Overview Long-term Safety Study of Intramuscular Injections of 750 mg and 1000 mg Testosterone Undecanoate in Hypogonadal Men Status: Completed Trial end date: 2009-07-01 Target enrollment: Participant gender: Summary To evaluate the pharmacokinetics of TU 750 mg and TU 1000 mg via multiple measurements of serum total testosterone. Phase: Phase 3 Details Lead Sponsor: Endo PharmaceuticalsTreatments: MethyltestosteroneTestosteroneTestosterone 17 beta-cypionateTestosterone enanthateTestosterone undecanoate