Study Status: Enrolling by invitation
Recruit Status: Enrolling by invitation
Study Type: Interventional
Official Title: A Phase 3b, Multi-center, Open-label Trial to Evaluate the Long Term Safety of Titrated Immediate-release Tolvaptan (OPC 41061, 30 mg to 120 mg/Day, Split Dose) in Subjects With
Brief Summary: The purpose of the study is to evaluate and describe the long term safety of tolvaptan in patients with autosomal dominant polycystic kidney disease (ADPKD