Introduction: Clinical trials have demonstrated the effectiveness of the CD30-targeted antibody-drug conjugate brentuximab vedotin (BV) for the treatment of relapsed/refractory Hodgkin lymphoma (R/R HL). In this study, we report on outcomes with BV in a real-world setting using data collected in clinics in the Czech Republic and Slovakia. Patients and Methods: Clinical and epidemiological data for patients with R/R HL who received treatment with BV at eight centers across the Czech Republic and Slovakia were examined. Data were amalgamated and analyzed retrospectively. Results: Clinical data for 58 patients (median age: 30.5 years) with R/R HL who received BV during the course of their treatment were collected and analyzed. Patients had received a median of 3 prior treatment regimens and most (91%) were treated with BV after relapse following autologous stem cell transplantation. Therapeutic responses after BV included 19 (33%) complete responses (CRs) and 8 (14%) partial responses. CRs occurred more frequently in patients who had received fewer prior treatment regimens. The 1-, 2-, and 3-year overall survival (OS) rates from initiation of BV were 78%, 62%, and 41%, respectively. Conclusion: Response rates and OS in this analysis of BV in real-world settings in the Czech Republic and Slovakia were consistent with those reported for pivotal clinical trials and from previous studies outside the clinical trial setting. The results support the efficacy of BV for treatment of R/R HL in real-life clinical practice.

4th Department of Internal Medicine Hematology University Hospital Hradec Kralove Czech Republic and Charles University Prague Faculty of Medicine in Hradec Kralove Czech Republic

Department of Clinical Hematology University Hospital Kralovske Vinohrady and 3rd Faculty of Medicine Charles University Prague Czech Republic

Department of Haemato Oncology University Hospital in Plzen Plzen 304 60 Czech Republic

Department of Hemato Oncology Faculty of Medicine and Dentistry Palacký University Olomouc Czech Republic

Department of Hemato Oncology Faculty of Medicine University of Ostrava and University Hospital Ostrava Ostrava Czech Republic

Department of Hematology Oncology Kantonsspital Baden Baden Switzerland

Department of Internal Medicine Hematology and Oncology University Hospital Brno and Faculty of Medicine Masaryk University Brno Czech Republic

Department of Oncohematology Comenius University in Bratislava and National Cancer Institute Bratislava Slovakia

Institute of Biostatistics and Analyses Faculty of Medicine Masaryk University Czech Republic

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