Conditions: Male Hypogonadism Primary Hypogonadism Secondary Hypogonadism
Allocation: NA | Intervention model: SINGLE_GROUP
Enrollment: 15
Healthy volunteers: no

Brief summary:
The purpose of the study is to confirm how long (i.e., how many days) it takes to reach steady-state when testosterone undecanoate is administered twice daily.

Detailed description:
Serum testosterone levels will be obtained in hypogonadal (serum testosterone \<300 ng/dL) males receiving testosterone undecanoate capsules administered twice daily. Serum samples will be obtained consecutively in the morning on several days during one month of open-label treatment to confirm the time at which steady-state is reached.

Arms:
arm 1: Oral testosterone undecanoate, 200 mg testosterone (T) as TU, twice daily for 28 days.

Interventions: intervention 1: Testosterone undecanoate
Intervention descriptions: intervention 1: None

Protocol document: