Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 2 Interventional Results available

Chronic Hepatitis C Virus Related Thrombocytopenia to Evaluate the Effects of E5501

ClinicalTrials.gov ID: NCT01355289

Public ClinicalTrials.gov record NCT01355289. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 24, 2026, 6:14 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase II, Randomized, Multicenter, Placebo-Controlled, Double-Blind, Parallel-Group Study, With an Open-Label Extension, to Evaluate the Efficacy, Safety, and Pharmacokinetics of E5501 in Subjects With Chronic Hepatitis C Virus Related Thrombocytopenia Who Are Potential Candidates for Antiviral Treatment

Study identification

NCT ID
NCT01355289
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Eisai Inc.
Industry
Enrollment
65 participants

Conditions and interventions

Interventions

  • Avatrombopag Drug
  • Placebo Drug
  • Pegylated interferon (PEG-IFN) Drug
  • Telaprevir Drug
  • Ribavirin Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 31, 2011
Primary completion
Jan 31, 2014
Completion
Apr 30, 2014
Last update posted
Feb 21, 2018

2011 – 2014

United States locations

U.S. sites
2
U.S. states
2
U.S. cities
2
Facility City State ZIP Site status
Health Care Consultants Los Angeles California
Metropolitan Research Fairfax Virginia 22031

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01355289, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 21, 2018 · Synced Jul 24, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01355289 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →