2024
Long‐term outcomes of bladder‐sparing therapy vs radical cystectomy in BCG‐unresponsive non‐muscle‐invasive bladder cancer
Taylor J, Kamat A, O'Donnell M, Annapureddy D, Howard J, Tan W, McElree I, Davaro F, Yim K, Harrington S, Dyer E, Black A, Kanabur P, Roumiguié M, Lerner S, Black P, Raman J, Preston M, Steinberg G, Huang W, Li R, Packiam V, Woldu S, Lotan Y. Long‐term outcomes of bladder‐sparing therapy vs radical cystectomy in BCG‐unresponsive non‐muscle‐invasive bladder cancer. BJU International 2024 PMID: 39183466, DOI: 10.1111/bju.16509.Peer-Reviewed Original ResearchNon-muscle-invasive bladder cancerBladder-sparing therapyUpfront RCRadical cystectomyCohort of patientsBladder cancerBCG-unresponsive NMIBCRetrospective cohort of patientsProgression to MIBCUpfront radical cystectomyCancer-specific survivalInstitutional review board approvalMetastasis-free survivalFood and Drug Administration criteriaRate of recurrenceReview board approvalLong-term outcomesStatistically significant differenceNodal diseaseRe-resectionSystemic immunotherapyIntravesical chemotherapyOncological outcomesOverall survivalOncological riskONCOLOGIC OUTCOMES OF GEMCITABINE-DOCETAXEL COMBINATION INTRAVESICAL BLADDER SPARING THERAPY COMPARED TO UPFRONT RADICAL CYSTECTOMY IN BCG-UNRESPONSIVE NON-MUSCLE INVASIVE BLADDER CANCER
Annapureddy D, Taylor J, Howard J, Woldu S, Lotan Y, Tan W, Kamat A, McElree I, Packiam V, O'Donnell M, Facundo D, Li R, Yim K, Preston M, Harrington S, Dyer E, Raman J, Black A, Black P, Kanabur P, Lerner S, Roumiguié M, Steinberg G, Huang W. ONCOLOGIC OUTCOMES OF GEMCITABINE-DOCETAXEL COMBINATION INTRAVESICAL BLADDER SPARING THERAPY COMPARED TO UPFRONT RADICAL CYSTECTOMY IN BCG-UNRESPONSIVE NON-MUSCLE INVASIVE BLADDER CANCER. Urologic Oncology Seminars And Original Investigations 2024, 42: s52-s53. DOI: 10.1016/j.urolonc.2024.01.160.Peer-Reviewed Original ResearchNon-muscle invasive bladder cancerBladder-sparing therapyBCG-unresponsive diseaseBCG-unresponsive NMIBCMultinational cohort of patientsUpfront RCCancer-specific survivalInvasive bladder cancerRadical cystectomyOncological outcomesCohort of patientsAdequate BCGBCG therapyBCG-unresponsiveSalvage therapySpecific survivalBladder cancerMultinational cohortBCG-unresponsive NMIBC patientsAdequate BCG therapyBladder sparing therapyCombination intravesical therapyMaintenance BCG therapyNode positivity rateCompare oncologic outcomesInfluence of lamina propria invasion extension on T1 high‐grade non‐muscle‐invasive bladder cancer in patients undergoing BCG or radical cystectomy
Contieri R, Tan W, Grajales V, Hensley P, Martini A, Bree K, Myers A, Nogueras‐Gonzalez G, Navai N, Dinney C, Guo C, Kamat A. Influence of lamina propria invasion extension on T1 high‐grade non‐muscle‐invasive bladder cancer in patients undergoing BCG or radical cystectomy. BJU International 2024, 133: 733-741. PMID: 38374533, DOI: 10.1111/bju.16293.Peer-Reviewed Original ResearchConceptsNon-muscle-invasive bladder cancerImmediate radical cystectomyCancer-specific survivalMetastasis-free survivalProgression-free survivalT1 substagingOverall survivalRadical cystectomyPathology reportsBladder cancerHigh-grade non-muscle-invasive bladder cancerPatients treated with bacillus Calmette-GuerinAssociated with poor progression-free survivalInstitutional review board-approved retrospective studyPatients treated with BCGPoor progression-free survivalLamina propriaAssociated with upstagingBCG-treated patientsCalculate overall survivalTreated with BCGKaplan-Meier methodHigh-grade patientsMultivariate Cox modelInvasive characteristics
2023
Bladder-sparing Treatment in Patients with Bacillus Calmette-Guerin–unresponsive Non–muscle-invasive Bladder Cancer: An Analysis of Long-term Survival Outcomes
Tan W, Grajales V, Contieri R, Hensley P, Bree K, Msaouel P, Guo C, Nogueras-Gonzalez G, Navai N, Dinney C, Kamat A. Bladder-sparing Treatment in Patients with Bacillus Calmette-Guerin–unresponsive Non–muscle-invasive Bladder Cancer: An Analysis of Long-term Survival Outcomes. European Urology Open Science 2023, 53: 16-22. PMID: 37441349, PMCID: PMC10334230, DOI: 10.1016/j.euros.2023.04.013.Peer-Reviewed Original ResearchNon-muscle-invasive bladder cancerBladder-sparing treatmentLong-term survival outcomesCancer-specific survivalBCG-unresponsive NMIBC patientsEarly radical cystectomyRadical cystectomySurvival outcomesOverall survivalBladder cancerDelayed RCNMIBC patientsEarly RCAnalysis of long-term survival outcomesHigh-grade recurrenceProgression-free rateRecurrence-free rateMedian follow-upShort-term outcomesLong-term outcomesCurrent smoker statusCT1 diseaseLymphovascular invasionVariant histologyPrimary endpoint
