The present invention relates to a combination product, composition(s) and kit of parts comprising at least (i) a therapeutic vaccine and (ii) one or more immune checkpoint modulator(s). The present invention also concerns a method for treating a proliferative or an infectious disease as well as a method for eliciting or stimulating and/or re-orienting an immune response, wherein said methods comprise administering to a subject in need thereof said combination product or said composition(s).