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RecruitingNCT06757257Updated Jan 3, 2025

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

An observational study in Chronic Idiopathic Thrombocytopenic Purpura, sponsored by Kissei Pharmaceutical Co., Ltd.. Recruiting at 1 site in Japan. Per ClinicalTrials.gov, last updated 2025-01-03.

Sponsored by Kissei Pharmaceutical Co., Ltd. · Observational

From the registry’s dates

  • Started May 2023; still recruiting 3 years 5 months later.
Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
149
Sex
All
01

Study summary

The purpose of this survey is evaluating the safety and efficacy of long-term administration of fostamatinib for Japanese patients with chronic idiopathic thrombocytopenic purpura under actual conditions of use.

Read the detailed description

The purpose of this survey is evaluating the safety and efficacy of long-term administration of fostamatinib for Japanese patients with chronic idiopathic thrombocytopenic purpura under actual conditions of use.

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Conditions studied

  • Chronic Idiopathic Thrombocytopenic Purpura
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In context

Purpura, Thrombocytopenic, Idiopathic

503 studies on the registry are indexed under Purpura, Thrombocytopenic, Idiopathic; 158 are open to participants now.

This study's planned enrollment of 149 is above the median of 122 across 99 observational studies indexed under Purpura, Thrombocytopenic, Idiopathic.

Browse Purpura, Thrombocytopenic, Idiopathic studies →

Lead sponsor

Kissei Pharmaceutical Co., Ltd. is the lead sponsor of 63 studies on the registry; 3 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

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

Eligibility criteria

Inclusion Criteria:

  • Patients with chronic idiopathic thrombocytopenic purpura who are treatment with fostamatinib for the first time.
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Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
149 participants (estimated)
Target follow-up
18 Months
Patient registry
Yes

Groups and cohorts

  • fostamatinib treatmented

    Drug: fostamatinib

Interventions

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What researchers measure

Primary outcomes

  1. Adverse events

    Time frame: 18 months

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Study locations

1 of 1 sites recruiting
  • Research site
    Tokyo And Japanese Other Cities, Japan
    Recruiting
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References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jan 3, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT06757257
Responsible party
Sponsor
First posted
Jan 3, 2025
Start date
May 29, 2023
Primary completion
Sep 30, 2028 (estimated)
Completion
Sep 30, 2028 (estimated)
Last update
Jan 3, 2025

Study contacts

Kazunori Abe, director
Contact
rinsyousiken@pharm.kissei.co.jp
0356843575

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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