Solid state forms of azilsartan and azilsartan medoxomil monopotassium and preparation thereof

摘要

The present invention relates to novel solid state forms of azilsartan and azilsartan medoxomil monopotassium salt i.e. amorphous and crystalline forms of azilsartan and azilsartan medoxomil monopotassium salt and processes for the preparation thereof. The present invention also relates to co precipitate of azilsartan. Further it relates to the pharmaceutical composition of amorphous and crystalline forms of azilsartan and azilsartan medoxomil monopotassium salt and its use.