Bioavailability of Trazodone Hydrochloride (New Polymer) vs. Trazodone Hydrochloride Contramid® at Steady-state.

Inclusion Criteria: * Sex: male/female * Age: 18 to 65 years inclusive * Body-mass index (BMI): ≥ 18.5 kg/m² and ≤ 30.0 kg/m² * Good state of health * Non-smoker or ex-smoker for at least 3 months * Written informed consent (including consent on personal data processing), after having been informed about benefits and potential risks of the clinical trial, as well as details of the insurance taken out to cover the subjects participating in the clinical trial Exclusion Criteria: * Existing cardiac and/or haematological diseases or pathological findings, which might interfere with the safety or tolerability of the active ingredient. * Existing hepatic and/or renal diseases or pathological findings, which might interfere with the safety or tolerability, and/or pharmacokinetics of the active ingredient. * Existing gastrointestinal diseases or pathological findings, which might interfere with the safety, tolerability, absorption and/or pharmacokinetics of the active ingredient. * Presence or history of relevant and currently treated CNS and/or psychiatric disorders. * History of suicidal behaviour, suicidal intentions and/or suicidality among family members. * Nurses Global Assessment of Suicide Risk (NGASR)-scale showing a high or very high risk. * Known allergic reactions or hypersensitivity to the active ingredient used or to constituents of the pharmaceutical preparations * History of severe allergies or multiple drug allergies unless it is judged as not relevant for the cli…