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A Phase 3 Open Label Extension Study of Fostamatinib Disodium in the Treatment of Warm Antibody Autoimmune Hemolytic Anemia

A Phase 3 Open Label Extension Study of Fostamatinib Disodium in the Treatment of Warm Antibody Autoimmune Hemolytic Anemia

Status
Enrolling by invitation
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04138927
Enrollment
90
Registered
2019-10-25
Start date
2019-10-30
Completion date
2024-04-30
Last updated
2022-03-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Warm Antibody Autoimmune Hemolytic Anemia

Keywords

wAIHA, Warm Antibody Autoimmune Hemolytic Anemia, Warm Autoimmune Hemolytic Anemia

Brief summary

The primary objective of this study is: • To evaluate the long-term safety of fostamatinib in subjects with warm antibody autoimmune hemolytic anemia (wAIHA).

Interventions

Fostamatinib is supplied in two (2) dosage strengths: 100 mg and 150 mg.

Sponsors

Rigel Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 100 Years
Healthy volunteers
No

Inclusion criteria

1. Subject must be willing and able to give written informed consent by signing an IRB approved Informed Consent Form prior to undergoing any study-specific procedures. 2. Subject must have completed all 24 weeks of participation in the study C-935788-057.

Exclusion criteria

1\. Any subject who discontinued participation in Study C-935788-057 prior to Week 24.

Design outcomes

Primary

MeasureTime frameDescription
Adverse Events104 weeksIncidence, frequency, seriousness, and severity of adverse events that occurred during the current study
Blood Pressure104 weeksChange from baseline in blood pressure over time
Absolute Neutrophil Count (ANC)104 weeksChange from baseline in absolute neutrophil count (ANC) over time

Secondary

MeasureTime frameDescription
Achievement of Durable Hemoglobin Response24 weeks
Total Duration of ResponseDuring the Intervention period up to 104 weeks
Corticosteroid doseDuring the Intervention period up to 104 weeksNet cumulative change from Baseline in corticosteroid dose

Countries

Australia, Austria, Belarus, Belgium, Bulgaria, Czechia, France, Georgia, Germany, Italy, Netherlands, Norway, Russia, Serbia, Spain, Ukraine, United Kingdom, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026