1976年Sporn等[1]提出“化学预防(chemoprevention)”的概念,指用化学药物和饮食来干预肿瘤的发生过程,从而降低肿瘤的发生危险。化学预防对乳腺癌、结肠癌和前列腺癌等肿瘤的作用已有很多的研究,并取得了一些可喜的进展,但在肺癌领域进展甚微。1996年在《新英格兰医学杂志》上发表的b-胡萝卜素联合维生素A用于肺癌化学预防的报道[2],让人大失所望。曾经认为β-胡萝卜素和维生素A具有“抗癌”作用,这项研究发现用β-胡萝卜素和维生素A长期干预肺癌高危人群,干预组患肺癌的相对风险显著高于安慰剂对照组,相对风险为1.28(95%可信区间1.04~1.57,P=0.02),肺癌发生的风险不降反升。最新的Meta分析资料也显示β-胡萝卜素增加吸烟者患肺癌的风险[3]。近年来肺癌的化学预防研究一直处于“低谷”之中。
Citation:
WANG Changzhen. Lung Cancer Chemoprevention with Inhaled Corticosteroids?. Chinese Journal of Respiratory and Critical Care Medicine, 2008, 08(3): 161-162. doi:
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Sporn MB,Dunlop NM,Newton DL,et al.Prevention of chemical carcinogenesis by vitamin A and its synthetic analogs (retinoids).Fed Proc,1976,35:1332-1338.
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Omenn GS,Goodman GE,Thornquist MD,et al.Effects of a combination of beta carotene and vitamin A on lung cancer and cardiovascular disease.N Engl J Med,1996,334:1150-1155.
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Tanvetyanon T,Bepler G.Beta-carotene in multivitamins and the possible risk of lung cancer among smokers versus former smokers:a meta-analysis and evaluation of national brands.Cancer. 2008 Apr 21 Epub ahead of print.
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Parimon T,Chien JW,Bryson CL,et al.Inhaled corticosteroids and risk of lung cancer among patients with chronic obstructive pulmonary disease.Am J Respir Crit Care Med,2007,175:712-719.
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Khan A,Agarwal R.Lung Cancer Chemoprevention with Inhaled Corticosteroids? Am J Respir Crit Care Med,2007,176:1169.
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Buring JE,Hennekens CH.beta-carotene and cancer chemoprevention.J Cell Biochem Suppl, 1995,22:226-230.
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- 1. Sporn MB,Dunlop NM,Newton DL,et al.Prevention of chemical carcinogenesis by vitamin A and its synthetic analogs (retinoids).Fed Proc,1976,35:1332-1338.
- 2. Omenn GS,Goodman GE,Thornquist MD,et al.Effects of a combination of beta carotene and vitamin A on lung cancer and cardiovascular disease.N Engl J Med,1996,334:1150-1155.
- 3. Tanvetyanon T,Bepler G.Beta-carotene in multivitamins and the possible risk of lung cancer among smokers versus former smokers:a meta-analysis and evaluation of national brands.Cancer. 2008 Apr 21 Epub ahead of print.
- 4. Parimon T,Chien JW,Bryson CL,et al.Inhaled corticosteroids and risk of lung cancer among patients with chronic obstructive pulmonary disease.Am J Respir Crit Care Med,2007,175:712-719.
- 5. Khan A,Agarwal R.Lung Cancer Chemoprevention with Inhaled Corticosteroids? Am J Respir Crit Care Med,2007,176:1169.
- 6. Buring JE,Hennekens CH.beta-carotene and cancer chemoprevention.J Cell Biochem Suppl, 1995,22:226-230.