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Intravesical bladder

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https://read.qxmd.com/read/30770125/integrated-fourier-transform-infrared-imaging-and-proteomics-for-identification-of-a-candidate-histochemical-biomarker-in-bladder-cancer
#1
Kathrin E Witzke, Frederik Großerueschkamp, Hendrik Jütte, Melanie Horn, Florian Roghmann, Nicolas von Landenberg, Thilo Bracht, Angela Kallenbach-Thieltges, Heiko Käfferlein, Thomas Brüning, Karin Schork, Martin Eisenacher, Katrin Marcus, Joachim Noldus, Andrea Tannapfel, Barbara Sitek, Klaus Gerwert
Histopathological differentiation between severe urocystitis with reactive urothelial atypia and carcinoma in situ (CIS) can be difficult, particularly after a treatment that deliberately induces an inflammatory reaction, such as intravesical instillation of Bacillus Calmette-Guèrin. However, precise grading in bladder cancer is critical for therapeutic decision making and thus requires reliable immunohistochemical biomarkers. Herein, an exemplary potential biomarker in bladder cancer was identified by the novel approach of Fourier transform infrared imaging for label-free tissue annotation of tissue thin sections...
February 9, 2019: American Journal of Pathology
https://read.qxmd.com/read/30762670/salvage-therapeutic-strategies-for-bacillus-calmette-guerin-failure
#2
Melanie R Hassler, Shahrokh F Shariat, Francesco Soria
PURPOSE OF REVIEW: To give an overview of current options for conservative treatment of patients failing intravesical bacillus Calmette-Guerin (BCG) and to discuss emerging approaches with potential future clinical applications. RECENT FINDINGS: Radical cystectomy is the standard-of-care for patients failing BCG therapy. In patients unfit or unwilling to undergo surgery, salvage therapy options could be proposed with the aim to offer local cancer control and prevent progression to muscle-invasive disease...
February 11, 2019: Current Opinion in Urology
https://read.qxmd.com/read/30759672/re-effect-of-intravesical-instillation-of-gemcitabine-vs-saline-immediately-following-resection-of-suspected-low-grade-non-muscle-invasive-bladder-cancer-on-tumor-recurrence
#3
https://read.qxmd.com/read/30747862/re-preclinical-evaluation-of-intravesical-cisplatin-nanoparticles-for-non-muscle-invasive-bladder-cancer
#4
Sam S Chang
No abstract text is available yet for this article.
February 8, 2019: Journal of Urology
https://read.qxmd.com/read/30741037/efficacy-of-intravesical-targeting-of-novel-quorum-sensing-inhibitor-nanoparticles-against-pseudomonas-aeruginosa-biofilm-associated-murine-pyelonephritis
#5
Anitha Vadekeetil, Sanjay Chhibber, Kusum Harjai
Pseudomonas aeruginosa biofilm-associated pyelonephritis is a severe infection that can lead to mortality. There are no strategies that can effectively manage this infection since the pathogenesis is controlled by quorum sensing (QS) regulated virulence and recalcitrant biofilms. QS inhibitors (QSIs) are emerging therapeutics against such infections but are associated with cytotoxicity or low bioactivity. Hence, we developed novel quorum sensing inhibitor loaded nanoparticles (QSINPs) using the biopolymers, chitosan (CS) and dextran sulphate (DS) and were intravesically targeted against biofilm-associated murine pyelonephritis...
February 11, 2019: Journal of Drug Targeting
https://read.qxmd.com/read/30709885/intravesical-gossypiboma-our-experience-and-the-need-for-stringent-checklist-and-training
#6
Ronal Kori, Lovenish Bains, Sudhir Kumar Jain
We present our experience of two cases: one of a 28-year-old male patient who presented with recurrent episodes of urinary tract infection (UTI) with passage of pus flakes in urine and a history of open cystolithotomy about 10 months ago. The second patient was a 26-year-old woman who underwent bladder exploration for a retained Double-J stent about 10 months ago and presented with recurrent UTI. The first case was treated with open surgery and in the second case, the gauze piece was retrieved endoscopically...
