Articles

Belgian clinical practice guidelines for the treatment of patients with HER2-positive advanced breast cancer

BJMO - volume 16, issue 6, october 2022

G. Nader-Marta MD, F.P. Duhoux MD, PhD, D. Taylor MD, T. Van den Mooter MD, H. Denys MD, PhD, J-L. Canon MD, J. Mebis MD, PhD, A. Awada MD, PhD, H. Wildiers MD, PhD, K. Punie MD, E. de Azambuja MD, PhD

SUMMARY

HER2-targeted agents are the central component of HER2-positive metastatic breast cancer (MBC) treatment. The combination of trastuzumab, pertuzumab and a taxane is the preferred first-line regimen in most settings. For patients with disease relapse after adjuvant therapy, treatment decisions in the first-line are influenced by the treatment-free interval and the regimens used in the (neo)adjuvant setting. T-DXd has been recently established as the preferred second-line therapy. T-DM1, or the combination of tucatinib, trastuzumab and capecitabine, are reasonable third-line options, although efficacy and safety data of these regimens after prior exposure to T-DXd are lacking. In fourth and later lines, trastuzumab duocarmazine, neratinib plus capecitabine, margetuximab plus chemotherapy, lapatinib-based combinations or the continuation of trastuzumab with different chemotherapy partners are valid alternatives.

(BELG J MED ONCOL 2022;16(6): 287–92)

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Belgian clinical practice guidelines for the treatment of patients with HER2-positive advanced breast cancer

BJMO - , issue ,

G. Nader-Marta MD, F.P. Duhoux MD, PhD, D. Taylor MD, T. Van den Mooter MD, H. Denys MD, PhD, J-L. Canon MD, J. Mebis MD, PhD, A. Awada MD, PhD, H. Wildiers MD, PhD, K. Punie MD, E. de Azambuja MD, PhD

HER2-targeted agents are the central component of HER2-positive metastatic breast cancer (MBC) treatment. The combination of trastuzumab, pertuzumab and a taxane is the preferred first-line regimen in most settings. For patients with disease relapse after adjuvant therapy, treatment decisions in the first-line are influenced by the treatment-free interval and the regimens used in the (neo)adjuvant setting. T-DXd has been recently established as the preferred second-line therapy. T-DM1, or the combination of tucatinib, trastuzumab and capecitabine, are reasonable third-line options, although efficacy and safety data of these regimens after prior exposure to T-DXd are lacking. In fourth and later lines, trastuzumab duocarmazine, neratinib plus capecitabine, margetuximab plus chemotherapy, lapatinibbased combinations or the continuation of trastuzumab with different chemotherapy partners are valid alternatives.

(BELG J MED ONCOL 2022;16(6): PUBLICATION AHEAD OF PRINT)

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Current treatment patterns of advanced hormone receptor-positive, HER2-negative breast cancer in Belgium

BJMO - volume 16, issue 4, june 2022

G. Jerusalem MD, PhD, A. Awada MD, PhD, K. Detournay DVM , K. Punie MD

SUMMARY

Several treatment guidelines exist for hormone receptor-positive/HER2-negative advanced breast cancer (HR+/HER2- aBC), but various factors influence their local implementation. We performed a 3-round Delphi methodbased study in search of a consensus regarding HR+/HER2- aBC management in Belgian practice. Panel questionnaires included questions related to treatment patterns, drug-drug interactions (DDIs) and side-effect management (SEM). A consensus threshold of 75% was applied. The results were evaluated for concordance with the ABC5 guidelines. Treatment patterns in HR+/HER2- aBC reached moderate to high consensus among Belgian oncologists and showed high concordance with ABC5 guidelines. A CDK4/6 inhibitor is the preferred first-line treatment, combined with an aromatase inhibitor or with fulvestrant in the endocrine-sensitive and -resistant setting, respectively. Alpelisib-fulvestrant is the preferred second-line treatment in presence of a PIK3CA-activating mutation. Some practices regarding DDI and SEM needed further discussion before reaching consensus highlighting the need for additional training and incorporation of these topics in guidelines.

(BELG J MED ONCOL 2022;16(4):176–86)

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Is there a place for thromboprophylaxis in cancer patients?

