Summary: This phase III trial compares the effect of adding immunotherapy (brentuximab vedotin and nivolumab) to standard treatment (chemotherapy with or without radiation) to the standard treatment alone in improving survival in patients with stage I and II classical Hodgkin lymphoma. Brentuximab vedotin is in a class of medications called antibody-drug conjugates. It is made of a monoclonal antibody call...

Summary: This study is a survey in Japan of Brentuximab Vedotin used to treat children or teenagers with Hodgkin lymphoma (HL). The study sponsor will not be involved in how the participants are treated but will provide instructions on how the clinics will record what happens during the study. The main aim of the study is to check for side effects related from Brentuximab Vedotin especially myelosupression...

Summary: This is an open label, single center, non-randomized dose de-escalation phase I study of combination of BV and Mogamulizumab. The primary objective of the study is to assess the safety and tolerability of the combination. The primary objective is also to explore safe dose of combination for future expansion.