B-cell lymphoma

Details about this human disease

Synonyms (1)

B-cell lymphocytic neoplasm


Definitions (1)

A non-Hodgkin lymphoma that has_material_basis_in B cells.


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Related items

MMML Demonstrators - Molecular Mechanisms in Malignant Lymphomas - Demonstrators of Personalized Medicine

The joint project "MMML Demonstrators" deals with improvements in the diagnosis and therapy of lymphoma and consists of seven subprojects. In lymphoma, the so-called diffuse large cell B-cell lymphomas (DLBCL) are responsible for the highest number of deaths. Although the disease is curable in principle, approximately one third of patients still die. However, the expression of certain genes in tumor cells and surrounding tissues can be used to diagnose certain subgroups of these tumors and, in ...

Programme: This Project is not associated with a Programme

Public web page: https://www.sys-med.de/de/demonstratoren/mmml-demonstrators/

Start date: 1st Jan 2015

End date: 31st Dec 2018

GLA - German Lymphoma Alliance

B-cell lymphoma is the most frequent lymphoid neoplasia accounting for one third of all lymphomas. R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine and prednisolone) is the current treatment standard, leading to high cure rates especially in younger patients. Although the 3-year event-free survival is about 60% even for elderly patients between 60-80 years old, the remainder of patients eventually relapse and the majority die of their disease. The German Non-Hodgkin's Lymphoma Study ...

Programme: NHL

Public web page: https://www.dshnhl.org

e:Med

e:Med has the objective of establishing systems medicine in Germany. e:Med promotes system-oriented research into diseases in order to facilitate improved prevention, more comprehensive diagnostics and individually adjusted therapy schemes in individualized medicine. The program brings together scientists with molecular-genetic, clinical, mathematical and information technology expertise, with the objective of ensuring that research results quickly benefit patients.

Programme: Default Programme

Public web page: https://www.sys-med.de/en/

HaematoSys - Systems biology of haematopoiesis and haematopoietic neoplasia

In the interdisciplinary consortium HaematoSys partners from leading clinical haematooncological study groups, pathologists, geneticists, cell biologists as well as mathematicians, statisticians and bioinformaticians have joined forces.

Programme: NHL

Public web page: https://www.haematosys.de

SMARTE-R-CHOP-14 trial data
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival) Sample Size: 189

Submitter: René Hänsel

Resource type: Experimental Assay Type

Technology type: Technology Type

Investigation: SMARTE-R-CHOP-14

Study: SMARTE-R-CHOP-14

SMARTE-R-CHOP-14 metadata
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival) Sample Size: 189

Submitter: René Hänsel

Resource type: Experimental Assay Type

Technology type: Technology Type

Investigation: SMARTE-R-CHOP-14

Study: SMARTE-R-CHOP-14

SEXIE-R-CHOP-14 trial data
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival) Sample Size: 268

Submitter: René Hänsel

Resource type: Experimental Assay Type

Technology type: Technology Type

Investigation: SEXIE-R-CHOP-14

Study: SEXIE-R-CHOP-14

SEXIE-R-CHOP-14 metadata
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival) Sample Size: 268

Submitter: René Hänsel

Resource type: Experimental Assay Type

Technology type: Technology Type

Investigation: SEXIE-R-CHOP-14

Study: SEXIE-R-CHOP-14

RICOVER-noRTh trial data
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

Submitter: René Hänsel

Resource type: Experimental Assay Type

Technology type: Technology Type

Investigation: RICOVER-noRTh

Study: RICOVER-noRTh

RICOVER-noRTh metadata
GLA - German Lymphoma Alliance
No description specified

Submitter: René Hänsel

Resource type: Experimental Assay Type

Technology type: Technology Type

Investigation: RICOVER-noRTh

Study: RICOVER-noRTh

RICOVER-60 trial metadata
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

Submitter: René Hänsel

Resource type: Experimental Assay Type

Technology type: Technology Type

Investigation: RICOVER-60

Study: RICOVER-60

RICOVER-60 trial data
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

Submitter: René Hänsel

Resource type: Experimental Assay Type

Technology type: Technology Type

Investigation: RICOVER-60

Study: RICOVER-60

Pegfilgrastim trial data
GLA - German Lymphoma Alliance
No description specified

Submitter: René Hänsel

Resource type: Experimental Assay Type

Technology type: Technology Type

Investigation: Pegfilgrastim

Study: Pegfilgrastim

Pegfilgrastim metadata
GLA - German Lymphoma Alliance
No description specified

Submitter: René Hänsel

Resource type: Experimental Assay Type

Technology type: Technology Type

Investigation: Pegfilgrastim

Study: Pegfilgrastim

An image dataset related to automated macrophage detection in immunostained lymphoma tissue samples
MMML Demonstrators - Molecular Mechanisms in Malignant Lymphomas - Demonstrators of Personalized Medicine

