Assessment of acute oxaliplatin-induced cold allodynia: a pilot study

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Abstract

Background

– Following oxaliplatin treatment, acute neurotoxicity symptoms are suggested to be correlated with both the development and degree of chronic neuropathy.

Aims

– The aim of this clinical commentary was to examine different methods to assess acute cold allodynia and dysesthesia in patients treated with adjuvant oxaliplatin.

Methods

– Nine patients over the age of 18 years scheduled for standard adjuvant treatment with capecitabine and oxaliplatin were included. Patients were asked to come for two visits: a baseline visit before and a follow-up visit within 5 days after treatment. Patients were examined with questionnaires, thermal tests, and the thermal grill.

Results

– All patients reported neurotoxicity, and they all had abnormal cold sensitivity. The only significant changes observed were increased ratings of pain, unpleasantness, and pricking sensations to holding a ˜8°C metal cylinder for 10 s and an increased intensity of unpleasantness and pricking sensation to the 20-s contact with the 10°C plates of the thermal grill on the palmar hand.

Conclusions

– he results showed that the palm of the hand is the most sensitive part of the body when detecting oxaliplatin-induced cold allodynia, and the use of a cold metal cylinder seems as a promising sensitive method.

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