Observational Study of Fostamatinib as Second Line Therapy in Adult Patients With Immune Thrombocytopenia (ITP) and Insufficient Response to a Prior Therapy
Purpose
Evaluate patient characteristics, treatment patterns, clinical outcomes and safety of fostamatinib as second-line therapy in real-world clinical practice, for the treatment of ITP in adult patients who have an insufficient response to prior therapy (steroids ± immunoglobulins).
Conditions
- ITP
- Immune Thrombocytopenia
Eligibility
- Eligible Ages
- Between 18 Years and 100 Years
- Eligible Genders
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- Willing and able to provide written informed consent 2. Diagnosis of ITP in adult patients (≥ 18 years of age) with an insufficient response to steroids ± immunoglobulins and requiring a change in therapy 3. For Cohort 1, intent to initiate fostamatinib at enrollment as change in therapy 4. For Cohort 2, currently undergoing treatment with fostamatinib as second line therapy for at least 12 weeks, with the intent to continue, at the time of enrollment
Exclusion Criteria
- Any prior ITP therapy/treatment other than steroids ± immunoglobulins (e.g. rituximab, thrombopoietin receptor agonists (TPO), splenectomy) 2. Participation in any interventional study during the course of this study 3. Lack of historical platelet counts, at time of fostamatinib initiation for those entering Cohort 2 4. Pregnant and/or nursing
Study Design
- Phase
- Study Type
- Observational
- Observational Model
- Cohort
- Time Perspective
- Prospective
Arm Groups
Arm | Description | Assigned Intervention |
---|---|---|
Initiating treatment with fostamatinib as second-line therapy |
|
|
Treated with fostamatinib for at least 12 weeks as second-line therapy |
|
More Details
- Status
- Terminated
- Sponsor
- Rigel Pharmaceuticals
Study Contact
Detailed Description
Evaluate patient characteristics, treatment patterns, clinical outcomes and safety of fostamatinib as second-line therapy in real-world clinical practice, for the treatment of ITP in adult patients who have an insufficient response to prior therapy (steroids ± immunoglobulins).