Insulin glargine and risk of cancer: a cohort study in the French National Healthcare Insurance Database.

Insulin glargine and risk of cancer: a cohort study in the French National Healthcare Insurance Database.
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DOI:
10.1007/s00125-011-2429-5
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发表时间:
2012-03
期刊:
影响因子:
8.2
通讯作者:
Moore, N.
Moore, N.
中科院分区:
医学1区
文献类型:
--
作者:
Blin, P.;Lassalle, R.;Dureau-Pournin, C.;Ambrosino, B.;Bernard, M. A.;Abouelfath, A.;Gin, H.;Le Jeunne, C.;Pariente, A.;Droz, C.;Moore, N.

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使用Echantillon Généraliste de Bénéficiaires:法国国家医疗保险系统数据库(EGB)随机1/97永久样本,我们研究了甘精胰岛素(A21 Gly、B31 Arg、B32 Arg人胰岛素)使用者的癌症风险是否如先前怀疑的那样高于人胰岛素使用者。调查期为2003年1月1日至2010年6月30日。我们使用考克斯比例风险时间依赖性模型,根据甘精胰岛素与人胰岛素使用的倾向评分四分位数进行分层,并调整胰岛素、双胍类和磺酰脲类药物拥有率,以评估与等效人胰岛素使用者相比,甘精胰岛素的所有或事件专用或主要(≥80%使用时间)使用者的癌症或死亡风险。仅研究了2型糖尿病患者。暴露率范围从甘精胰岛素或人胰岛素事件专用者分别为2,273和614患者-年至主要使用甘精胰岛素或人胰岛素的所有患者分别为3125和2341患者-年。甘精胰岛素vs人胰岛素的所有类型癌症HR范围为0.59(95% CI 0.28,1.25)(事件专用者)至0.58(95% CI 0.34,1.01)(所有主要使用者)。这些患者的癌症风险随着胰岛素或磺脲类药物的暴露而增加。与人胰岛素相比,甘精胰岛素相关死亡或癌症的校正HR范围为0. 58(95% CI 0. 32,1. 06)至0. 56(95% CI 0. 36,0. 87)。与单独使用人胰岛素相比,单独使用甘精胰岛素的2型糖尿病患者的癌症风险没有增加。甘精胰岛素组患者的死亡或癌症总体风险约为人胰岛素组患者的一半,因此排除了竞争性风险偏倚。
Using the Echantillon Généraliste de Bénéficiaires: random 1/97 permanent sample of the French national healthcare insurance system database (EGB), we investigated whether, as previously suspected, the risk of cancer in insulin glargine (A21Gly,B31Arg,B32Arg human insulin) users is higher than in human insulin users. The investigation period was from 1 January 2003 to 30 June 2010. We used Cox proportional hazards time-dependent models that were stratified on propensity score quartiles for use of insulin glargine vs human insulin, and adjusted for insulin, biguanide and sulfonylurea possession rates to assess the risk of cancer or death in all or incident exclusive or predominant (≥80% use time) users of insulin glargine compared with equivalent human insulin users. Only type 2 diabetic patients were studied. Exposure rates varied from 2,273 and 614 patient-years for incident exclusive users of insulin glargine or human insulin, respectively, to 3125 and 2341 patient-years for all patients predominantly using insulin glargine or human insulin, respectively. All-type cancer HRs with insulin glargine vs human insulin ranged from 0.59 (95% CI 0.28, 1.25) in incident exclusive users to 0.58 (95% CI 0.34, 1.01) in all predominant users. Cancer risk increased with exposure to insulin or sulfonylureas in these patients. Adjusted HRs for death or cancer associated with insulin glargine compared with human insulin ranged from 0.58 (95% CI 0.32, 1.06) to 0.56 (95% CI 0.36, 0.87). There was no excess risk of cancer in type 2 diabetic patients on insulin glargine alone compared with those on human insulin alone. The overall risk of death or cancer in patients on insulin glargine was about half that of patients on human insulin, thereby excluding a competitive risk bias.
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