Document Detail

Meta-analysis of cancer risk in folic acid supplementation trials.
MedLine Citation:
PMID:  22018948     Owner:  NLM     Status:  Publisher    
Several reports suggest that folate has a procarcinogenic effect. Folate has a unique role because its coenzymes are needed for de novo purine and thymine nucleotide biosynthesis. Antifolates, such as methotrexate, are used in cancer treatment. Using a meta-analysis weighted for the duration of folic acid (pteroylglutamic acid) supplementation, we analyzed the cancer incidence of six previously published large prospective folic acid-supplementation trials in men and women. These articles were carefully selected from over 1100 identified using PubMed search. Our analyses suggest that cancer incidences were higher in the folic acid-supplemented groups than the non-folic acid-supplemented groups (relative risk=1.21 [95% confidence interval: 1.05-1.39]). Folic acid-supplementation trials should be performed with careful monitoring of cancer incidence. Solid monitoring systems to detect side effects, including increase in cancer risk, should be established before the initiation of folic acid supplementation trials.
Joseph E Baggott; Robert A Oster; Tsunenobu Tamura
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-20
Journal Detail:
Title:  Cancer epidemiology     Volume:  -     ISSN:  1877-783X     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101508793     Medline TA:  Cancer Epidemiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
Department of Nutrition Sciences, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
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