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Outcome and prognostic factors in metastatic urothelial carcinoma patients receiving second-line chemotherapy: an analysis of real-world clinical practice data in Japan.

ABSTRACT: The objective of the present study was to investigate the survival outcome and prognostic factors of metastatic urothelial carcinoma patients treated with second-line systemic chemotherapy in real-world clinical practice.Overall, 114 patients with metastatic urothelial carcinoma undergoing second-line systemic chemotherapy were included in this retrospective analysis. The dominant second-line chemotherapy was a paclitaxel-based combination regimen (60%, 68/114). We assessed the progression-free survival and overall survival times using the Kaplan-Meier method. The Cox proportional hazards model was applied to identify the factors affecting overall survival.The median progression-free survival and overall survival times were 4 and 9 months, respectively. In the multivariate analysis, an Eastern Cooperative Oncology Group performance status score greater than 0 at presentation, C-reactive protein level ?1 mg/dl and poor response to prior chemotherapy were adverse prognostic indicators. Patients with 0, 1, 2 and 3 of those risk factors had a median overall survival of 17, 12, 7 and 3 months, respectively.The Eastern Cooperative Oncology Group performance status at presentation, C-reactive protein level and response to prior chemotherapy were prognostic factors for metastatic urothelial carcinoma patients undergoing second-line chemotherapy. In the future, this information might help guide the choice of salvage treatment, such as second-line chemotherapy or immune checkpoint inhibitors, after the failure of first-line chemotherapy.

SUBMITTER: Matsumoto R

PROVIDER: S-EPMC6057543 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Outcome and prognostic factors in metastatic urothelial carcinoma patients receiving second-line chemotherapy: an analysis of real-world clinical practice data in Japan.

Matsumoto Ryuji R Abe Takashige T Ishizaki Junji J Kikuchi Hiroshi H Harabayashi Toru T Minami Keita K Sazawa Ataru A Mochizuki Tango T Akino Tomoshige T Murakumo Masashi M Osawa Takahiro T Maruyama Satoru S Murai Sachiyo S Shinohara Nobuo N

Japanese journal of clinical oncology 20180801 8

<h4>Objectives</h4>The objective of the present study was to investigate the survival outcome and prognostic factors of metastatic urothelial carcinoma patients treated with second-line systemic chemotherapy in real-world clinical practice.<h4>Methods</h4>Overall, 114 patients with metastatic urothelial carcinoma undergoing second-line systemic chemotherapy were included in this retrospective analysis. The dominant second-line chemotherapy was a paclitaxel-based combination regimen (60%, 68/114) ...[more]

PMID: 29939285

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Project description:IntroductionMetastatic pancreatic ductal adenocarcinoma (mPDAC) is a common cancer with poor survival outcomes. Although treatment options are limited, real-world treatment patterns and outcomes are not well understood, particularly beyond first-line treatment. This study described real-world treatment patterns and outcomes for mPDAC in the USA.MethodsThis retrospective analysis used electronic health record-derived de-identified data of patients with mPDAC diagnosed between January 1, 2014 and June 30, 2021. Treatments were classified into six groups: (1) standard combination chemotherapy; (2) nonstandard combination chemotherapy; (3) single-agent chemotherapy; (4) targeted therapy; (5) clinical study drugs; and (6) off-label therapies. Analyses were descriptive in nature. Treatment utilization and switching, and time on treatment and time to discontinuation, were described by first-line (1LOT) and second-line (2LOT) treatment groups. Median overall survival (mOS) from 1LOT and 2LOT was stratified by treatment group, and for 1LOT on the basis of whether patients received further treatment.Results1LOT included 6979 patients, 3241 (46%) of whom received further 2LOT. Standard combination chemotherapy was the most common 1LOT (70%) and 2LOT (46%). Nonstandard combination chemotherapy was used more as 2LOT (35%) than 1LOT (11%). First-line time on treatment was generally higher than second-line time on treatment, and time to discontinuation was lower than time on treatment. mOS in days (months) from 1LOT was 271 (8.9), 252 (8.3), 219 (7.2), 170 (5.6), 280 (9.2), and 182 (6.0), and mOS from 2LOT was 202 (6.6), 193 (6.3), 186 (6.1), 193 (6.3), 179 (5.9), and 97 (3.2), for groups 1-6, respectively. Within group 1, mOS from 1LOT was 318 days (10.4 months) for FOLFIRINOX and 241 days (7.9 months) for gemcitabine and nab-paclitaxel.ConclusionMost patients with mPDAC received 1LOT in line with clinical practice guidelines, yet mOS remains poor. This study highlights the need for novel therapies to demonstrate improved patient survival compared with therapies in current clinical practice guidelines.

Project description:Urothelial carcinoma (UC) is a frequently diagnosed tumor and an important cause of cancer deaths worldwide. Until a few years ago, despite the unquestioned role of platinum-based chemotherapy, therapeutic choices beyond the first line were limited and related to unsatisfactory outcomes. Metastatic UC has always been associated with a poor prognosis, with overall survival only slightly above a year. In the recent past, huge progress has been made in our understanding of the molecular and genomic disease characteristics, to enable stratification of patients in terms of prognosis and treatment responses. Unfortunately, we still do not have the perfect combination of clinical biomarkers to tailor the optimal treatment for each patient, despite making several efforts in this direction. The therapeutic arsenal has been augmented by immune checkpoint inhibitors (ICIs), which nowadays represent the backbone of the second-line setting. Equally revolutionary was the FDA's approval of erdafitinib, a potent fibroblast growth factor receptor (FGFR) inhibitor, the use of which is reserved for patients whose tumor harbors specific FGF pathway alterations. Recently, the therapeutic landscape of metastatic UC has been enhanced by the introduction of novel compounds, consisting of antibody-drug conjugates (ADCs). Enfortumab vedotin is an antibody targeting nectin-4, a cell adhesion molecule highly expressed in UC, conjugated to monomethyl auristatin E (MMAE), a microtubule-disrupting agent. Sacituzumab govitecan is a humanized monoclonal antibody targeting Trop-2, a transmembrane glycoprotein, conjugated to the active metabolite of irinotecan. These two compounds have received accelerated approval by the FDA in patients pretreated with platinum-based chemotherapy and immunotherapy. Several ongoing trials are investigating the role of ICIs combined with chemotherapy, antiangiogenic drugs, or other ICIs, as well as the efficacy of PARP inhibitors and target therapies, hoping to provide information for some important unmet needs. In this review, we aim to evaluate the current potential treatment options after first-line chemotherapy.

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Outcome and prognostic factors in metastatic urothelial carcinoma patients receiving second-line chemotherapy: an analysis of real-world clinical practice data in Japan.

Publications

Outcome and prognostic factors in metastatic urothelial carcinoma patients receiving second-line chemotherapy: an analysis of real-world clinical practice data in Japan.

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