| Methods | Parallel randomised controlled trial |
| Participants | SETTING: Hospital outpatients and patients recruited from general company check-up, Huabei Petroleum Two Hospital, Hebei, China |
| WHO PARTCIPATED: n=76 (40 in the intervention group M/F 31/19, mean age 44.2yrs; 36 in the control M/F 23/13, mean age 43.9yrs) | |
| INCLUSION CRITERIA: IGT (ADA 1997): FBG <7.0 and 2hr-GTT (75g) ≥7.8 <11.1 | |
| EXCLUSION CRITERIA: <20yrs <65yrs; IGT induced by other disorders, drugs or stress, pregnancy, serious liver, kidney or heart disorders. | |
| CO-MORBIDITIES: none reported | |
| CO-MEDICATIONS: none reported | |
| Interventions | INTERVENTION: Tang Kang Yin decoction (ren shen 6g, huang lian 10g, nu zhen zi 15g, xia ku cao 30g, fan shi liu ye 30g) oral, 200ml, 2x/day, plus lifestyle modification (diet & exercise) |
| CONTROL: lifestyle modification (diet & lifestyle) | |
| Outcomes | Fasting blood glucose (mmol/L), 2hr-GTT (mmol/L), insulin (ng/ml), triglycerides (mmol/L), total cholesterol (mmol/L), BMI, normalisation of fasting bloood glucose (n), incidence of diabetes (n) |
| All outcomes were assessed at baseline and trial completion (30 days). | |
| Study details | DURATION OF INTERVENTION: 30 days |
| DURATION OF FOLLOW-UP: 30 days | |
| RUN-IN PERIOD: none | |
| Publication details | LANGUAGE OF PUBLICATION: Chinese |
| COMMERCIAL FUNDING: no | |
| NON-COMMERCIAL FUNDING: no | |
| PUBLICATION STATUS (PEER REVIEW JOURNAL): no | |
| PUBLICATION STATUS (JOURNAL SUPPLEMENT): no | |
| PUBLICATION STATUS (ABSTRACT): yes | |
| Stated aim of study | Quote “To observe the clinical effect of intervention of Tangganyin decoction on patients with Impaired glucose tolerance ( IGT) .” |
| Notes | |
Risk of bias table