Provided herein are pharmaceutical compositions, comprising a pharmaceutically acceptable carrier and therapeutically effective amounts of high affinity Natural Killer (haNK) cells and a therapeutic antibody in the form of a combined preparation. Also provided herein are methods for treating cancer by using the pharmaceutical composition comprising the haNK cells and the therapeutic antibody.

Provided a chimeric anti-drug antibody receptor (CADAR) specific for anti-drug-antibody-based B cell receptor (BCR), the anti-drug antibody is induced by a therapeutic anti-TNF-alpha monoclonal antibody. Also provided compositions comprising the CADAR, polynucleotides encoding the CADAR, vectors comprising a polynucleotide encoding the CADAR, engineered cells comprising the CADAR, and method using the same.