The present invention relates to a pharmaceutical combination for use in the treatment of squamous cell carcinoma, comprising a CDK inhibitor selected from the compounds of formula (I) or a pharmaceutically acceptable salt thereof and one or more antineoplastic agents selected from sorafenib, lapatinib, erlotinib, cisplatin, 5-fluorouracil, docetaxel or cetuximab or a pharmaceutically acceptable salt thereof. The said pharmaceutical combination exhibits synergy when used in the treatment of squamous cell carcinoma of head and neck (SCCHN). The invention also relates to a pharmaceutical composition comprising the said combination and a method for the treatment of squamous cell carcinoma of head and neck (SCCHN), using a therapeutically effective amount of said combination.