A randomized, open-label, single-dose, parallel-arm, Phase 1 study to investigate the pharmacokinetic profile of a fixed-dose combination tablet of tesofensine and metoprolol (Tesomet) and co-administration of tesofensine plus commercial metoprolol in adult healthy subjects

This is a randomized, open-label, parallel-arm study in 60 healthy male subjects who meet the inclusion and none of the exclusion criteria for the study. Each subject will participate in a screening period, a baseline period (the day preceding drug administration), and a single-dose treatment period with an on-site observation period of at least 48 hours after the dose.

Inclusion Criteria:

1. Subject voluntarily agrees to participate in this study and signs an Independent Ethics Committee (IEC)-approved informed consent prior to performing any of the Screening Visit procedures.
2. Males between 18 to 55 years of age, inclusive, at the Screening Visit.
3. Nonsmokers (or other nicotine use) as determined by history (no nicotine use over the past 6 months) and by urine cotinine concentration (< 500 ng/mL) at the Screening Visit and admission.
4. BMI between 18.5 and 30.0 kg/m2, inclusive, at the Screening Visit.
5. Healthy, determined by pre-study medical evaluation (medical history, physical examination, vital signs, 12-lead ECG and clinical laboratory evaluations).

Exclusion Criteria:

1. Subject has history or evidence of any clinically significant cardiovascular, gastrointestinal, endocrinologic, hematologic, hepatic, immunologic, metabolic, urologic, pulmonary, neurologic, dermatologic, psychiatric, renal, and/or other major disease or malignancy as judged by the Investigator.
2. Subject has any disorder that would interfere with the absorption, distribution, metabolism or excretion of drugs.
3. Subject has history of alcohol and/or illicit drug abuse within 2 years of entry.
4. Subject is unwilling to avoid consumption of coffee and caffeine-containing beverages within 48 hours prior to admission until discharge from the clinical site.
5. Subject is unwilling to avoid use of alcohol or alcohol-containing foods, medications or beverages, within 48 hours prior to admission until discharge from the clinical site.