Abstract (Expand)

A large set of IHC stained DLBCL specimens is provided together with segmentation masks for different cell populations generated by a reference method for automated image analysis, thus featuring … considerable reuse potential. Provided image data comprise a) fluorescence microscopy images of 44 multiple immunohistostained DLBCL tumor subregions, captured at four channels corresponding to CD14, CD163, Pax5 and DAPI; b) cartoon-filtered versions of these images, generated by Rudin-Osher-Fatemi (ROF) denoising; c) an automatically generated mask of the evaluation subregion, based on information from the DAPI channel, and d) automatically generated segmentation masks for macrophages, B-cells and the total of cell nuclei, using information from CD14, CD163, Pax5 and DAPI channels, respectively.

Authors: Marcus Wagner, Sarah Reinke, René Hänsel, Wolfram Klapper, Ulf-Dietrich Braumann

Date Published: 12th Mar 2020

Publication Type: Journal article

Human Diseases: diffuse large B-cell lymphoma

Four versus six cycles of CHOP chemotherapy in combination with six applications of rituximab in patients with aggressive B-cell lymphoma with favourable prognosis (FLYER): a randomised, phase 3, non-inferiority trial.
GLA - German Lymphoma Alliance

Abstract (Expand)

BACKGROUND: Six cycles of R-CHOP (rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone) are the standard treatment for aggressive B-cell non-Hodgkin lymphoma. In the FLYER trial, … we assessed whether four cycles of CHOP plus six applications of rituximab are non-inferior to six cycles of R-CHOP in a population of patients with B-cell non-Hodgkin lymphoma with favourable prognosis. METHODS: This two-arm, open-label, international, multicentre, prospective, randomised phase 3 non-inferiority trial was done at 138 clinical sites in Denmark, Israel, Italy, Norway, and Germany. We enrolled patients aged 18-60 years, with stage I-II disease, normal serum lactate dehydrogenase concentration, ECOG performance status 0-1, and without bulky disease (maximal tumour diameter <7.5 cm). Randomisation was computer-based and done centrally in a 1:1 ratio using the Pocock minimisation algorithm after stratification for centres, stage (I vs II), and extralymphatic sites (no vs yes). Patients were assigned to receive either six cycles of R-CHOP or four cycles of R-CHOP plus two doses of rituximab. CHOP comprised cyclophosphamide (750 mg/m(2)), doxorubicin (50 mg/m(2)), and vincristine (1.4 mg/m(2), with a maximum total dose of 2 mg), all administered intravenously on day 1, plus oral prednisone or prednisolone at the discretion of the investigator (100 mg) administered on days 1-5. Rituximab was given at a dose of 375 mg/m(2) of body surface area. Cycles were repeated every 21 days. No radiotherapy was planned except for testicular lymphoma treatment. The primary endpoint was progression-free survival after 3 years. The primary analysis was done in the intention-to-treat population. Safety was assessed in all patients who received at least one dose of assigned treatment. A non-inferiority margin of -5.5% was chosen. The trial, which is completed, was prospectively registered at ClinicalTrials.gov, NCT00278421. FINDINGS: Between Dec 2, 2005, and Oct 7, 2016, 592 patients were enrolled, of whom 295 patients were randomly assigned to receive six cycles of R-CHOP and 297 were assigned to receive four cycles of R-CHOP plus two doses of rituximab. Four patients in the four-cycles group withdrew informed consent before the start of treatment, so 588 patients were included in the intention-to-treat analysis. After a median follow-up of 66 months (IQR 42-100), 3-year progression-free survival of patients who had four cycles of R-CHOP plus two doses of rituximab was 96% (95% CI 94-99), which was 3% better (lower limit of the one-sided 95% CI for the difference was 0%) than six cycles of R-CHOP, demonstrating the non-inferiority of the four-cycles regimen. 294 haematological and 1036 non-haematological adverse events were documented in the four-cycles group compared with 426 haematological and 1280 non-haematological adverse events in the six-cycles group. Two patients, both in the six-cycles group, died during study therapy. INTERPRETATION: In young patients with aggressive B-cell non-Hodgkin lymphoma and favourable prognosis, four cycles of R-CHOP is non-inferior to six cycles of R-CHOP, with relevant reduction of toxic effects. Thus, chemotherapy can be reduced without compromising outcomes in this population. FUNDING: Deutsche Krebshilfe.

