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Early Experimental Results Of Using A Novel Delivery Carrier, Hyaluronan-Phosphatidylethanolamine (Ha-Pe) Which May Allow Simple Bladder Instillation Of Botulinum Toxin A As Effectively As Direct Detrusor Muscle Injection., Mohamed G. El Shatoury
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Intra-detrusor Botulinum Toxin-A (BTX-A) injection is the gold standard treatment for detrusor overactivity in clinical practice when medical treatment fails. Despite satisfactory results of BTX-A injection, the endoscopic procedure still has risks of anaesthetic and operative complications. Several studies have investigated more simple ways to deliver BTX-A to the detrusor muscle but with limited success. In our study, we assessed the evidence of BTX-A delivery using a newly modulated hyaluronan-phosphatidylethanolamine (HA-PE) carrier in a rat model through BTX-A-HA-PE bladder instillations. We used histological evidence of SNAP-25 protein cleavage and detection of Alexa FluorÒ594-labelled BTX-A as a proof of physical BTX-A …