BJMO - volume 15, issue 4, june 2021
Ir A. Hébrant PhD, H. Antoine-Poirel MD, PhD, K.B.M. Claes PhD, F. Dedeurwaerdere MD, J. Van der Meulen MD, F. Lambert MD, J. Van Huysse MD, G. Martens MD, PhD, N. D’Haene MD, PhD, K. Geboes MD, P. Pauwels MD, PhD, A. Jouret-Mourin MD, PhD, P. Peeters MD, M. van den Eynde MD, PhD, R. Salgado MD, PhD, P-J. Van Dam MD, P. Lefesvre MD, PhD, X. Sagaert MD, PhD, S. Metsu PhD, A. Demols MD, PhD, J-L. van Laethem MD, PhD
Pancreatobiliary cancers (PBC) group pancreatic and biliary tract cancers and are among the cancers with the lowest survival rate. Emerging data suggest that novel biomarker-specific targeted therapies can be proposed for selected populations with survival benefit. This review summarises the scientific evidence to test for these biomarkers in order to optimise the management of pancreatobiliary cancers, within the context of the Belgian NGS convention.
(BELG J MED ONCOL 2021;15(4):170-6)
Read moreBJMO - volume 13, issue 4, june 2019
L. Thijs MD, P. Peeters MD, B. Maes MD, PhD, S. Tejpar MD, PhD
Gastric (including gastroesophageal junction) adenocarcinoma ranks top three in global cancer mortality. Between 4–30% of patients have human epidermal growth factor receptor 2 (HER2) driven disease, and targeting HER2 receptor signalling improved prospects in metastatic setting. HER2 status is assessed by immunohistochemistry and in situ hybridisation. However, determination and interpretation of HER2 status remains challenging due to intra- and intertumoral heterogeneity and lack of data on the biological relevant cut-off. Currently, only trastuzumab is approved for treatment of HER2 amplified advanced gastric cancer. The strength of HER2 amplification at baseline and after progression should be integrated in future prospective randomised trials. HER2 loss occurs predominantly in cases with initial moderate immunostaining for HER2 and can lead to clinical resistance to trastuzumab. We review the use of liquid biopsies as an alternative to traditional tissue biopsies to overcome heterogeneity and to allow monitoring the dynamics of the plasma HER2 status. We believe that early detection of plasma HER2 loss can identify patients at risk for loss of response to anti-HER2 therapy. Based on a clinical case, we tried to define the implications and clinical relevance of HER2 positivity. We illustrate the usefulness of re-determination of the HER2 status in metastatic lesions after disease progression and provide the prospects of non-invasive testing.
(BELG J MED ONCOL 2019;13(4):135–141)
Read moreBJMO - volume 13, issue 1, february 2019
Ir A. Hébrant PhD, Ir , A. Jouret-Mourin MD, PhD, G. Froyen PhD, J. Van der Meulen MD, M. De Man MD, R. Salgado MD, PhD, M. van den Eynde MD, PhD, N. D’Haene MD, PhD, G. Martens MD, PhD, E. van Cutsem MD, PhD, H.A. Poirel MD, PhD, S. Tejpar MD, PhD, J-L. van Laethem MD, PhD, K. Geboes MD, P. Pauwels MD, PhD, F. Dedeurwaerdere MD, B. Maes MD, PhD, J. De Grève MD, PhD, J. Vanhuysse , P. Peeters MD, L. Vanacker MD, M. Gomez-Galdon , M. Chintinne MD, PhD, A. Hendlisz MD, PhD, G. de Hertogh MD, PhD, X. Sagaert MD, PhD, M. Peeters MD, PhD, P. Vannuffel , P. Lefesvre MD, PhD, J. Vermeij , M. Simoens , T. Van den Mooter MD, N. van Damme PhD, M. Van den Bulcke PhD
The Belgian Commission of Personalized Medicine has been created to advise the federal government on all matters related to personalised medicine in oncology, including the reimbursement of molecular tests. Here, we propose the Belgian strategy for molecular testing in the digestive tumours within a scientific-based framework. For each tested biomarker, a clinical test level is attached, which is key to establish the relevance of the test and to define the reimbursement. For each digestive tumour type, the different molecular tests are represented as decision trees with its test utility, test level and a brief technical test description.
(BELG J MED ONCOL 2019;13(1):4–10)
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