Study to Compare the Bioavailability of Dutasteride Novel Formulation Form to the Soft Gel Capsule Form in Healthy Male Subjects

Inclusion Criteria: * Healthy as determined by a responsible and experienced physician. * Males between 20 and 45 years of age inclusive, at the time of signing the informed consent form. * Male subjects with female partners of child-bearing potential must agree to use one of the contraception. * Body mass index within the range 18-30 kg/m2 (inclusive); weight range 55-95 kg (inclusive). * Capable of giving written informed consent. * Single QTcB \< 450 msec. * Aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase, and bilirubin less than or equal to 1.5xULN (isolated bilirubin \>1.5xULN is acceptable if bilirubin is fractionated and direct bilirubin \<35%). Exclusion Criteria: * History of postural hypotension, dizziness, poor hydration, vertigo, vaso-vagal reactions or any other signs and symptoms of orthostasis. * Current or chronic history of liver disease, or known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones). * A positive pre-study Hepatitis B surface antigen or positive Hepatitis C antibody result within 3 months of screening * A positive test for human immunodeficiency virus (HIV) antibody. * Subject is mentally or legally incapacitated. * Use of prescription or non-prescription drugs, including vitamins, herbal and dietary supplements. * History of sensitivity to dutasteride, components thereof or drugs of this class or a history of drug or other allergy. * History of sensitivity to heparin or heparin-induced thrombocytopenia * The subject has participated in a clinical trial for 30 days, 5 half-lives 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. * A positive pre-study drug/alcohol screen. * History of regular alcohol consumption. * Consumption of red wine, grapefruit juice, grapefruit and related hybrids, and jufen grapes. * The subject has donated blood or blood products in excess of 500 mL within a 56 day period. * Urinary cotinine levels indicative of smoking or history or regular use of tobacco- or nicotine-containing products within 6 months. * Unwillingness or inability to follow the procedures outlined in the protocol.