Publications

99 Publications visible to you, out of a total of 99

Abstract (Expand)

BACKGROUND The ’German Consortium for Hereditary Breast and Ovarian Cancer’ (GC-HBOC) offers women with a family history of breast and ovarian cancer genetic counseling. The aim of this modeling studyy was to evaluate the cost-effectiveness of genetic testing for BRCA 1/2 in women with a high familial risk followed by different preventive interventions (intensified surveillance, risk-reducing bilateral mastectomy, risk-reducing bilateral salpingo-oophorectomy, or both mastectomy and salpingo-oophorectomy) compared to no genetic test. METHODS A Markov model with a lifelong time horizon was developed for a cohort of 35-year-old women with a BRCA 1/2 mutation probability of ≥ 10%. The perspective of the German statutory health insurance (SHI) was adopted. The model included the health states ’well’ (women with increased risk), ’breast cancer without metastases’, ’breast cancer with metastases’, ’ovarian cancer’, ’death’, and two post (non-metastatic) breast or ovarian cancer states. Outcomes were costs, quality of life years gained (QALYs) and life years gained (LYG). Important data used for the model were obtained from 4380 women enrolled in the GC-HBOC. RESULTS Compared with the no test strategy, genetic testing with subsequent surgical and non-surgical treatment options provided to women with deleterious BRCA 1 or 2 mutations resulted in additional costs of \text€7256 and additional QALYs of 0,43 (incremental cost-effectiveness ratio of \text€17,027 per QALY; cost per LYG: \text€22,318). The results were robust in deterministic and probabilistic sensitivity analyses. CONCLUSION The provision of genetic testing to high-risk women with a BRCA1 and two mutation probability of ≥ 10% based on the individual family cancer history appears to be a cost-effective option for the SHI.

Authors: Dirk Müller, Marion Danner, Rita Schmutzler, Christoph Engel, Kirsten Wassermann, Björn Stollenwerk, Stephanie Stock, Kerstin Rhiem

Date Published: 1st Jul 2019

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Abstract (Expand)

Comparably little is known about breast cancer (BC) risks in women from families tested negative for BRCA1/2 mutations despite an indicative family history, as opposed to BRCA1/2 mutation carriers. We determined the age-dependent risks of first and contralateral breast cancer (FBC, CBC) both in noncarriers and carriers of BRCA1/2 mutations, who participated in an intensified breast imaging surveillance program. The study was conducted between January 1, 2005, and September 30, 2017, at 12 university centers of the German Consortium for Hereditary Breast and Ovarian Cancer. Two cohorts were prospectively followed up for incident FBC (n = 4,380; 16,398 person-years [PY], median baseline age: 39 years) and CBC (n = 2,993; 10,090 PY, median baseline age: 42 years). Cumulative FBC risk at age 60 was 61.8% (95% CI 52.8-70.9%) for BRCA1 mutation carriers, 43.2% (95% CI 32.1-56.3%) for BRCA2 mutation carriers and 15.7% (95% CI 11.9-20.4%) for noncarriers. FBC risks were significantly higher than in the general population, with incidence rate ratios of 23.9 (95% CI 18.9-29.8) for BRCA1 mutation carriers, 13.5 (95% CI 9.2-19.1) for BRCA2 mutation carriers and 4.9 (95% CI 3.8-6.3) for BRCA1/2 noncarriers. Cumulative CBC risk 10 years after FBC was 25.1% (95% CI 19.6-31.9%) for BRCA1 mutation carriers, 6.6% (95% CI 3.4-12.5%) for BRCA2 mutation carriers and 3.6% (95% CI 2.2-5.7%) for noncarriers. CBC risk in noncarriers was similar to women with unilateral BC from the general population. Further studies are needed to confirm whether less intensified surveillance is justified in women from BRCA1/2 negative families with elevated risk.

