J Cancer 2019; 10(21):5041-5048. doi:10.7150/jca.29308 This issue

Research Paper

Treatment of Relapsed/Refractory Hodgkin Lymphoma: Real-World Data from the Czech Republic and Slovakia

Zdeněk Král1✉, Jozef Michalka1, Heidi Móciková2, Jana Marková2, Alice Sýkorová3, David Belada3, Alexandra Jungová4, Samuel Vokurka4, Marie Lukášová5, Vít Procházka5, Juraj Ďuraš6, Roman Hájek6, Ladislav Dušek7, Ľuboš Drgoňa8, Miriam Ladická8, Veronika Ballová9, Andrej Vranovský8

1. Department of Internal Medicine, Hematology and Oncology, University Hospital Brno and Faculty of Medicine, Masaryk University, Brno, Czech Republic
2. Department of Clinical Hematology, University Hospital Kralovske Vinohrady and Third Faculty of Medicine, Charles University, Prague, Czech Republic
3. 4th Department of Internal Medicine - Hematology, University Hospital Hradec Kralove, Czech Republic and Charles University in Prague, Faculty of Medicine in Hradec Kralove, Czech Republic
4. Department of Haemato-Oncology, University Hospital in Plzen, Plzen 304 60, Czech Republic
5. Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacký University, Olomouc, Czech Republic
6. Department of Hemato-Oncology, Faculty of Medicine, University of Ostrava and University Hospital Ostrava, Ostrava, Czech Republic
7. Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Czech Republic
8. Department of Oncohematology, Comenius University in Bratislava and National Cancer Institute, Bratislava, Slovakia
9. Department of Hematology/Oncology, Kantonsspital Baden, Baden, Switzerland

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Král Z, Michalka J, Móciková H, Marková J, Sýkorová A, Belada D, Jungová A, Vokurka S, Lukášová M, Procházka V, Ďuraš J, Hájek R, Dušek L, Drgoňa Ľ, Ladická M, Ballová V, Vranovský A. Treatment of Relapsed/Refractory Hodgkin Lymphoma: Real-World Data from the Czech Republic and Slovakia. J Cancer 2019; 10(21):5041-5048. doi:10.7150/jca.29308. Available from https://www.jcancer.org/v10p5041.htm

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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.

Keywords: antibody-drug conjugate, CD30, brentuximab vedotin, Hodgkin lymphoma, registries, stem cell transplantation