| Methods | Parallel randomised controlled trial |
| Participants | SETTING: inpatients and outpatients at Huaian County Hospital |
| WHO PARTCIPATED: n=60 (30 in treatment group, M/F 21/9, mean age 48yrs and 30 in control group, M/F 17/13, mean age 49yrs) | |
| INCLUSION CRITERIA: IGT (ADA 1997) | |
| EXCLUSION CRITERIA: none reported | |
| CO-MORBIDITIES: none reported | |
| CO-MEDICATIONS: none reported | |
| Interventions | INTERVENTION: Tang ping san (Huang Qi 30g, Shan Yao 10g, Sheng Di Huang 10g, Shu Di Huang 10g, Gou Qi Zi 10g, He Shou Wu 10g, Xian Ling Pi 10g, Dan Shen 30g, Ze Xie 10g, Sang Ye 10g), oral, decoction, once per day (b.i.d), plus lifestyle modification (diet & lifestyle advice) |
| CONTROL: Metformin, oral, 0.25g per dose, three times a day (t.i.d), plus lifestyle modification (diet & lifestyle advice) | |
| Outcomes | 2hr-GTT (mmol/L) measured at baseline, at trial completion (3 months) and at follow- up (6 months) |
| Study details | DURATION OF INTERVENTION: 12 weeks |
| DURATION OF FOLLOW-UP: 3 months | |
| RUN-IN PERIOD: none | |
| Publication details | LANGUAGE OF PUBLICATION: Chinese |
| COMMERCIAL FUNDING: No | |
| NON-COMMERCIAL FUNDING: Yes (Scientific research funding by Municipal Government). | |
| PUBLICATION STATUS (PEER REVIEW JOURNAL): Yes | |
| PUBLICATION STATUS (JOURNAL SUPPLEMENT): no | |
| PUBLICATION STATUS (ABSTRACT): no | |
| Stated aim of study | Quote “to observe the treatment of impaired glucose with Tangping san”. |
| Notes | |
Risk of bias table