<qa>  What is the name of the course that is evaluated every 21 or 42 days?Patients receive bortezomib IV on days 1, 4, 8, and 11 or days 1, 8, 15, 22, and 29 and oral celecoxib twice daily on days 1-21 or 1-42. Courses repeat every 21 or 42 days in the absence of disease progression or unacceptable toxicity. Patients are evaluated every 2 courses. Patients achieving complete response CR receive 2 additional courses of therapy beyond CR. 