February 1, 2019: BMJ Case Reports
https://read.qxmd.com/read/30708129/spinal-macrophage-migration-inhibitory-factor-and-high-mobility-group-box-1-mediate-persistent-bladder-pain
#7
Fei Ma, Katherine L Meyer-Siegler, Lin Leng, Richard Bucala, Pedro L Vera
Repeated intravesical PAR4 (protease activated receptor 4) activation elicits persistent bladder pain lasting 5 days after the last treatment. Persistent bladder pain was fully reversed by a systemic HMGB1 (high mobility box 1) inhibitor while a MIF (macrophage migration inhibitory factor) antagonist partly reversed it. Since there is growing evidence that spinal MIF and HMGB1 mediate inflammatory and neuropathic pain we examined whether there were spinal changes occurring during persistent bladder pain that may be responsible for maintaining bladder pain...
January 29, 2019: Neuroscience Letters
https://read.qxmd.com/read/30707934/retentive-device-for-intravesical-drug-delivery-based-on-water-induced-shape-memory-response-of-poly-vinyl-alcohol-design-concept-and-4d-printing-feasibility
#8
A Melocchi, N Inverardi, M Uboldi, F Baldi, A Maroni, S Pandini, F Briatico-Vangosa, L Zema, A Gazzaniga
The use of shape memory polymers exhibiting water-induced shape recovery at body temperature and water solubility was proposed for the development of indwelling devices for intravesical drug delivery. These could be administered via catheter in a suitable temporary shape, retained in the bladder for a programmed period of time by recovery of the original shape and eliminated with urine following dissolution/erosion. Hot melt extrusion and fused deposition modeling 3D printing were employed as the manufacturing techniques, the latter resulting in 4D printing because of the shape modifications undergone by the printed item over time...
January 29, 2019: International Journal of Pharmaceutics
https://read.qxmd.com/read/30696629/intravesical-ty21a-vaccine-promotes-dendritic-cells-and-t-cell-mediated-tumor-regression-in-the-mb49-bladder-cancer-model
#9
Sonia Domingos-Pereira, Karthik Sathiyanadan, Stefano La Rosa, Lenka Polák, Mathieu F Chevalier, Rim Hojeij, Paul Martel, Laurent Derré, Jacques-Antoine Haefliger, Patrice Jichlinski, Denise Nardelli-Haefliger
Preclinical data shows that intravesical instillation of Ty21a/Vivotif®, a commercial vaccine against typhoid fever, is an effective alternative option to standard Bacillus-Calmette-Guérin (BCG) immunotherapy for nonmuscle-invasive bladder cancer (NMIBC). Here we characterized the inflammatory effects of Ty21a on the bladder and investigated the immune mechanisms underlying tumor-regression towards the use of this bacterial vaccine in NMIBC patients. MB49 bladder tumor-bearing mice had significantly improved survival after intravesical instillations of Ty21a doses of 106 to 108 colony-forming units...
January 29, 2019: Cancer Immunology Research
https://read.qxmd.com/read/30695781/iron-chelation-as-novel-treatment-for-interstitial-cystitis
#10
Georg Hagn, Robert Westhofen, Ian Burkovskiy, Bruce Holbein, Juan Zhou, Christian Lehmann
Interstitial cystitis (IC) is a highly prevalent debilitating disease, with its cardinal symptoms being severe pain, urinary urgency and frequency. The associated pain may eventually lead as a last resort to removal of the bladder. Though the initial trigger for IC remains largely unknown, we propose novel iron chelators as a possible new treatment for this disease. Iron is a mandatory component for the generation of reactive oxygen species (ROS). A substantial decrease in ROS production and thus inflammation can be achieved by effectively sequestering host iron, which we believe may improve outcome and quality of life in IC patients...
January 29, 2019: Pharmacology
https://read.qxmd.com/read/30687609/redefining-the-role-of-immediate-intravesical-instillation-of-mitomycin-c-in-non-muscle-invasive-bladder-cancer
#11
EDITORIAL
Deepak Batura
No abstract text is available yet for this article.
