The present invention relates to a pharmaceutical combination which comprises (a) at least one antibody molecule (e.g., humanized antibody molecules) that bind to Programmed Death 1 (PD-1), and (b) a HDM2-p53 interaction inhibitor, said combination for simultaneous, separate or sequential administration for use in the treatment of a proliferative disease, a pharmaceutical composition comprising such combination; a method of treating a subject having a proliferative disease comprising administration of said combination to a subject in need thereof; use of such combination for the treatment of proliferative disease; and a commercial package comprising such combination; said proliferative disease being a TP53 wildtype tumor, in particular TP53 wildtype renal cell carcinoma (RCC) or TP53 wildtype colorectal cancer (CRC).