R-CHOP
Rituximab  375 mg/m2 iv d0
Cyclophophamide  750 mg/m2 iv d1
Doxorubicin 50 mg/m2 iv d1
Vincristine 1.4 mg/m2 ( max 2 mg ) iv d1
Prednisone 100 mg po qd d1-5
Q3w x 6 cycles

R-FCM
Rituximab  375 mg/m2 iv d0
Fludarabine 25 mg/m2 iv over 30 min qd d1-3
Cyclophosphamide  200 mg/m2 iv over 4 hrs qd d1-3
Mitoxantrone 8 mg/m2 iv over 30 min d1
Q4w x 4 cycles

R-FCM + maintenance R
R-FCM as above, followed by Rituximab (Rituxan) 375 mg/m2 iv qw x 4 doses at 3 and 9 months
 
Bortezomib
Bortezomib 1.3-1.5 mg/m2 iv d1, 4, 8 and 11
Q3w

R-GemOx
Rituximab  375 mg/m2 iv d1
Gemcitabine  1000 mg/m2 (in 500 ml normal saline) iv d1
Oxaliplatin  100 mg/m2 iv over 2 hrs d1
Q2-3w x 8 cycles

Rituximab + Thalidomide
Rituximab 375 mg/m2 iv qw x 4
Thalidomide  200 mg po qd x 2 weeks, then 400 mg po qd until disease progression

Rituximab + Lenalidomide
Rituximab 375 mg/m2 iv qw x 4
Lenalidomide  20 mg po qd d1-21 q4w until disease progression

Temsirolimus

Regimen 1
Temsirolimus  250 mg iv over 30 min qw for a total of 12 months or 2 months after CR
Premedication Diphenhydramine 25-50 mg iv

Regimen 2
Temsirolimus  25 mg iv qw for a total of 12 months or 2 months after CR
Premedication Diphenhydramine  25-50 mg iv
 
Regimen 3
Temsirolimus 175 mg iv qw x 3, followed by 75 mg iv qw
Premedication Diphenhydramine 25-50 mg iv