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Intravesical BCG

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https://www.readbyqxmd.com/read/28339163/next-generation-sequencing-of-urine-specimens-a-novel-platform-for-genomic-analysis-in-patients-with-non-muscle-invasive-urothelial-carcinoma-treated-with-bacille-calmette-gu%C3%A3-rin
#1
Sasinya N Scott, Irina Ostrovnaya, Caroline M Lin, Nancy Bouvier, Bernard H Bochner, Gopakumar Iyer, David Solit, Michael F Berger, Oscar Lin
BACKGROUND: Biopsies from patients with high-risk (HR) non-muscle-invasive urothelial carcinoma (NMIUC), especially flat urothelial carcinoma in situ, frequently contain scant diagnostic material or denuded mucosa only, and this precludes further extensive genomic analysis. This study evaluated the use of next-generation sequencing (NGS) analysis of urine cytology material from patients with HR NMIUC in an attempt to identify genetic alterations that might correlate with clinical features and responses to bacille Calmette-Guérin (BCG) treatment...
March 24, 2017: Cancer
https://www.readbyqxmd.com/read/28286068/efficacy-of-bacillus-calmette-guerin-strains-for-the-treatment-of-non-muscle-invasive-bladder-cancer-a-systematic-review-and-network-meta-analysis
#2
REVIEW
Brock E Boehm, John E Cornell, Hanzhang Wang, Neelam Mukherjee, Jacob S Oppenheimer, Robert S Svatek
PURPOSE: To determine the efficacy of genetically distinct Bacillus Calmette-Guérin (BCG) strains in preventing disease recurrence for patients with non-muscle invasive bladder cancer (NMIBC). EXPERIMENTAL DESIGN: We conducted a systematic review and network meta-analysis of trials evaluating BCG strains against all possible comparators (different BCG strains, chemotherapy, and non-BCG biologic therapies) and intravesical chemotherapy as the common comparator. MEDLINE served as the primary data source, with search from inception to October 2016 for clinical trials involving patients with NMIBC receiving BCG...
March 9, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28278504/assessing-the-feasibility-of-replacing-standard-dose-bacillus-calmette-gu%C3%A3-rin-immunotherapy-with-other-intravesical-instillation-therapies-in-bladder-cancer-patients-a-network-meta-analysis
#3
Cheng Wu, Xunrong Zhou, Chunqing Miao, Jianzhong Zhang, Qingsheng Tang, Xiumei Chang, Haodong Ni
BACKGROUND: Bacillus Calmette-Guérin (BCG) immunotherapy plays a key role in patients with bladder cancer. The shortage of intravesical BCG has motivated researchers to seek alternatives with equivalent efficacy If other alternative intravesical agents have equivalent efficacy compared to BCG, then it may be feasible to replace standard BCG with alternative options. METHODS: We searched all relevant evidence in multiple sources and key data was extracted from included studies...
March 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28268259/intravesical-bacillus-calmette-gu%C3%A3-rin-with-interferon-alpha-versus-intravesical-bacillus-calmette-gu%C3%A3-rin-for-treating-non-muscle-invasive-bladder-cancer
#4
REVIEW
Andrew Rh Shepherd, Emily Shepherd, Nicholas R Brook
BACKGROUND: Despite local therapies, commonly transurethral resection (TUR) followed by adjuvant treatments, non-muscle-invasive bladder cancer (NMIBC) has a high rate of recurrence and progression. Intravesical Bacillus Calmette-Guérin (BCG) has been shown to reduce recurrence and progression in people with NMIBC following TUR, however many people do not respond to treatment, have recurrence shortly after, or cannot tolerate standard-dose therapy. The potential for synergistic antitumour activity of interferon (IFN)-alpha (α) and BCG provides some rationale for combination therapy for people who do not tolerate or respond to standard-dose BCG therapy...
