Study period Item | Enrolment and Baseline | Intervention Period (8Â weeks, one time per 4Â weeks) | Follow-up phase | |||
---|---|---|---|---|---|---|
Week | -2 to 0 | 1 to 3 | 4 | 5 to 7 | 8 | 12 |
Enrolment | ||||||
 Inclusion criteria |  ×  |  |  |  |  |  |
 Exclusion criteria |  ×  |  |  |  |  |  |
 Informed consent |  ×  |  |  |  |  |  |
Intervention | ||||||
 TSYZ acupuncture group |  |  ×  |  ×  |  ×  |  ×  |  |
 Sham acupuncture group |  |  ×  |  ×  |  ×  |  ×  |  |
 Blank control group |  |  |  |  |  |  |
Outcome measurement | ||||||
 GDS |  ×  |  |  |  |  |  |
 BDI |  ×  |  |  |  |  |  |
 MoCA |  ×  |  |  ×  |  |  ×  |  ×  |
 AVLT |  ×  |  |  ×  |  |  ×  |  ×  |
 TMT |  ×  |  |  ×  |  |  ×  |  ×  |
 DSST |  ×  |  |  ×  |  |  ×  |  ×  |
 SF-36 |  ×  |  |  ×  |  |  ×  |  ×  |
 fMRI scan |  ×  |  |  |  |  ×  |  |
 EEG |  ×  |  |  |  |  ×  |  |
Safety | ||||||
 Adverse events |  |  ×  |  ×  |  ×  |  ×  |  ×  |
 Reasons for dropout and withdrawals |  |  ×  |  ×  |  ×  |  ×  |  |