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Overall, 33 patients (52%) continued treatment beyond investigator assessed PD and a total of 16 patients received additional concomitant radiotherapy and/or chemotherapy. The majority of patients experiencing PD during or after anti-PD1 treatment received additional therapies (21/37, 57%). Outcomes of anti-programmed death 1 treatment for relapsed/refractory Hodgkin lymphoma: A German Hodgkin Study Group multicentre real-world analysis. [Extracted from the article]

Value of bone marrow biopsy in Hodgkin lymphoma patients staged by FDG PET: results from the German Hodgkin Study Group trials HD16, HD17, and HD18. Keywords: bone marrow involvement; Hodgkin lymphoma; intensive chemotherapy; positron emission tomography; prognosis EN bone marrow involvement Hodgkin lymphoma intensive chemotherapy positron emission tomography prognosis e5 e8 4 03/30/22 20220401 NES 220401 Newly diagnosed advanced-stage Hodgkin lymphoma (HL) has become a curable malignancy in the vast majority of patients.1,2 With response-adapted treatment comprising four or six cycles of bleomycin, etoposide, doxorubicin, cyclophosphamide, vincristine, procarbazine, and prednisone (BEACOPP) in escalated dose (eBEACOPP), outstanding cure rates are achieved through a comparatively short and safe treatment approach.3,4 Around 5 to 15% of HL patients present with bone marrow (BM) involvement, as assessed by conventional biopsy.5-7 According to the Ann Arbor classification, BM involvement reflects a high tumour burden and therefore defines stage IV disease.8 Positron emission tomography (PET) using SP 18 sp F-fluoro-2-deoxy-d-glucose (FDG) has demonstrated superior sensitivity compared to BM biopsy.9-11 In paediatric advanced HL, only individuals showing three or more BM lesions were assumed to be at higher risk for progression or relapse.12 Yet, there are insufficient data available to establish whether this also holds true for adult patients receiving intensive first-line treatment. PET imaging was shown to identify BM lesions at a higher sensitivity than biopsy of the iliac bone and has become part of diagnostic work-up in most countries.15 Current study protocols no longer recommend BM biopsy in PET-negative individuals. [Extracted from the article]