The aberrant activation of B-cells has been implicated in several types of cancers and hematological disorders. BTK and PI3Kδ are kinases responsible for B-cell signal transduction, and inhibitors of these enzymes have demonstrated clinical benefit in certain types of lymphoma. Simultaneous inhibition of these pathways could result in more robust responses or overcome resistance as observed in single agent use. We report a series of novel compounds that have low nanomolar potency against both BTK and PI3Kδ as well as acceptable PK properties that could be useful in the development of treatments against B-cell related diseases.
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http://dx.doi.org/10.1021/acsmedchemlett.6b00356 | DOI Listing |
J Clin Med
January 2025
Department of Accident and Emergency, Etlik City Hospital, Ankara 06170, Turkey.
Arterial diseases (ADs) are a significant health problem, with high mortality and morbidity rates. Endovascular interventions, such as balloon angioplasty (BA), bare-metal stents (BMSs), drug-eluting stents (DESs) and drug-coated balloons (DCBs), have made significant progress in their treatments. However, the issue has not been fully resolved, with restenosis remaining a major concern.
View Article and Find Full Text PDFCancers (Basel)
January 2025
Division of Hematology and Medical Oncology, University of Washington, Seattle, WA 98195, USA.
Pathway inhibitors targeting Bruton tyrosine kinase (BTK) and B-cell lymphoma-2 (BCL-2) have dramatically changed the treatment landscape for both treatment-naïve and relapsed/refractory chronic lymphocytic leukemia (CLL). However, with increased utilization, a growing number of patients will experience progressive disease on both agents. This subgroup of "double refractory" patients has limited treatment options and poor prognosis.
View Article and Find Full Text PDFPLoS One
January 2025
Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria.
Purpose: Treatment of peripheral artery disease (PAD) in the region below the knee (BTK) is dissatisfying as failure of treated target lesions (TLF) is frequent and diagnostic imaging is often challenging. In the BTK-region metallic drug-eluting stents (mDES) yielded best results concerning primary patency (PP), but also annihilate signal in magnetic resonance angiography (MR-A). A recently introduced non-metallic drug eluting bioresorbable Tyrocore® vascular scaffold (deBVS), that offers an option for re-treatment of lesions due to its full degradation within 3-4 years after placement, was investigated with respect to its compatibility with MR-A to unimpededly depict previously treated target lesions.
View Article and Find Full Text PDFBlood Adv
January 2025
Fred Hutchinson Cancer Research Center, Seattle, Washington, United States.
Some CLL patients who develop progressive disease (PD) during treatment with covalent Bruton tyrosine kinase inhibitors (cBTKi) acquire pathway resistance mutations in BTK or PLCG2. Here, we report gene mutation data from paired baseline and PD peripheral blood samples from 52 patients (zanubrutinib, n=24; ibrutinib, n=28) who, at an early median follow-up time of 25.7 months, progressed on zanubrutinib or ibrutinib treatment in the ALPINE trial (NCT03734016).
View Article and Find Full Text PDFAnn Hematol
January 2025
Service de Thérapie Cellulaire et d'Hématologie Clinique, CHU Estaing, Clermont-Ferrand, France.
The advent of BTK inhibitors has been transformative in the management of patients with chronic lymphocytic leukemia or other B-cell lymphoproliferative disorders. However, emergence of BTK or PLCG2 mutations lead to resistance to these compounds and are now a growing concern in clinical practice. Assessing BTK mutations is now becoming a priority to guide the therapeutic decision at further relapse.
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