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IT-Unterstützung für die translationale Medizin: Eine Analyse der IST-Zustände in Heidelberg und Leipzig als Basis für die Erarbeitung von Konzepten für das Informationsmanagement von integrierter Forschung und Versorgung
Management of health information systems

Abstract

Not specified

Authors: Harald Aamot, Sebastian Stäubert, Alfred Winter, Petra Knaup-Gregori

Date Published: 2012

Publication Type: InProceedings

Common breast cancer susceptibility alleles are associated with tumour subtypes in BRCA1 and BRCA2 mutation carriers: results from the Consortium of Investigators of Modifiers of BRCA1/2
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

INTRODUCTION Previous studies have demonstrated that common breast cancer susceptibility alleles are differentially associated with breast cancer risk for BRCA1 and/or BRCA2 mutation carriers. It is …s currently unknown how these alleles are associated with different breast cancer subtypes in BRCA1 and BRCA2 mutation carriers defined by estrogen (ER) or progesterone receptor (PR) status of the tumour. METHODS We used genotype data on up to 11,421 BRCA1 and 7,080 BRCA2 carriers, of whom 4,310 had been affected with breast cancer and had information on either ER or PR status of the tumour, to assess the associations of 12 loci with breast cancer tumour characteristics. Associations were evaluated using a retrospective cohort approach. RESULTS The results suggested stronger associations with ER-positive breast cancer than ER-negative for 11 loci in both BRCA1 and BRCA2 carriers. Among BRCA1 carriers, single nucleotide polymorphism (SNP) rs2981582 (FGFR2) exhibited the biggest difference based on ER status (per-allele hazard ratio (HR) for ER-positive = 1.35, 95% CI: 1.17 to 1.56 vs HR = 0.91, 95% CI: 0.85 to 0.98 for ER-negative, P-heterogeneity = 6.5 \times 10-6). In contrast, SNP rs2046210 at 6q25.1 near ESR1 was primarily associated with ER-negative breast cancer risk for both BRCA1 and BRCA2 carriers. In BRCA2 carriers, SNPs in FGFR2, TOX3, LSP1, SLC4A7/NEK10, 5p12, 2q35, and 1p11.2 were significantly associated with ER-positive but not ER-negative disease. Similar results were observed when differentiating breast cancer cases by PR status. CONCLUSIONS The associations of the 12 SNPs with risk for BRCA1 and BRCA2 carriers differ by ER-positive or ER-negative breast cancer status. The apparent differences in SNP associations between BRCA1 and BRCA2 carriers, and non-carriers, may be explicable by differences in the prevalence of tumour subtypes. As more risk modifying variants are identified, incorporating these associations into breast cancer subtype-specific risk models may improve clinical management for mutation carriers.