December 2018: Translational Andrology and Urology
https://read.qxmd.com/read/30687601/an-immediate-intravesical-instillation-of-mitomycin-c-is-of-benefit-in-all-prognostic-risk-groups-with-non-muscle-invasive-bladder-cancers
#12
EDITORIAL
Willem Oosterlinck, Karel Decaestecker
No abstract text is available yet for this article.
December 2018: Translational Andrology and Urology
https://read.qxmd.com/read/30684846/fatty-acid-synthase-her2-neu-and-e2f1-as-prognostic-markers-of-progression-in-non-muscle-invasive-bladder-cancer
#13
Aziza E Abdelrahman, Hayam E Rashed, Ehab Elkady, Eman A Elsebai, Ahmed El-Azony, Ihab Matar
Non-muscle-invasive bladder cancer (NMIBC) is a heterogeneous disease which has an unpredictable risk of progression to muscle-invasive bladder cancer (MIBC). The selection of patients who may benefit from early radical intervention is a challenge. To define the useful prognostic markers for progression, we analyzed the immunohistochemical expression of fatty acid synthase (FASN), Her2/neu, and E2F1 in 60 cases of NMIBC who underwent TURBT and adjuvant intravesical bacillus-Calmette-Guérin (BCG). Their predicting role for tumor recurrence, progression, recurrence-free survival (RFS) and progression-free survival (PFS) was analyzed...
January 17, 2019: Annals of Diagnostic Pathology
https://read.qxmd.com/read/30678415/-expert-consensus-on-treatment-of-intravesical-therapy-in-non-muscle-invasive-bladder-cancer
#14
(no author information available yet)
Bladder cancer is one of the common malignant tumors in China. Three-quarter bladder cancer is non-muscle invasive bladder cancer with a high recurrence rate. Intravesical therapy can reduce the risk of recurrence and progression in bladder cancer. According to the recent updates of evidence-based medical evidence at home and abroad, as well as the deepening of domestic experts' research on the diagnosis and treatment of bladder cancer, the consensus has summarized the current intravesical therapy for non-muscle invasive bladder cancer in China, including the indications, contraindications and methods for intravesical therapy, as well as commonly used drugs in bladder cancer...
January 23, 2019: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://read.qxmd.com/read/30675801/intravesical-administration-of-xenogeneic-porcine-urothelial-cells-attenuates-cyclophosphamide-induced-cystitis-in-mice
#15
Chi-Ping Huang, Chi-Cheng Chen, Yi-Tung Tsai, Chun-Chie Wu, Chih-Rong Shyr
The urothelium of the bladder, renal pelvis, ureter and urethra is maintained through the regulated proliferation and differentiation of urothelial stem and progenitor cells. These cells provide a rich source of a novel urothelial cell therapy approach that could be used to protect, regenerate, repair and restore a damaged urothelium. Urothelial injury caused by physical, chemical and microbial stress is the pathological basis of cystitis (bladder inflammation). The loss of urothelial integrity triggers a series of inflammatory events, resulting in pain and hematuria such as hemorrhage cystitis and interstitial cystitis...
January 24, 2019: Cell Transplantation
https://read.qxmd.com/read/30671639/impact-of-intravesical-therapy-for-non-muscle-invasive-bladder-cancer-on-the-accuracy-of-urine-cytology
#16
Mohit Gupta, Niv Milbar, Giorgia Tema, Filippo Pederzoli, Meera Chappidi, Max Kates, Christopher J VandenBussche, Trinity J Bivalacqua
PURPOSE: Urine cytology remains an essential diagnostic tool in the surveillance of patients with non-muscle invasive bladder cancer (NMIBC). The correlation of urine cytology with biopsy specimens to determine its accuracy following induction intravesical therapy has not been investigated. METHODS: A retrospective review was performed of patients who underwent intravesical therapy for biopsy-proven non-muscle invasive disease between 2013 and 2016 at our institution...
