| Study period | ||||||
---|---|---|---|---|---|---|---|
 | Enrolment | Allocation | Post-allocation (days) |  | Close-out 90d+ | ||
Time point | - -T0d | -T0d | T0d | T30d | T60d | T90d | Â |
Enrolment | |||||||
 Patients with early RA | X |  |  |  |  |  |  |
 RF | X |  |  |  |  |  |  |
 Diagnosis and investigation of the distribution of TCM syndrome types | X |  |  |  |  |  |  |
 Informed consent | X |  |  |  |  |  |  |
  General information | X |  |  |  |  |  |  |
  General physical examination | X |  |  |  |  |  |  |
 Allocation |  | X |  |  |  |  |  |
Interventions | |||||||
 Western medicine as well as TCM placebo combined group |  |  | X | X | X | X |  |
 Western medicine as well as TCM combined group |  |  | X | X | X | X |  |
Assessments | |||||||
 Blood routine |  |  | X | X | X | X |  |
 Urine routines |  |  | X |  |  | X |  |
 Hepatic and renal function (ALT, AST, AKP, eGFR, Scr, BUN) |  |  | X | X | X | X |  |
 TCM symptoms |  |  | X | X | X | X |  |
 ESR, CRP |  |  | X | X | X | X |  |
 DAS28, VAS |  |  | X | X | X | X |  |
 US7 |  |  | X |  |  | X |  |
 sCD14, MMP3, TIMP1 |  |  | X |  |  | X |  |
 Adverse events |  |  | X | X | X | X |  |