The present invention relates to preparations and methods for treating a GD2 positive cancer by administering a preparation comprising an anti-GD2 antibody to a patient, wherein the patient is not concomitantly treated with Interleukin-2 (IL-2), and wherein one or more treatment periods with the antibody is/are preceded, accompanied, and/or followed by one or more treatment periods with a retinoid. Furthermore, the invention relates to preparations and methods for the treatment of a GD2 positive cancer in a patient, wherein a preparation comprising an anti-GD2 antibody is administered to the patient as a continuous infusion for one or more days and for two or more treatment cycles, without concomitantly administering IL-2. The present invention further relates to preparations and methods for the treatment of a GD2 positive cancer in a patient, wherein a preparation comprising an anti-GD2 antibody is administered to the patient as a continuous infusion without concomitantly administering IL-2, and wherein the anti-GD2 antibody is not a 14G2a antibody.
