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Antioxidant status and risk of cancer in the SU.VI.MAX study: is the effect of supplementation dependent on baseline levels?
Br J Nutr 2005; 94(1):125-32BJ

Abstract

The SUpplementation en VItamines et Mineraux AntioXydants (SU.VI.MAX) study, a randomised double-blind, primary-prevention trial showed that after 7.5 years, low-dose antioxidant supplementation lowered the total cancer incidence in men, but not in women. To explain this difference in the impact of antioxidant supplementation in men and women, we hypothesised that the effect of supplementation is dependent on initial antioxidant status; 12 741 French adults (7713 females aged 35--60 years; 5028 males aged 45--60 years) received daily antioxidant supplementation (120 mg vitamin C, 30 mg vitamin E, 6 mg beta-carotene, 100 microg Se, 20 mg Zn daily) or a matching placebo. Cut-off limits for baseline serum concentrations of the different antioxidant vitamins and minerals were defined as follows for both men and women: 0.3 micromol/l for beta-carotene, 11.4 micromol/l for vitamin C, 15 micromol/l for vitamin E, 0.75 micromol/l for Se and 10.7 micromol/l for Zn. The percentage of men with serum concentrations under cut-off limits was higher for vitamins C and E and beta-carotene in those who developed a cancer than in those who did not. The risk of cancer was higher in men with baseline concentrations of serum vitamin C or vitamin E under cut-off limits, but not in women. The effect of supplementation was greater in men with baseline serum concentrations of vitamin C, vitamin E and beta-carotene below the cut-off limits compared with those above it. This effect was maintained only for vitamin E after adjustment for age, tobacco, and alcohol consumption and BMI. No effect of supplementation could be seen in women. Baseline antioxidant status is related to the risk of cancer in men but not in women and therefore does not entirely explain the differences observed in the effect of antioxidant supplementation on cancer risk between sexes in the SU.VI.MAX study.

Authors+Show Affiliations

U557 Inserm (UMR Inserm/Inra/CNAM), Institute Scientifique et Technique de la Nutrition et de l' Alimentation/CNAM, F-75003 Paris, France. pilar.galan@cnam.frNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16115341

Citation

Galan, Pilar, et al. "Antioxidant Status and Risk of Cancer in the SU.VI.MAX Study: Is the Effect of Supplementation Dependent On Baseline Levels?" The British Journal of Nutrition, vol. 94, no. 1, 2005, pp. 125-32.
Galan P, Briançon S, Favier A, et al. Antioxidant status and risk of cancer in the SU.VI.MAX study: is the effect of supplementation dependent on baseline levels? Br J Nutr. 2005;94(1):125-32.
Galan, P., Briançon, S., Favier, A., Bertrais, S., Preziosi, P., Faure, H., ... Hercberg, S. (2005). Antioxidant status and risk of cancer in the SU.VI.MAX study: is the effect of supplementation dependent on baseline levels? The British Journal of Nutrition, 94(1), pp. 125-32.
Galan P, et al. Antioxidant Status and Risk of Cancer in the SU.VI.MAX Study: Is the Effect of Supplementation Dependent On Baseline Levels. Br J Nutr. 2005;94(1):125-32. PubMed PMID: 16115341.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Antioxidant status and risk of cancer in the SU.VI.MAX study: is the effect of supplementation dependent on baseline levels? AU - Galan,Pilar, AU - Briançon,Serge, AU - Favier,Alain, AU - Bertrais,Sandrine, AU - Preziosi,Paul, AU - Faure,Henri, AU - Arnaud,Josiane, AU - Arnault,Nathalie, AU - Czernichow,Sébastien, AU - Mennen,Louise, AU - Hercberg,Serge, PY - 2005/8/24/pubmed PY - 2005/10/7/medline PY - 2005/8/24/entrez SP - 125 EP - 32 JF - The British journal of nutrition JO - Br. J. Nutr. VL - 94 IS - 1 N2 - The SUpplementation en VItamines et Mineraux AntioXydants (SU.VI.MAX) study, a randomised double-blind, primary-prevention trial showed that after 7.5 years, low-dose antioxidant supplementation lowered the total cancer incidence in men, but not in women. To explain this difference in the impact of antioxidant supplementation in men and women, we hypothesised that the effect of supplementation is dependent on initial antioxidant status; 12 741 French adults (7713 females aged 35--60 years; 5028 males aged 45--60 years) received daily antioxidant supplementation (120 mg vitamin C, 30 mg vitamin E, 6 mg beta-carotene, 100 microg Se, 20 mg Zn daily) or a matching placebo. Cut-off limits for baseline serum concentrations of the different antioxidant vitamins and minerals were defined as follows for both men and women: 0.3 micromol/l for beta-carotene, 11.4 micromol/l for vitamin C, 15 micromol/l for vitamin E, 0.75 micromol/l for Se and 10.7 micromol/l for Zn. The percentage of men with serum concentrations under cut-off limits was higher for vitamins C and E and beta-carotene in those who developed a cancer than in those who did not. The risk of cancer was higher in men with baseline concentrations of serum vitamin C or vitamin E under cut-off limits, but not in women. The effect of supplementation was greater in men with baseline serum concentrations of vitamin C, vitamin E and beta-carotene below the cut-off limits compared with those above it. This effect was maintained only for vitamin E after adjustment for age, tobacco, and alcohol consumption and BMI. No effect of supplementation could be seen in women. Baseline antioxidant status is related to the risk of cancer in men but not in women and therefore does not entirely explain the differences observed in the effect of antioxidant supplementation on cancer risk between sexes in the SU.VI.MAX study. SN - 0007-1145 UR - https://www.unboundmedicine.com/medline/citation/16115341/Antioxidant_status_and_risk_of_cancer_in_the_SU_VI_MAX_study:_is_the_effect_of_supplementation_dependent_on_baseline_levels L2 - https://www.cambridge.org/core/product/identifier/S0007114505001613/type/journal_article DB - PRIME DP - Unbound Medicine ER -