| Markers predicting response to bacillus Calmette-Guérin immunotherapy in high-risk bladder cancer patients: a systematic review. | |
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MedLine Citation:
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PMID: 22000498 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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CONTEXT: Currently, bacillus Calmette-Guérin (BCG) intravesical instillations are standard treatment for patients with high-grade non-muscle-invasive bladder cancer; however, no markers are available to predict BCG response. OBJECTIVE: To review the contemporary literature on markers predicting BCG response, to discuss the key issues concerning the identification of predictive markers, and to provide recommendations for further research studies. EVIDENCE ACQUISITION: We performed a systematic review of the literature using PubMed and Embase databases in the period 1996-2010. The free-text search was extended by adding the following keywords: recurrence, progression, survival, molecular marker, prognosis, TP53, Ki-67, RB, fibronectin, immunotherapy, cytokine, interleukin, natural killer, macrophage, PMN, polymorphism, SNP, single nucleotide polymorphism, and gene signature. EVIDENCE SYNTHESIS: If thresholds for the detection of urinary interleukin (IL)-8, IL-18, and tumour necrosis factor apoptosis-inducing ligand levels are standardised, measurement of these cytokines holds promise in the assessment of BCG therapy outcome. Studies on immunohistochemical markers (ie, TP53, Ki-67, and retinoblastoma) display contradictory results, probably because of the small patient groups that were used and seem unsuitable to predict BCG response. Exploring combinations of protein levels might prove to be more helpful to establish the effect of BCG therapy. Single nucleotide polymorphisms, either in cytokines or in genes involved in DNA repair, need to be investigated in different ethnicities before their clinical relevance can be determined. Measurement of urinary IL-2 levels seems to be the most potent marker of all the clinical parameters reviewed. CONCLUSIONS: IL-2 levels are currently the most promising predictive markers of BCG response. For future studies focusing on new biomarkers, it is essential to make more use of new biomedical techniques such as microRNA profiling and genomewide sequencing. |
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Authors:
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Tahlita C M Zuiverloon; Annemieke J M Nieuweboer; Hedvig Vékony; Wim J Kirkels; Chris H Bangma; Ellen C Zwarthoff |
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Publication Detail:
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Type: Journal Article; Review Date: 2011-10-06 |
Journal Detail:
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Title: European urology Volume: 61 ISSN: 1873-7560 ISO Abbreviation: Eur. Urol. Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2011-11-29 Completed Date: 2012-03-30 Revised Date: 2012-04-04 |
Medline Journal Info:
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Nlm Unique ID: 7512719 Medline TA: Eur Urol Country: Switzerland |
Other Details:
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Languages: eng Pagination: 128-45 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 European Association of Urology. Published by Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Pathology, Erasmus Medical Centre Rotterdam, The Netherlands. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Administration, Intravesical BCG Vaccine / administration & dosage*, adverse effects Evidence-Based Medicine Humans Immunotherapy / adverse effects, methods* Patient Selection Predictive Value of Tests Treatment Outcome Tumor Markers, Biological / analysis*, genetics Urinary Bladder Neoplasms / chemistry, genetics, immunology, pathology, therapy* |
| Chemical | |
Reg. No./Substance:
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0/BCG Vaccine; 0/Tumor Markers, Biological |
| Comments/Corrections | |
Comment In:
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Eur Urol. 2012 Apr;61(4):846-7
[PMID:
22373880
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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