Adherence to Antihypertensive Drugs Assessed by Hyphenated High‐Resolution Mass Spectrometry Analysis of Oral Fluids

Background It is currently unknown if antihypertensive drugs can be monitored in oral fluid (OF) using liquid chromatography coupled to high‐resolution mass spectrometry. Methods and Results We assessed adherence using liquid chromatography coupled to high‐resolution mass spectrometry in OF, plasma,...

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Main Authors: Lucas Lauder, Sebastian Ewen, Michael Kunz, Lilian H. J. Richter, Cathy M. Jacobs, Ingrid Kindermann, Michael Böhm, Markus R. Meyer, Felix Mahfoud
Format: Article
Language:English
Published: Wiley 2020-07-01
Series:Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Subjects:
Online Access:https://www.ahajournals.org/doi/10.1161/JAHA.119.014180
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author Lucas Lauder
Sebastian Ewen
Michael Kunz
Lilian H. J. Richter
Cathy M. Jacobs
Ingrid Kindermann
Michael Böhm
Markus R. Meyer
Felix Mahfoud
author_facet Lucas Lauder
Sebastian Ewen
Michael Kunz
Lilian H. J. Richter
Cathy M. Jacobs
Ingrid Kindermann
Michael Böhm
Markus R. Meyer
Felix Mahfoud
author_sort Lucas Lauder
collection DOAJ
description Background It is currently unknown if antihypertensive drugs can be monitored in oral fluid (OF) using liquid chromatography coupled to high‐resolution mass spectrometry. Methods and Results We assessed adherence using liquid chromatography coupled to high‐resolution mass spectrometry in OF, plasma, and urine of 56 consecutive patients with hypertension referred to a tertiary hypertension unit. Of these patients, 59% were completely adherent (all drugs detectable in urine), whereas 29% and 13% were partially adherent (1 drug not detectable in urine) or nonadherent (>1 drug not detectable in urine), respectively. Adherent patients were on fewer antihypertensive drugs (P=0.001), had fewer daily drug doses (P=0.012), and had lower 24‐hour ambulatory systolic (P=0.012) and diastolic (P=0.009) blood pressures than nonadherent or partially adherent patients. Most drugs were detected in urine compared with plasma and OF (181 versus 119 versus 88; P=0.001). Compared with urine and plasma, detection rates of angiotensin‐converting enzyme inhibitors, angiotensin II receptor blockers, and diuretics were lower in OF. There was no difference in the frequency of detecting β blockers (P=1.0) and calcium channel blockers (P=0.063) when comparing OF with urine. There was no difference in the number of calcium channel blockers (P=0.727), β blockers (P=1.000), thiazide diuretics (P=0.125), and α‐2 agonists (P=0.125) identified between OF and plasma. Conclusions This study shows the feasibility of drug adherence testing for several antihypertensive drugs, especially those without acidic components, in OF, with a similar recovery compared with plasma. Therefore, drug adherence testing in OF should be further explored as a noninvasive approach, which can easily be performed in an “out‐of‐office” setting.
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spelling doaj.art-2a81e0b2a1644afb8a2a49712db727642022-12-21T18:13:06ZengWileyJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease2047-99802020-07-0191410.1161/JAHA.119.014180Adherence to Antihypertensive Drugs Assessed by Hyphenated High‐Resolution Mass Spectrometry Analysis of Oral FluidsLucas Lauder0Sebastian Ewen1Michael Kunz2Lilian H. J. Richter3Cathy M. Jacobs4Ingrid Kindermann5Michael Böhm6Markus R. Meyer7Felix Mahfoud8Klinik für Innere Medizin III Kardiologie, Angiologie und Internistische Intensivmedizin Universitätsklinikum des Saarlandes and Saarland University Homburg/Saar GermanyKlinik für Innere Medizin III Kardiologie, Angiologie und Internistische Intensivmedizin Universitätsklinikum des Saarlandes and Saarland University Homburg/Saar GermanyKlinik für Innere Medizin III Kardiologie, Angiologie und Internistische Intensivmedizin Universitätsklinikum des Saarlandes and Saarland University Homburg/Saar GermanyDepartment of Experimental and Clinical Toxicology Institute of Experimental and Clinical Pharmacology and Toxicology Center for Molecular Signaling Saarland University Homburg/Saar GermanyDepartment of Experimental and Clinical Toxicology Institute of