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NCT00870441 · ClinicalTrials.gov registry record · Phase 1

Study Comparing the Safety of ASP2151 to Valacyclovir and Placebo in Healthy Volunteers

A Phase 1 study, sponsored by Astellas Pharma.

Terminated
Registry status
Phase 1
Development phase
442
Enrollment target

NCT00870441: Clinical Trial Phase 1 study, sponsored by Astellas Pharma.

NCT00870441 is a Phase 1 study that was terminated before completion, run by Astellas Pharma. The registered enrollment target is 442 participants, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (637% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00870441, a Phase 1 study, was terminated before completion, sponsored by Astellas Pharma.

TERMINATED
Registry status
Phase 1
Development phase
442 participants
Enrollment target

Study Summary

The objective of the study is to compare the safety of ASP2151 to valacyclovir and placebo in healthy male and female adult volunteers.

Interventions

  • DRUG Placebo
  • DRUG Valacyclovir
  • DRUG ASP2151

Trial Details

FieldValue
Enrollment Target 442 participants
Start Date 2009-03
Est. Completion 2010-04
Phase Phase 1
Astellas Pharma

165 total trials

Why NCT00870441 stopped before completion

NCT00870441 is an interventional study that assigns participants to a tested intervention. The registered 442 participants enrollment target is mid-sized for trials with a published cap, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (637% higher).

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

NCT00870441 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00870441 about?

NCT00870441 is a clinical study titled "Study Comparing the Safety of ASP2151 to Valacyclovir and Placebo in Healthy Volunteers". The objective of the study is to compare the safety of ASP2151 to valacyclovir and placebo in healthy male and female adult volunteers.

What is the current status of trial NCT00870441?

This trial is currently terminated. It is a Phase 1 study. The enrollment target is 442 participants. The study started on 2009-03. Estimated completion is 2010-04.

What interventions are being tested in trial NCT00870441?

The interventions under investigation include: Placebo (DRUG), Valacyclovir (DRUG), ASP2151 (DRUG).

Who is sponsoring clinical trial NCT00870441?

This trial is sponsored by Astellas Pharma, which has 165 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00870441's enrollment target sits among peer trials

442 59th of 2000 higher than 1,940 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 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 NCT00870441, the US trial registry maintained by the National Library of Medicine. NCT00870441 (mid enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.