Authors: V. Poeschel, G. Held, M. Ziepert, M. Witzens-Harig, H. Holte, L. Thurner, P. Borchmann, A. Viardot, M. Soekler, U. Keller, C. Schmidt, L. Truemper, R. Mahlberg, R. Marks, H. G. Hoeffkes, B. Metzner, J. Dierlamm, N. Frickhofen, M. Haenel, A. Neubauer, M. Kneba, F. Merli, A. Tucci, P. de Nully Brown, M. Federico, E. Lengfelder, A. di Rocco, R. Trappe, A. Rosenwald, C. Berdel, M. Maisenhoelder, O. Shpilberg, J. Amam, K. Christofyllakis, F. Hartmann, N. Murawski, S. Stilgenbauer, M. Nickelsen, G. Wulf, B. Glass, N. Schmitz, B. Altmann, M. Loeffler, M. Pfreundschuh

Date Published: 21st Dec 2019

Publication Type: Journal article

Human Diseases: lymphoma, diffuse large B-cell lymphoma

A modular transcriptome map of mature B cell lymphomas.
GLA - German Lymphoma Alliance, MMML-MYC-SYS, oBIG - omics Bioinformatics for Health

Abstract (Expand)

BACKGROUND: Germinal center-derived B cell lymphomas are tumors of the lymphoid tissues representing one of the most heterogeneous malignancies. Here we characterize the variety of transcriptomic … phenotypes of this disease based on 873 biopsy specimens collected in the German Cancer Aid MMML (Molecular Mechanisms in Malignant Lymphoma) consortium. They include diffuse large B cell lymphoma (DLBCL), follicular lymphoma (FL), Burkitt's lymphoma, mixed FL/DLBCL lymphomas, primary mediastinal large B cell lymphoma, multiple myeloma, IRF4-rearranged large cell lymphoma, MYC-negative Burkitt-like lymphoma with chr. 11q aberration and mantle cell lymphoma. METHODS: We apply self-organizing map (SOM) machine learning to microarray-derived expression data to generate a holistic view on the transcriptome landscape of lymphomas, to describe the multidimensional nature of gene regulation and to pursue a modular view on co-expression. Expression data were complemented by pathological, genetic and clinical characteristics. RESULTS: We present a transcriptome map of B cell lymphomas that allows visual comparison between the SOM portraits of different lymphoma strata and individual cases. It decomposes into one dozen modules of co-expressed genes related to different functional categories, to genetic defects and to the pathogenesis of lymphomas. On a molecular level, this disease rather forms a continuum of expression states than clearly separated phenotypes. We introduced the concept of combinatorial pattern types (PATs) that stratifies the lymphomas into nine PAT groups and, on a coarser level, into five prominent cancer hallmark types with proliferation, inflammation and stroma signatures. Inflammation signatures in combination with healthy B cell and tonsil characteristics associate with better overall survival rates, while proliferation in combination with inflammation and plasma cell characteristics worsens it. A phenotypic similarity tree is presented that reveals possible progression paths along the transcriptional dimensions. Our analysis provided a novel look on the transition range between FL and DLBCL, on DLBCL with poor prognosis showing expression patterns resembling that of Burkitt's lymphoma and particularly on 'double-hit' MYC and BCL2 transformed lymphomas. CONCLUSIONS: The transcriptome map provides a tool that aggregates, refines and visualizes the data collected in the MMML study and interprets them in the light of previous knowledge to provide orientation and support in current and future studies on lymphomas and on other cancer entities.

Authors: H. Loeffler-Wirth, M. Kreuz, L. Hopp, A. Arakelyan, A. Haake, S. B. Cogliatti, A. C. Feller, M. L. Hansmann, D. Lenze, P. Moller, H. K. Muller-Hermelink, E. Fortenbacher, E. Willscher, G. Ott, A. Rosenwald, C. Pott, C. Schwaenen, H. Trautmann, S. Wessendorf, H. Stein, M. Szczepanowski, L. Trumper, M. Hummel, W. Klapper, R. Siebert, M. Loeffler, H. Binder

Date Published: 30th Apr 2019

Publication Type: Not specified

Human Diseases: B-cell lymphoma, diffuse large B-cell lymphoma, follicular lymphoma, Burkitt lymphoma

Genomic and transcriptomic changes complement each other in the pathogenesis of sporadic Burkitt lymphoma.
MMML - Molecular mechanisms in malignant lymphoma

Abstract (Expand)

Burkitt lymphoma (BL) is the most common B-cell lymphoma in children. Within the International Cancer Genome Consortium (ICGC), we performed whole genome and transcriptome sequencing of 39 sporadic BL. … Here, we unravel interaction of structural, mutational, and transcriptional changes, which contribute to MYC oncogene dysregulation together with the pathognomonic IG-MYC translocation. Moreover, by mapping IGH translocation breakpoints, we provide evidence that the precursor of at least a subset of BL is a B-cell poised to express IGHA. We describe the landscape of mutations, structural variants, and mutational processes, and identified a series of driver genes in the pathogenesis of BL, which can be targeted by various mechanisms, including IG-non MYC translocations, germline and somatic mutations, fusion transcripts, and alternative splicing.

Authors: C. Lopez, K. Kleinheinz, S. M. Aukema, M. Rohde, S. H. Bernhart, D. Hubschmann, R. Wagener, U. H. Toprak, F. Raimondi, M. Kreuz, S. M. Waszak, Z. Huang, L. Sieverling, N. Paramasivam, J. Seufert, S. Sungalee, R. B. Russell, J. Bausinger, H. Kretzmer, O. Ammerpohl, A. K. Bergmann, H. Binder, A. Borkhardt, B. Brors, A. Claviez, G. Doose, L. Feuerbach, A. Haake, M. L. Hansmann, J. Hoell, M. Hummel, J. O. Korbel, C. Lawerenz, D. Lenze, B. Radlwimmer, J. Richter, P. Rosenstiel, A. Rosenwald, M. B. Schilhabel, H. Stein, S. Stilgenbauer, P. F. Stadler, M. Szczepanowski, M. A. Weniger, M. Zapatka, R. Eils, P. Lichter, M. Loeffler, P. Moller, L. Trumper, W. Klapper, S. Hoffmann, R. Kuppers, B. Burkhardt, M. Schlesner, R. Siebert

Date Published: 29th Mar 2019

Publication Type: Not specified

Human Diseases: lymphoma, Burkitt lymphoma

Progression-Free Survival as a Surrogate End Point for Overall Survival in First-Line Diffuse Large B-Cell Lymphoma: An Individual Patient-Level Analysis of Multiple Randomized Trials (SEAL).
GLA - German Lymphoma Alliance

Abstract (Expand)

Purpose Overall survival (OS) is the definitive and best-established primary efficacy end point to evaluate diffuse large B-cell lymphoma (DLBCL) therapies, but it requires prolonged follow-up. An … earlier end point assessed post-treatment would expedite clinical trial conduct and accelerate patient access to effective new therapies. Our objective was to formally evaluate progression-free survival (PFS) and PFS at 24 months (PFS24) as surrogate end points for OS in first-line DLBCL. Patients and Methods Individual patient data were analyzed from 7,507 patients from 13 multicenter randomized controlled trials of active treatment in previously untreated DLBCL, published after 2002, with sufficient PFS data to predict treatment effects on OS. Trial-level surrogacy examining the correlation of treatment effect estimates of PFS/PFS24 and OS was evaluated using both linear regression ( R(2)WLS) and Copula bivariable ( R(2)Copula) models. Prespecified criteria for surrogacy required either R(2)WLS or R(2)Copula >/= 0.80 and neither < 0.7, with lower-bound 95% CI > 0.60. Results Trial-level surrogacy for PFS was strong ( R(2)WLS = 0.83; R(2)Copula = 0.85) and met the predefined criteria for surrogacy. At the patient level, PFS strongly correlated with OS. The surrogate threshold effect had a hazard ratio of 0.89. Surrogacy was consistent across comparisons with or without rituximab and with rituximab maintenance trials. Trial-level surrogacy for PFS24 was relatively strong ( R(2)WLS = 0.77; R(2)Copula = 0.78) but did not meet prespecified criteria. At the patient level, PFS24 significantly correlated with OS. The surrogate threshold effect had an odds ratio of 1.51. Conclusion This large pooled analysis of individual patient data supports PFS as a surrogate end point for OS in future randomized controlled trials evaluating chemoimmunotherapy in DLBCL. Use of this end point may expedite therapeutic development with the intent of bringing novel therapies to this patient population years before OS results are mature.

