Clinical Study

Mobilization of Stem Cells Using G-CSF for Acute Ischemic Stroke: A Randomized Controlled, Pilot Study

Table 1

Summary of published studies of G-CSF therapy in stroke patients.

Author (year)Trial design/phaseG-CSF regimenTime after strokePatients (intervention/control)Comments

Floel et al. (2011)Randomized controlled trial10 μg/kg s/c for 10 days4 months after21 Intervention 20 PlaceboFeasibility and safe and reasonable tolerable in chronic stroke patients
Schäbitz et al. (2010)Randomized, placebo-controlled30 μg/kg,
90 μg/kg,
135 μg/kg,
180 μg/kg
Within 12 hours14/ Placebo
8/30 μg/kg
7/90 μg/kg
8/135 μg/kg
7/180 μg/kg
Well tolerated even in higher doses and Treatment effect in patients with higher volume of lesion size (˃14–17 cm3) at baseline
Shyu et al. (2006)Single blind controlled/pilot15 μg/kg/day s/c for 5 daysWithin 7 days7 Intervention
15 μg/kg/day s/c
for 5 days 3 Control
No thrombotic complications, and improved outcome in G-CSF group
NIHSS 59% in G-CSF group, 36% in controls group BI 120% in G-CSF group, and 60% in controls group
Sprigg et al. (2006)Double-blind placebo-controlled/pilotDose escalation 1–10 μg/kg s/c for 1 or 5 days7–30 days12/Placebo
4/1 μg/kg (single dose)
4/3 μg/kg (single dose)
4/10 μg/kg (single dose)
4/1 μg/kg (five dose)
4/3 μg/kg (five dose)
4/10 μg/kg (five dose)
No difference in SAEs although non significant increase in infection rates in active group
Significant increase in CD-34+ with 10 μg/kg (five dose) at day five
Zhang (2006)Double-blind placebo-controlled/pilot2  μg/kg/day s/c for 5 daysWithin 7 days15  Intervention 30  ControlNo difference in adverse events reported and significant reduction in NIHSS