BJMO - volume 16, issue 2, march 2022

A. Awada MD, PhD, K. Jochmans MD, C. Vulsteke MD, PhD, T. Vanassche MD, J. Mebis MD, PhD, V. Mathieux MD, J-F. Baurain MD, PhD, P. Hainaut MD, P. Verhamme MD

SUMMARY

Venous thromboembolism (VTE) is common in cancer patients. It is associated with poor outcomes and increased mortality. In fact, VTE is known as the second most common cause of mortality in cancer patients. Although the benefit of thromboprophylaxis is clear for acutely ill hospitalised cancer patients, routine prophylaxis is not recommended for all ambulatory cancer patients. The reason is the risk to treat a high proportion of patients who do not need treatment and an increased risk of major bleeding. Here we highlight the importance of adequate risk assessment models to select patients at an increased VTE risk and present pivotal trial results that form the basis for the latest international treatment guidelines related to thromboprophylaxis in cancer patients.

(BELG J MED ONCOL 2022;16(2):53–9)

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Future perspectives and opportunities to improve the treatment of brain metastases in solid tumours: Brainstorm program – an initiative from the Oncodistinct network

BJMO - volume 15, issue 7, november 2021

N. Kotecki MD, MA. Franzoi MD, A. Awada MD, PhD

SUMMARY

Patients with central nervous system (CNS) metastases have a poor prognosis, which is generally worse than in those with disease only outside the CNS. Treatment options for CNS metastases are still limited and suboptimal. New systemic therapies such as targeted therapies and immunotherapy have emerged for different cancers and differences in survival of patients with CNS metastases by tumour subtype have been observed. A better knowledge on the evolving epidemiology and biology of CNS metastases are key elements in the development of new treatment strategies whereby the identification of promising therapeutic targets for new compounds may play an important role in improving patient outcome. This article will provide a general overview of the recent improvement in systemic therapies for CNS metastases, highlighting perspectives to improve the management of CNS metastases and introduce the BrainStorm program- an innovative research program from the Oncodistinct network aiming to overcome the challenges of CNS metastases.

(BELG J MED ONCOL 2021;15(7):357-61)

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Clinical management of first-line advanced triple-negative breast cancer patients

BJMO - volume 14, issue 7, november 2020

M. Rediti MD, K. Punie MD, E. de Azambuja MD, PhD, E. Naert MD, D. Taylor MD, FP. Duhoux MD, PhD, H. Denys MD, PhD, A. Awada MD, PhD, H. Wildiers MD, PhD, M. Ignatiadis MD, PhD

SUMMARY

Chemotherapy has represented the main treatment option for patients with advanced triple-negative breast cancer for a long time. However, due to our better understanding of tumour biology, recent clinical trials led to a change in the treatment paradigm of this disease, identifying clinically relevant subgroups with different therapeutic options. Both clinical and biological factors have become relevant and need to be considered in the treatment decision algorithm of this heterogeneous disease.

(BELG J MED ONCOL 2020;14(7):333-38)

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Triple-negative breast cancer: current treatment and future perspectives

BJMO - volume 13, issue 3, may 2019

G. El Hachem MD, Y. Jounblat MD, A. Awada MD, PhD, A. Gombos MD

SUMMARY

Triple-negative breast cancer is a heterogeneous subtype of breast carcinoma lacking the expression of oestrogen, progesterone and human epidermal growth factor 2 receptors. For many decades, cytotoxic chemotherapy has been the standard of care offering only a short-living disease control. Knowing its poor outcome and aggressive behaviour, researchers are trying to find new therapeutic options hoping to improve the survival of this population. Many cytotoxic and targeted therapies were tested without major benefit. However, in the era of molecular and mutational classification of tumours, as well as the immune mediated mechanisms of proliferation and progression, the trials are currently oriented towards the identification of potential targets in the tumoral heterogenic environment. Here, we present a review of literature concerning the potential anti-neoplastic options and novel therapies for metastatic triple-negative breast cancers: new cytotoxic agents, new targeted therapies, anti-angiogenic agents, antibody-drug conjugates, poly-ADP ribose transferase inhibitors and immunotherapy. Many agents are promising, yet not powerful enough to get approvals for use into clinical practice.

(BELG J MED ONCOL 2019;13(3):84–92)

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