What is the optimal regimen for advanced stage Nodular Lymphocyte Predominant Hodgkin Lymphoma?

I do not believe that there is an "optimal" chemotherapy regimen for advanced nodular lymphocytic predominant Hodgkin lypmhoma. The most commonly used regimen is probably ABVD +/- rituximab. CHOP-R might be a good choice when the question of early transformation to diffuse large B-cell lymphoma is s...