Platelets >= 100 x 10^9/L Platelets >= 100 x 10^9/L Platelets >= 100 x 10^9/L Platelets >= 100 x 10^9/L, within 2 weeks of the first dose of study treatment Platelets >= 75 x 10^9/L Platelets >= 100 x 10^9/L Platelets >= 100 x 10^9/L Platelets >= 100 x 10^9/L Platelets (Plt) > 100 Platelets >= 100,000/microliters Platelets >= 100 x 10^9/L Platelets >= 100 x 10^9/L Platelets >= 100 x 10^9/L (transfusion dependent) Platelets >= 75 x 10^9/L Platelets >= 100,000 x 10^9 /L Platelets >= 75 x 10^9/L within 30 days of day 1 of study