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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Strauss, Volker Wöhrmann, Thomas Frank, Ilona Hübel, Ulrich Luft, Jörg Bode, Gerd Germann, Paul-Georg |
| Description | Country affiliation: Germany Author Affiliation: Strauss V ( Institute of Preclinical Drug Safety, Nycomed GmbH, Hamburg, Germany.) |
| Abstract | In this paper, changes in serum levels of the cardiac biomarkers troponin I and the heart-type fatty acid-binding protein (H-FABP) following administration of a long-acting beta(2)-sympathicomimeticum (long-acting beta-agonist, LABA) to dogs were measured. We measured troponin I in dogs in a 4-week repeated-dose study with inhalative administration of formoterol (13microg/kgd) and a glucocorticoid/formoterol combination (143/16microg/kgd). The medians of troponin I increased within 3 days in both groups, far beyond the cut-off level (0.1microg/L), but returned to baseline levels on study day 9. The increase was more pronounced in the formoterol-only group (3.29microg/L) compared to the glucocorticoid/formoterol combination group (1.32microg/L). In a second study, we measured serum troponin I as well as serum H-FABP levels in several samples over 7 days in dogs, receiving a single inhalative dose of a glucocorticoid/formoterol combination (120/12mug/kgd). The median of the troponin I concentration increased above the cut-off level within 2h and that of H-FABP within 4h. The medians of both parameters were temporarily above the cut-off levels even on study day 7. Both studies were conducted according to national animal welfare guidelines. To our knowledge, this is the first report that shows a corresponding increase of troponin I and H-FABP in dogs treated with formoterol. Both parameters are more sensitive in detecting a drug-induced cardiac injury compared to total LDH, total CK as well as CK MB activity. However, it is recommended to take at least three blood samples per day to assess a temporary increase of troponin I. |
| File Format | HTM / HTML |
| ISSN | 09402993 |
| Issue Number | 4 |
| Volume Number | 62 |
| e-ISSN | 16181433 |
| Journal | Experimental and Toxicologic Pathology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2010-07-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Toxicology Discipline Pathology Adrenergic Beta-2 Receptor Agonists Adverse Effects Ethanolamines Fatty Acid-binding Proteins Blood Troponin I Administration, Inhalation Administration & Dosage Animals Biological Markers Circadian Rhythm Delayed-action Preparations Dogs Dose-response Relationship, Drug Drug Combinations Female Formoterol Fumarate Glucocorticoids Male Myocardial Ischemia Chemically Induced Time Factors Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Toxicology Pathology and Forensic Medicine |
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