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 type | Observational |
|---|---|
| Sex | All |
| Enrollment | 149 (estimated) |
| Sponsor | Kissei Pharmaceutical Co., Ltd. Industry-sponsored |
| Drugs / interventions | fostamatinib |
| Locations | 1 site (Tokyo and Japanese Other Cities) |
| Status | Recruiting |
| Started | May 29, 2023 |
| Main results expected | September 30, 2028 |
| Study ends | September 30, 2028 |
| Registry record updated | January 3, 2025 |
| Trial ID | NCT06757257 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
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Research site
Tokyo and Japanese Other Cities, Japan Recruiting
Study contacts
- Study coordinator: Kazunori Abe, director
- Email: rinsyousiken@pharm.kissei.co.jp
- Phone: 0356843575
Similar studies
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.