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Vitamin E for prevention of oxaliplatin-induced peripheral neuropathy: a pilot randomized clinical trial / Vitamina E na prevenção de neuropatia periférica induzida pela oxaliplatina: estudo clínico piloto randomizado
Sao Paulo Medical Journal; Afonseca, Samuel Oliveira de; Cruz, Felipe Melo; Cubero, Daniel de Iracema Gomes; Lera, Andrea Thaumaturgo; Schindler, Fernanda; Okawara, Marcia; Souza, Luiz Fernando de; Rodrigues, Nataly Pimentel; Giglio, Auro del.
  • Afonseca, Samuel Oliveira de; Faculdade de Medicina do ABC (FMABC). Discipline of Hematology and Oncology. MD. Master's degree Student. Santo André. BR
  • Cruz, Felipe Melo; Faculdade de Medicina do ABC (FMABC). Discipline of Hematology and Oncology. MD. Master's degree Student. Santo André. BR
  • Cubero, Daniel de Iracema Gomes; Faculdade de Medicina do ABC (FMABC). Discipline of Hematology and Oncology. MD. Master's degree Student. Santo André. BR
  • Lera, Andrea Thaumaturgo; Faculdade de Medicina do ABC (FMABC). Discipline of Hematology and Oncology. MD. Master's degree Student. Santo André. BR
  • Schindler, Fernanda; Faculdade de Medicina do ABC (FMABC). Discipline of Hematology and Oncology. MD. Master's degree Student. Santo André. BR
  • Okawara, Marcia; Faculdade de Medicina do ABC (FMABC). Discipline of Hematology and Oncology. MD. Master's degree Student. Santo André. BR
  • Souza, Luiz Fernando de; Faculdade de Medicina do ABC (FMABC). Discipline of Hematology and Oncology. MD. Master's degree Student. Santo André. BR
  • Rodrigues, Nataly Pimentel; Faculdade de Medicina do ABC (FMABC). Discipline of Hematology and Oncology. MD. Master's degree Student. Santo André. BR
  • Giglio, Auro del; Faculdade de Medicina do ABC (FMABC). Discipline of Hematology and Oncology. MD. Master's degree Student. Santo André. BR
São Paulo med. j ; 131(1): 35-38, mar. 2013. tab, graf
Article in English | LILACS | ID: lil-668871
ABSTRACT
CONTEXT AND OBJECTIVE

id="para1">Oxaliplatin is one of the chemotherapy regimens most used for treating colorectal cancer. One of the main limitations to its use is induction of peripheral neuropathy. Previous studies have shown that vitamin E can reduce the incidence of peripheral neuropathy by 50%. This study aimed to assess the effectiveness of vitamin E for prevention of oxaliplatin-induced peripheral neuropathy. DESIGN AND SETTING

id="para2">Prospective, phase II, randomized pilot study developed at a university hospital in the Greater ABC region. <a class="decs" id="22045">METHODS</a>

id="para3">Patients were randomized five days before starting oxaliplatin treatment, to receive either vitamin E or placebo until the end of the chemotherapy regimen. The outcome was evaluated using the Common Terminology Criteria for Adverse Events (CTCAE), version 3, and specific gradation scales for oxaliplatin-induced peripheral neuropathy. Patients with colorectal and gastric cancer who had been scheduled to receive oxaliplatin-based chemotherapy were included. Both groups received calcium and magnesium supplementation before and after oxaliplatin infusions. RESULTS

id="para4">Eighteen patients were randomized to the vitamin E group and 16 to the placebo group. Cumulative incidence of 83% with peripheral neuropathy grades 1/2 was observed in the vitamin E group, versus 68% in the placebo group (P = 0.45). A trend towards more diarrhea was observed among patients who received vitamin E (55.6% vs. 18.8%; P = 0.06). There were no other significant differences in toxicity between the groups. CONCLUSIONS

id="para5">No significant decrease in the incidence of acute oxaliplatin-induced peripheral neuropathy was demonstrated through vitamin E use. CLINICAL ... </div> <div class="tab-pane fade show abstract" id="mark_ab_pt" role="tabpanel" aria-labelledby="mark_ab_pt-tab" lang="pt"> <div class="d-none d-print-block">RESUMO</div> <sec> <title>CONTEXTO E OBJETIVO

id="para7">A oxaliplatina é um dos quimioterápicos mais utilizados no tratamento do câncer colorretal, sendo a indução da neuropatia periférica (NP) uma das principais limitações para o seu uso. Trabalhos anteriores demonstraram que a vitamina E poderia reduzir a incidência dessa neuropatia em 50%. Este estudo teve como objetivo avaliar a efetividade da vitamina E na prevenção da NP induzida pela oxaliplatina. TIPO DE ESTUDO E LOCAL

id="para8">Estudo piloto prospectivo e randomizado de fase II desenvolvido em hospital universitário do Grande ABC. <a class="decs" id="22045">MÉTODOS</a>

id="para9">Os pacientes foram randomizados para receber vitamina E ou placebo por cinco dias antes do início do tratamento com oxaliplatina e até o término do regime quimioterápico. O desfecho foi avaliado através dos Critérios Comuns de Toxicidade do Câncer versão 3 (CTCAE) e escalas específicas de gradação da NP induzida por oxaliplatina. Foram incluídos pacientes com câncer colorretal e gástrico programado para receber quimioterapia baseada em oxaliplatina. Ambos os grupos receberam suplementação de cálcio e magnésio antes e depois das infusões de oxaliplatina. RESULTADOS

id="para10">Dezoito pacientes foram randomizados para grupo da vitamina E e 16 para o grupo placebo. Observou-se incidência cumulativa de 83% das classes I/II de neuropatia periférica no grupo da vitamina E, contra 68% no grupo placebo (P = 0,45). Observou-se maior tendência à diarreia em pacientes que receberam vitamina E (55,6% versus 18,8%, P = 0,06). Não houve outras diferenças significativas quanto às toxicidades entre os grupos. ...

Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Organoplatinum Compounds / Vitamin E / Vitamins / Colorectal Neoplasms / Peripheral Nervous System Diseases / Antineoplastic Agents Type of study: Controlled clinical trial / Observational study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Faculdade de Medicina do ABC (FMABC)/BR

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Full text: Available Index: LILACS (Americas) Main subject: Organoplatinum Compounds / Vitamin E / Vitamins / Colorectal Neoplasms / Peripheral Nervous System Diseases / Antineoplastic Agents Type of study: Controlled clinical trial / Observational study / Risk factors Limits: Adult / Aged / Female / Humans / Male Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2013 Type: Article Affiliation country: Brazil Institution/Affiliation country: Faculdade de Medicina do ABC (FMABC)/BR