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Targeted therapies for advanced bladder cancer: new strategies with FGFR inhibitors.

ABSTRACT: Inhibitors of fibroblast growth factor receptor (FGFR) represent an outstanding treatment approach for selected patients with urothelial cancer (UC). These agents are changing the clinical approach to a subgroup of UC, the luminal-papillary subtype, characterized by FGFR mutations, fusions, or amplification. In this review, we provide an overview of the results of recent clinical trials on FGFR tyrosine kinase inhibitors (TKIs) currently in clinical development for the treatment of UC: erdafitinib, rogaratinib, infigratinib, and the monoclonal antibody vofatamab. The Food and Drug Administration recently granted accelerated approval to erdafitinib for patients with advanced UC with alterations of FGFR2 or FGFR3 after progression on platinum-based chemotherapy. We also look at future therapeutic options of combination regimens with immune-checkpoint inhibitors as strategies for improving the antitumor effects of this class of drug, and for preventing or delaying the development of resistance.

SUBMITTER: Casadei C

PROVIDER: S-EPMC6878604 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Targeted therapies for advanced bladder cancer: new strategies with FGFR inhibitors.

Casadei Chiara C Dizman Nazli N Schepisi Giuseppe G Cursano Maria Concetta MC Basso Umberto U Santini Daniele D Pal Sumanta K SK De Giorgi Ugo U

Therapeutic advances in medical oncology 20191125

Inhibitors of fibroblast growth factor receptor (FGFR) represent an outstanding treatment approach for selected patients with urothelial cancer (UC). These agents are changing the clinical approach to a subgroup of UC, the luminal-papillary subtype, characterized by FGFR mutations, fusions, or amplification. In this review, we provide an overview of the results of recent clinical trials on FGFR tyrosine kinase inhibitors (TKIs) currently in clinical development for the treatment of UC: erdafitin ...[more]

PMID: 31803255

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Project description:Simple Summary Around 20% of advanced bladder cancer patients carry unfavorable genetic alterations in the fibroblast growth factor receptor 3 (FGFR3) gene. This review summarizes recent findings from published research and clinical trial data focusing on developing and testing therapeutics that inhibit the increased activities of these genetic alterations. Possible mechanisms of drug resistance observed in some patients are also discussed. This review also discusses clinical findings from studies combining FGFR inhibition with other targeted inhibitors and/or immunotherapy to examine whether outcomes may be improved, especially in patients who have less than optimal responses to FGFR3-directed monotherapy. Abstract Bladder cancer is the 10th most commonly diagnosed cancer in the world, accounting for around 573,000 new cases and 213,000 deaths in 2020. The current standard treatment for locally advanced bladder cancer is neoadjuvant cisplatin (NAC)-based chemotherapy followed by cystectomy. The significant progress being made in the genomic and molecular understandings of bladder cancer has uncovered the genetic alterations and signaling pathways that drive bladder cancer progression. These developments have led to a dramatic increase in the evaluation of molecular agents targeting at these alterations. One example is Erdafitinib, a first-in-class FGFR inhibitor being approved as second-line treatment for locally advanced or metastatic urothelial carcinoma with FGFR mutations. Immunotherapy has also been approved as second-line treatment for advanced and metastatic bladder cancer. Preclinical studies suggest targeted therapy combined with immunotherapy has the potential to markedly improve patient outcome. Given the prevalence of FGFR alternations in bladder cancer, here we review recent preclinical and clinical studies on FGFR inhibitors and analyze possible drug resistance mechanisms to these agents. We also discuss FGFR inhibitors in combination with other therapies and its potential to improve outcome.

Dataset Information

Targeted therapies for advanced bladder cancer: new strategies with FGFR inhibitors.

Publications

Targeted therapies for advanced bladder cancer: new strategies with FGFR inhibitors.

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