The objective of the study was to investigate the pharmacokinetics as well as safety and tolerability of a concomitant administration of nifedipine GITS and candesartan tablets under fasting conditions in healthy male subjects.
* Treatment period 1: Single oral dose of 30 mg nifedipine GITS and 8 mg candesartan as loose combination (Treatment A) * Treatment period 2: Single oral dose of 60 mg nifedipine GITS and 16 mg candesartan as loose combination (Treatment B) * Treatment period 3: single oral dose of 60 mg nifedipine GITS and 32 mg candesartan as loose combination (Treatment C) Before any study drug administration in each treatment period, subjects were fasted from food for at least 10 hours. Subjects continued fasting until at least 4 hours after study drug administration. The wash-out phase between treatments was 5 days. The blood collection period for pharmacokinetics after administration was 48 h. Afterwards, subjects were discharged from the ward. A safety follow-up visit was performed approximately 7 days after the last administration.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
12
Candesartan and nifedipine were administered together as loose combination with 240 mL non-sparkling water in the morning after a fasting period of at least 10 hours.
Unnamed facility
Wuppertal, North Rhine-Westphalia, Germany
Overall summary of adverse events as a measure of safety and tolarability
Overview of treatment emergent adverse events and drug related adverse events, including information on severity as well as premature termination of study participation due to adverse events.
Time frame: 7 weeks
Safety related laboratory findings
Laboratory parameters were evaluated in terms of multiples of their upper limits of normal. Changes were considered relevant, if they were at least 1.5 times above the upper limit of normal.
Time frame: 7 weeks
Pharmacokinetic parameters: Maximum drug concentration in plasma after single dose administration divided by dose (mg) (Cmax/D)
Time frame: 48 hours
Pharmacokinetic parameters: Area under the plasma concentration vs time curve from zero to infinity divided by dose (mg) (AUC/D)
Time frame: 48 hours
Pharmacokinetic parameters: Maximum drug concentration in plasma after single dose administration (Cmax)
Time frame: 48 hours
Pharmacokinetic parameters: Area under the plasma concentration vs time curve from zero to infinity after single (first) dose (AUC)
Time frame: 48 hours
Pharmacokinetic parameters: Maximum drug concentration in plasma after single dose administration divided by dose (mg) per kg body weight (Cmax,norm)
Time frame: 48 hours
Pharmacokinetic parameters: Area under the curve divided by dose per kg body weight (AUCnorm)
Time frame: 48 hours
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Pharmacokinetic parameters: AUC from time 0 to the last data point (AUC(0-tn))
Time frame: 48 hours
Pharmacokinetic parameters: Time to reach maximum drug concentration in plasma after single (first) (tmax)
Time frame: 48 hours
Pharmacokinetic parameters: Half-life associated with the terminal slope (t1/2)
Time frame: 48 hours
Pharmacokinetic parameters: Mean residence time (MRT)
Time frame: 48 hours
Pharmacokinetic parameters: Total body clearance of drug from plasma calculated after oral administration (apparent oral clearance) (CL/f)
Time frame: 48 hours