Overview A Study of an Investigational Medication for Severe Primary Hyperparathyroidism or Parathyroid Cancer Status: Completed Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary This study will assess an investigational medication for patients with severe primary hyperparathyroidism or parathyroid cancer. Phase: Phase 4 Details Lead Sponsor: AmgenTreatments: CinacalcetCinacalcet Hydrochloride