To Investigate Effects GSK561679 on Part of the Body's System That Controls the Balance of Many of the Hormones.
Depressive Disorder and Anxiety Disorders

About this trial
This is an interventional diagnostic trial for Depressive Disorder and Anxiety Disorders focused on measuring HPA axis,, Healthy volunteers, hormones,, GSK561679,, cortisol,
Eligibility Criteria
Inclusion:
- Healthy male subjects
- non-smoker
- normal ECG
Exclusion:
- shift workers
- vegetarians
- persons who travel distances
- persons participating in a psychology or psychiatry course
Sites / Locations
- GSK Investigational Site
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Experimental
Experimental
Experimental
Experimental
Experimental
Session 1
Session 2
Session 3
Session 4
Session 5
Subjects will be randomized to receive Dose 1 of Metyrapone 0.04 gram per kilogram (g/kg) and Dose 2 of AEBCD sequence. In AEBCD sequence A is placebo, E Alprazolam, B GSK6561679 10 milligram (mg), C GSK6561679 50 mg and D GSK6561679 400 mg. Wash-out period will be of 7 days.
Subjects will be randomized to receive Dose 1 of Metyrapone 0.04 g/kg and Dose 2 of BACED sequence. In BACED sequence B is GSK6561679 10 mg, A placebo, C GSK6561679 50 mg, E Alprazolam, and D GSK6561679 400 mg. Wash-out period will be of 7 days.
Subjects will be randomized to receive Dose 1 of Metyrapone 0.04 g/kg and Dose 2 of CBEAD sequence. In CBEAD sequence C is GSK6561679 50 mg, B GSK6561679 10 mg, E Alprazolam, A placebo, and D GSK6561679 400 mg. Wash-out period will be of 7 days.
Subjects will be randomized to receive Dose 1 of Metyrapone 0.04 g/kg and Dose 2 of ECABD sequence. In ECABD sequence E is Alprazolam, C is GSK6561679 50 mg, A placebo, B GSK6561679 10 mg and D GSK6561679 400 mg. Wash-out period will be of 7 days.
Subjects will be randomized to receive Dose 1 of Metyrapone 0.04 g/kg and Dose 2 of GSK561679 400 mg and alprazopam placebo. Wash-out period will be of 7 days.