Study shows that administering calcium and magnesium effectively reduces neurological s...(ous placebo. Study results showed that t...),Health

Date:5/16/2008

ous placebo. Study results showed that the use of calcium and magnesium infusions before and after oxaliplatin was associated with a significant decrease in the incidence and severity of neurotoxicity, and it also delayed the time to the onset of neurotoxicity on oxaliplatin therapy.

Calcium and magnesium are an easily administered, safe treatment option for oxaliplatin-induced neurotoxicity. Some initial reports from other studies claimed that the use of calcium and magnesium reduced the activity of oxaliplatin-based chemotherapy, says Axel Grothey, M.D., an oncologist at Mayo Clinic and study co-chair. However, we have definitive results from an independent, blinded radiologic review which demonstrates no negative influence of calcium and magnesium on the outcome for oxaliplatin-based chemotherapy.

Now that we have shown the effectiveness of calcium and magnesium in reducing oxaliplatin-induced neurotoxicity, a further step may be to evaluate the benefit of calcium and magnesium in reducing neurotoxicity caused by other medications, says Dr. Nikcevich. Many other commonly used chemotherapy agents cause neurological sensitivity. By applying our study design, we can test the effectiveness of calcium and magnesium when used with other treatments.

This study was done as part of a program coordinated by Charles Loprinzi, M.D., a medical oncologist at Mayo Clinic Rochester. The program he leads has conducted more than 50 clinical trials designed to find ways to prevent or treat untoward symptoms related to cancer and cancer therapy. This includes three trials to evaluate ways to treat established neuropathy caused by chemotherapy and three additional studies to try to prevent such toxicity. Additional trials are in development to find other ways to alleviate this toxicity.

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Contact: Traci Klein newsbureau@mayo.edu 507-284-5005 Mayo Clinic Source:Eurekalert

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