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Patterns of Smoking Cessation Strategies and Perception of E-cigarette Harm Among Bladder Cancer Survivors 1 膀胱癌幸存者的戒烟策略模式和对电子烟危害的认知 1
IF 1.1 4区 医学
Bladder Cancer Pub Date : 2024-02-19 DOI: 10.3233/blc-230093
Jobin Chandi, Srinath Soundararajan, William Bukowski, Wes Britt, Kristin Weiss, Richard S. Matulewicz, Hannah Kay, Adam O. Goldstein, Kimberly A. Shoenbill, Marc A. Bjurlin
{"title":"Patterns of Smoking Cessation Strategies and Perception of E-cigarette Harm Among Bladder Cancer Survivors 1","authors":"Jobin Chandi, Srinath Soundararajan, William Bukowski, Wes Britt, Kristin Weiss, Richard S. Matulewicz, Hannah Kay, Adam O. Goldstein, Kimberly A. Shoenbill, Marc A. Bjurlin","doi":"10.3233/blc-230093","DOIUrl":"https://doi.org/10.3233/blc-230093","url":null,"abstract":"<h4><span>Abstract</span></h4><h3><span></span>BACKGROUND:</h3><p>\u0000Cigarette smoking is the leading preventable cause of bladder cancer (BC). Some proponents of e-cigarettes describe their use as a risk mitigation strategy despite potential carcinogen exposure and uncertain long-term risks.</p><h3><span></span>OBJECTIVE:</h3><p>\u0000We assessed smoking cessation strategies, including e-cigarette use, and harm perception among patients with BC.</p><h3><span></span>METHODS:</h3><p>\u0000We performed a cross-sectional study on a convenience sample of patients with BC at a single institution from August 2021 –October 2022. The survey instrument was sourced from the Cancer Patient Tobacco Use Questionnaire (C-TUQ) from the American Association for Cancer Research with standardized questions on tobacco use, cessation questions, and e-cigarette harm perceptions.</p><h3><span></span>RESULTS:</h3><p>Of the 104 surveyed BC patients (mean age: 72 years; 27% female; 55% with muscle-invasive disease), 20% were current smokers (median pack years: 40) and 51% were former smokers (median pack years: 20). A minority (9%) had quit smoking at the time of diagnosis. Pharmacotherapy for smoking cessation included nicotine patches (25%), gum (21%), lozenges (8%), e-cigarettes (8%), and Varenicline/Bupropion (4%). Notably, 43% of patients who continued to smoke expressed willingness to switch to e-cigarettes as a cessation aid. E-cigarette users (11%) more commonly perceived e-cigarettes as non-harmful compared to former (4%) and non-smokers (4%) (<i>P</i> = .048), though all groups regarded e-cigarettes as equally addictive as traditional cigarettes.</p><h3><span></span>CONCLUSIONS:</h3><p>\u0000Despite the prevalence of BC survivors who continue to smoke, a significant proportion perceive e-cigarettes as a viable and less harmful cessation aid. The infrequent use of FDA-approved pharmacotherapies underscores potential implementation gaps. These findings highlight the need for further research and targeted interventions in addressing smoking cessation among BC survivors.</p>","PeriodicalId":54217,"journal":{"name":"Bladder Cancer","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139921200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Noninvasive Tests for Bladder Cancer Detection and Surveillance: A Systematic Review of Commercially Available Assays 用于膀胱癌检测和监控的无创检验:市售检测方法系统回顾
IF 1.1 4区 医学
Bladder Cancer Pub Date : 2024-02-14 DOI: 10.3233/blc-230096
John R. Heard, Anirban P. Mitra