Authors: Anna Marie Mulligan, Fergus J. Couch, Daniel Barrowdale, Susan M. Domchek, Diana Eccles, Heli Nevanlinna, Susan J. Ramus, Mark Robson, Mark Sherman, Amanda B. Spurdle, Barbara Wappenschmidt, Andrew Lee, Lesley McGuffog, Sue Healey, Olga M. Sinilnikova, Ramunas Janavicius, Thomas vO Hansen, Finn C. Nielsen, Bent Ejlertsen, Ana Osorio, Iván Muñoz-Repeto, Mercedes Durán, Javier Godino, Maroulio Pertesi, Javier Benítez, Paolo Peterlongo, Siranoush Manoukian, Bernard Peissel, Daniela Zaffaroni, Elisa Cattaneo, Bernardo Bonanni, Alessandra Viel, Barbara Pasini, Laura Papi, Laura Ottini, Antonella Savarese, Loris Bernard, Paolo Radice, Ute Hamann, Martijn Verheus, Hanne E. J. Meijers-Heijboer, Juul Wijnen, Encarna B. Gómez García, Marcel R. Nelen, C. Marleen Kets, Caroline Seynaeve, Madeleine M. A. Tilanus-Linthorst, Rob B. van der Luijt, Theo van Os, Matti Rookus, Debra Frost, J. Louise Jones, D. Gareth Evans, Fiona Lalloo, Ros Eeles, Louise Izatt, Julian Adlard, Rosemarie Davidson, Jackie Cook, Alan Donaldson, Huw Dorkins, Helen Gregory, Jacqueline Eason, Catherine Houghton, Julian Barwell, Lucy E. Side, Emma McCann, Alex Murray, Susan Peock, Andrew K. Godwin, Rita K. Schmutzler, Kerstin Rhiem, Christoph Engel, Alfons Meindl, Ina Ruehl, Norbert Arnold, Dieter Niederacher, Christian Sutter, Helmut Deissler, Dorothea Gadzicki, Karin Kast, Sabine Preisler-Adams, Raymonda Varon-Mateeva, Ines Schoenbuchner, Britta Fiebig, Wolfram Heinritz, Dieter Schäfer, Heidrun Gevensleben, Virginie Caux-Moncoutier, Marion Fassy-Colcombet, François Cornelis, Sylvie Mazoyer, Mélanie Léoné, Nadia Boutry-Kryza, Agnès Hardouin, Pascaline Berthet, Danièle Muller, Jean-Pierre Fricker, Isabelle Mortemousque, Pascal Pujol, Isabelle Coupier, Marine Lebrun, Caroline Kientz, Michel Longy, Nicolas Sevenet, Dominique Stoppa-Lyonnet, Claudine Isaacs, Trinidad Caldes, Miguel de La Hoya, Tuomas Heikkinen, Kristiina Aittomäki, Ignacio Blanco, Conxi Lazaro, Rosa B. Barkardottir, Penny Soucy, Martine Dumont, Jacques Simard, Marco Montagna, Silvia Tognazzo, Emma D’Andrea, Stephen Fox, Max Yan, Tim Rebbeck, Olufunmilayo Olopade, Jeffrey N. Weitzel, Henry T. Lynch, Patricia A. Ganz, Gail E. Tomlinson, Xianshu Wang, Zachary Fredericksen, Vernon S. Pankratz, Noralane M. Lindor, Csilla Szabo, Kenneth Offit, Rita Sakr, Mia Gaudet, Jasmine Bhatia, Noah Kauff, Christian F. Singer, Muy-Kheng Tea, Daphne Gschwantler-Kaulich, Anneliese Fink-Retter, Phuong L. Mai, Mark H. Greene, Evgeny Imyanitov, Frances P. O’Malley, Hilmi Ozcelik, Gordon Glendon, Amanda E. Toland, Anne-Marie Gerdes, Mads Thomassen, Torben A. Kruse, Uffe Birk Jensen, Anne-Bine Skytte, Maria A. Caligo, Maria Soller, Karin Henriksson, von Anna Wachenfeldt, Brita Arver, Marie Stenmark-Askmalm, Per Karlsson, Yuan Chun Ding, Susan L. Neuhausen, Mary Beattie, Paul D. P. Pharoah, Kirsten B. Moysich, Katherine L. Nathanson, Beth Y. Karlan, Jenny Gross, Esther M. John, Mary B. Daly, Saundra M. Buys, Melissa C. Southey, John L. Hopper, Mary Beth Terry, Wendy Chung, Alexander F. Miron, David Goldgar, Georgia Chenevix-Trench, Douglas F. Easton, Irene L. Andrulis, Antonis C. Antoniou

Date Published: 1st Dec 2011

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Common variants of the BRCA1 wild-type allele modify the risk of breast cancer in BRCA1 mutation carriers
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

Mutations in the BRCA1 gene substantially increase a woman’s lifetime risk of breast cancer. However, there is great variation in this increase in risk with several genetic and non-genetic modifiers … identified. The BRCA1 protein plays a central role in DNA repair, a mechanism that is particularly instrumental in safeguarding cells against tumorigenesis. We hypothesized that polymorphisms that alter the expression and/or function of BRCA1 carried on the wild-type (non-mutated) copy of the BRCA1 gene would modify the risk of breast cancer in carriers of BRCA1 mutations. A total of 9874 BRCA1 mutation carriers were available in the Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA) for haplotype analyses of BRCA1. Women carrying the rare allele of single nucleotide polymorphism rs16942 on the wild-type copy of BRCA1 were at decreased risk of breast cancer (hazard ratio 0.86, 95% confidence interval 0.77-0.95, P = 0.003). Promoter in vitro assays of the major BRCA1 haplotypes showed that common polymorphisms in the regulatory region alter its activity and that this effect may be attributed to the differential binding affinity of nuclear proteins. In conclusion, variants on the wild-type copy of BRCA1 modify risk of breast cancer among carriers of BRCA1 mutations, possibly by altering the efficiency of BRCA1 transcription.

