BI 409306

This Study Tests Whether BI 409306 Prevents Patients With a Specific Type of Mental Illness (Attenuated Psychosis Syndrome) From Becoming Worse. This Study Looks at How Well Patients Tolerate the Medicine and How Effective it is Over 1 Year

This Study Tests Whether BI 409306 Prevents Patients With Schizophrenia From Becoming Worse. This Study Looks at How Well Patients Tolerate BI 409306 and How Effective it is Over 6 Months

BI 409306 Cardiac Safety Trial in Healthy Volunteers

This Study in Healthy Men and Women Tests How the Body Takes up BI 409306

Investigation of Pharmacokinetic Drug-drug Interaction of BI 409306 and Donepezil in Healthy Male and Female Subjects

Pharmacokinetics of BI 409306 After a High Fat, High Caloric Meal and After a Single Oral Dose Given at Bed Time in Healthy Volunteers

Safety and Tolerability of BI 409306 in Patients With Schizophrenia

Safety Tolerability and Pharmacokinetic of BI 409306

Drug Drug Interaction Trial With Strong CYP3A4 Inhibitor (Itraconazole) in CYP2C19 Extensive Metabolizers and Poor Metabolizers

Assessment of Exposure of BI 409306 in Cerebrospinal Fluid (CSF) Relative to Plasma as Well as to Evaluation of the Effect of Different Doses of BI 409306 on the cGMP (Cyclic Guanosine Monophosphate) Levels in CSF in Healthy Male Volunteers

This Study Tests in Healthy Korean Women Which Effects BI 409306 and a Birth-control Pill Have on Each Other

This Study in Healthy Men and Women Tests Whether BI 409306 Has an Effect on the ECG (Thorough QT Study)

A Study in Healthy Men to Test Whether BI 409306, BI 425809 or Lamotrigine Can Reverse the Memory Problems Caused by Ketamine

Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Multiple Rising Doses of BI 409306

Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Multiple Rising Doses

Drug-drug Interaction Trial Between Rifampicin and BI 409306 in Healthy Volunteers

Alzheimer Disease Proof of Concept Study With BI 409306 Versus Placebo

BI 409306 in Patients With Cognitive Impairment Due to Alzheimer's Disease.