<qa>  What is the loading dose of oral perifosine?Patients receive a loading dose of oral perifosine on days 1 and 2 and once daily on days 3-21 during course 1. Patients receive oral perifosine once daily on days 1-21 in each subsequent course. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients achieving a complete response CR may receive 2 additional courses beyond the CR. 