Authors: C. Engel, C. Fischer, S. Zachariae, K. Bucksch, K. Rhiem, J. Giesecke, N. Herold, B. Wappenschmidt, V. Hubbel, M. Maringa, S. Reichstein-Gnielinski, E. Hahnen, C. R. Bartram, N. Dikow, S. Schott, D. Speiser, D. Horn, E. M. Fallenberg, M. Kiechle, A. S. Quante, A. S. Vesper, T. Fehm, C. Mundhenke, N. Arnold, E. Leinert, W. Just, U. Siebers-Renelt, S. Weigel, A. Gehrig, A. Wockel, B. Schlegelberger, S. Pertschy, K. Kast, P. Wimberger, S. Briest, M. Loeffler, U. Bick, R. K. Schmutzler

Date Published: 13th May 2019

Publication Type: Not specified

Human Diseases: hereditary breast ovarian cancer syndrome

Abstract (Expand)

PURPOSE To report on 10 years of high-risk service screening with annual MRI in the German Consortium for Hereditary Breast and Ovarian Cancer (GC-HBOC). METHODS A cohort of 4,573 high-risk, previouslysly unaffected women (954 BRCA1 carriers, 598 BRCA2 carriers, 3021 BRCA1/2 non-carriers) participating in the GC-HBOC surveillance program was prospectively followed. Screening outcomes for 14,142 screening rounds with MRI between 2006 and 2015 were analyzed and stratified by risk group, type of screening round, and age. RESULTS A total of 221 primary breast cancers (185 invasive, 36 in situ) were diagnosed within 12 months of an annual screening round with MRI. Of all cancers, 84.5% (174/206, 15 unknown) were stage 0 or I. In BRCA1 carriers, 16.9% (10/59, 5 unknown) of all incident cancers (screen-detected and interval cancers combined) and in BRCA2 carriers 12.5% (3/24, 4 unknown) were stage IIA or higher, compared to only 4.8% (2/42, 2 unknown) in high-risk BRCA1/2 non-carriers. Program sensitivity was 89.6% (95% CI 84.9-93.0) with no significant differences in sensitivity between risk groups or by age. Specificity was significantly lower in the first screening round (84.6%, 95% CI 83.6-85.7) than in subsequent screening rounds (91.1%, 95% CI 90.6-91.7), p \textless 0.001. Cancer detection rates (CDRs) and as a result positive predictive values were strongly dependent on type of screening round, risk group and patient age. CDRs ranged from 43.5‰ (95% CI 29.8-62.9) for the first screening round in BRCA2 carriers to 2.9‰ (95% CI 1.3-6.3) for subsequent screening rounds in high-risk non-carriers in the age group 30 to 39 years. CONCLUSIONS High-risk screening with MRI was successfully implemented in the GC-HBOC with high sensitivity and specificity. Risk prediction and inclusion criteria in high-risk non-carriers need to be adjusted to improve CDRs and thus screening efficacy in these patients.

Authors: Ulrich Bick, Christoph Engel, Barbara Krug, Walter Heindel, Eva M. Fallenberg, Kerstin Rhiem, David Maintz, Michael Golatta, Dorothee Speiser, Dorothea Rjosk-Dendorfer, Irina Lämmer-Skarke, Frederic Dietzel, Karl Werner Fritz Schäfer, Elena Leinert, Stefanie Weigel, Stephanie Sauer, Stefanie Pertschy, Thomas Hofmockel, Anne Hagert-Winkler, Karin Kast, Anne Quante, Alfons Meindl, Marion Kiechle, Markus Loeffler, Rita K. Schmutzler

Date Published: 1st May 2019

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Abstract (Expand)

