Combined albumin-lymphocyte score and skeletal muscle index linked to survival in ovarian cancer surgery patients
Photo by Bioscience Image Library by Fayette Reynolds / Unsplash
Key Takeaway
Consider CAS grade as a preliminary prognostic marker in ovarian cancer, pending validation.
This retrospective cohort study involved 347 patients with primary ovarian cancer undergoing primary debulking surgery across multiple medical centers. It assessed the combination of albumin-lymphocyte score (ALS) and skeletal muscle index (SMI), termed CAS grade, as a predictor of overall survival (OS) and recurrence-free survival (RFS). Patients with a lower ALS and higher SMI showed improved OS and RFS, with Grade 1 patients (highest BMI) demonstrating the most favorable survival prognosis and Grade 3 patients the poorest. However, exact numbers for effect sizes, absolute outcomes, p-values, and confidence intervals were not reported, limiting quantitative interpretation.
Safety and tolerability data were not reported in the study, so no conclusions can be drawn about adverse events or discontinuations related to the assessment method. The follow-up duration was also not specified, which may affect the reliability of survival estimates.
Key limitations include the retrospective design, which introduces potential biases and precludes causal claims, and the unclear usefulness of CAS grade for predicting prognosis as stated in the study purpose. The practice relevance suggests CAS grade is a meaningful and independent predictor, but this should be interpreted cautiously due to the observational nature and lack of detailed statistical support. Further prospective research is needed to confirm these associations and establish clinical utility.
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View Original Abstract ↓
PurposeAccumulating evidence underscores the significance of inflammation and nutrition in tumor progression. Although low albumin-lymphocyte score (ALS) and skeletal muscle index (SMI) are known to be associated with negative outcomes in patients with ovarian cancer (OC) undergoing primary debulking surgery, the usefulness for predicting prognosis remains unclear. We aimed to assess the relevant preoperative prognostic variables and their combined impact on patients with OC.MethodsThis retrospective study included 347 patients with primary OC from multiple medical centers. The patients were divided into discovery (237 patients) and validation (110 patients) cohorts. Serological tests and plain computed tomography were performed to quantify the ALS and SMI. We investigated the preoperative prognostic ability of a unique index based on a combination of ALS and SMI, the CAS grade.ResultsPatients with a lower ALS and a higher SMI showed improved overall survival (OS) and recurrence-free survival (RFS). Upon stratification by CAS grade, grade 1 patients demonstrated the highest body mass index and the most favorable survival prognosis, whereas grade 3 patients demonstrated the poorest OS and RFS. The independent variables for OS and RFS included residual disease and elevated CAS grade. These findings were validated in an independent cohort study.ConclusionThe CAS grade, a combination of ALS and SMI, is a meaningful and independent predictor of prognosis in patients with OC.
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