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Efficacy of Eltrombopag to Improve Thrombocytopenia of MYH9-related Disease

NCT01133860 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 12

Last updated 2011-07-26

Study results available
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Summary

The term MYH9-related disease (MYH9RD) includes four genetic disorders: May-Hegglin anomaly, Sebastian syndrome, Fechtner syndrome, and Epstein syndrome. All these disorders derive from mutation of a unique gene, named MYH9, and they have been recognized as different clinical presentations of a single illness that was named MYH9RD. All patients affected by MYH9RD present since birth with thrombocytopenia, which can result in a variable degree of bleeding diathesis; some of them subsequently develop additional clinical manifestations, such as renal damage, sensorineural hearing loss, and/or presenile cataracts. Eltrombopag is an oral thrombopoietin receptor agonist that stimulates proliferation and differentiation of megakaryocytes, the bone marrow cells that produce blood platelets. This drug is effective in increasing platelet count in healthy volunteers, as well as in patients affected by some acquired thrombocytopenias, such as idiopathic thrombocytopenic purpura and HCV related thrombocytopenia. The purpose of this study is to determine if eltrombopag, administered orally at the dose of 50 or 75 mg/daily for up to 6 weeks, is effective in increasing platelet count of patients affected by MYH9RD. Further aims of this study are to test if eltrombopag is effective in reducing bleeding tendency of MYH9RD patients; to evaluate safety and tolerability of eltrombopag in patients with MYH9RD; to evaluate in vitro function of platelets produced during therapy in patients responding to this drug.

Conditions

  • Blood Platelet Disorders

Interventions

DRUG

eltrombopag

Eltrombopag, administered orally, 50 mg/daily for 21 days. Patients with platelet counts between 100 and 150x10e9/L at day 21 will continue eltrombopag 50 mg/daily for 21 additional days. Patients with platelet count lower than 100x10e9/L at day 21 will receive eltrombopag 75 mg/daily for additional 21 days. Patients with more than 150x10e9 platelets/L at day 21 will stop therapy.

Sponsors & Collaborators

  • University of Pavia

    collaborator OTHER

  • GlaxoSmithKline

    collaborator INDUSTRY

  • Azienda Ospedaliera di Padova

    collaborator OTHER

  • Azienda Ospedaliera di Perugia

    collaborator OTHER

  • Fondazione Telethon

    collaborator OTHER

  • Fondazione IRCCS Policlinico San Matteo di Pavia

    lead OTHER

Principal Investigators

  • Carlo Balduini, MD · IRCCS Policlinico San Matteo Foundation, Pavia, Italy

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
16 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2009-01-31
Primary Completion
2010-06-30
Completion
2010-06-30

Countries

  • Italy

Study Locations

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Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01133860 on ClinicalTrials.gov