March 8, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28250302/henoch-sch%C3%A3-nlein-purpura-nephritis-associated-with-intravesical-bacillus-calmette-guerin-bcg-therapy
#5
Hiroyuki Tsukada, Hiroshi Miyakawa
Henoch Schönlein purpura (HSP), also known as IgA vasculitis (IgAV), is a systemic small-vessel vasculitis that predominantly affects adolescents and is rare in adults. In many cases, the onset of HSP has been causally linked to an infectious disease. We encountered a case of HSP with severe renal involvement diagnosed by renal biopsy following bacillus Calmette-Guerin (BCG) therapy for bladder cancer. This is of clinical relevance, as intravesical BCG administration is becoming an established therapy for superficial bladder cancer and is supposed to be safe...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28248951/bcg-unresponsive-non-muscle-invasive-bladder-cancer-recommendations-from-the-ibcg
#6
REVIEW
Ashish M Kamat, Marc Colombel, Debasish Sundi, Donald Lamm, Andreas Boehle, Maurizio Brausi, Roger Buckley, Raj Persad, Joan Palou, Mark Soloway, J Alfred Witjes
Intravesical immunotherapy with live attenuated BCG remains the standard of care for patients with high-risk and intermediate-risk non-muscle-invasive bladder cancer (NMIBC). Most patients initially respond, but recurrence is frequent and progression to invasive cancer is a concern. No established and effective intravesical therapies are available for patients whose tumours recur after BCG, representing a clinically important unmet need. Development and discovery of treatment options for BCG-unresponsive NMIBC is a high priority in order to decrease the morbidity, burden of health-care expenditures, and mortality related to bladder cancer...
February 21, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28224172/multi-parametric-mri-findings-of-granulomatous-prostatitis-developing-after-intravesical-bacillus-calmette-gu%C3%A3-rin-therapy
#7
Josh Gottlieb, Robert Princenthal, Martin I Cohen
PURPOSE: To evaluate the multi-parametric MRI (mpMRI) findings in patients with biopsy-proven granulomatous prostatitis and prior Bacillus Calmette-Guérin (BCG) exposure. MATERIALS AND METHODS: MRI was performed in six patients with pathologically proven granulomatous prostatitis and a prior history of bladder cancer treated with intravesical BCG therapy. Multi-parametric prostate MRI images were recorded on a GE 750W or Philips Achieva 3.0 Tesla MRI scanner with high-resolution, small-field-of-view imaging consisting of axial T2, axial T1, coronal T2, sagittal T2, axial multiple b-value diffusion (multiple values up to 1200 or 1400), and dynamic contrast-enhanced 3D axial T1 with fat suppression sequence...
February 21, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28197393/preclinical-efficacy-and-safety-of-the-ty21a-vaccine-strain-for-intravesical-immunotherapy-of-non-muscle-invasive-bladder-cancer
#8
Sonia Domingos-Pereira, Valérie Cesson, Mathieu F Chevalier, Laurent Derré, Patrice Jichlinski, Denise Nardelli-Haefliger
Intravesical Bacillus-Calmette-Guérin (BCG) immunotherapy can reduce recurrence/progression of non-muscle-invasive bladder cancer (NMIBC), although significant adverse events and treatment failure argue for alternative options. Here, we examined whether another attenuated live vaccine, Vivotif/Ty21a, used since more than 30 y against typhoid fever, may be safely used intravesically to improve bladder-tumor treatment. Mice-bearing MB49 orthotopic bladder-tumors treated with intravesical Ty21a or BCG were compared for survival and bacteria recovery...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28185020/natural-course-of-asymptomatic-abnormal-prostate-findings-incidentally-detected-by-ct-after-intravesical-bcg-therapy
#9
Masashi Matsushima, Eiji Kikuchi, Hirotaka Akita, Akira Miyajima, Mototsugu Oya, Masahiro Jinzaki
BACKGROUND: Detailed information is not currently available on the incidence, natural course, and management of asymptomatic abnormal prostate findings incidentally detected by radiologic evaluations after BCG therapy for non-muscle-invasive bladder cancer patients. METHODS: We identified 38 patients who were evaluated by contrast-enhanced CT scans before TUR-BT and after BCG therapy between 2006 and 2012. We evaluated the clinical courses of patients with abnormal radiologic findings of the prostate gland after BCG therapy...
February 10, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28168135/outcomes-of-bcg-induction-in-high-risk-non-muscle-invasive-bladder-cancer-patients-nmibc-a-retrospective-cohort-study
#10
Muhammad T Pirzada, Rashid Ghauri, Monis J Ahmed, Muhammad F Shah, Irfan Ul Islam Nasir, Jasim Siddiqui, Irfan Ahmed, Khurram Mir
Non-muscle-invasive bladder cancer (NMIBC) is categorized into high-risk and low-risk groups. Although, bacillus Calmette-Guerin (BCG) is the recommended adjuvant therapy of high-risk bladder tumor, optimal schedule (induction versus maintenance) of this therapy is a subject of debate. The objective was to evaluate outcomes of induction BCG in high-risk NMIBC patients at Shaukat Khanum Memorial Cancer Hospital & Research Centre, Pakistan and retrospective cohort study conducted in the department of urology, Shaukat Khanum Memorial Cancer Hospital & Research Centre, Pakistan...
