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Effect of IV magnesium supplementation in reducing adverse cisplatin associated kidney outcomes

Ekta Panjrolia, Bhaumik B. Patel, S. Silvey, Nilang Patel

Journal of Clinical Oncology, 2025

106,141 participants

Abstract

12123

Background:

Cisplatin is a commonly used chemotherapy agent that is associated with significant nephrotoxicity due to renal tubular cell injury. IV magnesium (mg) has emerged as a potential agent for preventing cisplatin-induced kidney injury. This study aims to explore the efficacy of IV mg in reducing cisplatin induced major adverse kidney events (MAKE).

Methods:

This is a retrospective observation cohort study of the TriNetX research network (with NLP) which included 105 Health care organizations (HCOs). Patients who received first dose of IV Cisplatin between 09/30/2004 to 09/30/2024 were included. Cohort further divided into two groups based on IV Mg supplementation during chemotherapy: IV Mg and Control groups. To mitigate potential confounding variables, we conducted 1:1 propensity score matching (PSM) that involved 42 variables covering demographics, comorbidities, medications, and laboratory results. The primary outcome of interest was MAKE, defined as stage 3 AKI, Dialysis or eGFR < 15 ml/min/1.73m2, Death at 30 days. Secondary outcomes were mortality and dialysis needing AKIs at 30 days. Adjusted hazard ratios (AHRs) with 95% CIs and P values were calculated using Cox proportional hazards regression models for all outcomes. The Kaplan-Meier method was used to estimate survival probabilities after PSM, considering 2-sided p < .05 as statistically significant. Sensitivity analyses with different observations and study window and subgroup analysis were done.…

How strong is the evidence?

Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 106,141 participants or records.

How the five levels of evidence work. The level is assigned automatically from the abstract and can be wrong, so check the paper.

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