The most common ( @ % frequency in the total group ) AEs were increased appetite ( @ % -LSB- n = @ -RSB- ) ; increased weight and vomiting ( @ % -LSB- n = @ -RSB- each ) ; sedation , pyrexia , and upper respiratory tract infection ( @ % -LSB- n = @ -RSB- each ) ; nasopharyngitis ( @ % -LSB- n = @ -RSB- ) ; and somnolence and fatigue ( @ % -LSB- n = @ -RSB- each ) .