January 23, 2019: World Journal of Urology
https://read.qxmd.com/read/30666091/hyperprogression-after-anti-programmed-cell-death-ligand-1-therapy-in-a-patient-with-recurrent-metastatic-urothelial-bladder-carcinoma-following-first-line-cisplatin-based-chemotherapy-a-case-report
#17
Shiyu Mao, Junfeng Zhang, Yadong Guo, Ziwei Zhang, Yuan Wu, Wentao Zhang, Longsheng Wang, Jiang Geng, Yang Yan, Xudong Yao
Background: Immune checkpoint blockade targeting programmed cell death ligand-1 (PD-L1)/programmed death-1 (PD-1) signaling was approved recently for locally advanced and metastatic urothelial bladder carcinoma (UBC). Some patients experience a very rapid tumor progression, rather than clinical benefit, from anti-PD-L1/PD-1 therapy. Case presentation: A 58-year-old male diagnosed with non-muscle-invasive bladder cancer 3 years ago received transurethral resection of bladder tumor (TURBT) and intravesical chemotherapy...
2019: Drug Design, Development and Therapy
https://read.qxmd.com/read/30654801/effectiveness-of-two-different-dose-administration-regimens-of-an-il-15-superagonist-complex-alt-803-in-an-orthotopic-bladder-cancer-mouse-model
#18
Hideki Furuya, Owen T M Chan, Ian Pagano, Chengjun Zhu, Nari Kim, Rafael Peres, Kanani Hokutan, Sarah Alter, Peter Rhode, Charles J Rosser
BACKGROUND: We set out to determine if the administration of subcutaneous (SQ) ALT-803 was non-inferior to standard intravesical BCG treatment in a carcinogen induced mouse (C57BL/6J) bladder cancer model. METHODS: Using this well-established carcinogen induced mouse model, we studied the effects of various dosing schemas of ALT-803 (SQ alone, SQ with intravesical BCG, intravesical alone, intravesical with intravesical BCG) compared to intravesical BCG alone (positive control) and PBS (negative control)...
January 17, 2019: Journal of Translational Medicine
https://read.qxmd.com/read/30654104/low-serum-25-hydroxyvitamin-d-is-associated-with-increased-bladder-cancer-risk-a-systematic-review-and-evidence-of-a-potential-mechanism
#19
Janet A Dunn, Kieran Jefferson, Donald MacDonald, Gulnaz Iqbal, Rosemary Bland
The development of some cancers is associated with vitamin D deficiency. We suggest that reduced conversion of 25-hydroxyvitamin D (25(OH)D) to 1,25-dihydroxyvitamin D (1,25(OH)2 D) and the resulting modification of tissue specific immune responses may be key. Non-muscle-invasive bladder cancer is highly immunoresponsive and stimulation of an inflammatory response by intravesical bacillus Calmette-Guerin (BCG) treatment prevents recurrence. To assess the relationship between serum 25(OH)D and bladder cancer risk we conducted a systematic review...
January 14, 2019: Journal of Steroid Biochemistry and Molecular Biology
https://read.qxmd.com/read/30653511/the-association-of-adelmidrol-with-sodium-hyaluronate-displays-beneficial-properties-against-bladder-changes-following-spinal-cord-injury-in-mice
#20
Michela Campolo, Rosalba Siracusa, Marika Cordaro, Alessia Filippone, Enrico Gugliandolo, Alessio F Peritore, Daniela Impellizzeri, Rosalia Crupi, Irene Paterniti, Salvatore Cuzzocrea
The disruption of coordinated control between the brain, spinal cord and peripheral nervous system caused by spinal cord injury (SCI) leads to several secondary pathological conditions, including lower urinary tract dysfunction. In fact, urinary tract dysfunction associated with SCI is urinary dysfunction could be a consequence of a lack of neuroregeneration of supraspinal pathways that control bladder function. The object of the current research was to explore the effects of adelmidrol + sodium hyaluronate, on bladder damage generated after SCI in mice...
2019: PloS One
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