FK506 Phase 3 Study: a Study for Steroid Non-resistant Myasthenia Gravis (MG) Patients

August 22, 2014 updated by: Astellas Pharma Inc

FK506 Phase 3 Study: a Double Blind Placebo Controlled Study for Steroid Non-Resistant Myasthenia Gravis Patients

The purpose of the study is to investigate the efficacy and safety for steroid non-resistant MG patients in a double blind, placebo controlled study.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

80

Phase

  • Phase 3

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

  • Japan
      • Chubu region, Japan
      • Chugoku region, Japan
      • Hokkaido region, Japan
      • Hokuriku region, Japan
      • Kansai region, Japan
      • Kanto region, Japan
      • Kyushu region, Japan
      • Shikoku region, Japan
      • Tohoku region, Japan

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

16 years to 64 years (ADULT, CHILD)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Clinically diagnosed as myasthenia gravis
  • Those whose MG symptoms are well-controlled by the treatment with prednisone
  • Steroid non-refractory Myasthenia Gravis: ≧20mg and ≦40mg / alternate day of steroid dose required to maintain

Exclusion Criteria:

  • Those who have thymoma or the history of thymoma (Masaoka stage III or IV)
  • Patients who received steroid pulse therapy, plasma exchange therapy, globulin therapy or radiation therapy within 12 weeks prior to the initiation of test drug
  • Patients who started the immunosuppressant therapy or increased the dose of immunosuppressant within 12 weeks prior to the initiation of test drug.
  • Patients who had undergone thymectomy within 24 weeks prior to the initiation of test drug.
  • Pancreatitis or diabetes
  • Serum creatinine≦1.5mg/dL

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
  • Masking: QUADRUPLE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
PLACEBO_COMPARATOR: 2
Drug: placebo
oral
EXPERIMENTAL: 1
Drug: tacrolimus
oral
Other Names:
  • Prograf
  • FK506

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Mean dose of steroid to maintain minimal manifestation(MM)[The dose of steroid should be decreased by the rate of 5mg/alternate day/ 4 weeks after the initiation of tacrolimus or placebo treatment as far as the MM state should be maintained.]
Time Frame: 6 Months
6 Months

Secondary Outcome Measures

Outcome Measure
Time Frame
Total amount of steroid therapy (mg)
Time Frame: 6 Months
6 Months
QMG score;MG-ADL
Time Frame: 6 Months
6 Months
Success rate of achievement to the targeted steroid dose
Time Frame: 6 Months
6 Months

Collaborators and Investigators

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

Sponsor

Astellas Pharma Inc

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Helpful Links

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

April 1, 2006

Primary Completion (ACTUAL)

June 1, 2008

Study Completion (ACTUAL)

June 1, 2008

Study Registration Dates

First Submitted

March 29, 2006

First Submitted That Met QC Criteria

March 29, 2006

First Posted (ESTIMATE)

March 31, 2006

Study Record Updates

Last Update Posted (ESTIMATE)

August 25, 2014

Last Update Submitted That Met QC Criteria

August 22, 2014

Last Verified

August 1, 2014

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • F506-CL-0601

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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