{"title":"Noninvasive Tests for Bladder Cancer Detection and Surveillance: A Systematic Review of Commercially Available Assays","authors":"John R. Heard, Anirban P. Mitra","doi":"10.3233/blc-230096","DOIUrl":"https://doi.org/10.3233/blc-230096","url":null,"abstract":"<h4><span>Abstract</span></h4><h3><span></span>BACKGROUND:</h3><p>\u0000An important reason for the high health care costs associated with bladder cancer is the need for frequent cystoscopy for detection and surveillance of this disease. Cytologic analysis of voided urine specimens can assist, but is too inaccurate to replace cystoscopy. In an effort to create reliable, objective, noninvasive mechanisms for detecting bladder cancer, a number of urine-based molecular tests have been developed with the ultimate goal of reducing the frequency of cystoscopy.</p><h3><span></span>OBJECTIVE:</h3><p>\u0000To summarize the performance of urine-based biomarker tests, currently commercially available in the US, as part of the initial workup for hematuria and for bladder cancer surveillance.</p><h3><span></span>METHODS:</h3><p>\u0000In accordance with PRISMA guidelines we performed a systematic review of the literature on the performance of NMP22, BTA, UroVysion, ImmunoCyt/uCyt, CxBladder, and Bladder EpiCheck. Median sensitivity, specificity, negative (NPV) and positive predictive values (PPV) were calculated for each test based on the included studies.</p><h3><span></span>RESULTS:</h3><p>\u0000Twenty-eight studies met inclusion criteria for the performance of five urine-based biomarker tests in the setting hematuria workup. Median sensitivity ranged from 65.7% –100% and specificity ranged from 62.5% –93.8% . Median NPV ranged from 94.2% –98.3% and PPV ranged from 29% –58.7% . Fourteen studies met inclusion criteria for the performance of six tests in the setting of bladder cancer surveillance. Median sensitivity ranged from 22.6% –92.0% and specificity from 20.5% –97.9% . Median NPV ranged from 52.9% –96.5% and PPV ranged from 48.1% –75.7% .</p><h3><span></span>CONCLUSIONS:</h3><p>\u0000Our analysis finds that while these tests may provide some clinical utility, none of the assays have thus far demonstrated objective evidence to supplant the gold diagnostic standard.</p>","PeriodicalId":54217,"journal":{"name":"Bladder Cancer","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139769534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Bacille Calmette-Guérin for Non–Muscle-Invasive Bladder Cancer After Prostate Radiotherapy 卡介苗治疗前列腺放疗后非肌层浸润性膀胱癌的效果
IF 1.1 4区 医学
Bladder Cancer Pub Date : 2024-01-22 DOI: 10.3233/blc-230073
Adri M. Durant, Yeonsoo S. Lee, Lanyu Mi, Kassem Faraj, Timothy D. Lyon, Parminder Singh, Mark D. Tyson II
{"title":"Effect of Bacille Calmette-Guérin for Non–Muscle-Invasive Bladder Cancer After Prostate Radiotherapy","authors":"Adri M. Durant, Yeonsoo S. Lee, Lanyu Mi, Kassem Faraj, Timothy D. Lyon, Parminder Singh, Mark D. Tyson II","doi":"10.3233/blc-230073","DOIUrl":"https://doi.org/10.3233/blc-230073","url":null,"abstract":"<h4><span>Abstract</span></h4><h3><span></span>BACKGROUND:</h3><p>Little is known about the impact of prior prostate radiation therapy (RT) on the Bacille Calmette-Guerin (BCG) immunotherapy response in patients with non-muscle invasive bladder cancer (NMIBC).</p><h3><span></span>OBJECTIVE:</h3><p>We hypothesized that the damaging radiation effects on the bladder could negatively influence BCG efficacy.</p><h3><span></span>METHODS:</h3><p>Men with a history of high-risk NMIBC were identified within the Surveillance, Epidemiology, and End Results–Medicare database. All patients completed adequate BCG defined as at least 5 plus 2 treatments completed within 12 months. Patients were stratified into 2 groups: with prior RT for prostate cancer and without prior RT before the diagnosis of NMIBC. The primary endpoint was a 5-year composite for progression defined as disease progression requiring systemic chemotherapy, checkpoint inhibitors, radical or partial cystectomy, or cancer-specific death.