Study Evaluating the Efficacy and Safety of Triptergium Wilfordii and Acitretin in Psoriasis Vulgaris - CHINA201002016-2

Exclusion Criteria

• •Currently have erythrodermic,guttate or pustular psoriasis.
• •Have any active dermatoses which may affect disease assessment of psoriasis.
• •Have used any investigational drug,any biologic or any systemic immunosuppressants within the previous 1 month..
• •Have used topical medications/treatments that could affect psoriasis or PASI evaluation (eg, corticosteroids, tar, phototherapy et al.) within 2 weeks.
• •Have any acute or chronic or recurrent infectious disease,which was difficult to control.
• •Have the history of HBV or HCV infection,or HIV antibody test positive.
• •AST, ALT or blood fat levels must be within 1.5 times the ULN range for the laboratory conducting the test.
• •Are pregnant, nursing, or planning pregnancy in the coming two years(both men and women) while enrolled in the study.
• •Have any severe systemic disease or have a history of malignancy.
• •Have shown a previous hypersensitivity to Triptergium wilfordii or Acitretin.
• •Have any other condition not suitable to join in trial,which are judged by investigator.