Authors: Q. Shi, N. Schmitz, F. S. Ou, J. G. Dixon, D. Cunningham, M. Pfreundschuh, J. F. Seymour, U. Jaeger, T. M. Habermann, C. Haioun, H. Tilly, H. Ghesquieres, F. Merli, M. Ziepert, R. Herbrecht, J. Flament, T. Fu, B. Coiffier, C. R. Flowers

Date Published: 1st Sep 2018

Publication Type: Not specified

Human Diseases: diffuse large B-cell lymphoma

Progression-free survival at 24 months (PFS24) and subsequent outcome for patients with diffuse large B-cell lymphoma (DLBCL) enrolled on randomized clinical trials.
GLA - German Lymphoma Alliance

Abstract (Expand)

Background: Patients with diffuse large B-cell lymphoma treated with first-line anthracycline-based immunochemotherapy and remaining in remission at 2 years have excellent outcomes. This study assessed … overall survival (OS) stratified by progression-free survival (PFS) at 24 months (PFS24) using individual patient data from patients with DLBCL enrolled in multi-center, international randomized clinical trials as part of the Surrogate Endpoint for Aggressive Lymphoma (SEAL) Collaboration. Patients and methods: PFS24 was defined as being alive and PFS24 after study entry. OS from PFS24 was defined as time from identified PFS24 status until death due to any cause. OS was compared with each patient's age-, sex-, and country-matched general population using expected survival and standardized mortality ratios (SMRs). Results: A total of 5853 patients enrolled in trials in the SEAL database received rituximab as part of induction therapy and were included in this analysis. The median age was 62 years (range 18-92), and 56% were greater than 60 years of age. At a median follow-up of 4.4 years, 1337 patients (23%) had disease progression, 1489 (25%) had died, and 5101 had sufficient follow-up to evaluate PFS24. A total of 1423 assessable patients failed to achieve PFS24 with a median OS of 7.2 months (95% CI 6.8-8.1) after progression; 5-year OS after progression was 19% and SMR was 32.1 (95% CI 30.0-34.4). A total of 3678 patients achieved PFS24; SMR after achieving PFS24 was 1.22 (95% CI 1.09-1.37). The observed OS versus expected OS at 3, 5, and 7 years after achieving PFS24 was 93.1% versus 94.4%, 87.6% versus 89.5%, and 80.0% versus 83.7%, respectively. Conclusion: Patients treated with rituximab containing anthracycline-based immunochemotherapy on clinical trials who are alive without progression at 24 months from the onset of initial therapy have excellent outcomes with survival that is marginally lower but clinically indistinguishable from the age-, sex-, and country-matched background population for 7 years after achieving PFS24.

Authors: M. J. Maurer, T. M. Habermann, Q. Shi, N. Schmitz, D. Cunningham, M. Pfreundschuh, J. F. Seymour, U. Jaeger, C. Haioun, H. Tilly, H. Ghesquieres, F. Merli, M. Ziepert, R. Herbrecht, J. Flament, T. Fu, C. R. Flowers, B. Coiffier

Date Published: 1st Aug 2018

Publication Type: Not specified

Human Diseases: diffuse large B-cell lymphoma

Molecular subtypes of diffuse large B cell lymphoma are associated with distinct pathogenic mechanisms and outcomes.
GLA - German Lymphoma Alliance

Abstract (Expand)

