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http://dx.doi.org/10.1056/NEJMc063721 | DOI Listing |
Malays J Pathol
December 2024
National Institutes of Health, Institute for Medical Research, Cancer Research Centre, Haematology Unit, 40170 Shah Alam, Selangor, Malaysia.
Introduction: The emergence of mutations in the BCR::ABL1 kinase domain (KD) impairs imatinib mesylate (IM) binding capacity, thus contributing to IM resistance. Identification of these mutations is important for treatment decisions and precision medicine in chronic myeloid leukaemia (CML) patients. Our study aims to determine the frequency of BCR::ABL1 KD mutations in CML patients with IM resistance.
View Article and Find Full Text PDFCureus
November 2024
Surgical Oncology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, IND.
Gastrointestinal stromal tumors (GIST) are rare in the rectum. These usually present with symptoms produced by compression of pelvic organs or bleeding. Surgery is the treatment of choice, however, at times the surgery can be mutilating and organ preservation may not be possible.
View Article and Find Full Text PDFCancer Chemother Pharmacol
December 2024
Department of Medical Pharmacology, Faculty of Medicine, Assiut University, Assiut, 71515, Egypt.
Purpose: The treatment landscape for chronic myeloid leukemia (CML) has been revolutionized by the introduction of imatinib, a tyrosine kinase inhibitor, which has transformed the disease from a fatal condition into a manageable chronic illness for a substantial number of patients. Despite this, some individuals do not respond adequately to the treatment, and others may experience disease progression even with continued therapy. This study examined how CYP2C8*3 (G416A; rs11572080) and ABCG2 C421A (rs2231142) single nucleotide polymorphisms (SNPs) affect the plasma trough concentration and therapeutic response of imatinib in Egyptian CML patients.
View Article and Find Full Text PDFJ Hematol Oncol
December 2024
Georgia Cancer Center, Augusta, GA, USA.
Background: Up to 65% of patients with chronic myeloid leukemia (CML) who are treated with imatinib do not achieve sustained deep molecular response, which is required to attempt treatment-free remission. Asciminib is the only approved BCR::ABL1 inhibitor that Specifically Targets the ABL Myristoyl Pocket. This unique mechanism of action allows asciminib to be combined with adenosine triphosphate-competitive tyrosine kinase inhibitors to prevent resistance and enhance efficacy.
View Article and Find Full Text PDFMagy Onkol
December 2024
Sebészeti és Molekuláris Patológiai Osztály, Országos Onkológiai Intézet, Budapest, Hungary.
The molecular pathological examination of solid tumors is essential not only for supporting histological diagnosis but also for detecting hereditary variations and predictive biomarkers. Analyzing predictive markers is fundamental to personalized cancer therapy, directly affecting patient care through pathological testing. These analyses employ both traditional immunohistochemical staining methods and molecular genetic techniques.
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