Unveiling the prognostic significance of malignant ascites in advanced gastrointestinal cancers: a marker of peritoneal carcinomatosis burden

Autor: Leonardo Provenzano, Yong Xiang Gwee, Veronica Conca, Sara Lonardi, Silvia Bozzarelli, Emiliano Tamburini, Alessandro Passardi, Alberto Zaniboni, Federica Tosi, Giuseppe Aprile, Vincenzo Nasca, Alessandra Boccaccino, Margherita Ambrosini, Guglielmo Vetere, Martina Carullo, Marcello Guaglio, Luigi Battaglia, Joseph Jonathan Zhao, Daryl Kai Ann Chia, Wei Peng Yong, Patrick Tan, Jimmy So, Guowei Kim, Asim Shabbir, Chin-Ann Johnny Ong, Francesco Casella, Chiara Cremolini, Maria Bencivenga, Raghav Sundar, Filippo Pietrantonio
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Therapeutic Advances in Medical Oncology, Vol 16 (2024)
Druh dokumentu: article
ISSN: 1758-8359
17588359
DOI: 10.1177/17588359241289517
Popis: Background: Ascites is common in advanced gastrointestinal cancers with peritoneal metastases (PM) and negatively impacts patient survival. No study to date has specifically evaluated the relationship between ascites, PM and survival outcomes in metastatic colorectal cancer (mCRC) and metastatic gastric cancer (mGC). Objectives: This study aims to investigate and elucidate the relationship between malignant ascites, PM and survival outcomes in both mCRC and mGC patients. Design: This is a retrospective analysis of prospectively collected clinical trial data of mCRC and mGC patients with PM. Methods: We performed two pooled analyses, firstly of two Italian randomized trials enrolling patients with mCRC eligible for systemic therapy (TRIBE2; VALENTINO), and secondly of gastric cancer and peritoneal metastasis (GCPM) patients who underwent bi-directional therapeutic treatment comprising systemic and peritoneal-directed therapies. Results: Of 900 mCRC patients, 39 (4.3%) had PM with malignant ascites. Compared to the group without PM, median progression-free and overall survival were significantly inferior in the ascites group (hazard ratio (HR) for progression-free survival (PFS) 1.68, 95% confidence interval (CI): 1.21–2.35, p = 0.007; HR for overall survival (OS) 2.14, 95% CI: 1.57–3.01, p
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