Individualizing pharmacotherapy in patients with renal impairment: the validity of the Modification of Diet in Renal Disease formula in specific patient populations with a glomerular filtration rate below 60 ml/min. A systematic review.

Autor:	Eppenga WL; Radboud University Medical Center, Radboud Institute for Health Sciences, IQ Healthcare, Nijmegen, The Netherlands., Kramers C; Radboud University Medical Center, Department of Pharmacology and Toxicology, Nijmegen, The Netherlands; Department of Clinical Pharmacy, Canisius Wilhelmina Hospital, Nijmegen, The Netherlands., Derijks HJ; Hospital Pharmacy 'ZANOB', 's-Hertogenbosch, The Netherlands; Division of Pharmacoepidemiology and Pharmacotherapy, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, The Netherlands., Wensing M; Radboud University Medical Center, Radboud Institute for Health Sciences, IQ Healthcare, Nijmegen, The Netherlands., Wetzels JF; Radboud University Medical Center, Department of Nephrology, Nijmegen, The Netherlands., De Smet PA; Radboud University Medical Center, Radboud Institute for Health Sciences, IQ Healthcare, Nijmegen, The Netherlands; Radboud University Medical Center, Department of Pharmacy, Nijmegen, The Netherlands.
Jazyk:	angličtina
Zdroj:	PloS one [PLoS One] 2015 Mar 05; Vol. 10 (3), pp. e0116403. Date of Electronic Publication: 2015 Mar 05 (Print Publication: 2015).
DOI:	10.1371/journal.pone.0116403
Abstrakt:	Background: The Modification of Diet in Renal Disease (MDRD) formula is widely used in clinical practice to assess the correct drug dose. This formula is based on serum creatinine levels which might be influenced by chronic diseases itself or the effects of the chronic diseases. We conducted a systematic review to determine the validity of the MDRD formula in specific patient populations with renal impairment: elderly, hospitalized and obese patients, patients with cardiovascular disease, cancer, chronic respiratory diseases, diabetes mellitus, liver cirrhosis and human immunodeficiency virus. Methods and Findings: We searched for articles in Pubmed published from January 1999 through January 2014. Selection criteria were (1) patients with a glomerular filtration rate (GFR) < 60 ml/min (/1.73 m2), (2) MDRD formula compared with a gold standard and (3) statistical analysis focused on bias, precision and/or accuracy. Data extraction was done by the first author and checked by a second author. A bias of 20% or less, a precision of 30% or less and an accuracy expressed as P30% of 80% or higher were indicators of the validity of the MDRD formula. In total we included 27 studies. The number of patients included ranged from 8 to 1831. The gold standard and measurement method used varied across the studies. For none of the specific patient populations the studies provided sufficient evidence of validity of the MDRD formula regarding the three parameters. For patients with diabetes mellitus and liver cirrhosis, hospitalized patients and elderly with moderate to severe renal impairment we concluded that the MDRD formula is not valid. Limitations of the review are the lack of considering the method of measuring serum creatinine levels and the type of gold standard used. Conclusion: In several specific patient populations with renal impairment the use of the MDRD formula is not valid or has uncertain validity.
Databáze:	MEDLINE
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