Background BRCA1/2 mutations confer high lifetime risk of breast cancer, although other factors may modify this risk. Whether height or body mass index (BMI) modifies breast cancer risk in BRCA1/22 mutation carriers remains unclear. Methods We used Mendelian randomization approaches to evaluate the association of height and BMI on breast cancer risk, using data from the Consortium of Investigators of Modifiers of BRCA1/2 with 14 676 BRCA1 and 7912 BRCA2 mutation carriers, including 11 451 cases of breast cancer. We created a height genetic score using 586 height-associated variants and a BMI genetic score using 93 BMI-associated variants. We examined both observed and genetically determined height and BMI with breast cancer risk using weighted Cox models. All statistical tests were two-sided. Results Observed height was positively associated with breast cancer risk (HR = 1.09 per 10 cm increase, 95% confidence interval [CI] = 1.0 to 1.17; P = 1.17). Height genetic score was positively associated with breast cancer, although this was not statistically significant (per 10 cm increase in genetically predicted height, HR = 1.04, 95% CI = 0.93 to 1.17; P = .47). Observed BMI was inversely associated with breast cancer risk (per 5 kg/m2 increase, HR = 0.94, 95% CI = 0.90 to 0.98; P = .007). BMI genetic score was also inversely associated with breast cancer risk (per 5 kg/m2 increase in genetically predicted BMI, HR = 0.87, 95% CI = 0.76 to 0.98; P = .02). BMI was primarily associated with premenopausal breast cancer. Conclusion Height is associated with overall breast cancer and BMI is associated with premenopausal breast cancer in BRCA1/2 mutation carriers. Incorporating height and BMI, particularly genetic score, into risk assessment may improve cancer management.

Authors: Frank Qian, Shengfeng Wang, Jonathan Mitchell, Lesley McGuffog, Daniel Barrowdale, Goska Leslie, Jan C. Oosterwijk, Wendy K. Chung, D. Gareth Evans, Christoph Engel, Karin Kast, Cora M. Aalfs, Muriel A. Adank, Julian Adlard, Bjarni A. Agnarsson, Kristiina Aittomäki, Elisa Alducci, Irene L. Andrulis, Banu K. Arun, Margreet G. E. M. Ausems, Jacopo Azzollini, Emmanuelle Barouk-Simonet, Julian Barwell, Muriel Belotti, Javier Benitez, Andreas Berger, Ake Borg, Angela R. Bradbury, Joan Brunet, Saundra S. Buys, Trinidad Caldes, Maria A. Caligo, Ian Campbell, Sandrine M. Caputo, Jocelyne Chiquette, Kathleen B. M. Claes, J. Margriet Collée, Fergus J. Couch, Isabelle Coupier, Mary B. Daly, Rosemarie Davidson, Orland Diez, Susan M. Domchek, Alan Donaldson, Cecilia M. Dorfling, Ros Eeles, Lidia Feliubadaló, Lenka Foretova, Jeffrey Fowler, Eitan Friedman, Debra Frost, Patricia A. Ganz, Judy Garber, Vanesa Garcia-Barberan, Gord Glendon, Andrew K. Godwin, Encarna B. Gómez Garcia, Jacek Gronwald, Eric Hahnen, Ute Hamann, Alex Henderson, Carolyn B. Hendricks, John L. Hopper, Peter J. Hulick, Evgeny N. Imyanitov, Claudine Isaacs, Louise Izatt, Ángel Izquierdo, Anna Jakubowska, Katarzyna Kaczmarek, Eunyoung Kang, Beth Y. Karlan, Carolien M. Kets, Sung-Won Kim, Zisun Kim, Ava Kwong, Yael Laitman, Christine Lasset, Min Hyuk Lee, Jong Won Lee, Jihyoun Lee, Jenny Lester, Fabienne Lesueur, Jennifer T. Loud, Jan Lubinski, Noura Mebirouk, Hanne E. J. Meijers-Heijboer, Alfons Meindl, Austin Miller, Marco Montagna, Thea M. Mooij, Patrick J. Morrison, Emmanuelle Mouret-Fourme, Katherine L. Nathanson, Susan L. Neuhausen, Heli Nevanlinna, Dieter Niederacher, Finn C. Nielsen, Robert L. Nussbaum, Kenneth Offit, Edith Olah, Kai-Ren Ong, Laura Ottini, Sue K. Park, Paolo Peterlongo, Georg Pfeiler, Catherine M. Phelan, Bruce Poppe, Nisha Pradhan, Paolo Radice, Susan J. Ramus, Johanna Rantala, Mark Robson, Gustavo C. Rodriguez, Rita K. Schmutzler, Christina G. Hutten Selkirk, Payal D. Shah, Jacques Simard, Christian F. Singer, Johanna Sokolowska, Dominique Stoppa-Lyonnet, Christian Sutter, Yen Yen Tan, R. Manuel Teixeira, Soo H. Teo, Mary Beth Terry, Mads Thomassen, Marc Tischkowitz, Amanda E. Toland, Katherine M. Tucker, Nadine Tung, Christi J. van Asperen, Klaartje van Engelen, Elizabeth J. van Rensburg, Shan Wang-Gohrke, Barbara Wappenschmidt, Jeffrey N. Weitzel, Drakoulis Yannoukakos, Mark H. Greene, Matti A. Rookus, Douglas F. Easton, Georgia Chenevix-Trench, Antonis C. Antoniou, David E. Goldgar, Olufunmilayo I. Olopade, Timothy R. Rebbeck, Dezheng Huo