Authors: David G. Cox, Jacques Simard, Daniel Sinnett, Yosr Hamdi, Penny Soucy, Manon Ouimet, Laure Barjhoux, Carole Verny-Pierre, Lesley McGuffog, Sue Healey, Csilla Szabo, Mark H. Greene, Phuong L. Mai, Irene L. Andrulis, Mads Thomassen, Anne-Marie Gerdes, Maria A. Caligo, Eitan Friedman, Yael Laitman, Bella Kaufman, Shani S. Paluch, Åke Borg, Per Karlsson, Marie Stenmark Askmalm, Gisela Barbany Bustinza, Katherine L. Nathanson, Susan M. Domchek, Timothy R. Rebbeck, Javier Benítez, Ute Hamann, Matti A. Rookus, Ans M. W. van den Ouweland, Margreet G. E. M. Ausems, Cora M. Aalfs, Christi J. van Asperen, Peter Devilee, Hans J. J. P. Gille, Susan Peock, Debra Frost, D. Gareth Evans, Ros Eeles, Louise Izatt, Julian Adlard, Joan Paterson, Jacqueline Eason, Andrew K. Godwin, Marie-Alice Remon, Virginie Moncoutier, Marion Gauthier-Villars, Christine Lasset, Sophie Giraud, Agnès Hardouin, Pascaline Berthet, Hagay Sobol, François Eisinger, Brigitte Bressac de Paillerets, Olivier Caron, Capucine Delnatte, David Goldgar, Alex Miron, Hilmi Ozcelik, Saundra Buys, Melissa C. Southey, Mary Beth Terry, Christian F. Singer, Anne-Catharina Dressler, Muy-Kheng Tea, Thomas v. O. Hansen, Oskar Johannsson, Marion Piedmonte, Gustavo C. Rodriguez, Jack B. Basil, Stephanie Blank, Amanda E. Toland, Marco Montagna, Claudine Isaacs, Ignacio Blanco, Simon A. Gayther, Kirsten B. Moysich, Rita K. Schmutzler, Barbara Wappenschmidt, Christoph Engel, Alfons Meindl, Nina Ditsch, Norbert Arnold, Dieter Niederacher, Christian Sutter, Dorothea Gadzicki, Britta Fiebig, Trinidad Caldes, Rachel Laframboise, Heli Nevanlinna, Xiaoqing Chen, Jonathan Beesley, Amanda B. Spurdle, Susan L. Neuhausen, Yuan C. Ding, Fergus J. Couch, Xianshu Wang, Paolo Peterlongo, Siranoush Manoukian, Loris Bernard, Paolo Radice, Douglas F. Easton, Georgia Chenevix-Trench, Antonis C. Antoniou, Dominique Stoppa-Lyonnet, Sylvie Mazoyer, Olga M. Sinilnikova

Date Published: 1st Dec 2011

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

CNS disease in younger patients with aggressive B-cell lymphoma: an analysis of patients treated on the Mabthera International Trial and trials of the German High-Grade Non-Hodgkin Lymphoma Study Group.
GLA - German Lymphoma Alliance

Abstract (Expand)

BACKGROUND: To describe incidence, risk factors, and influence of treatment on occurrence of central nervous system (CNS) relapse or progression in younger patients with aggressive B-cell lymphoma. … PATIENTS AND METHODS: We analyzed 2210 patients with aggressive B-cell lymphoma treated on various studies for CNS relapse/progression. Treatment consisted of CHOP (cyclophosphamide, doxorubicin, vincristine, and prednisone) +/- etoposide. Six hundred and twenty patients also received rituximab. CNS prophylaxis was intrathecal methotrexate on High-CHOEP and MegaCHOEP phase III studies if upper neck, head, bone marrow, or testes were involved. RESULTS: Fifty-six of 2196 patients (2.6%) developed CNS disease. It occurred early (median 7.0 months), median survival was 5.0 months. Patients with age-adjusted International Prognostic Index (aaIPI) 0 or 1 treated with rituximab showed a low risk for CNS disease (2-year rates: 0% or 0.5%), and rituximab decreased the risk (relative risk 0.3, 95% confidence interval 0.1-0.9, P = 0.029). Patients with aaIPI 2 or 3 showed a moderate risk (4.2%-9.7%) and no significant reduction of CNS disease with rituximab. CNS prophylaxis was of no significant benefit. CONCLUSIONS: In younger patients with aaIPI 0 or 1, CNS relapse/progression is very rare; in patients with aaIPI 2 or 3, the risk is higher (up to 10%) and requires new diagnostic strategies and treatment.

