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Summary Peripheral T‐cell lymphoma ( PTCL ), not otherwise specified ( NOS ) and angioimmunoblastic T‐cell lymphoma ( AITL ) are the most frequent of more than 20 mature PTCL entities featuring a broad spectrum of morphological, immunophenotypic, molecular and clinical characteristics. Unfortunately, recent progress in understanding the (epi)genetic background of PTCL has not been met with similar advances in treatment. Thus, CHO (E)P cyclophosphamide, doxorubicin, vincristine, and prednisone (plus etoposide) remains standard first‐line therapy. Patients without comorbidities achieving complete or partial remission proceed to autologous stem cell transplantation. With this approach about 50% of patients survive long‐term. Patients relapsing after or progressing during first‐line therapy have a dismal prognosis. They receive salvage gemcitabine‐therapy followed by allogeneic transplantation whenever possible. After allografting, approximately half of the patients survive long‐term; any other treatment is palliative. New drugs investigated in phase II studies achieved response rates between 10% and 30%; long‐term remissions are the exception to the rule. While most new drugs are not licensed and not readily available, a plethora of other innovative drugs targeting (epi‐)genetic abnormalities are in early development. These, together with combinations of new and old drugs, will hopefully increase response to first‐line therapy, bridge more patients to transplantation, and finally improve prognosis for all patients with PTCL .
Schmitz et al. (Fri,) studied this question.