Pathologically verified peripheral T-cell lymphoma, partial response or stable disease after 3 cycles of CEOP (cyclophosphamide, epirubicin or doxorubicin, vincristine and prednisone) or CEOP(cyclophosphamide,vincristin,epirubicin and prednisone)/IVE (ifosfamide, epirubicin, etoposide)/GDP(Gemcitabine, Cis-platinum, Dexamethasone)
Age ≧16 years, ≦75 years
ECOG (Eastern Cooperative Oncology Group) =0,1,2
No previous history of malignancy
Radiologically measurable disease
Life expectancy\>6 months
Informed consented
You may not be if
Active infectious disease requiring general antibiotics, anti-fungal or anti-virus therapy
Lab at enrollment(unless caused by lymphoma)
* Neutrophile\<1.5\*10\^9/L
* Platelet\<75\*10\^9/L
* Hemoglobulin\<90g/L
* ALT(alanine aminotransferase) or AST (aspartate aminotransferase ) \>2\*ULN,AKP(alkaline phosphatase) or bilirubin \>1.5\*ULN (upper limit of normal )
* Creatinine\>1.5\*ULN
Other uncontrollable medical condition that may that may interfere the participation of the study
* Not able to comply to the protocol for mental or other unknown reasons
