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In Vitro Demonstration of Drug-Reagent Interactions Among Commonly Used Parenteral Drugs in Cardiology

In Vitro Demonstration of Drug-Reagent Interactions Among Commonly Used Parenteral Drugs in Cardiology

Ataman Gönel, Mustafa Begenc Tascanov, Nihayet Bayraktar, Ismail Koyuncu, Veysel Agan, Mehmet Enes, Ahmet Guzelcicek

Cardiovasc Hematol Agents Med Chem. 2020 Feb 25.

PMID: 32101135

Abstract:

Background:
Drug-drug interactions are undesirable, as they reduce drug bioavailability. Drug-reagent interactions in biochemical tests may directly affect the accuracy of test results.
Objective:
The aim of the present study was to investigate the impact of drug-reagent interactions of drugs used in cardiology on different cardiac markers (troponin I, Nt-proBNP, CK-MB mass, CK, AST, and LDH) and the D-dimer test.
Method:
Eleven drugs (enoxaparin, tirofiban hydrochloride monohydrate, diltiazem, glyceryl trinitrate, metoprolol, epinephrine, heparin sodium, atropine sodium, furosemide, norepinephrine tartrate, and amiodarone HCl) were tested in an interference study. The interference protocol was applied to the control material of troponin I, CK-MB mass, Nt-proBNP, CK, AST, LDH tests with 11 different drugs and performed with analyzers. Cardiac Markers Plus Control (Bio-Rad, Irvine, CA, USA; Lot: 23662) materials were used to assess the impact of drug-reagent interactions on the accuracy of tests of cardiac markers based on immunoassay methods. The bias rate, defined as the extent of deviation from the target value (bias %), in the interference study was calculated in each test.
Results:
For all 11 drugs, positive interference in the range of 43.58% to 130.06% occurred in the CK-MB mass test, whereas positive interference in the range of 11.98% to 107.44% occurred in the troponin I test. All the drugs, except enoxaparin sodium, led to negative interference in the range of -84.21 to -29.6% in the Nt-proBNP test. In the D-dimer test, amiodarone HCl and diltiazem caused interference (122.87% and 28.08%, respectively). The percentage of interference caused by the other drugs ranged from -1.27% to 11.44%. Minimal deviations the target values (between -3.31% and 3.86%) were observed in the CK, AST, and LDH tests measured using spectrophotometric methods.
Conclusion:
Parenteral drugs used in cardiology can significantly interfere with troponin I, CK-MB mass, Nt-proBNP, and D-dimer tests in the analytical phase because of drug-reagent interactions. Minimal deviations in the CK, AST, and LDH tests were observed using spectrophotometric methods. Thus, changes in test results may be due to drug interference rather than the treatment itself. Clinicians should consider the possibility of drug interference in cases of doubtful cardiac test results that do not comply with the diagnosis.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP150915405	Tirofiban hydrochloride monohydrate		150915-40-5	Price

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