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Tolvaptan Phase 3 Efficacy and Safety Study in ADPKD (TEMPO3/4)

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Last updated:1st Jul 2017
Identifier: NCT00428948
Tolvaptan Phase 3 Efficacy and Safety Study in Autosomal Dominant Polycystic Kidney Disease (ADPKD) (TEMPO3:4)

Brief Summary:

This study's purpose is to evaluate the long-term safety and efficacy of tolvaptan versus placebo in patients with ADPKD.

Detailed Description:
This study evaluated whether or not tolvaptan is potentially beneficial, while maintaining an adequate safety profile, by reducing the rate of total kidney volume increase, while impacting the onset, severity, and progression of other important consequences of ADPKD.

During the 3-week titration phase, tolvaptan or placebo was titrated in weekly intervals from lowest to highest tolerated levels given in split-dose regimens of 45/15 mg, 60/30 mg and 90/30 mg orally upon awakening and approximately 9 hours later. As soon as a subject could not tolerate a given dose, the titration phase was over and the maintenance phase began at the dose level tolerated. The maintenance phase lasted to Month 36. Subjects were able to titrate down at any point during the study. Subjects were able to titrate up during the maintenance phase with Medical Monitor approval.

Study Type: Interventional (Clinical Trial)
Actual Enrollment: 1445 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Phase 3, Multi-center, Double-blind, Placebo-controlled, Parallel-arm Trial to Determine Long-term Safety and Efficacy of Oral Tolvaptan Tablets Regimens in Adult Subjects With Autosomal Dominant Polycystic Kidney Disease
Study Start Date: January 2007
Actual Primary Completion Date: January 2012
Actual Study Completion Date: January 2012

- Experimental: Tolvaptan
- Placebo Comparator: Placebo

Category Value
Study type(s) Interventional
Actual enrolment 1445
Study start date 01 January 2007
Actual Study Completion Date 01 January 2012

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