ArticleThe Journal of thoracic and cardiovascular surgery2025
Soluble mesothelin-related peptide as a prognosticator in pleural mesothelioma patients receiving checkpoint immunotherapy.
Article in The Journal of thoracic and cardiovascular surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Ad-SGE-DKK3 Gene Therapy Overcomes Resistance to Immune Checkpoint Blockade in Pleural Mesothelioma.Clinical cancer research : an official journal of the American Association for Cancer Research · 2025Trial
- Article
- Immune Checkpoint Inhibitors in Malignant Pleural Mesothelioma: Efficacy, Real-World Outcomes, and the Search for Predictive Biomarkers.Current oncology (Toronto, Ont.) · 2026Review
- Novel perspectives on MSLN-targeted cancer therapy: from molecular mechanisms to clinical translation.Cancer biology & therapy · 2025Review
- Global bibliometric analysis of pleural mesothelioma biomarkers (2002-2024): trends and emerging frontiers.Journal of thoracic disease · 2025Article
- Review
- Prognostic immunoinflammatory and transcriptomic profiles in patients with pleural mesothelioma undergoing immunotherapy.Immunotherapy · 2025Article
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Authors and funding
16 authors.
Funding
Abstract
backgroundImmune checkpoint therapy (ICT) has significantly impacted the treatment of malignant pleural mesothelioma (MPM). Despite some promising results from combination therapies, nearly half of MPM patients do not benefit, underscoring the urgent need for reliable predictive biomarkers. This study assesses the prognostic value of serum soluble mesothelin-related peptide (SMRP) and PD-L1 levels in MPM patients receiving ICT.
methodsWe conducted a retrospective analysis of 125 MPM patients treated with ICT by measuring pre-ICT serum levels of SMRP and PD-L1. We also examined the correlation of these serum levels with tumor mRNA expressions of mesothelin and PD-L1. Both univariable and multivariable Cox regression analyses were used to determine independent prognosticators for overall survival (OS). A prospective ICT clinical trial and our historical cohort were included for validation.
resultsSeventy-seven patients (62%) were treated with either anti-PD-(L)1 monotherapy, and the remaining 38% received combination ICT. Higher pre-ICT SMRP levels were observed in epithelioid MPM compared to nonepithelioid MPM. Serum PD-L1 levels did not differ significantly between the different histologic groups. Univariable analysis identified durable clinical benefit, development of immune-related adverse events, and SMRP levels as significantly associated with OS. Multivariable analysis confirmed SMRP as an independent prognostic factor, with lower levels (≤1.35 nmol/L) correlating with improved OS. The association of high SMRP with worse prognosis was validated in the prospective ICT clinical trial cohort and not in our historical cohort treated without ICT.
conclusionsSMRP is a promising serum biomarker for predicting survival in MPM patients treated with ICT and warrants prospective investigation.
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