Diffuse large B cell lymphoma (DLBCL), the most common lymphoid malignancy in adults, is a clinically and genetically heterogeneous disease that is further classified into transcriptionally defined … activated B cell (ABC) and germinal center B cell (GCB) subtypes. We carried out a comprehensive genetic analysis of 304 primary DLBCLs and identified low-frequency alterations, captured recurrent mutations, somatic copy number alterations, and structural variants, and defined coordinate signatures in patients with available outcome data. We integrated these genetic drivers using consensus clustering and identified five robust DLBCL subsets, including a previously unrecognized group of low-risk ABC-DLBCLs of extrafollicular/marginal zone origin; two distinct subsets of GCB-DLBCLs with different outcomes and targetable alterations; and an ABC/GCB-independent group with biallelic inactivation of TP53, CDKN2A loss, and associated genomic instability. The genetic features of the newly characterized subsets, their mutational signatures, and the temporal ordering of identified alterations provide new insights into DLBCL pathogenesis. The coordinate genetic signatures also predict outcome independent of the clinical International Prognostic Index and suggest new combination treatment strategies. More broadly, our results provide a roadmap for an actionable DLBCL classification.

Authors: B. Chapuy, C. Stewart, A. J. Dunford, J. Kim, A. Kamburov, R. A. Redd, M. S. Lawrence, M. G. M. Roemer, A. J. Li, M. Ziepert, A. M. Staiger, J. A. Wala, M. D. Ducar, I. Leshchiner, E. Rheinbay, A. Taylor-Weiner, C. A. Coughlin, J. M. Hess, C. S. Pedamallu, D. Livitz, D. Rosebrock, M. Rosenberg, A. A. Tracy, H. Horn, P. van Hummelen, A. L. Feldman, B. K. Link, A. J. Novak, J. R. Cerhan, T. M. Habermann, R. Siebert, A. Rosenwald, A. R. Thorner, M. L. Meyerson, T. R. Golub, R. Beroukhim, G. G. Wulf, G. Ott, S. J. Rodig, S. Monti, D. S. Neuberg, M. Loeffler, M. Pfreundschuh, L. Trumper, G. Getz, M. A. Shipp

Date Published: 2nd May 2018

Publication Type: Not specified

Human Diseases: diffuse large B-cell lymphoma

Obesity negatively impacts outcome in elderly female patients with aggressive B-cell lymphomas treated with R-CHOP: results from prospective trials of the German high grade non-Hodgkin's lymphoma trial group.
GLA - German Lymphoma Alliance

Abstract (Expand)

To study if obesity is a risk factor in elderly patients (>60 years) with aggressive B-cell lymphoma, the outcomes of 576 elderly patients treated with rituximab in the RICOVER-60 trial were analysed … in a retrospective study with regard to body mass index (BMI) and gender. Of the 576 patients, 1% had low body weight (BMI < 18.5), 38% were normal weight (18.5 </= BMI < 25), 42% were overweight (25 </= BMI < 30) and 19% were obese (BMI >/= 30). Event-free (EFS), progression-free (PFS) and overall survival (OS) according to BMI showed no significant differences for all and for male patients. EFS (P = 0.041), PFS (P = 0.038) and OS (P = 0.031) were significantly better for female non-obese patients. A multivariate analysis adjusted for International Prognostic Index risk factors confirmed these results, with the following hazard ratios (HR) for obesity (BMI >/= 30) for EFS/PFS/OS: all patients - 1.4/1.4/1.4 (not significant); male patients - 1.2/1.2/1.0 (not significant) and female patients - 1.7 (P = 0.032)/1.9 (P = 0.022)/2.0 (P = 0.017). In conclusion, obesity is a risk factor that influences treatment outcome in elderly female patients with aggressive B-cell lymphoma treated with R-CHOP (rituximab + cyclophosphamide, doxorubicin, vincristine, prednisolone). The inferior outcomes in obese female patients may be due to faster rituximab clearance in obese females.

