Abstract: Results of PCP are well known in lupus nephritis. We present here it's outcome in patients with early stage of WH0 type IV lupus nephritis. The criteria for selection was a serum creatinine inferior to 1.3 mg/ 100 ml and a minimum follow up time of 18 months. 35 patients fulfilled the selection criteria. proteinuria, hematuria, leucocyturia, cast, BUN, creatinine, and blood pressure were measured before PCP and after each one. ...