Safety, Tolerability and Pharmacokinetics of Repeat Doses of GSK1014802.

Inclusion Criteria: * Healthy as determined by a responsible physician, based on a medical evaluation including medical history, physical examination, laboratory tests and cardiac monitoring. * Male or female (of non-child bearing potential) subjects aged between 18 and 55 years. * A female subject is eligible to participate if she is of non-childbearing potential. * Male subjects must agree to use an acceptable form of contraception. * Body weight ≥ 50 kg and BMI within the range 19 - 29.9 kg/m2 (inclusive) * Capable of giving written informed consent, which includes compliance with the requirements and restrictions listed in the consent form. * QTcB or QTcF \< 450 msec; or QTc \< 480 msec in subjects with Bundle Branch Block. Exclusion Criteria: * The subject has a positive pre-study drug/alcohol screen. * A positive pre-study Hepatitis B surface antigen or positive Hepatitis C antibody result within 3 months of screening * A positive test for HIV antibody. * History of regular alcohol consumption within 6 months of the study defined as an average weekly intake of greater than 21 units or an average daily intake of greater than 3 units (males), or defined as an average weekly intake of greater than 14 units or an average daily intake of greater than 2 units (females). * Current or past history of symptomatic orthostatic hypotension or history of unexplained vasovagal episode(s). * The subject has participated in a clinical trial and has received an investigational product within the following time period prior to the first dosing day in the current study: 30 days, 5 half-lives (60 h) or twice the duration of the biological effect of the investigational product (whichever is longer). * Exposure to more than four new chemical entities within 12 months prior to the first dosing day. * Use of prescription or non-prescription drugs, including vitamins, herbal and dietary supplements (including St John's Wort) within 7 days (or 14 days if the drug is a potential enzyme inducer) or 5 half-lives (whichever is longer) prior to the first dose of study medication. * History of sensitivity to any of the study medications, or components thereof or a history of drug or other allergy that, in the opinion of the investigator or GSK Medical Monitor, contraindicates their participation. * Where participation in the study would result in donation of blood or blood products in excess of 500 mL within a 56 day period. * Pregnant females. * Lactating females. * Unwillingness or inability to follow the procedures outlined in the protocol. * History of sensitivity to heparin or heparin-induced thrombocytopenia. * Urinary cotinine levels indicative of smoking or history or regular use of tobacco- or nicotine-containing products within 6 months prior to screening. * . Consumption of red wine, seville oranges, grapefruit or grapefruit juice and/or pummelos, exotic citrus fruits, grapefruit hybrids or fruit juices from 7 days prior to the first dose of study medication. * History of known or suspected seizures, including infantile febrile, unexplained significant and recent loss of consciousness or history of significant head trauma with loss of consciousness or a family history (first degree relative) of epilepsy or seizures (fits).