Authors: N. Schmitz, S. Zeynalova, B. Glass, U. Kaiser, E. Cavallin-Stahl, M. Wolf, M. Haenel, M. Loeffler, L. Truemper, M. Pfreundschuh

Date Published: 13th Oct 2011

Publication Type: Not specified

Human Diseases: B-cell lymphoma

CHOP-like chemotherapy with or without rituximab in young patients with good-prognosis diffuse large-B-cell lymphoma: 6-year results of an open-label randomised study of the MabThera International Trial (MInT) Group.
GLA - German Lymphoma Alliance, MMML Demonstrators - Molecular Mechanisms in Malignant Lymphomas - Demonstrators of Personalized Medicine

Abstract (Expand)

BACKGROUND: The MInT study was the first to show improved 3-year outcomes with the addition of rituximab to a CHOP (cyclophosphamide, doxorubicin, vincristine, and prednisone)-like regimen in young … patients with good-prognosis diffuse large-B-cell lymphoma. Extended follow-up was needed to establish long-term effects. METHODS: In the randomised open-label MInT study, patients from 18 countries (aged 18-60 years with none or one risk factor according to the age-adjusted International Prognostic Index [IPI], stage II-IV disease or stage I disease with bulk) were randomly assigned to receive six cycles of a CHOP-like chemotherapy with or without rituximab. Bulky and extranodal sites received additional radiotherapy. Randomisation was done centrally with a computer-based tool and was stratified by centre, bulky disease, age-adjusted IPI, and chemotherapy regimen by use of a modified minimisation algorithm that incorporated a stochastic component. Patients and investigators were not masked to treatment allocation. The primary endpoint was event-free survival. Analyses were by intention to treat. This observational study is a follow-up of the MInT trial, which was stopped in 2003, and is registered at ClinicalTrials.gov, number NCT00400907. FINDINGS: The intention-to-treat population included 410 patients assigned to chemotherapy alone and 413 assigned to chemotherapy plus rituximab. After a median follow-up of 72 months (range 0.03-119), 6-year event-free survival was 55.8% (95% CI 50.4-60.9; 166 events) for patients assigned to chemotherapy alone and 74.3% (69.3-78.6; 98 events) for those assigned to chemotherapy plus rituximab (difference between groups 18.5%, 11.5-25.4, log-rank p<0.0001). Multivariable analyses showed that event-free survival was affected by treatment group, presence of bulky disease, and age-adjusted IPI and that overall survival was affected by treatment group and presence of bulky disease only. After chemotherapy and rituximab, a favourable subgroup (IPI=0, no bulk) could be defined from a less favourable subgroup (IPI=1 or bulk, or both; event-free survival 84.3% [95% CI 74.2-90.7] vs 71.0% [65.1-76.1], log-rank p=0.005). 18 (4.4%, 95% CI 2.6-6.9) second malignancies occurred in the chemotherapy-alone group and 16 (3.9%, 2.2-6.2) in the chemotherapy and rituximab group (Fisher's exact p=0.730). INTERPRETATION: Rituximab added to six cycles of CHOP-like chemotherapy improved long-term outcomes for young patients with good-prognosis diffuse large-B-cell lymphoma. The definition of two prognostic subgroups allows a more refined therapeutic approach to these patients than does assessment by IPI alone. FUNDING: Hoffmann-La Roche.

Authors: M. Pfreundschuh, E. Kuhnt, L. Trumper, A. Osterborg, M. Trneny, L. Shepherd, D. S. Gill, J. Walewski, R. Pettengell, U. Jaeger, P. L. Zinzani, O. Shpilberg, S. Kvaloy, P. de Nully Brown, R. Stahel, N. Milpied, A. Lopez-Guillermo, V. Poeschel, S. Grass, M. Loeffler, N. Murawski

Date Published: 24th Sep 2011

Publication Type: Not specified

Human Diseases: non-Hodgkin lymphoma, diffuse large B-cell lymphoma

Common alleles at 6q25.1 and 1p11.2 are associated with breast cancer risk for BRCA1 and BRCA2 mutation carriers
GC-HBOC - German Consortium for Hereditary Breast and Ovarian Cancer

Abstract (Expand)

