Effect of antibody specificity on results of selected digoxin immunoassays among various clinical groups

P Datta, L Xu, S Malik, D Landicho, L Ferreri… - Clinical …, 1996 - academic.oup.com
We examined the specificity of three automated digoxin immunoassays (Abbott TDxFLx
Digoxin II assay, Baxter-Dade Stratus II Digoxin assay, and Ciba Corning ACS Digoxin …

Effects of digoxinlike immunoreactive substances and digoxin FAB antibodies on the new digoxin microparticle enzyme immunoassay

MJ Crossey, A Dasgupta - Therapeutic drug monitoring, 1997 - journals.lww.com
Digoxin-like immunoreactive substance (DLIS) is known to interfere with fluorescence
polarization immunoassay (FPIA)(Digoxin II, Abbott Laboratories) and falsely elevates the …

Interference from digoxin-like immunoreactive substance (s) in commercial digoxin kit assay methods

RG Morris, DB Frewin, NC Saccoia… - European journal of …, 1990 - Springer
We have examined the current state of interference by digoxin-like immunoreactive
substance (s)(DLIS) in 10 commercially available digoxin assay methods, ie 5 …

Analytical performance of a monoclonal digoxin assay with increased specificity on the ACS: 180

JJ Miller, RW Straub Jr, R Valdes Jr - Therapeutic drug monitoring, 1996 - journals.lww.com
Digoxin metabolites cross-react in the Ciba Corning ACS digoxin assay in proportion to their
bioactivity, but have greater (near 100%) cross-reactivity in the Abbott TDx, Baxter Stratus …

Digoxin assays: frequent, substantial, and potentially dangerous interference by spironolactone, canrenone, and other steroids

W Steimer, C MullER, B Eber - Clinical chemistry, 2002 - academic.oup.com
Background: A case of digoxin toxicity resulted from falsely low values with the MEIA II assay
for digoxin (AxSYM®; Abbott). The low results were caused by negative interference from …

Validity of unbound digoxin measurements by immunoassays in presence of antidote (Digibind®)

SA Jortani, A Pinar, NA Johnson, R Valdes Jr - Clinica chimica acta, 1999 - Elsevier
Measurement of unbound digoxin in presence of Fab fragments may be useful in
management of overdoses. The analysis can be performed on serum directly or on …

Inaccuracies in digoxin measurement

JD Cook, TR Koch, MS Cook, EC Knoblock - Clinical Biochemistry, 1988 - Elsevier
Six commercial digoxin immunoassay kits were evaluated for their accuracy of calibration
and their extent of interference by digoxinlike immunoreactive substance (DLIS). Calibration …

Comparison of the pharmacokinetics and in vivo bioaffinity of DigiTAb versus Digibind

SB Ward, L Sjostrom, MR Ujhelyi - Therapeutic drug monitoring, 2000 - journals.lww.com
The in vivo digoxin binding affinity and normal pharmacokinetic values of digoxin-immune
Fab are unknown. Healthy subjects (n= 16) were randomized to one of the two digoxin …

Abbott ARCHITECT clinical chemistry and immunoassay systems: digoxin assays are free of interferences from spironolactone, potassium canrenoate, and their …

A DeFrance, D Armbruster, D Petty… - Therapeutic drug …, 2011 - journals.lww.com
Spironolactone, which is metabolized to canrenone, is often used in combination with
digoxin. Potassium canrenoate is a similar drug that is also metabolized to canrenone. As a …

Sensitive and specific LC‐MS assay for quantification of digoxin in human plasma and urine

BJ Kirby, T Kalhorn, M Hebert… - Biomedical …, 2008 - Wiley Online Library
Digoxin, a commonly prescribed cardiac glycoside with a narrow therapeutic window, is
routinely used in pharmacokinetic studies to assess the in vivo activity of the drug efflux …