Clinical trial to study the safety tolerability, pharmacokinetics, food effect and pharmacodynamics of a new compound P7435 in in healthy, overweight and/or obese subjects

• A phase I, randomized, double-blind, placebo-controlled, dose escalating study of P7435 to determine the safety, tolerability, pharmacokinetics, food effect and pharmacodynamics of single and multiple ascending doses of P7435.
• Subjects participating will be either healthy subjects or healthy overweight and/or obese subjects. In this study, overweight/obese are defined as subjects having a BMI of 23 kg/m2 and above.
• The study will be conducted in 3 parts as follows: Part A will consist of the Single Ascending Dose (SAD) study, Part B will consist of the Multiple Ascending Dose (MAD) study and Part C will consist of the Food Effect study.

Inclusion Criteria:

• Willingness and are able to provide a written informed consent to participate in the study.
• Healthy adult male subjects aged between 18 and 45 (both inclusive) years old
• BMI between 19 and 23 kg/m2. Overweight (BMI between 23 and 25kg/m2) and/or obese (BMI between 25 and 35 kg/m2) but otherwise healthy subjects in PartB .
• Healthy as determined by the investigator
• Smoking less than 10 cigarettes per day and able to refrain from smoking during confinement.
• Ability and willingness to abstain from alcohol, methylxanthine-containing beverages or food (coffee, tea, coke, chocolate, "power drinks") and grapefruit juice to admission.

Exclusion Criteria:

• Employees of the sponsor or clinical sites.
• Female subjects.
• No past or current serious diseases of any organ will be allowed. Exceptions may be non-malignant skin diseases, childhood asthma and other conditions as per the Investigator's discretion and discussed with the Sponsor a priori. History of significant gastrointestinal disease or other significant diseases including cardiac, renal or liver impairment.
• History of sleep apnea, irregular sleep/wake cycle or working in night shifts.
• Acute disease state
• History of hypo/hyperthyroidism or repeated abnormal TSH values at screening or obesity of endocrine origin.
• History of alcoholism for more than 2 years
• Positive serology for human immunodeficiency virus (HIV-1/2) antibodies, hepatitis B surface antigen (HBsAg), and/or hepatitis C virus (HCV) antibodies.
• Positive findings in urine drug screen / alcohol breath test.
• Participation in another clinical trial within 90 days of the first drug administration.
• Intake of more than 8-10 cups of coffee and/or tea per day and consumption of methyl xanthine-containing beverages (tea, coffee, cola drinks, chocolate) within 48 hours prior to study.
• Donation of blood (i.e. 350 ml) within 90 days before Day -1 of the first treatment period.