January 5, 2017: Curēus
https://www.readbyqxmd.com/read/28165132/nonmuscle-invasive-bladder-cancer-what-s-changing-and-what-has-changed
#11
Ramanitharan Manikandan, Oscar Rodriguez, Rubén Parada, Joan Palou Redorta
PURPOSE: Nonmuscle-invasive bladder cancer (NMIBC) is a challenging disease to manage primarily due to its varied clinical course. The management of NMIBC has witnessed a widespread change with respect to its diagnosis and treatment. Although transurethral resection (TUR) and adjuvant bacillus Calmette-Guerin (BCG) stills remain the cornerstone, newer protocols has come into vogue to achieve optimal care. On the basis of a literature review, we aimed to establish 'what changes has already occurred and what is expected in the future' in NMIBC...
February 3, 2017: Urologia
https://www.readbyqxmd.com/read/28163086/long-term-survival-outcomes-with-intravesical-nanoparticle-albumin-bound-paclitaxel-for-recurrent-nonmuscle-invasive-bladder-cancer-after-previous-bacillus-calmette-gu%C3%A3-rin-therapy
#12
Dennis J Robins, Wilson Sui, Justin T Matulay, Rashed Ghandour, Christopher B Anderson, G Joel DeCastro, James M McKiernan, John K Lattimer
OBJECTIVE: To report long-term follow up results of a phase II trial of salvage intravesical nanoparticle albumin bound (nab)-paclitaxel for patients with recurrent non-muscle invasive bladder cancer after previous intravesical Bacillus Calmette-Guérin (BCG) therapy. METHODS: This was a phase II trial investigating the use of intravesical nab-paclitaxel in patients with recurrent Tis, Ta, and T1 urothelial carcinoma who failed at least one prior induction course of intravesical BCG...
February 2, 2017: Urology
https://www.readbyqxmd.com/read/28149937/efficacy-of-mycobacterium-phlei-cell-wall-nucleic-acid-complex-mcna-in%C3%A2-bcg-unresponsive-patients
#13
Roger Li, John Amrhein, Zvi Cohen, Monique Champagne, Ashish M Kamat
Background: We have previously reported the results of a prospective multi-institutional study on the efficacy of MCNA in patients who recurred after intravesical BCG treatment [1]. Since that publication, a new standardized definition for BCG-unresponsiveness has been established [2]. Objective: We re-analyzed the oncologic outcomes following intravesical MCNA in patients classified as BCG-unresponsive according to the new definition. Methods: For this analysis, we focused on the enrolled patients who satisfied the requirements for BCG Unresponsiveness: i...
January 27, 2017: Bladder Cancer
https://www.readbyqxmd.com/read/28126017/ruptured-aortic-aneurysm-due-to-mycobacterium-bovis-bcg-with-a-delayed-bacteriological-diagnosis-due-to-false-negative-result-of-the-mpb-64-immunochromatographic-assay
#14
J Simar, L Belkhir, B Tombal, E André
BACKGROUND: Adjuvant therapy with bacillus Calmette-Guerin (BCG), a live attenuated strain of Mycobacterium bovis, has become the treatment of choice for low-risk superficial bladder carcinoma following transurethral resection of the bladder. Complications following vesical BCG instillations are uncommon but, in some cases, severe side-effects can occur such as sepsis or mycotic aneurysm. Besides usual laboratory techniques used for the diagnosis of Mycobacterium tuberculosis complex (MTBC) infections (smear microscopy and cultures), commercial immunochromatographic assays detecting MBP64, a 24 kDa M...
January 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28112819/non-muscle-invasive-bladder-cancer-intravesical-treatments-beyond-bacille-calmette-gu%C3%A3-rin
#15
REVIEW
Vignesh T Packiam, Scott C Johnson, Gary D Steinberg
An unmet need exists for patients with high-risk non-muscle-invasive bladder cancer for whom bacille Calmette-Guérin (BCG) has failed and who seek further bladder-sparing approaches. This shortcoming poses difficult management dilemmas. This review explores previously investigated first-line intravesical therapies and discusses emerging second-line treatments for the heterogeneous group of patients for whom BCG has failed. The myriad of recently published and ongoing trials assessing novel salvage intravesical treatments offer promise to patients who both seek an effective cure and want to avoid radical surgery...
