Zhou 2009b.

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 (42); control group (39) Age range: treatment group (16‐58 years); control group (19‐61 years) Sex (M/F): treatment group (24/18); control group (20/19) Exclusions: secondary nephrotic syndrome
Interventions	Treatment group Huangqi intravenous injection Dose: 60 mL Drugs the control group received Control group Prednisone Dose: 1 mg/kg/d
Outcomes	Blood urea Blood creatinine Plasma protein Plasma albumin 24 h urine protein
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