Date Published: 1st Apr 2019

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Abstract (Expand)

Background and Objective: Predicting individual mutation and cancer risks is essential to assist genetic counsellors in clinical decision making for patients with a hereditary cancer predisposition. Worldwide a variety of statistical models and empirical data for risk prediction have been developed and published for hereditary breast and ovarian cancer (HBOC), and hereditary non-polyposis colorectal cancer (HNPCC / Lynch syndrome, LS). However, only few models have so far been implemented in convenient and easy-to-use computer applications. We therefore aimed to develop user-friendly applications of selected HBOC and LS risk prediction models, and to make them available through the "Leipzig Health Atlas" (LHA), a web-based multifunctional platform to share research data, novel ontologies, models and software tools with the medical and scientific community. LHA is a project funded within the BMBF initiative "i:DSem – Integrative data semantics in system medicine". Methods and Results: We selected a total of six statistical models and empirical datasets relevant for HBOC and LS: 1) the Manchester Scoring System, 2) the "Mutation Frequency Explorer" of the German Consortium for Hereditary Breast and Ovarian Cancer (GC-HBOC), 3) an extended version of the Claus model, 4) MMRpredict, 5) PREMM1,2,6, and 6) PREMM5. The Manchester Scoring System allows calculation of BRCA1/2 mutation probabilities based on aggregated family history. The "Mutation Frequency Explorer" allows flexible assessment of mutation risks in BRCA1/2 and other genes for different sets of familial cancer histories based on a large dataset from the GC-HBOC. The extended Claus model (as implemented in the commercial predigree drawing software Cyrillic 2.1.3, which is no longer supported and no longer works on newer operating systems) predicts both mutation and breast cancer risks based on structured pedigree data. MMRpredict, PREMM 1,2,6, and PREMM 5 predict mutation risks in mismatch repair genes for patients from families suspected of having LS. All models were implemented using the statistical software "R" and the R-package "Shiny". "Shiny" allows the development of interactive applications by incorporating "R" with HTML and other web technologies. The Shiny apps are accessible on the website of the "Leipzig Health Atlas" (https://www.health-atlas.de) for registered researchers and genetic counselors. Conclusions: The risk prediction apps allow convenient calculation of mutation or cancer risks for an advice-seeking individual based on pedigree data or aggregated information on the familial cancer history. Target users should be specialized health professionals (physicians and genetic counselors) and scientists to ensure correct handling of the tools and careful interpretation of results.

Authors: Silke Zachariae, Sebastian Stäubert, C. Fischer, Markus Löffler, Christoph Engel

Date Published: 8th Mar 2019

Publication Type: InProceedings

Human Diseases: hereditary breast ovarian cancer syndrome, Lynch syndrome, colorectal cancer

Abstract (Expand)

BACKGROUND We examined the associations between germline variants and breast cancer mortality using a large meta-analysis of women of European ancestry. METHODS Meta-analyses included summary estimatestes based on Cox models of twelve datasets using ~10.4 million variants for 96,661 women with breast cancer and 7697 events (breast cancer-specific deaths). Oestrogen receptor (ER)-specific analyses were based on 64,171 ER-positive (4116) and 16,172 ER-negative (2125) patients. We evaluated the probability of a signal to be a true positive using the Bayesian false discovery probability (BFDP). RESULTS We did not find any variant associated with breast cancer-specific mortality at P \textless 5 \times 10-8. For ER-positive disease, the most significantly associated variant was chr7:rs4717568 (BFDP = 7%, P = 1.28 \times 10-7, hazard ratio [HR] = 0.88, 95% confidence interval [CI] = 0.84-0.92); the closest gene is AUTS2. For ER-negative disease, the most significant variant was chr7:rs67918676 (BFDP = 11%, P = 1.38 \times 10-7, HR = 1.27, 95% CI = 1.16-1.39); located within a long intergenic non-coding RNA gene (AC004009.3), close to the HOXA gene cluster. CONCLUSIONS We uncovered germline variants on chromosome 7 at BFDP \textless 15% close to genes for which there is biological evidence related to breast cancer outcome. However, the paucity of variants associated with mortality at genome-wide significance underpins the challenge in providing genetic-based individualised prognostic information for breast cancer patients.