</p><h3><span></span>RESULTS:</h3><p>We identified 3,466 patients with NMIBC, including 145 with prior RT for prostate cancer. Five-year progression occurred in 471 patients (13.6%). Patients with prior RT were older than patients without prior RT (77.0 vs 75.0 years; <i>P</i> &lt; .001). The distribution of T stage was significantly different at diagnosis between the RT and non-RT groups (RT: Ta, 44.8% ; Tis, 18.6% ; T1, 36.6% ; without RT: Ta, 40.9% ; Tis, 10.8% ; T1, 48.3% ; <i>P</i> = .002). No difference in the risk of total progression was observed between patients with and without prior RT (<i>P</i> = .67). Similarly, no difference was observed after multivariable adjustment (hazard ratio, 0.99; 95% CI, 0.61-1.58; <i>P</i> = .95).</p><h3><span></span>CONCLUSION:</h3><p>For patients with NMIBC who undergo adequate BCG treatment, prior RT for prostate cancer was not associated with worse 5-year progression-free survival.</p>","PeriodicalId":54217,"journal":{"name":"Bladder Cancer","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139560846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Potential of an mRNA-Based Urine Assay (Xpert ® Bladder Cancer Detection 1) in Hematuria Patients - Results from a Cohort Study 基于 mRNA 的尿液检测(Xpert ® 膀胱癌检测 1)在血尿患者中的应用潜力--一项队列研究的结果
IF 1.1 4区 医学
Bladder Cancer Pub Date : 2024-01-08 DOI: 10.3233/blc-230089
Claudia Schmitz-Dräger, Peter J. Goebell, Ellen Paxinos, Ekkehardt Bismarck, Jack Chen, Priya Balakrishnan, Michael Bates, Thomas Ebert, Bernd J. Schmitz-Dräger, Natalya Benderska-Söder
{"title":"Potential of an mRNA-Based Urine Assay (Xpert ® Bladder Cancer Detection 1) in Hematuria Patients - Results from a Cohort Study","authors":"Claudia Schmitz-Dräger, Peter J. Goebell, Ellen Paxinos, Ekkehardt Bismarck, Jack Chen, Priya Balakrishnan, Michael Bates, Thomas Ebert, Bernd J. Schmitz-Dräger, Natalya Benderska-Söder","doi":"10.3233/blc-230089","DOIUrl":"https://doi.org/10.3233/blc-230089","url":null,"abstract":"<h4><span>Abstract</span></h4><h3><span></span>BACKGROUND AND OBJECTIVE:</h3><p>Assessment of patients with hematuria (aH) remains a challenge in urological practice, balancing the benefits of diagnosing a potentially underlying bladder cancer (UCa) against the risks of possibly unnecessary diagnostic interventions. This study analyzes the potential of an mRNA-based urine assay, the Xpert<sup>®</sup> Bladder Cancer Detection- CE-IVD (Xpert BC-D), in patients with hematuria.</p><h3><span></span>MATERIALS AND METHODS:</h3><p>Overall, 368 patients with newly observed painless hematuria and no history of UCa were included in this observational study. Patients received urological workup, including urethrocystoscopy (WLC), upper tract imaging, urine cytology and Xpert BC-D. Patients with positive WLC were recommended to undergo tumor resection (TUR-B).</p><h3><span></span>RESULTS:</h3><p>After excluding non-assessable cases, 324 patients were considered for analysis (188 males, 136 females; median age: 61 years). Eight of twenty-eight patients with a positive TUR-B had Ta low grade (LG) tumors; the others were diagnosed with high grade (HG) lesions (Ta: 4, CIS: 2, T1:11, &gt; T1:3). The Xpert BC-D was more sensitive than urine cytology (96% vs. 61%) (<i>p</i> = 0.002). Increased risk ratios (RR) were observed for gross hematuria, gender, urine cytology, and positive Xpert BC-D (all <i>p</i> &lt; 0.05). Age and positive Xpert BC-D remained independent predictors of UCa in multivariate analysis. Simulating a triage with WLC restricted to patients with positive Xpert BC-D could have saved 240 (74.1%) assessments at the cost of missing one pTa LG tumor.</p><h3><span></span>CONCLUSIONS:</h3><p>The results suggest a potential role for Xpert BC-D in preselecting patients with hematuria for either further invasive diagnosis or an alternate diagnostic procedure.</p>","PeriodicalId":54217,"journal":{"name":"Bladder Cancer","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139408145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficacy of Antibody Drug Conjugates Alone and in Combination with other Agents in Metastatic Urothelial Carcinoma: A Scoping Review 抗体药物共轭物单独或与其他药物联合治疗转移性尿路上皮癌的疗效:范围界定综述
IF 1.1 4区 医学
Bladder Cancer Pub Date : 2024-01-04 DOI: 10.3233/blc-230070
Michael J. Grant, Paul Stockhammer, Matthew R. Austin, Zsuzsanna Nemeth, Daniel P. Petrylak
{"title":"Efficacy of Antibody Drug Conjugates Alone and in Combination with other Agents in Metastatic Urothelial Carcinoma: A Scoping Review","authors":"Michael J. Grant, Paul Stockhammer, Matthew R. Austin, Zsuzsanna Nemeth, Daniel P. Petrylak","doi":"10.3233/blc-230070","DOIUrl":"https://doi.org/10.3233/blc-230070","url":null,"abstract":"<h4><span>Abstract</span></h4><h3><span></span>INTRODUCTION:</h3><p>\u0000Antibody drug conjugates represent a promising class of antineoplastic agents comprised of a monoclonal antibody linked to a potent cytotoxic payload for targeted delivery of chemotherapy to tumors. Various antibody drug conjugates have demonstrated impressive efficacy in patients with metastatic urothelial carcinoma in clinical trials, leading to two FDA approved therapies and several other agents and combinations in clinical development.</p><h3><span></span>MATERIALS AND METHODS:</h3><p>\u0000A comprehensive systematic review was undertaken utilizing the principles of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement. Queried databases included Ovid MEDLINE, Ovid Embase, Web of Science Core Collection and Cochrane CENTRAL Trials. The search sought to identify prospective therapeutic clinical trials in humans with metastatic urothelial carcinoma with a single-arm or randomized controlled trial design investigating antibody drug conjugate-containing regimens.</p><h3><span></span>RESULTS:</h3><p>\u0000The literature search yielded 4,929 non-duplicated articles, of which 30 manuscripts and conference abstracts were included, which derived from 15 clinical trials including 19 separate cohorts with efficacy outcome results. Eleven trials investigated ADC monotherapy, while two investigated combination regimens, and the remaining two studies were mixed. Five unique ADC targets were represented including Nectin-4, Trop-2, HER2, Tissue Factor, and SLITRK6. Twelve clinical trial cohorts required prior treatment (63%). Objective response rate was reported for all studies and ranged from 27–52% for ADC monotherapies and 34–75% for ADC plus anti-PD-1 agents. Time to event outcome reporting was highly variable.</p><h3><span></span>CONCLUSION:</h3><p>\u0000In addition to enfortumab vedotin and sacituzumab govitecan, various HER2-targeted antibody drug conjugates and ADC-anti-PD-1 combination regimens have demonstrated efficacy in clinical trials and are poised for clinical advancement.</p>","PeriodicalId":54217,"journal":{"name":"Bladder Cancer","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139408138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Patterns of Smoking Cessation Strategies and Perception of E-cigarette Harm Among Bladder Cancer Survivors. 膀胱癌幸存者的戒烟策略模式和对电子烟危害的认知。
IF 1 4区 医学
Bladder Cancer Pub Date : 2024-01-01 Epub Date: 2024-03-12 DOI: 10.3233/BLC-230093
Jobin Chandi, Srinath Soundararajan, William Bukowski, Wes Britt, Kristin Weiss, Richard S Matulewicz, Hannah Kay, Adam O Goldstein, Kimberly A Shoenbill, Marc A Bjurlin