Two single nucleotide polymorphisms (SNPs) at 6q25.1, near the ESR1 gene, have been implicated in the susceptibility to breast cancer for Asian (rs2046210) and European women (rs9397435). A genome-wide … association study in Europeans identified two further breast cancer susceptibility variants: rs11249433 at 1p11.2 and rs999737 in RAD51L1 at 14q24.1. Although previously identified breast cancer susceptibility variants have been shown to be associated with breast cancer risk for BRCA1 and BRCA2 mutation carriers, the involvement of these SNPs to breast cancer susceptibility in mutation carriers is currently unknown. To address this, we genotyped these SNPs in BRCA1 and BRCA2 mutation carriers from 42 studies from the Consortium of Investigators of Modifiers of BRCA1/2. In the analysis of 14 123 BRCA1 and 8053 BRCA2 mutation carriers of European ancestry, the 6q25.1 SNPs (r(2) = 0.14) were independently associated with the risk of breast cancer for BRCA1 mutation carriers [hazard ratio (HR) = 1.17, 95% confidence interval (CI): 1.11-1.23, P-trend = 4.5 \times 10(-9) for rs2046210; HR = 1.28, 95% CI: 1.18-1.40, P-trend = 1.3 \times 10(-8) for rs9397435], but only rs9397435 was associated with the risk for BRCA2 carriers (HR = 1.14, 95% CI: 1.01-1.28, P-trend = 0.031). SNP rs11249433 (1p11.2) was associated with the risk of breast cancer for BRCA2 mutation carriers (HR = 1.09, 95% CI: 1.02-1.17, P-trend = 0.015), but was not associated with breast cancer risk for BRCA1 mutation carriers (HR = 0.97, 95% CI: 0.92-1.02, P-trend = 0.20). SNP rs999737 (RAD51L1) was not associated with breast cancer risk for either BRCA1 or BRCA2 mutation carriers (P-trend = 0.27 and 0.30, respectively). The identification of SNPs at 6q25.1 associated with breast cancer risk for BRCA1 mutation carriers will lead to a better understanding of the biology of tumour development in these women.

Authors: Antonis C. Antoniou, Christiana Kartsonaki, Olga M. Sinilnikova, Penny Soucy, Lesley McGuffog, Sue Healey, Andrew Lee, Paolo Peterlongo, Siranoush Manoukian, Bernard Peissel, Daniela Zaffaroni, Elisa Cattaneo, Monica Barile, Valeria Pensotti, Barbara Pasini, Riccardo Dolcetti, Giuseppe Giannini, Anna Laura Putignano, Liliana Varesco, Paolo Radice, Phuong L. Mai, Mark H. Greene, Irene L. Andrulis, Gord Glendon, Hilmi Ozcelik, Mads Thomassen, Anne-Marie Gerdes, Torben A. Kruse, Uffe Birk Jensen, Dorthe G. Crüger, Maria A. Caligo, Yael Laitman, Roni Milgrom, Bella Kaufman, Shani Paluch-Shimon, Eitan Friedman, Niklas Loman, Katja Harbst, Annika Lindblom, Brita Arver, Hans Ehrencrona, Beatrice Melin, Katherine L. Nathanson, Susan M. Domchek, Timothy Rebbeck, Ania Jakubowska, Jan Lubinski, Jacek Gronwald, Tomasz Huzarski, Tomasz Byrski, Cezary Cybulski, Bohdan Gorski, Ana Osorio, Teresa Ramón y Cajal, Florentia Fostira, Raquel Andrés, Javier Benitez, Ute Hamann, Frans B. Hogervorst, Matti A. Rookus, Maartje J. Hooning, Marcel R. Nelen, Rob B. van der Luijt, Theo A. M. van Os, Christi J. van Asperen, Peter Devilee, Hanne E. J. Meijers-Heijboer, Encarna B. Gómez Garcia, Susan Peock, Margaret Cook, Debra Frost, Radka Platte, Jean Leyland, D. Gareth Evans, Fiona Lalloo, Ros Eeles, Louise Izatt, Julian Adlard, Rosemarie Davidson, Diana Eccles, Kai-Ren Ong, Jackie Cook, Fiona Douglas, Joan Paterson, M. John Kennedy, Zosia Miedzybrodzka, Andrew Godwin, Dominique Stoppa-Lyonnet, Bruno Buecher, Muriel Belotti, Carole Tirapo, Sylvie Mazoyer, Laure Barjhoux, Christine Lasset, Dominique Leroux, Laurence Faivre, Myriam Bronner, Fabienne Prieur, Catherine Nogues, Etienne Rouleau, Pascal Pujol, Isabelle Coupier, Marc Frénay, John L. Hopper, Mary B. Daly, Mary B. Terry, Esther M. John, Saundra S. Buys, Yosuf Yassin, Alexander Miron, David Goldgar, Christian F. Singer, Muy-Kheng Tea, Georg Pfeiler, Anne Catharina Dressler, Thomas v. O. Hansen, Lars Jønson, Bent Ejlertsen, Rosa Bjork Barkardottir, Tomas Kirchhoff, Kenneth Offit, Marion Piedmonte, Gustavo Rodriguez, Laurie Small, John Boggess, Stephanie Blank, Jack Basil, Masoud Azodi, Amanda Ewart Toland, Marco Montagna, Silvia Tognazzo, Simona Agata, Evgeny Imyanitov, Ramunas Janavicius, Conxi Lazaro, Ignacio Blanco, Paul D. P. Pharoah, Lara Sucheston, Beth Y. Karlan, Christine S. Walsh, Edith Olah, Aniko Bozsik, Soo-Hwang Teo, Joyce L. Seldon, Mary S. Beattie, Elizabeth J. van Rensburg, Michelle D. Sluiter, Orland Diez, Rita K. Schmutzler, Barbara Wappenschmidt, Christoph Engel, Alfons Meindl, Ina Ruehl, Raymonda Varon-Mateeva, Karin Kast, Helmut Deissler, Dieter Niederacher, Norbert Arnold, Dorothea Gadzicki, Ines Schönbuchner, Trinidad Caldes, Miguel de La Hoya, Heli Nevanlinna, Kristiina Aittomäki, Martine Dumont, Jocelyne Chiquette, Marc Tischkowitz, Xiaoqing Chen, Jonathan Beesley, Amanda B. Spurdle, Susan L. Neuhausen, Yuan Chun Ding, Zachary Fredericksen, Xianshu Wang, Vernon S. Pankratz, Fergus Couch, Jacques Simard, Douglas F. Easton, Georgia Chenevix-Trench

