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The Latest Research on Bladder Cancer

Curated by clinicians: educational forums with videos, abstracts and conference information

Let’s Keep the Momentum Going

Ashish M. Kamat | May 23, 2019

In 2019, more than 80,000 Americans will be diagnosed with bladder cancer, and more than 17,000 patients will die from it.1 Whether it’s the neighbor we greet each morning, the aunt we joke with at family reunions, or even the face we see each day in the mirror, bladder cancer affects us all. It is a complex, challenging disease, and its prognosis has improved only recently after three decades of relative stagnancy.

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Ashish Kamat

Ashish Kamat, MD, MBBS, is a Professor of Urology and Wayne B. Duddleston Professor of Cancer Research at MD Anderson Cancer Center in Houston, Texas. Dr. Kamat serves as; President of International Bladder Cancer Group, Co-President of International Bladder Cancer Network, and Associate Cancer Center Director. Dr. Kamat served as the Program Director, of the MD Anderson Urologic Oncology Fellowship from 2005-2016.

Videos
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State-of-the-industry video lectures by leading urology experts
Everyday Urology - Oncology Insights
Publications focusing on urologic cancer treatments through original manuscripts
By Ashish M. Kamat
The detection of recurrent tumor is a benchmark by which the success of intravesical agents is determined. Because the U.S. Food and Drug Administration (FDA) will now consider data from single-arm trials for patients with Bacillus Calmette-Guérin (BCG)-unresponsive bladder cancer, the complete response (CR) rates (i.e. absence of disease on biopsy) is a key factor that impacts the success of many registration studies.
By Ashish M. Kamat, MD, MBBS

More than 81,000 individuals are diagnosed with bladder cancer in the United States every year, of whom 75% have non-muscle invasive disease.1,2 Unfortunately, half these cases recur despite transurethral resection of bladder tumor (TURBT), and from 5% to 25% of repeated recurrences progress to muscle-invasive disease.3,4,5

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By Arjun Balar, MD
Until recently, decades had elapsed with little progress in treating metastatic urothelial cancer (mUC). Cisplatin-based chemotherapy, the best available treatment option, had a median overall survival (OS) of 12-15 months, an overall response rate (ORR) of 50-60%, and was curative in about 10% of cases, but also was associated with potentially serious toxicities.12, 13, 2, 7, 3 
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By Petros Grivas, MD, PhD
Urothelial cancer (UC), also known as transitional cell carcinoma, is the 5th most common cancer in the United States, and it arises more commonly in the bladder than in other parts of the urinary tract. An estimated 79,030 new cases of UC are expected in 2017. Of these cases, there will be about 12,240 deaths in men and 4630 in women.
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By Ashish M. Kamat, MD, MBBS and Janet B. Kukreja, MD, MPH,
Bladder cancer presents an ever increasing health care burden across the globe. The large majority of patients diagnosed with bladder cancer are over the age of 55, with an average age at the time of diagnosis of 73 and an increasing percentage 80 years and older.1 Men are about three to four times more likely to get bladder cancer during their lifetime than women.1
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Expert Commentary
Evidence based monographs by experts to define and guide clinical practice
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
A significant number of patients with locally advanced and metastatic urothelial cancer (aUC) are not eligible for cisplatin-based chemotherapy.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Sarcomatoid urothelial bladder cancer (SARC) is an aggressive histological variant of bladder cancer. It is associated with early distant metastasis and poor survival rates. Understanding the molecular
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Point mutations in telomerase reverse transcriptase (TERT) promotor are reported in invasive and noninvasive, primary and recurrent urothelial bladder cancer (UBC). A deeper understanding of the clinical correlates
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
The relationship between the expression of GATA3, cytokeratin (CK) 20, CK 5/6, and p53 and survival in patients with muscle-invasive bladder cancer (MIBC) is not well characterized.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Several randomized clinical trials (RCTs) have incorporated patient-reported outcomes (PRO) to evaluate the effectiveness of new treatment modalities. Adhering to systematic and consistent 
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Urine cytology plays an essential role in detecting patients who are at high risk for disease recurrence following non-muscle invasive bladder cancer (NMIBC) treatment. A recent study Gupta
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Urine cytology plays a critical role as a noninvasive tool in bladder cancer detection and surveillance. However, a substantial fraction of cytology tests is classified as atypical or indeterminate. A need for a minimally-invasive
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Radiotherapy has the potential to sensitize tumors to immune checkpoint blockade. A recent article published by Sundahl et al. in European Urology assessed
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Enfortumab Vedotin (EV) is a novel antibody-drug conjugate targeting Nectin-4, which is overexpressed in urothelial cancer. A recent study published by Takahashi et al. in Investigational New Drugs
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Bacillus Calmette-Guerin shortage is a critical access issue for patients with non-muscle-invasive bladder cancer (NMIBC). Defining the efficacy of alternative intravesical treatments is an active area of investigation.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Understanding differences in bladder cancer outcomes between men and women can help physicians tailor optimal treatment and follow-up strategies. A recent paper published by Richters et al. in Urologic Oncology: Seminars and Original Investigations studied
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Patients with muscle-invasive and high-risk non-muscle invasive urothelial carcinoma of bladder who undergo radical cystectomy (RC) and lymphadenectomy are closely monitored for recurrence. The risk of disease recurrence is highest during the first 
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
The oncogene addiction model occurs when cancer cells become dependent on one mutated oncogene or pathway for the maintenance of a malignant phenotype. Withdrawal of the oncogenic signal
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Carcinoma in situ (CIS) is a distinct pathological entity. The significance of histological variants associated with CIS is not well-understood. A recent paper published by Sangoi et al. in The American Journal of Surgical Pathology
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Non-muscle invasive bladder cancers (NMIBC) represent the majority of new bladder cancer diagnoses. A high recurrence rate characterizes the natural history of the disease. Understanding the risk factors for recurrence
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
The use of circulating tumor DNA (ctDNA) as an early detection tool is a promising development. However, the clinical utility of ctDNA in urothelial bladder cancer is not fully understood.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
There is a broad spectrum of bladder cancer responsiveness to treatment in the clinic. The development of practical methods to provide accurate, individualized drug sensitivity information
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Detecting muscle-invasion is a critical step that dictates treatment recommendations. A definitive assessment of muscularis propria (MP) invasion cannot be made in a small number of transurethral resections of bladder tumor
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
High-resolution micro-ultrasound is a promising technology in the staging of prostate cancer but has not been well studied in bladder cancer patients. A recent paper published by Saita et al. European Urology evaluated the
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Defining the genomic landscapes that characterize the different disease states of urothelial carcinoma is an important area of investigation. A recent study by Nassar et al. recently published in Clinical Cancer
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
There is not enough data on the prognostic value of sarcopenia and nutritional indices in bladder cancer patients who receive definitive radiotherapy. A recent paper by Stangl-Kremser et al. in Urologic Oncology studied
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
A recent study published by Guo et al. in BMC Systems Biology investigated the relationship between AURKA expression, clinicopathologic characteristics and overall survival in patients with bladder cancer using sequential gene expression profiling.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Micropapillary (MP) is a histological variant of bladder cancer. As with most other histological variants of bladder cancer, the available data is derived from small case series and treatment is based on expert opinion.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Bladder cancer is a ‘field’ disease in which early-events occurring in morphologically-normal urothelium eventually give rise to urothelial carcinoma.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Chromosomal damage, breakage, loss, and rearrangement are early events in cancer initiations.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Frequent long-term monitoring is required for non-muscle-invasive bladder cancer (NMIBC) patients due to the high rate of recurrence.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Bladder cancer takes an enormous physical, emotional and economic toll on patients.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Primary carcinoma in situ (P-CIS) of the bladder is rare. Adjuvant intravesical Bacillus Calmette-Guérin (BCG) immunotherapy has been reported to be effective in reducing recurrence rates in CIS and P-CIS patients 