February 1, 2017: Cancer
https://www.readbyqxmd.com/read/28041998/bacillus-calmette-guerin-strain-may-not-effect-recurrence-free-survival-when-used-intravesically-with-interferon-alpha2b-for-non-muscle-invasive-bladder-cancer
#16
Ryan L Steinberg, Nathan A Brooks, Lewis J Thomas, Sarah L Mott, Michael A O'Donnell
OBJECTIVES: Adjuvant intravesical Bacillus Calmette-Guerin (BCG) remains the standard-of-care for high-grade non-muscle-invasive bladder cancer (NMIBC). Conflicting reports exist regarding disparate outcomes among BCG strains. We sought to determine whether a difference in recurrence-free survival (RFS) existed between TICE BCG and Connaught BCG strains used with interferon (IFN) for the treatment of NMBIC. MATERIALS AND METHODS: A post hoc analysis of the phase 2 BCG/IFN study, conducted from May 1999 to February 2001...
December 29, 2016: Urologic Oncology
https://www.readbyqxmd.com/read/28027868/intravesical-therapy-for-the-treatment-of-nonmuscle-invasive-bladder-cancer-a-systematic-review-and-meta-analysis
#17
REVIEW
Roger Chou, Shelley Selph, David I Buckley, Rongwei Fu, Jessica C Griffin, Sara Grusing, John L Gore
PURPOSE: We systematically review the benefits and harms of intravesical therapies for nonmuscle invasive bladder cancer. MATERIALS AND METHODS: Systematic literature searches were performed of Ovid MEDLINE (January 1990 through February 2016), the Cochrane databases and reference lists. Randomized and quasi-randomized trials of intravesical bacillus Calmette-Guérin, mitomycin C, gemcitabine, thiotepa, valrubicin, doxorubicin, epirubicin and interferon vs transurethral bladder tumor resection alone, and head-to-head trials of intravesical therapies were selected...
December 24, 2016: Journal of Urology
https://www.readbyqxmd.com/read/28010156/bacillus-calmette-gu%C3%A3-rin-infection-and-cytotoxicity-in-the-retinal-pigment-epithelium
#18
Victor Llorenç, Marina Mesquida, Blanca Molins, Julian Gonzalez-Martín, Maite Sainz de la Maza, Alfredo Adán
PURPOSE: To investigate bacillus Calmette-Guérin (BCG) infective capability and cytotoxicity in ARPE-19 cells. METHODS: BCG inoculum was dispensed at a MOI 100:1 for 3 h in 90% confluent ARPE-19 cells. Infection rates at different time points were determined by colony forming units (CFU) count and, in parallel, by the number of microscopically infected cells. WST-1 reagent was used for cytotoxicity assays. RESULTS: A 67-year-old man previously treated with intravesical BCG for bladder carcinoma presented with chronic, refractory, bilateral uveitis with macular edema...
December 23, 2016: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28005163/intratumoral-th2-predisposition-combines-with-an-increased-th1-functional-phenotype-in-clinical-response-to-intravesical-bcg-in-bladder-cancer
#19
Renate Pichler, Georg Gruenbacher, Zoran Culig, Andrea Brunner, Dietmar Fuchs, Josef Fritz, Hubert Gander, Andrea Rahm, Martin Thurnher
Th1-type immunity is considered to be required for efficient response to BCG in bladder cancer, although Th2 predisposition of BCG responders has recently been reported. The aim was to evaluate the relationship of Th1 and Th2 components in 23 patients undergoing BCG treatment. Peripheral blood, serum and urine samples were prospectively collected at baseline, during and after BCG. Th1 (neopterin, tryptophan, kynurenine, kynurenine-to-tryptophan ratio (KTR), IL-12, IFN-γ, soluble TNF-R75 and IL-2Rα) and Th2 (IL-4, IL-10) biomarkers as well as CD4 expression in T helper (Th), effector and regulatory T cells were determined...
April 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/27960233/iatrogenic-changes-in-the-urinary-tract
#20
REVIEW
Antonio Lopez-Beltran, Gladell P Paner, Rodolfo Montironi, Maria R Raspollini, Liang Cheng
A handful of therapeutic procedures are used to treat malignancies of the urinary tract, most frequently intravesical immunotherapy or chemotherapy, but also neoadjuvant systemic chemotherapy. These treatment modalities produce morphological changes in the urothelium that can be mistaken for carcinoma; in particular, these therapies frequently mimic urothelial carcinoma in situ (CIS) urothelial dysplasia or true invasive neoplasia. Drugs such as mitomycin C used after transurethral resection of bladder tumour to reduce recurrences, bacillus Calmette-Guérin (BCG) intravesical immunotherapy to treat high-risk non-muscle-invasive bladder cancer and urothelial CIS and platin-based systemic chemotherapy to improve postcystectomy disease-specific survival are examples of therapy-related atypia seen in the urinary tract...
January 2017: Histopathology
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