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Clinical Trial Summary

The purpose of this study is to determine if cachexia and changes in body composition influence pharmacokinetics of bisoprolol and ramipril and the accuracy of equations for renal function estimation.


Clinical Trial Description

Patients with chronic heart failure on treatment with bisoprolol and/or ramipril will be included. Study will consist of two study visits: baseline visit (V1) and visit which will be performed at least 6 months after baseline (V2). At both visits same procedures will be performed. On the day of the visit, patients will be asked to take their morning dose of bisoprolol and/or ramipril after the withdrawal of the first morning plasma sample. Additional 3 to 5 plasma samples will be taken within 5 hours post bisoprolol and/or ramipril dose in order to determine pharmacokinetic profile of both drugs. Body composition will be measured by bioimpedance and dual-energy X-ray absorptiometry. Renal function will be measured by clearance of intravenously administered iohexol. Biochemical parameters, muscle strength, fatigue and anorexia will be assessed in order to determine presence of cachexia.

Changes in body composition will be correlated with changes in pharmacokinetic parameters of bisoprolol and ramipril. Pharmacokinetic parameters in cachectic patients will be compared to pharmacokinetic parameters in non-cachectic patients. Parameters of body composition will be correlated with the difference between measured and estimated renal function. ;


Study Design

Observational Model: Cohort, Time Perspective: Prospective


Related Conditions & MeSH terms


NCT number NCT01829880
Study type Observational
Source The University Clinic of Pulmonary and Allergic Diseases Golnik
Contact Mitja Lainscak, MD, PhD
Phone (0) 4 256 9483
Email mitja.lainscak@guest.arnes.si
Status Recruiting
Phase N/A
Start date October 2011
Completion date August 2013

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