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The purpose of this first-in-man trial is to determine the safety and tolerability of ascending single and multiple doses of LEO 27847 in healthy male subjects. The trial will be performed in two parts. In Part 1, single doses of LEO 27847 will be administered to healthy male subjects. In Part 2, multiple doses of LEO 27847 will be administered to healthy male subjects.
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Ages Eligible for Study:
18 Years to 45 Years (Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Subjects will be male between 18 and 45 years of age, with body mass index (BMI) between 18 and 32 kg/m2 inclusive.
Subjects will have a minimum weight of 50 kg
Subjects must be in good health, as determined by a medical history, physical examination, 12-lead electrocardiogram (ECG) and clinical laboratory evaluations (congenital non-haemolytic hyperbilirubinaemia is acceptable)
Subjects will have given their written informed consent to participate in the study and to abide by the study restrictions
Male subjects who are not willing to use appropriate contraception (such as condom) and for female partners; occlusive cap (diaphragm or cervical/vault caps) with spermicidal foam/gel/film/cream/suppository) from the time of the first dose until 3 months after the final dosing occasion.
Subjects who have received any prescribed systemic or topical medication within 7 days of the first dose administration unless in the opinion of the Investigator the medication will not interfere with the study procedures or compromise safety
Subjects who have used any non-prescribed systemic or topical medication (including herbal remedies) within 7 days of the first dose administration unless in the opinion of the Investigator the medication will not interfere with the study procedures or compromise safety
Subjects who have received any medications, including St John's Wort, known to chronically alter drug absorption or elimination processes within 30 days of the first dose administration unless in the opinion of the Investigator the medication will not interfere with the study procedures or compromise safety
Subjects who are still participating in a clinical study (e.g. attending follow-up visits) or who have participated in a clinical study involving administration of an investigational drug (new chemical entity), or a marketed drug within the past 3 months prior to the first dosing occasion.
Subjects who have donated any blood, plasma or platelets in the month prior to screening or who have made donations on more than two occasions within the 12 months preceding the first dose administration
Subjects with a significant history of drug allergy as determined by the Investigator
Subjects who have any clinically significant allergic disease (excluding non-active hayfever) as determined by the Investigator
Subjects who have a supine blood pressure and supine pulse rate at screening higher than 140/90 mmHg and 100 beats per minute (bpm), respectively, or lower than 90/50 mmHg and 50 bpm, respectively. Healthy young males with a pulse rate of between 45 and 50 bpm may be included at the discretion of the investigator.
Subjects who consume more than 28 units (males) of alcohol per week or who have a significant history of alcoholism or drug/chemical abuse as determined by the Investigator (one unit of alcohol equals ½ pint [285 mL] of beer or lager, one glass [125 mL] of wine, or 1/6 gill [25 mL] of spirits)
Subjects who smoke more than 15 cigarettes or the equivalent in tobacco per day
Subjects with, or with a history of, any clinically significant neurological, gastrointestinal, renal, hepatic, cardiovascular, psychiatric, respiratory, metabolic, endocrine, haematological, dermatological or other major disorders as determined by the Investigator
Subjects who have had a clinically significant illness within 4 weeks of the start of dose administration as determined by the Investigator
Subjects who are known to have hepatitis, or who are carriers of the hepatitis B surface antigen (HBsAg) or hepatitis C antibody, or who have a positive result to the test for HIV antibodies
Subjects who, in the opinion of their General Practitioner (GP) or the Investigator, should not participate in the study, including subjects suspected for whatever reason of not being able to comply with the requirements of the protocol