Japan's largest pharmaceuticals company has been selling its over-the-counter (OTC) assets worldwide. : Takeda Pharmaceutical Co said on Monday it would sell its Japanese consumer healthcare business to US buyout fund Blackstone Group , as it aims to focus on developing drugs for unmet medical needs and rare diseases. Japan's largest pharmaceuticals company has been selling its over-the-counter (OTC) assets worldwide as it seeks to refocus its business and reduce debt following a $59 billion acquisition of Shire Plc last year.