Purpose: Antihypertensive therapy may improve bevacizumab efficacy in cancer patients. We examined efficacy and toxicity of angiotensin system inhibitors (ASI) and other antihypertensive drugs in bevacizumab treated recurrent glioblastoma patients.
Methods: We retrospectively combined a national prescription registry with a clinical database with recurrent glioblastoma patients (n = 243).
Results: Patients who initiated ASI after bevacizumab (n = 26) showed a tendency towards improved progression-free survival and overall survival (OS) with hazard rate (HR) reductions (HR = 0.70 and HR = 0.79, respectively). Calcium antagonists during bevacizumab therapy significantly improved OS (HR = 0.57).
Conclusions: Overall the study supports a potential beneficial effect of antihypertensive treatment on prognosis of bevacizumab treated glioblastoma patients.
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http://dx.doi.org/10.1080/07357907.2018.1544639 | DOI Listing |
Neuro Oncol
January 2025
Department of Pathology, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada.
Cancers (Basel)
January 2025
Department of Medical Imaging, Faculty of Health Sciences, University of Pécs, 7621 Pécs, Hungary.
Glioblastoma, the most common and aggressive primary brain tumor in adults, presents a formidable challenge due to its rapid progression, treatment resistance, and poor survival outcomes. Standard care typically involves maximal safe surgical resection, followed by fractionated external beam radiation therapy and concurrent temozolomide chemotherapy. Despite these interventions, median survival remains approximately 12-15 months, with a five-year survival rate below 10%.
View Article and Find Full Text PDFCancers (Basel)
December 2024
Department of Medical Oncology, Ege University Medical Faculty, Izmir 35040, Turkey.
Background/objectives: In the REGOMA trial, regorafenib demonstrated an overall survival advantage over lomustine, and it has become a recommended treatment for recurrent glioblastoma in guidelines. This study aimed to evaluate the effectiveness and safety of regorafenib as a third-line treatment for patients with recurrent glioblastoma who progressed while taking bevacizumab-based therapy.
Methods: This retrospective, multicenter study in Turkey included 65 patients treated between 2021 and 2023 across 19 oncology centers.
Molecules
January 2025
Laboratory of Neurochemistry and Cellular Biology, Institute of Health Sciences, Federal University of Bahia, Av. Reitor Miguel Calmon S/N, Salvador 40231-300, BA, Brazil.
Glioblastomas (GBM) are malignant tumours with poor prognosis. Treatment involves chemotherapy and/or radiotherapy; however, there is currently no standard treatment for recurrence, and prognosis remains unfavourable. Inflammatory mediators and microRNAs (miRNAs) influence the aggressiveness of GBM, being involved in the communication with the cells of the tumour parenchyma, including microglia/macrophages, and maintaining an immunosuppressive microenvironment.
View Article and Find Full Text PDFWorld Neurosurg
January 2025
Department of Neurosurgery, Yamagata University Graduate School of Medicine, Yamagata, Japan. Electronic address:
Purpose: Glioblastomas contacting the subventricular zone (SVZ) are associated with poor prognosis and the impact of ventricular entry (VE) during resection remains controversial. Since glioblastomas with SVZ involvement often require VE, both SVZ involvement and VE are confounding factors. This study aimed to evaluate the effect of VE during glioblastoma resection by comparing patients with and without SVZ involvement.
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