期刊
CLINICAL NEUROPHYSIOLOGY
卷 154, 期 -, 页码 157-168出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.clinph.2023.08.002
关键词
Vincristine-induced peripheral neuropathy; Axonal excitability; Threshold tracking; Acute lymphoblastic leukemia; Paediatric cancer
This study comprehensively assessed the outcomes of vincristine-induced peripheral neuropathy (VIPN) in pediatric patients with acute lymphoblastic leukemia (ALL) undergoing vincristine treatment. Clinical, neurophysiological, and quality-of-life evaluations were performed.
Objective: Vincristine is a mainstay treatment for paediatric cancers, particularly acute lymphoblastic leukemia (ALL), with common toxicity including vincristine-induced peripheral neuropathy (VIPN). The present study comprehensively assessed VIPN outcomes in patients receiving vincristine treatment for ALL. Methods: Children diagnosed with ALL commencing vincristine treatment were prospectively evaluated (baseline, post-induction, pre-reinduction, post-reinduction, follow-up). VIPN was examined clinically using the Balis sensory/motor scale, neurophysiologically using axonal excitability techniques and quality-of-life using Pediatric Quality of Life Inventory. Results: Thirty-one patients were recruited to this study (age = 6.8 +/- 4.4; 61.3% female). Incidence of motor VIPN (motor Balis grade > 0) symptoms were higher than sensory VIPN (sensory Balis grade > 0) at post-induction (92.0% vs 36.0%) and post-reinduction (81.8% vs 22.7%) vincristine treatment. Neurophysiological assessment also demonstrated greater change in motor axonal excitability parameters compared to sensory parameters including changes in depolarising threshold electrotonus (P < 0.0125), superexcitability and subexcitability parameters (all P < 0.0125). Follow-up assessment demonstrated persisting VIPN symptoms with reduced quality-of-life scores compared to baseline. Conclusions: Clinical and neurophysiological evaluation of VIPN suggests vincristine produces a motorprominent sensorimotor neuropathy in children which persisted at follow-up. Significance: VIPN signs and symptoms develop early in the treatment course, in line with axonal excitability profiles. Early detection of significant nerve changes may support timely implementation of neuroprotection strategies. (c) 2023 International Federation of Clinical Neurophysiology. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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