Date Published: 15th Aug 2011

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Randomized comparison of pegfilgrastim day 4 versus day 2 for the prevention of chemotherapy-induced leukocytopenia.
GLA - German Lymphoma Alliance

Abstract (Expand)

BACKGROUND: To study the effects of deferring pegfilgrastim until day 4 on the reduction of chemotherapy-induced leukocytopenia. PATIENTS AND METHODS: Patients of age 61-80 years with aggressive lymphoma … were randomly assigned to receive 6 mg pegfilgrastim on day 2 or 4 of a 2-week chemotherapy regimen (R-CHOP-14). RESULTS: Two hundred and ninety-two and 313 chemotherapy cycles were evaluable in 103 patients. Post-nadir pegfilgrastim serum levels were higher after day 4 than after day 2 application. This was associated with an attenuated leukocyte nadir after day 4 pegfilgrastim and there were fewer days with leukocytes <2 x 10(3)/mm(3) compared with day 2 pegfilgrastim. Grade 3 and 4 leukocytopenias (70% versus 43.3%; P < 0.001) and grade 4-only leukocytopenias (47% versus 20.5%; P < 0.001) were more frequent after day 2 pegfilgrastim. There were more chemotherapy cycles with grade 3 and 4 infections after day 2 than day 4 pegfilgrastim (9.4% versus 6.0%; P = 0.118). Interventional antibiotics were given more often after day 2 than after day 4 pegfilgrastim (30.7% versus 21.9% of cycles; P = 0.008). There were five deaths during leukocytopenia after day 2 and none after day 4 pegfilgrastim (P = 0.027). CONCLUSIONS: Administration of pegfilgrastim on day 4 was more effective in reducing severe leukocytopenias and resulted in fewer deaths during leukocytopenia. Pegfilgrastim should be given on day 4 to better exploit its myeloprotective potential.

Authors: C. Zwick, F. Hartmann, S. Zeynalova, V. Poschel, C. Nickenig, M. Reiser, E. Lengfelder, N. Peter, G. Schlimok, J. Schubert, N. Schmitz, M. Loeffler, M. Pfreundschuh

Date Published: 5th Feb 2011

Publication Type: Not specified

Human Diseases: non-Hodgkin lymphoma

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