Pharmacology is a dynamically developing field in which the knowledge of physiology, biochemistry and molecular biology is closely intertwined. It is also a field reflecting the clinical aspects of the disease.
Although the number of authorized drugs increases every year, it is also necessary to be aware of the complicated path that a potentially effective newly discovered drug substance must go before it can be evaluated in clinical trials and reach the patient. Even then, however, her life cycle does not end.
Even after its introduction into routine clinical practice, its safety is constantly monitored and in the event of the discovery of another substance with a better efficacy-safety profile, it is completely replaced. There are not many active substances that are commonly used for several decades.