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Acupuncture for peripheral neuropathy induced by paclitaxel in early-stage breast cancer: a randomized, parallel,
Lin I Ter1, Alayne Magalhães Trindade Domingues Yamada2, Adriana do Nascimento Martins Basilio2
1Instituto Brasileiro de Controle Do Câncer, São Paulo, Brazil. lin.ter@npeibcc.org.br.
Purpose:
Chemotherapy-induced peripheral neuropathy (CIPN) is a common adverse event without effective treatment, just recommended dose reduction, interruption, or modification of the chemotherapy regimen. We conducted a randomized controlled study to evaluate the therapeutic effects of acupuncture.
Methods:
Sixty patients with stage I, II, and III breast cancer who developed CIPN due to neoadjuvant or adjuvant paclitaxel were randomized 1:1 to receive true vs sham acupuncture once per week for 8 weeks. The primary outcome was the response to Neuropathic Pain Symptom Inventory (NPSI), and the secondary outcomes were Visual Analog Scale (VAS) and Functional Assessment of Cancer Therapy-Taxane Version 4 (FACT-taxane) quality of life scale. The questionnaires were administered during weeks 1, 4, 6, and 8 (in person) and week 12 (by telephone).
Results:
For the primary outcome, there were statistically significant differences at week 8 favoring the true acupuncture group for the subscales pressure pain (mean 0.11 vs 0.33; p = 0.01), paroxysmal pain (mean 0.13 vs 0.30; p = 0.037), paresthesia/dysesthesia (mean 0.21 vs 0.43; p = 0.007) and the total score (mean 0.14 vs 0.33; p = 0.02). Regarding secondary outcomes on the VAS scale, there was statistically significant difference favoring the true acupuncture group at visit 8 (mean 3.0 vs 6.0; p = 0.001), but without differences in FACT-taxane, either total score or subscales. There were no differences in any of the outcomes at week 12.
Conclusion:
CIPN-related symptoms in patients with breast cancer who received paclitaxel were reduced by true acupuncture compared with sham acupuncture in the eighth week (ClinicalTrials.gov ID NCT04461977).
