SummaryAn observational population-based cohort study was performed to investigate the role of comorbidity on outcome and treatment-related toxicity in patients with newly diagnosed advanced-stage diffuse large B-cell lymphoma (DLBCL) treated with R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone). Data for the clinical characteristics of 154 patients (median age 69 years), including Charlson Comorbidity Index (CCI), treatment, toxicity and outcome were evaluated. Forty-five percent of the patients had an International Prognistic index ≥3 and 16% had a CCI ≥2. The planned R-CHOP schedule was completed by 84% and 75% reached complete remission (CR). In those with CCI ≥2, 67% completed treatment with 46% CR. In patients with a CCI <2, overall survival (OS) after 1, 2 and 5 years was 84%, 79% and 65% respectively and it was 64%, 48% and 48% for those with CCI ≥2. Grade III/IV toxicity was documented in 53%, most frequently febrile neutropenia (27%) and infections (23%). In multivariate analysis CCI ≥2 and IPI ≥3 were independent risk indicators for OS and grade III/IV toxicity. In conclusion, comorbidity is an independent risk indicator for worse OS in patients with advanced DLBCL treated with R-CHOP by interference with intensive treatment schedules and more grade III/IV toxicity. Future studies are warranted to determine the optimal treatment approach in patients with significant comorbidities.

To assess treatment strategies, toxicity and outcome in very elderly patients (aged ≥ 75 years) diagnosed with diffuse large B-cell lymphoma (DLBCL) in the rituximab era, an observational population-based cohort study was performed. From 103 patients with a median age of 81 years, data of clinical characteristics, treatment, toxicity and outcome were evaluated. Advanced stage DLBCL was documented in 74 patients. In 80 patients chemotherapy was initiated; 70 patients received rituximab, cyclophosphamide, doxorubicin, vincristine and prednisolone (R-CHOP). In this group, 39 patients completed all cycles and 30 patients achieved a complete remission. Severe chemotherapy-related toxicity occurred in 69%. Two-year overall survival was 70% for elderly patients who completed chemotherapy, 28% for those treated with incomplete or suboptimal chemotherapy and 21% for those receiving palliative radiotherapy or supportive care. In conclusion, the ability to complete R-CHOP was associated with better overall survival compared to other treatment strategies at the expense of severe treatment-related toxicity.

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The expression of p53 and alpha-B-crystallin were related to the differentiation and site of the HNSCC. Alpha-B-crystallin was not a prognostic marker for HNSCC.

Despite a general favourable outcome in limited stage diffuse large B‐cell lymphoma (DLBCL), relapses occur in about 10 to 20% of patients. Prognostic models only partially identify patients at risk for relapse. Moreover, it is not known whether the outcome after such a relapse is similar to the outcome after relapse in advanced stages. From January 2004 through December 2012, all newly diagnosed patients with stage I(E) DLBCL were retrospectively analysed from 2 clinical databases to investigate the relapse pattern and outcome in relation to initial treatment and clinical characteristics. In 126 patients (median age 64 years), histologically confirmed stage I(E) DLBCL was diagnosed. With a median follow‐up of 53 months (range 5‐132 months), 1 progressive disease and 18 relapses occurred. The 5‐year time to tumour progression and disease‐specific survival were 85% (95% CI 79‐91%) and 92% (95% CI 87%‐97%), respectively. We observed no significant difference in relapse localization, time to tumour progression, and disease‐specific survival between patients treated with abbreviated R‐CHOP plus involved field radiotherapy or with 6 to 8 cycles of R‐CHOP. Analysis of relapses showed relapse >5 years after initial treatment (late relapse) in 5 of 19 patients (26%). Six of 19 patients (32%) had central nervous system relapse. Three of 11 relapsed cases available for analysis (28%) showed an MYC translocation, suggesting an overrepresentation in the relapse group. Outcome of patients with a relapse was poor with a median survival after relapse of 8 months. Only 1 patient (5%) underwent successful autologous stem cell transplantation. To improve outcome in these patients, early identification of new biological factors such as a MYC translocation or a high risk for CNS dissemination might be helpful. Moreover, treatment of any relapse after stage I disease should be taken seriously. Salvage treatment should be similar to relapses after advanced DLBCL.

Within the setting of free access to health care, in this cohort of patients with DLBCL no disparities in treatment and survival were seen in those with lower SES.

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