Research Article

A Single-Central, Randomized, Double-Blinded, Placebo-Controlled, Crossover Trial Protocol: A Clinical Effect Evaluation Study on the TCM Comprehensive Intervention Program for Chronic Heart Failure

Table1

Schedule of intervention and assessments.

Study Period
EnrolmentAllocationAfter allocation
Intervention phase 1WashoutIntervention phase 2Follow-up
Time pointWk 1Wk 0Wk 1Wk 2Wk 3Wk 4Wk 5Wk 6Wk 7Wk 8Wk 9Wk 106 mo12 mo

Enrolment
 Eligibility screen×
 Informed consent×
 Randomization×
Interventions
 Group A
 Group B
AssessmentsPrimary outcome
 NYHA classification××××
Secondary outcomes
 Echocardiogram××××
 NT-proBNP××××
 CHFQLS××××
 TCM syndrome score××××
 Symptom score××××
 Sign score××××
 6MWT××××
 PSQI××××
 MoCA××××
 MACEs××××××
 Metabolomics××
Safety outcomes
 Liver and kidney function××××
 ARs×××

Schedule of enrollment, intervention, and assessment for the MIRACLE trial was according to the Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) [21]. Wk, week; mo, month.