Authors: Maria Escala-Garcia, Qi Guo, Thilo Dörk, Sander Canisius, Renske Keeman, Joe Dennis, Jonathan Beesley, Julie Lecarpentier, Manjeet K. Bolla, Qin Wang, Jean Abraham, Irene L. Andrulis, Hoda Anton-Culver, Volker Arndt, Paul L. Auer, Matthias W. Beckmann, Sabine Behrens, Javier Benitez, Marina Bermisheva, Leslie Bernstein, Carl Blomqvist, Bram Boeckx, Stig E. Bojesen, Bernardo Bonanni, Anne-Lise Børresen-Dale, Hiltrud Brauch, Hermann Brenner, Adam Brentnall, Louise Brinton, Per Broberg, Ian W. Brock, Sara Y. Brucker, Barbara Burwinkel, Carlos Caldas, Trinidad Caldés, Daniele Campa, Federico Canzian, Angel Carracedo, Brian D. Carter, Jose E. Castelao, Jenny Chang-Claude, Stephen J. Chanock, Georgia Chenevix-Trench, Ting-Yuan David Cheng, Suet-Feung Chin, Christine L. Clarke, Emilie Cordina-Duverger, Fergus J. Couch, David G. Cox, Angela Cox, Simon S. Cross, Kamila Czene, Mary B. Daly, Peter Devilee, Janet A. Dunn, Alison M. Dunning, Lorraine Durcan, Miriam Dwek, Helena M. Earl, Arif B. Ekici, A. Heather Eliassen, Carolina Ellberg, Christoph Engel, Mikael Eriksson, D. Gareth Evans, Jonine Figueroa, Dieter Flesch-Janys, Henrik Flyger, Marike Gabrielson, Manuela Gago-Dominguez, Eva Galle, Susan M. Gapstur, Montserrat García-Closas, José A. García-Sáenz, Mia M. Gaudet, Angela George, Vassilios Georgoulias, Graham G. Giles, Gord Glendon, David E. Goldgar, Anna González-Neira, Grethe I. Grenaker Alnæs, Mervi Grip, Pascal Guénel, Lothar Haeberle, Eric Hahnen, Christopher A. Haiman, Niclas Håkansson, Per Hall, Ute Hamann, Susan Hankinson, Elaine F. Harkness, Patricia A. Harrington, Steven N. Hart, Jaana M. Hartikainen, Alexander Hein, Peter Hillemanns, Louise Hiller, Bernd Holleczek, Antoinette Hollestelle, Maartje J. Hooning, Robert N. Hoover, John L. Hopper, Anthony Howell, Guanmengqian Huang, Keith Humphreys, David J. Hunter, Wolfgang Janni, Esther M. John, Michael E. Jones, Arja Jukkola-Vuorinen, Audrey Jung, Rudolf Kaaks, Maria Kabisch, Katarzyna Kaczmarek, Michael J. Kerin, Sofia Khan, Elza Khusnutdinova, Johanna I. Kiiski, Cari M. Kitahara, Julia A. Knight, Yon-Dschun Ko, Linetta B. Koppert, Veli-Matti Kosma, Peter Kraft, Vessela N. Kristensen, Ute Krüger, Tabea Kühl, Diether Lambrechts, Loic Le Marchand, Eunjung Lee, Flavio Lejbkowicz, Lian Li, Annika Lindblom, Sara Lindström, Martha Linet, Jolanta Lissowska, Wing-Yee Lo, Sibylle Loibl, Jan Lubiński, Michael P. Lux, Robert J. MacInnis, Melanie Maierthaler, Tom Maishman, Enes Makalic, Arto Mannermaa, Mehdi Manoochehri, Siranoush Manoukian, Sara Margolin, Maria Elena Martinez, Dimitrios Mavroudis, Catriona McLean, Alfons Meindl, Pooja Middha, Nicola Miller, Roger L. Milne, Fernando Moreno, Anna Marie Mulligan, Claire Mulot, Rami Nassir, Susan L. Neuhausen, William T. Newman, Sune F. Nielsen, Børge G. Nordestgaard, Aaron Norman, Håkan Olsson, Nick Orr, V. Shane Pankratz, Tjoung-Won Park-Simon, Jose I. A. Perez, Clara Pérez-Barrios, Paolo Peterlongo, Christos Petridis, Mila Pinchev, Karoliona Prajzendanc, Ross Prentice, Nadege Presneau, Darya Prokofieva, Katri Pylkäs, Brigitte Rack, Paolo Radice, Dhanya Ramachandran, Gadi Rennert, Hedy S. Rennert, Valerie Rhenius, Atocha Romero, Rebecca Roylance, Emmanouil Saloustros, Elinor J. Sawyer, Daniel F. Schmidt, Rita K. Schmutzler, Andreas Schneeweiss, Minouk J. Schoemaker, Fredrick Schumacher, Lukas Schwentner, Rodney J. Scott, Christopher Scott, Caroline Seynaeve, Mitul Shah, Jacques Simard, Ann Smeets, Christof Sohn, Melissa C. Southey, Anthony J. Swerdlow, Aline Talhouk, Rulla M. Tamimi, William J. Tapper, Manuel R. Teixeira, Maria Tengström, Mary Beth Terry, Kathrin Thöne, Rob A. E. M. Tollenaar, Ian Tomlinson, Diana Torres, Thérèse Truong, Constance Turman, Clare Turnbull, Hans-Ulrich Ulmer, Michael Untch, Celine Vachon, Christi J. van Asperen, Ans M. W. van den Ouweland, Elke M. van Veen, Camilla Wendt, Alice S. Whittemore, Walter Willett, Robert Winqvist, Alicja Wolk, Xiaohong R. Yang, Yan Zhang, Douglas F. Easton, Peter A. Fasching, Heli Nevanlinna, Diana M. Eccles, Paul D. P. Pharoah, Marjanka K. Schmidt

Date Published: 1st Mar 2019

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

Abstract

Not specified

Authors: Kristina Klaschik, Jan Hauke, Guido Neidhardt, Christian Tränkle, Harald M. Surowy, Stefanie Heilmann-Heimbach, Gunter Rappl, Elisabeth Mangold, Norbert Arnold, Dieter Niederacher, Christian Sutter, Barbara Burwinkel, Christoph Engel, Barbara Wappenschmidt, Alfons Meindl, Corinna Ernst, Konstantin Weber-Lassalle, Nana Weber-Lassalle, Sandra Schmidt, Julika Borde, Rita K. Schmutzler, Eric Hahnen, Esther Pohl-Rescigno

Date Published: 4th Jan 2019

Publication Type: Journal article

Human Diseases: hereditary breast ovarian cancer syndrome

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