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Poster Display session 3

3693 - Pathologic outcomes after neoadjuvant chemotherapy for high-risk muscle invasive bladder cancer


30 Sep 2019


Poster Display session 3


Tumour Site

Urothelial Cancer


Justin Matulay


Annals of Oncology (2019) 30 (suppl_5): v356-v402. 10.1093/annonc/mdz249


J.T. Matulay1, M.T. Campbell2, V.M. Narayan1, M.A. Seif1, A.H. Lim1, A.Y. Shah2, P. Msaouel2, J. Gao2, A.O. Siefker-Radtke2, C.P..N. Dinney1, A.M. Kamat1, N. Navai1

Author affiliations

  • 1 Department Of Urology, The University of Texas M. D. Anderson Cancer Center, 77030 - Houston/US
  • 2 Department Of Genitourinary Medical Oncology, The University of Texas M. D. Anderson Cancer Center, 77030-4095 - Houston/US


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Abstract 3693


Neoadjuvant chemotherapy (NAC) with cisplatin-based chemotherapy for muscle invasive bladder cancer (MIBC) has improves overall survival as compared to radical cystectomy (RC) alone. Our group has previously reported high risk features of MIBC that increase benefit of NAC. We report our institutional experience with NAC for patients with high-risk MIBC.


The records of consecutive high-risk, clinically node negative MIBC patients who underwent RC at our institution between 2005 and 2017 were reviewed. Pre-operative high-risk criteria included one or more of lymphovascular invasion, hydronephrosis, extravesical disease, and/or variant histology. Clinicopathologic and demographic information was collected, including eGFR and a previously validated frailty index. The primary outcomes were pathologic complete response (pCR=pT0N0M0) and downstaging to


In our cohort (n = 674), 74.3% (n = 501) of patients received any NAC, most commonly dose dense MVAC (39.3%, n = 265) followed by gemcitabine/cisplatin (GC) (13.1%, n = 88), other cisplatin-based regimens (OCBR) (10.4%, n = 70), and non-cisplatin regimen (NCBR) (11.6%, n = 78) were used with similar frequency. The pCR rate was significantly lower without NAC at only 7.5% (n = 13, p < 0.01), while ddMVAC (30.2%, n = 80), GC (25%, n = 22), OCBR (25.7%, n = 18), and NCBR (23.1%, n = 18) all yielded similar results (p = 0.55). When controlling for age, baseline eGFR, frailty index, and clinical T stage the chemotherapeutic regimen was not significantly predictive of achieving


The benefits of NAC for MIBC have been repeatedly demonstrated, however, the rate of pathologic CR in high-risk muscle invasive disease has not been reported in a large series. In our high risk MIBC group, NAC led to significant higher pCR rate as compared to upfront surgery. These findings will serve as a benchmark for future neoadjuvant studies for evaluation of novel regimens.

Clinical trial identification

Editorial acknowledgement

Legal entity responsible for the study

The authors.


Has not received any funding.


M.T. Campbell: Honoraria (self), Advisory / Consultancy: Eisai; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution): EMD Serono; Honoraria (self), Advisory / Consultancy, Research grant / Funding (institution): Pfizer; Honoraria (self), Advisory / Consultancy: Genentech; Honoraria (self), Advisory / Consultancy: AstraZeneca; Advisory / Consultancy: Apricity health; Research grant / Funding (institution): Exelixis; Research grant / Funding (institution): Janssen; Non-remunerated activity/ies: BMS; Non-remunerated activity/ies: Roche; Non-remunerated activity/ies: Merck. A.Y. Shah: Honoraria (self), Research grant / Funding (institution): Eisai; Honoraria (self): Oncology Information Group; Honoraria (self): Roche Pharmaceuticals; Research grant / Funding (institution): BMS; Research grant / Funding (institution): EMD Serono. J. Gao: Travel / Accommodation / Expenses: AstraZeneca. A.O. Siefker-Radtke: Advisory / Consultancy, Travel / Accommodation / Expenses: Merck; Advisory / Consultancy, Travel / Accommodation / Expenses: Sharp & Dohme; Advisory / Consultancy, Travel / Accommodation / Expenses: Janssen; Advisory / Consultancy, Travel / Accommodation / Expenses: Nektar Therapeutics; Advisory / Consultancy, Travel / Accommodation / Expenses: Seattle Genetics; Advisory / Consultancy: Bavarian Nordic. C.P.N. Dinney: Advisory / Consultancy: FKD Therapies Oy; Advisory / Consultancy, Research grant / Funding (self): Merck; Advisory / Consultancy: Janssen; Advisory / Consultancy, Research grant / Funding (self): NCI; Research grant / Funding (self): The University of Eastern Finland, Faculty of Health Sciences (UEFHS). A.M. Kamat: Advisory / Consultancy: Photocure; Advisory / Consultancy: FKD; Advisory / Consultancy: Abbott Molecular; Advisory / Consultancy: Theralase; Advisory / Consultancy: Merck; Advisory / Consultancy: BMS; Advisory / Consultancy: Eisai; Advisory / Consultancy: BioClin Therapeutics; Advisory / Consultancy: Cold Genesys; Advisory / Consultancy: Roviant; Advisory / Consultancy: Sessen Bio; Advisory / Consultancy: Asieris; Advisory / Consultancy: Pfizer; Advisory / Consultancy: AstraZeneca; Advisory / Consultancy: US Biotest; Advisory / Consultancy: Ferring; Advisory / Consultancy: MDxHealth; Leadership role: IBCG; Advisory / Consultancy: TMC Innovation. N. Navai: Shareholder / Stockholder / Stock options: Allogene; Research grant / Funding (institution): Merck; Research grant / Funding (institution): Pacira. All other authors have declared no conflicts of interest.

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