#$%^&*AU2012201933A120120426.pdf#####C:UNRownbDccAMCU737274.OC-Am7o2n ABSTRACT The invention provides a pharmaceutical composition comprising an antibody that specifically binds to a Cav3 isoform or its 825 splice variants thereof. The present 5 invention also relates to compositions and methods for inhibiting cancer cell proliferation, preventing, treating and/or controlling cancer and/or related disorders in a patient by administering to the patient a therapeutically effective amount of the T type calcium channel selective inhibitor. A preferred T type calcium channel selective inhibitor is mibefradil.