PMID- 35799138 OWN - NLM STAT- MEDLINE DCOM- 20220711 LR - 20220716 IS - 1471-2407 (Electronic) IS - 1471-2407 (Linking) VI - 22 IP - 1 DP - 2022 Jul 7 TI - Efficacy of donepezil for the treatment of oxaliplatin-induced peripheral neuropathy: DONEPEZOX, a protocol of a proof of concept, randomised, triple-blinded and multicentre trial. PG - 742 LID - 10.1186/s12885-022-09806-8 [doi] LID - 742 AB - BACKGROUND: The use of oxaliplatin in digestive tract cancers could induce severe peripheral neuropathy (OIPN) decreasing the quality of life of patients and survivors. There is currently, no univocal treatment for these peripheral neuropathies. Donepezil, a reversible inhibitor of cholinesterase, used to treat Alzheimer's disease and dementia, is reported to have a good safety profile in humans, and preclinical data have provided initial evidence of its effectiveness in diminishing neuropathic symptoms and related comorbidities in OIPN animal models. METHODS: The DONEPEZOX trial will be a proof-of-concept, randomised, triple-blinded, and multicentre study. It will be the first clinical trial evaluating the efficacy and safety of donepezil for the management of OIPN. Adult cancer survivors with OIPN that report sensory neuropathy according to QLQ-CIPN20 sensory score (equivalence of a grade >/= 2), at least 6 months after the end of an oxaliplatin-based chemotherapy will be included. Eighty patients will be randomly assigned to receive either donepezil or placebo over 16 weeks of treatment. The primary endpoint will be the rate of responders (neuropathic grade decreases according to the QLQ-CIPN20 sensory score) in the donepezil arm. The severity of OIPN will be assessed by the QLQ-CIPN20 sensory scale before and after 16 weeks of treatment. The comparison versus the placebo arm will be a secondary objective. The other secondary endpoints will be tolerance to donepezil, the severity and features of OIPN in each arm before and after treatment, related-comorbidities and quality of life. Fleming's one-stage design will be used for sample size estimation. This design yields a type I error rate of 0.0417 and power of 91% for a responder rate of at least 30% in donepezil arm. A total of 80 randomized patients is planned. DISCUSSION: This study will allow, in the case of positive results, to initiate a phase 3 randomized and placebo-controlled (primary endpoint) clinical study to assess the therapeutic interest of donepezil to treat OIPN. TRIAL REGISTRATION: NCT05254639 , clincialtrials.gov, Registered 24 February 2022. CI - (c) 2022. The Author(s). FAU - Kerckhove, Nicolas AU - Kerckhove N AUID- ORCID: 0000-0003-2223-1240 AD - UMR 1107 NEURODOL, service de pharmacologie medicale, CHU Clermont-Ferrand, Universite Clermont Auvergne, INSERM, 63000, Clermont-Ferrand, France. nkerckhove@chu-clermontferrand.fr. FAU - Tougeron, David AU - Tougeron D AD - Service d'Hepato gastroenterologie, CHU Poitiers, 86000, Poitiers, France. FAU - Lepage, Come AU - Lepage C AD - Service d'Hepatogastroenterologie et oncologie digestive, CHU Dijon, Universite de Bourgogne, Dijon, France. AD - UMR LNC 1231, EPICAD INSERM, Universite de Bourgogne, Dijon, France. FAU - Pezet, Denis AU - Pezet D AD - Service de chirurgie digestive, U1071, M2iSH, USC-INRA 2018, CHU Clermont-Ferrand, Universite Clermont Auvergne, INSERM, INRA, 63000, Clermont-Ferrand, France. FAU - Le Malicot, Karine AU - Le Malicot K AD - UMR LNC 1231, EPICAD INSERM, Universite de Bourgogne, Dijon, France. AD - Federation Francophone de Cancerologie Digestive (FFCD), 21079, Dijon, France. FAU - Pelkowski, Manon AU - Pelkowski M AD - UMR LNC 1231, EPICAD INSERM, Universite de Bourgogne, Dijon, France. AD - Federation Francophone de Cancerologie Digestive (FFCD), 21079, Dijon, France. FAU - Pereira, Bruno AU - Pereira B AD - Direction de la recherche clinique et de l'innovation, CHU Clermont-Ferrand, 63000, Clermont-Ferrand, France. FAU - Balayssac, David AU - Balayssac D AD - UMR 1107 NEURODOL, service de pharmacologie medicale, CHU Clermont-Ferrand, Universite Clermont Auvergne, INSERM, 63000, Clermont-Ferrand, France. AD - Direction de la recherche clinique et de l'innovation, CHU Clermont-Ferrand, 63000, Clermont-Ferrand, France. LA - eng SI - ClinicalTrials.gov/NCT05254639 GR - 20-082 PHRC-K 2020/Institut National Du Cancer/ PT - Clinical Trial Protocol PT - Journal Article DEP - 20220707 PL - England TA - BMC Cancer JT - BMC cancer JID - 100967800 RN - 04ZR38536J (Oxaliplatin) RN - 8SSC91326P (Donepezil) SB - IM MH - Clinical Trials, Phase III as Topic MH - Donepezil/therapeutic use MH - Humans MH - Multicenter Studies as Topic MH - Oxaliplatin/adverse effects MH - *Peripheral Nervous System Diseases/chemically induced/drug therapy MH - Quality of Life MH - Randomized Controlled Trials as Topic PMC - PMC9264497 OTO - NOTNLM OT - Anticholinesterase OT - Chemotherapy-induced peripheral neuropathy OT - Donepezil OT - Oxaliplatin OT - Pain OT - Study protocol COIS- The authors declare that they have no competing interests. MYLAN will not provide donepezil free of charge and will not participate in any stage of the clinical study or analysis of the results. EDAT- 2022/07/08 06:00 MHDA- 2022/07/12 06:00 PMCR- 2022/07/07 CRDT- 2022/07/07 23:44 PHST- 2022/05/09 00:00 [received] PHST- 2022/06/22 00:00 [accepted] PHST- 2022/07/07 23:44 [entrez] PHST- 2022/07/08 06:00 [pubmed] PHST- 2022/07/12 06:00 [medline] PHST- 2022/07/07 00:00 [pmc-release] AID - 10.1186/s12885-022-09806-8 [pii] AID - 9806 [pii] AID - 10.1186/s12885-022-09806-8 [doi] PST - epublish SO - BMC Cancer. 2022 Jul 7;22(1):742. doi: 10.1186/s12885-022-09806-8.