The objective of the study is to examine the efficacy and tolerability of a three-year-Testosterone replacement therapy in hypogonadal patients as well as the patient's compliance. The replacement therapy will be performed with a new Testosterone Gel examined in previous trials as Testosteron Gel Wolff (TGW).~A minimum of 100 patients will be recruited and evenly distributed to two treatment arms. 1st arm: dermal (non-scrotal) application of TGW. 2nd arm: scrotal application of TGW.
The objective of the study is to examine the efficacy and tolerability of a three-year-Testosterone replacement therapy in hypogonadal patients as well as the patient's compliance. The replacement therapy will be performed with a new Testosterone Gel examined in previous trials as Testosteron Gel Wolff.