- Patients on drugs that are strong P450 cytochrome P450, family 3, subfamily A, polypeptide 4 (CYP3A4) inhibitors or inducers; these drugs should be stopped 5 half-lives prior to starting investigational agents with temsirolimus; the strong inducing or inhibiting agents should not restart until 1 week after the end of study treatment; the principal investigator (PI) or his designee will go over/check the list of medication for individual patients; NOTE: Physiologic replacement of steroids (with either prednisone or hydrocortisone) in patients with adrenalectomy will be allowed