Phase II Study of TRK-820 Soft Capsules - Intractable Pruritus in Patients With Chronic Liver Disease -

January 28, 2010 updated by: Toray Industries, Inc
The efficacy and safety of TRK-820 are to be evaluated in the treatment of intractable pruritus in patients with Chronic Liver Disease by administering 2.5, 5 and 10 microg of this drug or placebo for 28 days in four groups with a design of randomized, double-blind, parallel-group comparison. In addition, the plasma concentrations of TRK-820 and its primary metabolites are to be determined.

Study Overview

Study Type

Interventional

Enrollment (Anticipated)

120

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Chiba
      • Urayasu, Chiba, Japan, 279-8555
        • Toray Industries, Inc

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

20 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Chronic Liver Disease is present; and the patient's general condition is judged by the physician to be stable with no prospect of an abrupt change in pathophysiology.
  • It can be confirmed by either of the following that treatment of pruritus with antihistamines or antiallergics has not been adequately effective in such patients:

Exclusion Criteria:

  • Malignant tumors
  • Depression, integration dysfunction syndrome (schizophrenia), or dementia
  • Hepatic encephalopathy, or hepatic cirrhosis in which ascites or esophageal or gastric aneurysm cannot be controlled
  • Alcoholic liver disease
  • Atopic dermatitis, chronic urticaria, or other skin disease producing generalized pruritus that is judged by the physician to affect the assessment of pruritus associated with Chronic Liver Disease in this study
  • Allergy to opioid drugs
  • Drug dependence or alcohol dependence
  • Chronic renal failure

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: 1
TRK-820 2.5, 5 and 10 microg is to be administered orally once daily, after supper in principle, for 28 days.
Other Names:
  • REMITCH
Placebo Comparator: 2
Placebo is to be administered orally once daily, after supper in principle, for 28 days.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Change in VAS value (based on morning or evening scores, whichever larger, during the treatment period [4th week])
Time Frame: 4 weeks
4 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

March 1, 2008

Primary Completion (Actual)

December 1, 2009

Study Completion (Actual)

December 1, 2009

Study Registration Dates

First Submitted

March 12, 2008

First Submitted That Met QC Criteria

March 18, 2008

First Posted (Estimate)

March 19, 2008

Study Record Updates

Last Update Posted (Estimate)

February 1, 2010

Last Update Submitted That Met QC Criteria

January 28, 2010

Last Verified

January 1, 2010

More Information

Terms related to this study

Other Study ID Numbers

  • 820HPC01

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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