2022
A systematic review and meta-analysis on delaying surgery for urothelial carcinoma of bladder and upper tract urothelial carcinoma: Implications for the COVID19 pandemic and beyond
Leow J, Tan W, Tan W, Tan T, Chan V, Tikkinen K, Kamat A, Sengupta S, Meng M, Shariat S, Roupret M, Decaestecker K, Vasdev N, Chong Y, Enikeev D, Giannarini G, Ficarra V, Teoh J, Collaborators O. A systematic review and meta-analysis on delaying surgery for urothelial carcinoma of bladder and upper tract urothelial carcinoma: Implications for the COVID19 pandemic and beyond. Frontiers In Surgery 2022, 9: 879774. PMID: 36268209, PMCID: PMC9577485, DOI: 10.3389/fsurg.2022.879774.Peer-Reviewed Original ResearchRadical nephro-ureterectomyAssociated with poor overall survivalRadical cystectomyNeoadjuvant chemotherapyPoor overall survivalOverall survivalUrothelial carcinomaSurvival outcomesUrothelial carcinoma of bladderAssociated with poor survival outcomesUpper tract urothelial carcinomaAssociated with overall survivalDiagnosis of UCBCancer-specific survivalInvasive urothelial carcinomaCarcinoma of bladderUrologic cancer surgeryMeta-analysisPoor survival outcomesSystematic reviewDefinitive surgeryBetween-study heterogeneityDelayed surgeryNephro-ureterectomyUpper tract
2021
Effects of Delayed Radical Prostatectomy and Active Surveillance on Localised Prostate Cancer—A Systematic Review and Meta-Analysis
Chan V, Tan W, Asif A, Ng A, Gbolahan O, Dinneen E, To W, Kadhim H, Premchand M, Burton O, Koe J, Wang N, Leow J, Giannarini G, Vasdev N, Shariat S, Enikeev D, Ng C, Teoh J. Effects of Delayed Radical Prostatectomy and Active Surveillance on Localised Prostate Cancer—A Systematic Review and Meta-Analysis. Cancers 2021, 13: 3274. PMID: 34208888, PMCID: PMC8268689, DOI: 10.3390/cancers13133274.Peer-Reviewed Original ResearchNeoadjuvant hormonal therapyDelayed radical prostatectomyHigh-risk patientsRandomised controlled trialsRadical prostatectomyImmediate RPOncological outcomesCancer-specific survivalIntermediate-risk patientsMeta-analysisNewcastle-Ottawa ScaleDelayed RPIntermediate-riskNon-randomised controlled studiesRisk of biasOverall survivalHormone therapyWatchful waitingExpectant managementActive surveillanceCancer surgeryPathological outcomesNewcastle-OttawaLow riskObservational studyDelayed surgery for localised and metastatic renal cell carcinoma: a systematic review and meta-analysis for the COVID-19 pandemic
Chan V, Tan W, Leow J, Tan W, Ong W, Chiu P, Gurung P, Pirola G, Orecchia L, Liew M, Lee H, Wang Y, Chen I, Castellani D, Wroclawski M, Mayor N, Sathianathen N, Braga I, Liu Z, Moon D, Tikkinen K, Kamat A, Meng M, Ficarra V, Giannarini G, Teoh J. Delayed surgery for localised and metastatic renal cell carcinoma: a systematic review and meta-analysis for the COVID-19 pandemic. World Journal Of Urology 2021, 39: 4295-4303. PMID: 34031748, PMCID: PMC8143063, DOI: 10.1007/s00345-021-03734-1.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaRenal cell carcinomaLocalised RCCDelayed surgeryCytoreductive nephrectomyDeferred CNOverall survivalCell carcinomaTargeted therapyAssociated with worse cancer-specific survivalAssociated with better overall survivalT1a renal cell carcinomaEffect of delaying surgeryDeferred cytoreductive nephrectomyCancer-specific survivalMeta-analysisElective cancer surgeryNewcastle-Ottawa ScaleSystematic reviewComprehensive literature searchUpfront CNOncological effectivenessRisk of biasImmediate surgeryRandomised controlled trials
2016
Analysis of open and intracorporeal robotic assisted radical cystectomy shows no significant difference in recurrence patterns and oncological outcomes
Tan W, Sridhar A, Ellis G, Lamb B, Goldstraw M, Nathan S, Hines J, Cathcart P, Briggs T, Kelly J. Analysis of open and intracorporeal robotic assisted radical cystectomy shows no significant difference in recurrence patterns and oncological outcomes. Urologic Oncology Seminars And Original Investigations 2016, 34: 257.e1-257.e9. PMID: 26968561, DOI: 10.1016/j.urolonc.2016.02.010.Peer-Reviewed Original ResearchConceptsRecurrence free survivalCancer-specific survivalOpen radical cystectomyORC cohortOverall survivalRadical cystectomySpecific survivalNo significant differenceOncological outcomesSignificant differenceOpen radical cystectomy casesPositive surgical margin rateIntracorporeal robot-assisted radical cystectomyRobotic-assisted radical cystectomyRobot-assisted radical cystectomyEarly oncologic outcomesPreoperative chemotherapy useSurgical margin rateLymph node yieldMedian follow-upKaplan-Meir analysisCox regression analysisIntracorporeal urinary diversionRecurrence patternsPT0 status