{"title":"Patterns of Smoking Cessation Strategies and Perception of E-cigarette Harm Among Bladder Cancer Survivors.","authors":"Jobin Chandi, Srinath Soundararajan, William Bukowski, Wes Britt, Kristin Weiss, Richard S Matulewicz, Hannah Kay, Adam O Goldstein, Kimberly A Shoenbill, Marc A Bjurlin","doi":"10.3233/BLC-230093","DOIUrl":"10.3233/BLC-230093","url":null,"abstract":"<p><strong>Background: </strong>Cigarette smoking is the leading preventable cause of bladder cancer (BC). Some proponents of e-cigarettes describe their use as a risk mitigation strategy despite potential carcinogen exposure and uncertain long-term risks.</p><p><strong>Objective: </strong>We assessed smoking cessation strategies, including e-cigarette use, and harm perception among patients with BC.</p><p><strong>Methods: </strong>We performed a cross-sectional study on a convenience sample of patients with BC at a single institution from August 2021 - October 2022. The survey instrument was sourced from the Cancer Patient Tobacco Use Questionnaire (C-TUQ) from the American Association for Cancer Research with standardized questions on tobacco use, cessation questions, and e-cigarette harm perceptions.</p><p><strong>Results: </strong>Of the 104 surveyed BC patients (mean age: 72 years; 27% female; 55% with muscle-invasive disease), 20% were current smokers (median pack years: 40) and 51% were former smokers (median pack years: 20). A minority (9%) had quit smoking at the time of diagnosis. Pharmacotherapy for smoking cessation included nicotine patches (25%), gum (21%), lozenges (8%), e-cigarettes (8%), and Varenicline/Bupropion (4%). Notably, 43% of patients who continued to smoke expressed willingness to switch to e-cigarettes as a cessation aid. E-cigarette users (11%) more commonly perceived e-cigarettes as non-harmful compared to former (4%) and non-smokers (4%) (<i>P</i> = .048), though all groups regarded e-cigarettes as equally addictive as traditional cigarettes.</p><p><strong>Conclusions: </strong>Despite the prevalence of BC survivors who continue to smoke, a significant proportion perceive e-cigarettes as a viable and less harmful cessation aid. The infrequent use of FDA-approved pharmacotherapies underscores potential implementation gaps. These findings highlight the need for further research and targeted interventions in addressing smoking cessation among BC survivors.</p>","PeriodicalId":54217,"journal":{"name":"Bladder Cancer","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11192552/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141443757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
No Association Between BCG Instillations and COVID-19 Incidence in a Dutch Non-Muscle Invasive Bladder Cancer Cohort 荷兰非肌层浸润性膀胱癌队列中卡介苗注射与 COVID-19 发病率无关联
IF 1.1 4区 医学
Bladder Cancer Pub Date : 2023-12-13 DOI: 10.3233/blc-230088
Moniek van Zutphen, L. Kiemeney, Ursula T H Oldenhof, J. S. Maurits, J. A. Witjes, L. Joosten, M. Netea, Katja K. H. Aben, Alina Vrieling, S. Vermeulen
{"title":"No Association Between BCG Instillations and COVID-19 Incidence in a Dutch Non-Muscle Invasive Bladder Cancer Cohort","authors":"Moniek van Zutphen, L. Kiemeney, Ursula T H Oldenhof, J. S. Maurits, J. A. Witjes, L. Joosten, M. Netea, Katja K. H. Aben, Alina Vrieling, S. Vermeulen","doi":"10.3233/blc-230088","DOIUrl":"https://doi.org/10.3233/blc-230088","url":null,"abstract":"","PeriodicalId":54217,"journal":{"name":"Bladder Cancer","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139003803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Clinical Trials Corner Issue 9(4) 临床试验园地》第 9(4)期
IF 1.1 4区 医学
Bladder Cancer Pub Date : 2023-12-13 DOI: 10.3233/blc-239011
P. Agarwal, Cora N. Sternberg
{"title":"Clinical Trials Corner Issue 9(4)","authors":"P. Agarwal, Cora N. Sternberg","doi":"10.3233/blc-239011","DOIUrl":"https://doi.org/10.3233/blc-239011","url":null,"abstract":"","PeriodicalId":54217,"journal":{"name":"Bladder Cancer","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139005180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
What is a Bladder Cancer Molecular Subtype? 什么是膀胱癌症分子亚型?
