Clinical trial Recruiting at 1 site Observational

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

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

Run by Kissei Pharmaceutical Co., Ltd. · NCT06757257 · Data updated 2026-11-12

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
SexAll
Enrollment149 (estimated)
SponsorKissei Pharmaceutical Co., Ltd.
Industry-sponsored
Drugs / interventionsfostamatinib
Locations1 site (Tokyo and Japanese Other Cities)
StatusRecruiting
StartedMay 29, 2023
Main results expectedSeptember 30, 2028
Study endsSeptember 30, 2028
Registry record updatedJanuary 3, 2025
Trial IDNCT06757257 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a 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.

Probably not a fit

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

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

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.

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 gone: 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.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

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

Where it's running

  • Research site
    Tokyo and Japanese Other Cities, Japan
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.