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Study details
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Study to Evaluate the Safety and Tolerability of Escalating Doses of Fostamatinib in Subjects With Stable Sickle Cell Disease

National Heart, Lung, and Blood Institute (NHLBI)
NCT IDNCT05904093ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

25

Study length

about 1.4 years

Ages

18–65

Locations

1 site in MD

What this study is about

This trial is testing a treatment called fostamatinib in people with stable sickle cell disease. The goal is to see if this drug is safe and well-tolerated at different doses. Participants will take the drug twice daily for up to 6 weeks, and their health will be monitored through regular clinic visits.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Take Fostamatinib

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Oral

How treatment is administered

Treatment Assignment
All receive treatment

Everyone gets the investigational treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Drug classes

fostamatinib

Drug routes

oral (Oral Tablet)

Endpoints

Primary: The number of type, incidence, severity and relationship to study treatment of adverse events and serious adverse events

Secondary: Number of participants that discontinued fostamatinib due to adverse events following CTCAE.