Zhao 1999b.

Methods	Randomisation mentioned, but not described in detail.
Participants	Country: China Primary nephrotic syndrome (urinary protein > 3.5 g/24 h, plasma albumin < 30 g/dL, oedema and hypercholesterolaemia) Number: treatment group (20); control group (20) Age range: treatment group (15‐50 years); control group (16‐48 years) Sex (M/F): treatment group (12/8); control group (13/7) Exclusions: secondary nephrotic syndrome
Interventions	Treatment group Huangqi intravenous injection Dose: 20 mL Drugs the control group received Control group Prednisone Dose: 1.0 mg/kg/d When prednisone was inefficacy or partial efficacy, CTX 0.2 g was used
Outcomes	Plasma albumin Plasma protein Effective rate
Notes	Baseline declining kidney function: NS Remission: NS Pathology: NS Relapse: NS Time to relapse: NS Mean follow‐up: NS Dosage: NS Prepare method: NS Source of funding: none