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NCT01451827 · ClinicalTrials.gov registry record · Phase 2

8-Week Study of Tolvaptan Dose Forms in Autosomal Dominant Polycystic Kidney Disease (ADPKD)

A Phase 2 study, sponsored by Otsuka Pharmaceutical Development & Commercialization.

Completed
Registry status
Phase 2
Development phase
178
Enrollment target

NCT01451827: Completed Phase 2 study, sponsored by Otsuka Pharmaceutical Development & Commercialization.

NCT01451827 is a Phase 2 study that has completed, run by Otsuka Pharmaceutical Development & Commercialization. The registered enrollment target is 178 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (34% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01451827, a Phase 2 study, has completed, sponsored by Otsuka Pharmaceutical Development & Commercialization.

COMPLETED
Registry status
Phase 2
Development phase
178 participants
Enrollment target

Study Summary

The purpose of this study is to compare the short-term effects of two tolvaptan formulations in patients with ADPKD.

Primary Outcome

The primary endpoint was percent change from baseline in TKV at Week 3. Total kidney volume is an important measure of disease progression. A 3-week time point is adequate to assess acute effects on kidney cyst shrinkage.

Interventions

  • DRUG Placebo
  • DRUG Tolvaptan MR
  • DRUG Tolvaptan IR

Trial Details

FieldValue
Enrollment Target 178 participants
Start Date 2011-10
Est. Completion 2013-07
Phase Phase 2

What the finished NCT01451827 record still lists

NCT01451827 is an interventional study that assigns participants to a tested intervention. The registered 178 participants enrollment target is mid-sized for trials with a published cap, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (34% higher).

The record links to 0 conditions, and to 3 interventions - of which Placebo is the first listed.

NCT01451827 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01451827 about?

NCT01451827 is a clinical study titled "8-Week Study of Tolvaptan Dose Forms in Autosomal Dominant Polycystic Kidney Disease (ADPKD)". The purpose of this study is to compare the short-term effects of two tolvaptan formulations in patients with ADPKD.

What is the current status of trial NCT01451827?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 178 participants. The study started on 2011-10. Estimated completion is 2013-07.

What interventions are being tested in trial NCT01451827?

The interventions under investigation include: Placebo (DRUG), Tolvaptan MR (DRUG), Tolvaptan IR (DRUG).

Who is sponsoring clinical trial NCT01451827?

This trial is sponsored by Otsuka Pharmaceutical Development & Commercialization, which has 221 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01451827's enrollment target sits among peer trials

178 391st of 2000 higher than 1,607 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT01451827, the US trial registry maintained by the National Library of Medicine. NCT01451827 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.