting the broader challenges of replicating complex drugs raised by agency Commissioner Scott Gottlieb.
GlaxoSmithKline PLC's Advair – a combination product for the treatment of asthma and airflow obstruction – has become the...