Authors: K. Hohloch, B. Altmann, M. Pfreundschuh, M. Loeffler, N. Schmitz, F. Zettl, M. Ziepert, L. Trumper

Date Published: 2nd Dec 2017

Publication Type: Not specified

Human Diseases: obesity, B-cell lymphoma

Refractory or relapsed aggressive B-cell lymphoma failing (R)-CHOP: an analysis of patients treated on the RICOVER-60 trial.
GLA - German Lymphoma Alliance

Abstract (Expand)

Background: The prognosis of elderly patients with aggressive B-non-Hodgkin's lymphoma after first lymphoma-related treatment failure (TF-L) is not well described. Methods: We analysed patient … characteristics including the presence of MYC rearrangements and MYC-expression immunohistochemistry (IHC) at diagnosis and modalities of salvage therapy and their impact on the prognosis of patients between 61 and 80 years who had been treated on the RICOVER-60 trial. Results: TF-L occurred in 301 of the 1222 (24.6%) patients; 297 patients could be analysed. Prognosis was extremely poor in patients with primary progressive disease or early relapse (</=12 months) with median survivals of 3.3 and 6.4 months. Survival after TF-L was significantly lower in patients pretreated with R-CHOP compared with CHOP (23.0% versus 36.4% at 2 years, P = 0.016). In patients with MYC translocation at diagnosis Rituximab reduced the risk of TF-L from 58.8% to 26.3%. Survival after TF-L was significant longer for patients after CHOP without MYC translocations (31.8% versus 0% at 2 years, P < 0.001) or negative MYC-IHC (41.0% versus 16.8% at 2 years, P = 0.017) but not after R-CHOP. 224 patients (75.4%) received salvage therapy. Rituximab was part of salvage therapy in 57.4% and improved 2-year survival rate from 20.7% to 46.8% (P < 0.001). The benefit of R was significant after first-line CHOP [2-year overall survival (OS) 49.6% versus 19.1%, P < 0.001] as well as after R-CHOP (2-year OS 33.1% and 22.5%, P = 0.034). For patients pretreated with R-CHOP long-term survival was below 15% regardless of the treatment chosen. Conclusion: MYC rearrangement and IHC are adverse prognostic factors after TF-L for CHOP treated patients, rituximab as part of first-line therapy reduced the effects of MYC-break. Rituximab improves results of any type of salvage therapy; however, survival after progression/relapse of aggressive B-cell lymphoma in elderly patients pretreated with (R)-CHOP is poor regardless of treatment chosen.

Authors: B. Glass, A. J. Dohm, L. H. Truemper, M. Pfreundschuh, A. Bleckmann, G. G. Wulf, A. Rosenwald, M. Ziepert, N. Schmitz

Date Published: 1st Dec 2017

Publication Type: Not specified

Human Diseases: B-cell lymphoma

Optimization of rituximab for the treatment of DLBCL: increasing the dose for elderly male patients.
GLA - German Lymphoma Alliance

Abstract (Expand)

Male sex is associated with unfavourable pharmacokinetics and prognosis in elderly patients with diffuse large B-cell lymphoma (DLBCL). We investigated higher rituximab doses for elderly male DLBCL … patients. Elderly patients (61-80 years) received 6 cycles CHOP-14 (cyclophosphamide, doxorubicin, vincristine and prednisone at 14-day intervals) and were randomized to 8 cycles rituximab (males 500 mg/m(2) , females 375 mg/m(2) ) every 2 weeks or according to an upfront dose-dense schedule. In 268 (120 females, 148 males) no difference between the standard and the upfront dose-dense rituximab schedule was found (3-year PFS 72% vs. 74%; OS 74% vs. 77%; P = 0.651). The 500 mg/m(2) dose of rituximab for male patients was associated with serum levels and exposure times slightly better than in females and a male/female hazard ratio of 0.9 for progression-free survival (PFS) and 0.8 for overall survival. For elderly males, 500 mg/m(2) was not more toxic than 375 mg/m(2) rituximab, but improved PFS by 32.5% (P = 0.039), with a trend for a (30%) better overall survival (P = 0.076) in a planned subgroup analysis adjusting for International Prognostic Index risk factors. We conclude that the higher rituximab dose for elderly male patients abrogated the adverse prognosis of male sex without increasing toxicity. In the era of personalized medicine, sex-specific pharmacokinetics and toxicities should be investigated for all drugs where these parameters impact on outcome.

