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Total neuropathy scale items as early predictors of chemotherapy‐induced peripheral neurotoxicity

We investigated the possible use of individual Total Neuropathy Scale (TNS) items to predict the neurological outcome in patients undergoing cisplatin and paclitaxel combination chemotherapy in a series of thirty‐four women divided, according to the worst TNS score reached during the period of observation, into three groups, i.e. with a score <5 (n = 14), >5 but <10 (n = 5) or >10 (n = 15). At the visit performed before the onset of the worst neuropathy signs, 14 out of the 15 patients with the worst TNS had a change of 2 or more points in the sum of the semiquantitative vibration score (tuning fork) plus the DTR examination. In 12 of them the change was due to both vibration perception and DTR impairment. A change in the combined score was observed also in 7 out of the 14 patients with the better neurological outcome, but none of them had any change in the vibration perception. Early disappearance of DTR in the lower limbs (i.e. both ankle and patellar reflexes bilaterally) was observed in 7 out of the 15 patients with a worst outcome, while only 1 patient in the better outcome group had this clinical sign. The results of the VDT score obtained with a vibrameter did not improve the accuracy of the neurological assessment. Our study indicates that the accurate clinical evaluation of the patients treated with platinum and taxane combination polychemotherapy can be used to predict the final neurological outcome of the treatment.