Survey on long-term use of fostamatinib for chronic idiopathic thrombocytopenic purpura

Special Drug Use-results Survey for Long-term Use (Fostamatinib)

Observational Kissei Pharmaceutical Co., Ltd. · NCT06757257

This study is looking to see how well and safely fostamatinib works for Japanese patients with chronic idiopathic thrombocytopenic purpura who are using it for the first time.

Quick facts

Study typeObservational
Enrollment149 (estimated)
SexAll
SponsorKissei Pharmaceutical Co., Ltd. Industry-sponsored
Drugs / interventionsfostamatinib
Locations1 site (Tokyo and Japanese Other Cities)
Trial IDNCT06757257 on ClinicalTrials.gov

What this trial studies

This survey evaluates the safety and efficacy of fostamatinib in Japanese patients diagnosed with chronic idiopathic thrombocytopenic purpura who are using the medication for the first time. The study is observational, meaning it will gather data on patients' experiences and outcomes under real-world conditions rather than in a controlled experimental setting. The focus is on understanding how well the drug works and its safety profile over an extended period.

Who should consider this trial

Good fit: Ideal candidates for this survey are Japanese patients who have been diagnosed with chronic idiopathic thrombocytopenic purpura and are starting treatment with fostamatinib for the first time.

Not a fit: Patients who have previously used fostamatinib or those with other forms of thrombocytopenia may not benefit from this survey.

Why it matters

Potential benefit: If successful, this survey could provide valuable insights into the long-term safety and effectiveness of fostamatinib, potentially improving treatment strategies for patients with chronic idiopathic thrombocytopenic purpura.

How similar studies have performed: While this approach is observational and focuses on long-term use, similar studies evaluating the safety and efficacy of treatments in real-world settings have shown promising results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with chronic idiopathic thrombocytopenic purpura who are treatment with fostamatinib for the first time.

Where this trial is running

Tokyo and Japanese Other Cities

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Chronic Idiopathic Thrombocytopenic Purpura
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.