Authors: M. Pfreundschuh, N. Murawski, S. Zeynalova, M. Ziepert, M. Loeffler, M. Hanel, J. Dierlamm, U. Keller, M. Dreyling, L. Truemper, N. Frickhofen, A. N. Hunerliturkoglu, N. Schmitz, V. Poschel, T. Rixecker, C. Berdel, C. Rube, G. Held, C. Zwick

Date Published: 11th Oct 2017

Publication Type: Not specified

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

Expression Data from Malignant Lymphoma
MMML-MYC-SYS

We performed gene-expression profiling using Affymetrix U133A GeneChips with RNA from 220 mature aggressive B-cell lymphomas, including a core group of 8 Burkitt's lymphomas that met all World Health Organization (WHO) criteria. A molecular signature for Burkitt's lymphoma was generated, and chromosomal abnormalities were detected with interphase fluorescence in situ hybridization and array-based comparative genomic hybridization.

Creator: Michael Hummel

Submitter: Christoph Beger

Data file type: Genomic Data

Human Diseases: B-cell lymphoma

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Massive Transcriptional Perturbation in Subgroups of Diffuse Large B-cell Lymphomas
MMML-MYC-SYS

Based on the assumption that molecular mechanisms involved in cancerogenesis are characterized by groups of coordinately expressed genes, we developed and validated a novel method for analyzing transcriptional data called Correlated Gene Set Analysis (CGSA). Using 50 extracted gene sets we identified three different profiles of tumors in a cohort of 364 Diffuse large B-cell (DLBCL) and related mature aggressive B-cell lymphomas other than Burkitt lymphoma. The first profile had high level of ...

Creator: Maciej Rosolowski

Submitter: Christoph Beger

Data file type: Transcriptomic Data

Human Diseases: diffuse large B-cell lymphoma

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MabThera International Trial Metadata (ODM)
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

This file contains the metadata of the MInT study formatted as CDISC ODM.

Creator: Marita Ziepert

Submitter: Christoph Beger

Data file type: ODM Data

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

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MabThera International Trial Data (ODM)
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

MInT study result data as CIDISC ODM

Creator: Marita Ziepert

Submitter: Christoph Beger

Data file type: ODM Data

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

MegaCHOEP Trial Result Data (ODM)
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

Trial data as CDISC ODM file

Creator: Marita Ziepert

Submitter: Christoph Beger

Data file type: ODM Data

Human Diseases: B-cell lymphoma

MegaCHOEP Trial Result Metadata (ODM)
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

Trial data as CDISC ODM file

Creator: Marita Ziepert

Submitter: Christoph Beger

Data file type: ODM Data

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

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MegaCHOEP Trial Result Data (Excel)
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

Trial data as Microsoft Excel file

Creator: Marita Ziepert

Submitter: Christoph Beger

Data file type: Clinical Data

Human Diseases: B-cell lymphoma

MegaCHOEP Trial Result Data (SPSS)
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

Trial data as SPSS file

Creator: Marita Ziepert

Submitter: Christoph Beger

Data file type: Clinical Data

Human Diseases: B-cell lymphoma

MegaCHOEP Trial Result Metadata (Excel)
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

Trial data as Microsoft Excel file

Creator: Marita Ziepert

Submitter: Christoph Beger

Data file type: Clinical Data

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

Download
MabThera International Trial Data (SPSS)
GLA - German Lymphoma Alliance

Demographics, reference pathology diagnosis, Outcome (Event-free survival, Progression-free survival, Overall survival)

MInT trial data as SPSS file

Creator: Marita Ziepert

Submitter: Christoph Beger

Data file type: Clinical Data

Human Diseases: B-cell lymphoma

1 hidden item
ROF filter based macrophage segmentation in IHC stained tissue samples: MATLAB procedures
MMML Demonstrators - Molecular Mechanisms in Malignant Lymphomas - Demonstrators of Personalized Medicine

This is a set of MATLAB procedures for automated segmentation and counting of macrophages in multiple IHC stained tissue samples. Execution assumes that three aligned single-channel greyscale images of a given tissue area are available, representing IHC stainings with CD14 and CD163 antibodies (targeting macrophages) as well as DAPI staining (targeting cell cores). After detection of evaluation subregion (based on DAPI channel information), IHC stained macrophages will be masked and counted (based ...

Creators: René Hänsel, Marcus Wagner

Submitter: René Hänsel

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