Analgesics use and ESRD in younger age: A case-control study

被引：14

作者：

Van Der Woude F.J. ^{[1
]}

Heinemann L.A.J. ^{[2
]}

Graf H. ^{[3
]}

Lewis M. ^{[4
]}

Moehner S. ^{[2
]}

Assmann A. ^{[2
]}

Kühl-Habich D. ^{[4
]}

机构：

[1] Nephrology, 5. Med. Klinik, Klinikum Heidelberg-Mannheim, 68167 Mannheim

[2] Centre for Epidemiology and Health Research Berlin, 10115 Berlin

[3] Neprologie, Krankenanstalt der Stadt Wien, 3. Med. Abteilung, 1030 Wien

[4] EPES Epidemiology, Pharmacoepidemiology and Systems Research GmbH, 12165 Berlin

来源：

BMC Nephrology | / 8卷 / 1期

关键词：

Phenacetin; Alport Syndrome; Dialysis Center; Analgesic Nephropathy; Scientific Advisory Committee;

D O I：

10.1186/1471-2369-8-15

中图分类号：

学科分类号：

摘要：

Background. An ad hoc peer-review committee was jointly appointed by Drug Authorities and Industry in Germany, Austria and Switzerland in 1999/2000 to review the evidence for a causal relation between phenacetin-free analgesics and nephropathy. The committee found the evidence as inconclusive and requested a new case-control study of adequate design. Methods. We performed a population-based case-control study with incident cases of end-stage renal disease (ESRD) under the age of 50 years and four age and sex-matched neighborhood controls in 170 dialysis centers (153 in Germany, and 17 in Austria) from January 1, 2001 to December 31, 2004. Data on lifetime medical history, risk factors, treatment, job exposure and intake of analgesics were obtained in a standardized face-to-face interview using memory aids to enhance accuracy. Study design, study performance, analysis plan, and study report were approved by an independent international advisory committee and by the Drug Authorities involved. Unconditional logistic regression analyses were performed. Results. The analysis included 907 cases and 3,622 controls who had never used phenacetin-containing analgesics in their lifetime. The use of high cumulative lifetime dose (3rd tertile) of analgesics in the period up to five years before dialysis was not associated with later ESRD. Adjusted odds ratios with 95% confidence intervals were 0.8 (0.7 - 1.0) and 1.0 (0.8 - 1.3) for ever- compared with no or low use and high use compared with low use, respectively. The same results were found for all analgesics and for mono-, and combination preparations with and without caffeine. No increased risk was shown in analyses stratifying for dose and duration. Dose-response analyses showed that analgesic use was not associated with an increased risk for ESRD up to 3.5 kg cumulative lifetime dose (98 % of the cases with ESRD). While the large subgroup of users with a lifetime dose up to 0.5 kg (278 cases and 1365 controls) showed a significantly decreased risk, a tiny subgroup of extreme users with over 3.5 kg lifetime use (19 cases and 11 controls) showed a significant risk increase. The detailed evaluation of 22 cases and 19 controls with over 2.5 kg lifetime use recommended by the regulatory advisors showed an impressive excess of other conditions than analgesics triggering the evolution of ESRD in cases compared with controls. Conclusion. We found no clinically meaningful evidence for an increased risk of ESRD associated with use of phenacetin-free analgesics in single or combined formulation. The apparent risk increase shown in a small subgroup with extreme lifetime dose of analgesics is most likely an indirect, non-causal association. This hypothesis, however, cannot be confirmed or refuted within our case-control study. Overall, our results lend support to the mounting evidence that phenacetin-free analgesics do not induce ESRD and that the notion of analgesic nephropathy" needs to be re-evaluated. © 2007 van der Woude et al; licensee BioMed Central Ltd."

引用

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