IF 1 4区 医学
Bladder Cancer Pub Date : 2023-12-13 eCollection Date: 2023-01-01 DOI: 10.3233/BLC-220124
Mattias Höglund
{"title":"What is a Bladder Cancer Molecular Subtype?","authors":"Mattias Höglund","doi":"10.3233/BLC-220124","DOIUrl":"10.3233/BLC-220124","url":null,"abstract":"<p><strong>Background: </strong>Several molecular classification systems for bladder cancer have been proposed, but due to differences on how to define molecular subtypes, controversies and misunderstandings have arisen.</p><p><strong>Objective: </strong>To discuss different aspects of the molecular classification of bladder cancer and to point to the consequences of using different conceptual approaches. To question some underlying assumptions when defining molecular subtypes.</p><p><strong>Methods: </strong>To critically reflect on some of the principles and methods used when defining molecular subtypes.</p><p><strong>Results: </strong>Depending on underlying assumptions and aims for the definitions of subtypes, different types of molecular subtypes will be arrived at.</p><p><strong>Conclusion: </strong>The underlying assumptions and their consequences must be better clarified when defining molecular subtypes.</p>","PeriodicalId":54217,"journal":{"name":"Bladder Cancer","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11165936/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46120370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PARP Inhibitors for Metastatic Urothelial Carcinoma: A Systematic Review of Efficacy and Safety PARP 抑制剂治疗转移性尿路上皮癌:疗效与安全性系统综述
IF 1.1 4区 医学
Bladder Cancer Pub Date : 2023-12-13 DOI: 10.3233/blc-230071
S. Crabb, Taha Khalid, Lois Woods, Geoff Frampton, Jonathan Shepherd
{"title":"PARP Inhibitors for Metastatic Urothelial Carcinoma: A Systematic Review of Efficacy and Safety","authors":"S. Crabb, Taha Khalid, Lois Woods, Geoff Frampton, Jonathan Shepherd","doi":"10.3233/blc-230071","DOIUrl":"https://doi.org/10.3233/blc-230071","url":null,"abstract":"BACKGROUND: Poly (ADP-ribose) polymerase (PARP) inhibitors have activity in various cancers. Metastatic urothelial carcinoma (MUC) is platinum sensitive and a subset harbour DNA repair gene alterations. OBJECTIVE: To assess evidence for efficacy and safety of PARP inhibition for MUC. METHODS: This systematic review included randomised clinical trials (RCTs) evaluating PARP inhibitors as monotherapy, or in therapeutic combinations, compared to relevant comparators or best supportive care. The primary endpoint was progression free survival (PFS). We searched MEDLINE (Ovid), EMBASE, ClinicalTrials.gov and Cochrane Central Register of Controlled Trials from March 2013 to March 2023. Each study was appraised using the Cochrane Risk of Bias 2 Tool. Study results were synthesised descriptively. Registration: PROSPERO CRD42023403145. RESULTS: From 247 identified reports, we included three phase 2 RCTs including 252 patients. Two RCTs assessed PARP inhibition in unselected patient groups (one first line platinum ineligible, one post chemotherapy maintenance) and found no evidence of efficacy. All three RCTs assessed subgroups defined by biomarker selection for somatic DNA repair defects. Two of these identified PFS benefit with PARP inhibition compared to a relevant comparator (one first line in combination with immunotherapy, one maintenance monotherapy). Safety outcomes were consistent with prior experience of PARP inhibitors. The risk of bias across the outcomes was generally low. CONCLUSIONS: PARP inhibitors lack efficacy for unselected MUC patients. Phase 2 RCTs support further investigation of PARP inhibition within biomarker-selected patient subsets. The optimal biomarker is not yet determined. Limitations in the current evidence relate to small sample sizes and low statistical power.","PeriodicalId":54217,"journal":{"name":"Bladder Cancer","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139005245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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