View clinical trials related to Healthy Subjects.
Filter by:Synthetic GLP-1 lowers postprandial (pp) glycemia by stimulating insulin, inhibiting glucagon, and delaying gastric emptying. However, the effects of the endogenous peptide are largely unknown. Using the specific GLP-1 receptor antagonist exendin(9-39)amide (Ex(9-39)) the investigators recently showed that GLP-1 released during intestinal meal perfusion acts as an incretin hormone and as an enterogastrone. As the relative contributions of these effects to controll postprandial glycemia are unclear, the investigators used Ex(9-39) to investigate the mechanisms of action of GLP-1 after an oral meal in humans.
Primary: - To assess the effects of ascending repeated-doses of oral [p.o.] neramexane at therapeutic and supra-therapeutic steady-state doses on cardiac repolarisation (QT/QTc interval) in healthy male and female subjects. Secondary: - To assess the pharmacokinetics [PK] of neramexane and N-OH neramexane (if a validated method will be available for this metabolite) following repeated daily doses of 50 mg (steady state), 75 mg (steady state) and 87.5 mg (steady state). - To assess the safety and tolerability of neramexane 50 mg, 62.5 mg, 75 mg and 87.5 mg repeated-dose treatments when gradually up-titrated in healthy subjects. - To assess the concentration-QT relationship.
This study examines the cardiac effects (effects on the heart) of administering donepezil and begacestat together to healthy subjects.
Fifty healthy human subjects are randomized to not to consume any alcohol at all or to drink 1 glass of red wine/day for women or 2 glasses for men for three months. Outcomes are changes in mood, blood lipids, insulin levels, markers of inflammation and effects on liver and body composition.
Primary: To assess the effects of CYP2B6 inhibition by repeated dose Clopidogrel (75 mg/day) co-administration on the single-dose pharmacokinetics of Neramexane Secondary: To assess safety and tolerability of Neramexane single dose treatment alone and co-administration of a Neramexane single-dose with a Clopidogrel repeated dose treatment
Mefloquine is a quinolinemethanol antimalarial that is effective as therapy and prophylaxis for all species of malaria infecting humans, including multi-drug resistant Plasmodium falciparum. The marketed anti-malaria drug consists of two enantiomers of mefloquine. Mefloquine's clinical utility has been impaired by its association with neuropsychiatric side effects. The pharmacological basis of mefloquine's side effects is not known but two of the most reported hypotheses relate to its action on (i) the adenosine receptor and (ii) its effect on the cholinesterase enzyme. For both of these mechanisms, there is a significant stereoselective activity of the two enantiomers. In vitro studies show that the (-) isomer is 50-100 fold more potent towards adenosine receptors compared with the (+) isomer. In addition, (-)-mefloquine has considerably more anti-cholinesterase activity. It has therefore been hypothesised that (+)-mefloquine may have a better central nervous system (CNS) safety profile compared with either the racemate or (-)-mefloquine. This study is a randomized, ascending dose, double-blind, active and placebo-controlled, parallel group study in healthy male and female volunteers designed to investigate this hypothesis and to describe the comparative pharmacokinetics of the racemate and the single enantiomer.
This study will compare two different formulations of vabicaserin.
The primary objective of this study is to compare steady-state plasma PK, safety and tolerability of GSK1265744 with and without etravirine
The purpose of this study is to evaluate the effect of GSK2448761 on CYP450 metabolic probes and to evaluate the 2-way interaction between GSK2448761 and two ritonavir-boosted protease inhibitors that are commonly used in HIV-infected subjects.
The purpose of this study is to examine the effect of SKI-606 on rhythms of the heart (cardiac repolarization)