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NCT00441090 · ClinicalTrials.gov registry record · Phase 2

Study of AKR-501 Tablets Taken Orally Once Daily for 28 Days in Patients With Chronic Idiopathic Thrombocytopenic Purpura (ITP)

A Phase 2 study, sponsored by Eisai.

Completed
Registry status
Phase 2
Development phase
64
Enrollment target

NCT00441090: Completed Phase 2 study, sponsored by Eisai.

NCT00441090 is a Phase 2 study that has completed, run by Eisai. The registered enrollment target is 64 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (52% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00441090, a Phase 2 study, has completed, sponsored by Eisai.

COMPLETED
Registry status
Phase 2
Development phase
64 participants
Enrollment target

Study Summary

The purpose of this study is to determine the efficacy, safety and tolerability, of AKR-501 (avatrombopag) tablets, as compared to placebo, in the treatment of participants with chronic Idiopathic Thrombocytopenic Purpura (ITP).

Primary Outcome

Platelet counts were measured from the participant's blood, which was drawn at their Screening Visit B (Day -4 to Day 1, Baseline), and on study drug treatment Day 28. The RR was defined as the percentage of participants with a Day 1 platelet count of less than 30,000/milliliter (mL) who reached a platelet count of greater than or equal to 50,000/mL on Day 28 of study medication, together with the percentage of participants using steroids who had a Day 1 platelet count greater than or equal to 3

Interventions

  • DRUG Placebo
  • DRUG Avatrombopag tablets

Trial Details

FieldValue
Enrollment Target 64 participants
Start Date 2007-02
Est. Completion 2009-06
Phase Phase 2
Eisai

287 total trials

What the finished NCT00441090 record still lists

NCT00441090 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 64 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (52% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT00441090 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00441090 about?

NCT00441090 is a clinical study titled "Study of AKR-501 Tablets Taken Orally Once Daily for 28 Days in Patients With Chronic Idiopathic Thrombocytopenic Purpura (ITP)". The purpose of this study is to determine the efficacy, safety and tolerability, of AKR-501 (avatrombopag) tablets, as compared to placebo, in the treatment of participants with chronic Idiopathic Thrombocytopenic Purpura (ITP).

What is the current status of trial NCT00441090?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 64 participants. The study started on 2007-02. Estimated completion is 2009-06.

What interventions are being tested in trial NCT00441090?

The interventions under investigation include: Placebo (DRUG), Avatrombopag tablets (DRUG).

Who is sponsoring clinical trial NCT00441090?

This trial is sponsored by Eisai, which has 287 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00441090's enrollment target sits among peer trials

64 996th of 2000 higher than 992 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 NCT00441090, the US trial registry maintained by the National Library of Medicine. NCT00441090 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.