Trial reportBreast cancer research : BCR2025
Association between hyperglycemia and the development of chemotherapy induced peripheral neuropathy among patients with breast cancer in the control trial.
Trial report in Breast cancer research : BCR, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
backgroundPoorly controlled diabetes is a predictor of chemotherapy induced peripheral neuropathy (CIPN) and hyperglycemia may mediate CIPN risk. We evaluated the association between hyperglycemia and CIPN development.
findingsMethods: This was a secondary analysis of the CONTRoL trial, which randomized patients with Stage I-III breast cancer receiving taxane chemotherapy to cryotherapy, compression therapy, or placebo. CIPN data was obtained from the FACT-NTX survey which patients completed at baseline, week-12, and week-24. Hyperglycemia (glucose ≥ 140 mmol/L) was assessed using random glucose values obtained throughout trial duration. We included patients who completed FACT-NTX at baseline and week-12. Patients were divided into two groups based on CIPN development. For each group we calculated the proportion of patients with hyperglycemia and mean glucose values; 95% confidence intervals were constructed.
resultsFifty-nine patients met inclusion criteria; 34 patients developed CIPN and 25 did not. Hyperglycemia occurred in 47.1% vs. 36.0% of patients who developed CIPN vs. those who did not (p = 0.56). Mean glucose was numerically but not significantly higher in patients with CIPN compared to those without at all timepoints, most notably at week-12 (132.2 mg/dL vs. 122.9 mg/dL p = 0.47).
conclusionsIn this analysis, hyperglycemia affected almost half of patients with CIPN versus about a third of patients without CIPN. Patients with CIPN also had higher mean glucose levels compared to those without CIPN, though the differences were not significant. No conclusions can be drawn from these results and further research is needed to assess these trends in a larger prospective patient population.
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