HERISHANU, Y., A. SHAULOV, R. FINEMAN, S. BASIC-KINDA, A. AVIV, E. WASIK-SZCZEPANEK, O. JAKSIC, M. ZDRENGHEA, U. GREENBAUM, I. MANDAC, M. SIMKOVIC, M. MORAWSKA, O. BENJAMINI, M. SPACEK, A. NEMETS, O. BAIREY, L. TRENTIN, R. RUCHLEMER, L. LAURENTI, O. S. CIOCAN, Michael DOUBEK, L. SHVIDEL, N. DALI, F. MIRAS, A. DE METEUR, M. DIMOU, F. R. MAURO, M. COSCIA, H. BUMBEA, R. SZASZ, T. TADMOR, O. GUTWEIN, M. GENTILE, L. SCARF, A. TEDESCHI, P. SPORTOLETTI, E. GIMENO VAZQUEZ, J. MARQUET, S. ASSOULINE, M. PAPAIOANNOU, A. BRAESTER, L. LEVATO, M. GREGOR, G. M. RIGOLIN, J. LOSCERTALES, A. M. PEREZ, M. R. NIJZIEL, V. M. POPOV, R. COLLADO, I. SLAVUTSKY, G. ITCHAKI, S. RINGELSTEIN, N. GOLDSCHMIDT, C. PERRY, S. LEVI, A. POLLIACK and P. GHIA. Frontline treatment with the combination obinutuzumab +/- chlorambucil for chronic lymphocytic leukemia outside clinical trials: Results of a multinational, multicenter study by ERIC and the Israeli CLL study group. American Journal of Hematology. Hoboken: John Wiley & Sons, 2020, vol. 95, No 6, p. 604-611. ISSN 0361-8609. Available from: https://dx.doi.org/10.1002/ajh.25766.
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Basic information
Original name Frontline treatment with the combination obinutuzumab +/- chlorambucil for chronic lymphocytic leukemia outside clinical trials: Results of a multinational, multicenter study by ERIC and the Israeli CLL study group
Authors HERISHANU, Y. (376 Israel, guarantor), A. SHAULOV (376 Israel), R. FINEMAN (376 Israel), S. BASIC-KINDA (191 Croatia), A. AVIV (376 Israel), E. WASIK-SZCZEPANEK (376 Israel), O. JAKSIC (191 Croatia), M. ZDRENGHEA (642 Romania), U. GREENBAUM (376 Israel), I. MANDAC (191 Croatia), M. SIMKOVIC (203 Czech Republic), M. MORAWSKA (616 Poland), O. BENJAMINI (376 Israel), M. SPACEK (203 Czech Republic), A. NEMETS (376 Israel), O. BAIREY (376 Israel), L. TRENTIN (380 Italy), R. RUCHLEMER (376 Israel), L. LAURENTI (380 Italy), O. S. CIOCAN (642 Romania), Michael DOUBEK (203 Czech Republic, belonging to the institution), L. SHVIDEL (376 Israel), N. DALI (376 Israel), F. MIRAS (724 Spain), A. DE METEUR (56 Belgium), M. DIMOU (300 Greece), F. R. MAURO (380 Italy), M. COSCIA (380 Italy), H. BUMBEA (642 Romania), R. SZASZ (348 Hungary), T. TADMOR (376 Israel), O. GUTWEIN (376 Israel), M. GENTILE (380 Italy), L. SCARF (380 Italy), A. TEDESCHI (380 Italy), P. SPORTOLETTI (380 Italy), E. GIMENO VAZQUEZ (724 Spain), J. MARQUET (724 Spain), S. ASSOULINE (124 Canada), M. PAPAIOANNOU (300 Greece), A. BRAESTER (376 Israel), L. LEVATO (380 Italy), M. GREGOR (756 Switzerland), G. M. RIGOLIN (380 Italy), J. LOSCERTALES (724 Spain), A. M. PEREZ (724 Spain), M. R. NIJZIEL (528 Netherlands), V. M. POPOV (642 Romania), R. COLLADO (724 Spain), I. SLAVUTSKY (32 Argentina), G. ITCHAKI (376 Israel), S. RINGELSTEIN (376 Israel), N. GOLDSCHMIDT (376 Israel), C. PERRY (376 Israel), S. LEVI (376 Israel), A. POLLIACK (376 Israel) and P. GHIA (380 Italy).
Edition American Journal of Hematology, Hoboken, John Wiley & Sons, 2020, 0361-8609.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 30205 Hematology
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 10.047
RIV identification code RIV/00216224:14110/20:00116169
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.1002/ajh.25766
UT WoS 000531328600013
Keywords in English RITUXIMAB REGIMEN; THERAPY; CYCLOPHOSPHAMIDE; FLUDARABINE; IBRUTINIB
Tags 14110212, rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Tereza Miškechová, učo 341652. Changed: 10/8/2020 12:04.
Abstract
In recent years, considerable progress has been made in frontline therapy for elderly/physically unfit patients with CLL. The combination of obinutuzumab and chlorambucil (O-Clb) has been shown to prolong progression free survival (PFS, median PFS-31.5 months) and overall survival (OS) compared to chlorambucil alone. More recently, obinutuzumab given in combination with either ibrutinib or venetoclax improved PFS but not OS when compared to O-Clb. In this retrospective multinational, multicenter co-operative study, we evaluated the efficacy and safety of frontline treatment with O +/- Clb in unfit patients with CLL, in a "real-world" setting. Patients with documented del (17p13.1)/TP53 mutation were excluded. A total of 437 patients (median age, 75.9 years; median CIRS score, 8; median creatinine clearance, 61.1 mL/min) were included. The clinical overall response rate was 80.3% (clinical complete and partial responses in 38.7% and 41.6% of patients, respectively). Median observation time was 14.1 months and estimated median PFS was 27.6 months (95% CI, 24.2-31.0). In a multivariate analysis, high-risk disease [del (11q22.3) and/or IGHV-unmutated], lymph nodes of diameter > 5 cm, obinutuzumab monotherapy and reduced cumulative dose of obinutuzumab, were all independently associated with shorter PFS. The median OS has not yet been reached and estimated 2-year OS is 88%. In conclusion, in a "real-world" setting, frontline treatment with O-Clb achieves PFS comparable to that reported in clinical trials. Inferior outcomes were noted in patients with del (11q22.3) and/or unmutated IGHV and those treated with obinutuzumab-monotherapy. Thus, O-Clb can be still considered as legitimate frontline therapy for unfit CLL patients with low-risk disease.
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