Experimental and Clinical Pharmacology and Toxicology Center for Molecular Signaling Saarland University Homburg/Saar GermanyKlinik für Innere Medizin III Kardiologie, Angiologie und Internistische Intensivmedizin Universitätsklinikum des Saarlandes and Saarland University Homburg/Saar GermanyKlinik für Innere Medizin III Kardiologie, Angiologie und Internistische Intensivmedizin Universitätsklinikum des Saarlandes and Saarland University Homburg/Saar GermanyDepartment of Experimental and Clinical Toxicology Institute of Experimental and Clinical Pharmacology and Toxicology Center for Molecular Signaling Saarland University Homburg/Saar GermanyKlinik für Innere Medizin III Kardiologie, Angiologie und Internistische Intensivmedizin Universitätsklinikum des Saarlandes and Saarland University Homburg/Saar GermanyBackground It is currently unknown if antihypertensive drugs can be monitored in oral fluid (OF) using liquid chromatography coupled to high‐resolution mass spectrometry. Methods and Results We assessed adherence using liquid chromatography coupled to high‐resolution mass spectrometry in OF, plasma, and urine of 56 consecutive patients with hypertension referred to a tertiary hypertension unit. Of these patients, 59% were completely adherent (all drugs detectable in urine), whereas 29% and 13% were partially adherent (1 drug not detectable in urine) or nonadherent (>1 drug not detectable in urine), respectively. Adherent patients were on fewer antihypertensive drugs (P=0.001), had fewer daily drug doses (P=0.012), and had lower 24‐hour ambulatory systolic (P=0.012) and diastolic (P=0.009) blood pressures than nonadherent or partially adherent patients. Most drugs were detected in urine compared with plasma and OF (181 versus 119 versus 88; P=0.001). Compared with urine and plasma, detection rates of angiotensin‐converting enzyme inhibitors, angiotensin II receptor blockers, and diuretics were lower in OF. There was no difference in the frequency of detecting β blockers (P=1.0) and calcium channel blockers (P=0.063) when comparing OF with urine. There was no difference in the number of calcium channel blockers (P=0.727), β blockers (P=1.000), thiazide diuretics (P=0.125), and α‐2 agonists (P=0.125) identified between OF and plasma. Conclusions This study shows the feasibility of drug adherence testing for several antihypertensive drugs, especially those without acidic components, in OF, with a similar recovery compared with plasma. Therefore, drug adherence testing in OF should be further explored as a noninvasive approach, which can easily be performed in an “out‐of‐office” setting.https://www.ahajournals.org/doi/10.1161/JAHA.119.014180adherencearterial hypertensioncomplianceliquid chromatography coupled to high‐resolution mass spectrometrytoxicological analyses
spellingShingle Lucas Lauder
Sebastian Ewen
Michael Kunz
Lilian H. J. Richter
Cathy M. Jacobs
Ingrid Kindermann
Michael Böhm
Markus R. Meyer
Felix Mahfoud
Adherence to Antihypertensive Drugs Assessed by Hyphenated High‐Resolution Mass Spectrometry Analysis of Oral Fluids
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
adherence
arterial hypertension
compliance
liquid chromatography coupled to high‐resolution mass spectrometry
toxicological analyses
title Adherence to Antihypertensive Drugs Assessed by Hyphenated High‐Resolution Mass Spectrometry Analysis of Oral Fluids
title_full Adherence to Antihypertensive Drugs Assessed by Hyphenated High‐Resolution Mass Spectrometry Analysis of Oral Fluids
title_fullStr Adherence to Antihypertensive Drugs Assessed by Hyphenated High‐Resolution Mass Spectrometry Analysis of Oral Fluids
title_full_unstemmed Adherence to Antihypertensive Drugs Assessed by Hyphenated High‐Resolution Mass Spectrometry Analysis of Oral Fluids
title_short Adherence to Antihypertensive Drugs Assessed by Hyphenated High‐Resolution Mass Spectrometry Analysis of Oral Fluids
title_sort adherence to antihypertensive drugs assessed by hyphenated high resolution mass spectrometry analysis of oral fluids
topic adherence
arterial hypertension
compliance
liquid chromatography coupled to high‐resolution mass spectrometry
toxicological analyses
url https://www.ahajournals.org/doi/10.1161/JAHA.119.014180
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