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Although hematuria is the most common symptoms of bladder cancer (BC), it can be caused by many non-malignant conditions.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Radical cystectomy (RC) is currently the gold standard operative treatment for localized (T2-T4a) muscle-invasive bladder cancer (MIBC) or recurrent high-risk non-MIBC.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
To achieve progress against Urinary bladder cancer (UBC), studies are needed to understand to understand the racial differences in the incidence, presentation, outcomes, and biology of UBC.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Due to the very high risk of recurrence, bladder cancer patients require periodic screening and monitoring.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Non-muscle-invasive bladder cancer (NMIBC) has a high recurrence rate. Although the BCG therapy is recommended as an immune targeting treatment in high-risk NMIBC tumors, 
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Currently, intermediate or high-risk non-muscle-invasive bladder cancer patients (NMIBC) require intensive follow-up.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Neoadjuvant chemotherapy is a standard of care for patients with cisplatin-eligible muscle-invasive urothelial carcinoma.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Bladder preservation therapy is a definitive treatment option for clinically localized bladder cancer.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Clinically-localized bladder cancer is amenable to local treatments because of its accessibility.
Written by Bishoy M. Faltas, MD
Englander Institute for Precision Medicine, Weill Cornell Medicine
Patients with advanced platinum-resistant urothelial carcinoma have limited therapeutic options.
Library Resources
Evidence based monographs by experts to define and guide clinical practice
Written by Noah M. Hahn, MD
Recent years have seen an explosive rate of transformative advances in both pre-clinical and clinical urothelial carcinoma research.  With the public dissemination of comprehensive molecular data from The Cancer Genome Atlas (TCGA) urothelial carcinoma cohort,
Written by Ashish Kamat, MD, MBBS
For those of us who take care of patients with the sixth most common malignancy in the United States and the seventh most common cause of cancer-related death,1 it was disheartening that, as recently as 2015, patients with advanced bladder cancer had no effective alternatives to cisplatinum-based chemotherapy, a status quo that had persisted for three decades.2
Written by Justin T. Matulay, MD, and Ashish Kamat, MD, MBBS
Bladder cancer is the most common malignancy of the urinary tract and second only to the prostate in the entire genitourinary system. The most updated available global estimate, based on registry data collected through the year 2012,
Written by Roger Li, MD and Ashish Kamat, MD, MBBS
In the previous sections, we have covered Epidemiology, Diagnosis, and Pathology of Bladder Cancers. As noted, most patients present at a potentially curative stage non-muscle invasive bladder cancer (NMIBC). Although NMIBC can generally be managed...
Written by Justin T. Matulay, MD and Ashish Kamat, MD, MBBS
There are no reliable screening tests available for detecting bladder cancer; hence the diagnosis is usually made based on clinical signs and symptoms. Painless hematuria – microscopic or gross – is the most common presentation...
Conference Coverage
Recent data from conferences worldwide
Presented by Colin Dinney, MD
Washington, DC (UroToday.com) During the bladder cancer session at the Society of Urologic Oncology Meeting on Thursday, December 5th, Dr. Colin Dinney presented the results of a phase III clinical trial for Adstiladrin® (rAd-INFa/syn3) in BCG unresponsive non-muscle invasive bladder cancer.
Presented by Axel S. Merseburger, MD
Barcelona, Spain (UroToday.com) Dr. Axel Merseburger presented the preliminary results of the Safety of Atezolizumab in locally advanced or metastatic UrotheliaL and non-urothelial carcinoma of the urinary tract (SAUL) study at the EAU 2019 Breaking News Session.
Presented by Ricardo Leão, MD
Barcelona, Spain (UroToday.com) Up to 3/4 of non-muscle invasive bladder cancer (NMIBC) patients will endure recurrence during their lifetime. Disease follow up is invasive, costly and long and consists of cystoscopy, cytology, and imaging. The most prevalent non-invasive approach for the diagnosis of recurrence remains urinary cytology, 
Presented by Yair Lotan, MD
Barcelona, Spain (UroToday.com) At the urogenital cancer treatment session, Dr. Yair Lotan discussed the impact of blue light flexible cystoscopy and utilization in the clinic setting. Dr. Lotan notes that there are several unmet medical needs with regards to non-muscle invasive bladder cancer (NMIBC). First, it is associated with a high risk of recurrence, with up to 61% of patients recurring in the first year, and up to 78% within 5 years.
Presented by Arlene O. Siefker-Radtke, MD
San Francisco, CA (UroToday.com) Immune checkpoint inhibitors are approved both in the first line and second line for patients with metastatic urothelial carcinoma. In the first line, KEYNOTE 052 showed that pembrolizumab as significant anti-tumor activity for cisplatin ineligible patients with UC1, for a 38% objective response rate for patients with a combined positive score of 10% or more (PD-L1 positive).
Presented by Scott T. Tagawa, MD, MS
San Francisco, CA (UroToday.com) Sacituzumab govitecan (SG) is a humanized antibody-drug conjugate, made from anti-Trop-2 monoclonal antibody linked with SN-38, the active metabolite of irinotecan.1 Trop-2 is transmembrane glycoprotein encoded by the Tacstd2 gene, and is differentially expressed in a wide range of tumor types, including gastric, pancreatic, triple-negative breast, colonic, prostate, and lung cancer.2
Presented by Yair Lotan, MD
San Francisco, CA (UroToday.com) Dr. Yair Lotan presented on Genomic Insights and Biomarkers for Treatment Selection in Muscle-Invasive and Non-Muscle-Invasive Bladder Cancer. He discussed the role of markers in bladder cancer and how they add independent information that can impact patient care.
Presented by Ananya Choudhury, MA, Ph.D., MRCP, FRCR
San Francisco, CA (UroToday.com) In this case panel discussion, 3 patient cases were reviewed highlighting important points in the management of bladder cancer. The text below includes a summary of each case presented and key points made by the panelists. The cases detail patients with small cell bladder cancer, upper tract urothelial carcinoma and recurrent NMIBC, respectively. 
Presented by Robert A. Huddart
Toronto, Ontario (UroToday.com) In this discussion, the topic of bladder preservation was presented by Dr. Huddart from the Royal Marsden NHS Foundation Trust in the United Kingdom. Muscle invasive bladder cancer, after diagnosis using TURBT, is usually treated with radical cystectomy with the option of neoadjuvant chemotherapy before surgery.
Presented by Joaquim Bellmunt, MD
Toronto, Ontario (UroToday.com) In this discussion, Dr. Bellmunt presented the standard of care in second-line management of advanced bladder cancer and gave an update on targeted therapies. He also discussed some of the phase 2 and phase 3 trials with PD-1/PD-L1 inhibitors, and associated biomarkers.
Presented by Jeff Holzbeierlein, MD, FACS
San Francisco, CA (UroToday.com)  Dr. Holzbeierlein began his discussion on the new muscle-invasive bladder cancer (MIBC) guidelines,1 a collaborative multi-disciplinary effort led by Dr. Sam Chang that involved input from all the major organizations, including AUA, ASCO, ASTRO, and patient advocates.