There are provided pharmaceutical compositions comprising greater than 15% w/w of a compound of Formula (I) as defined herein and/or hydrate thereof and an amount of one or more effervescent agents that is sufficient to provide satisfactory in vitro dissolution; and further comprising one or more pharmaceutically acceptable ingredients; and to processes for obtaining them.提供藥學組成物,其包含大於15% w/w之如本文所定義之式(I)的化合物及/或其之水合物和足以提供令人滿意的活體外溶解之一或更多個發泡劑的量;以及進一步包含一或更多個藥學上可接受的成分;以及獲得其等之方法。