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The study included patients with HL relapsing or refractory after three lines of chemotherapy (including brentuximab-vedotin) and autoHSCT, or four lines of chemotherapy if the patient was not eligible for HSCT. To assess whether some patients might be cured with nivolumab alone as systemic treatment, we analysed the 19 patients who achieved a CR and did not receive a consolidation (concomitant radiotherapy was performed in five patients). Can nivolumab alone cure patients with relapse or refractory Hodgkin lymphoma?. [Extracted from the article]

Tumor-associated macrophages (TAMs) might be associated with worse outcome in classical Hodgkin lymphoma (cHL). Our aim was to determine whether TAMs correlated with refractoriness in cHL. In a cohort of 18 consecutive primary refractory or early relapsed cases and 41 randomly selected controls (responder patients), high TAM infiltration was significantly associated with refractoriness or early relapse ( p = 0.004) and remained independently correlated with outcome in multivariate analysis (odds ratio 8.276, 95% confidence interval 1.214-56.408). This study provides evidence that the marker CD68 might accurately predict early outcome of de novo cHL and could be used in combination with c-kit and TiA1 staining. [ABSTRACT FROM AUTHOR]

We tested baseline positron emission tomography (PET)/computed tomography (CT) as a measure of total tumor burden to better identify high-risk patients with early-stage Hodgkin lymphoma (HL). Patients with stage I-II HL enrolled in the standard arm (combined modality treatment) of the H10 trial (NCT00433433) with available baseline PET and interim PET (iPET2) after 2 cycles of doxorubicin, bleomycin, vinblastine, and dacarbazine were included. Total metabolic tumor volume (TMTV) was measured on baseline PET. iPET2 findings were reported negative (DS1-3) or positive (DS4-5) with the Deauville scale (DS). The prognostic value of TMTV was evaluated and compared with baseline characteristics, staging classifications, and iPET2. A total of 258 patients were eligible: 101 favorable and 157 unfavorable. The median follow-up was 55 months, with 27 progression-free survival (PFS) and 12 overall survival (OS) events. TMTV was a prognosticator of PFS (P < .0001) and OS (P = .0001), with 86% and 84% specificity, respectively. Five-year PFS and OS were 71% and 83% in the high-TMTV (>147 cm3) group (n = 46), respectively, vs 92% and 98% in the low-TMTV group (≤147 cm³). In multivariable analysis including iPET2, TMTV was the only baseline prognosticator compared with the current staging systems proposed by the European Organization for Research and Treatment of Cancer/Groupe d'Etude des Lymphomes de l'Adulte, German Hodgkin Study Group, or National Comprehensive Cancer Network. TMTV and iPET2 were independently prognostic and, combined, identified 4 risk groups: low (TMTV≤147+DS1-3; 5-year PFS, 95%), low-intermediate (TMTV>147+DS1-3; 5-year PFS, 81.6%), high-intermediate (TMTV≤147+DS4-5; 5-year PFS, 50%), and high (TMTV>147+DS4-5; 5-year PFS, 25%). TMTV improves baseline risk stratification of patients with early-stage HL compared with current staging systems and the predictive value of early PET response as well. [ABSTRACT FROM AUTHOR]