Safety Study of AMG 531 in Japanese Subjects With ITP

July 3, 2024 updated by: Kyowa Kirin Co., Ltd.

An Open Label Phase 2 Study Evaluating the Safety of Starting Dose of AMG 531 in Thrombocytopenic Japanese Subjects With Immune (Idiopathic) Thrombocytopenic Purpura

The purpose of the study is to evaluate the efficacy of starting dose of AMG 531 as measured by platelet counts by cohort dose-escalation design.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The purpose of the study is to evaluate the efficacy of starting dose of AMG 531 as measured by platelet counts by cohort dose-escalation design.

Study Type

Interventional

Enrollment (Actual)

12

Phase

  • Phase 2

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

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria: - Japanese patients with diagnosis of ITP according to the diagnostic criteria proposed by Research Committee for Idiopathic Hematopoietic Disorders of the Ministry of health, labor and welfare Exclusion Criteria: - Documented diagnosis of arterial thrombosis in the previous year; history of venous thrombosis and receiving anticoagulation therapy

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: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: romiplostim (AMG-531)
Drug: Romiplostim (AMG-531)
Romiplostim (AMG-531)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Incidence of all adverse events including evaluation of antibody status
Time Frame: 1 year
1 year

Secondary Outcome Measures

Outcome Measure
Time Frame
Proportion of subjects who achieve a platelet response
Time Frame: 2 weeks
2 weeks

Collaborators and Investigators

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

Sponsor

Kyowa Kirin Co., Ltd.

Investigators

  • Study Director: MD, Amgen

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

February 1, 2006

Primary Completion (Actual)

November 1, 2006

Study Completion (Actual)

November 1, 2006

Study Registration Dates

First Submitted

March 20, 2006

First Submitted That Met QC Criteria

March 20, 2006

First Posted (Estimated)

March 22, 2006

Study Record Updates

Last Update Posted (Actual)

July 5, 2024

Last Update Submitted That Met QC Criteria

July 3, 2024

Last Verified

July 1, 2024

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 20050162

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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