Coronary disease & ACSRandomised controlled trial

Traditional Chinese Medicine Compound (Tongxinluo) and Clinical Outcomes of Patients With Acute Myocardial Infarction

JAMAPublished

  • Randomised controlled trial
  • double-blind
  • placebo-controlled
  • 124 hospitals in China

Authors' conclusion

In patients with STEMI, the Chinese patent medicine Tongxinluo, as an adjunctive therapy in addition to STEMI guideline-directed treatments, significantly improved both 30-day and 1-year clinical outcomes.

Study context

Population
Patients with STEMI within 24 hours of symptom onset, China, 2019–20203,777 in primary analysis
Participants
3,797 patients
Comparison
Tongxinluo vs placebo, added to STEMI guideline-directed treatment
  • Tongxinluon = 1,889
  • Placebon = 1,888reference
Primary endpoint
MACCE:
  • Cardiac death
  • Myocardial reinfarction
  • Emergent coronary revascularization
  • Stroke
Follow-up
30 days

Primary result

As reported in the abstract

Each group vs placeboRelative risk (95% CI)
Tongxinluo
0.64(0.47–0.88)
Each group vs placeboRisk difference (95% CI)
Tongxinluo
−1.8%(−3.2% to −0.6%)

Secondary outcomes

OutcomeTongxinluoPlaceboEstimate
Cardiac death · 30 days3.0%4.2%RR 0.70 (95% CI 0.50–0.99)
MACCE · 1 year5.3%8.3%HR 0.64 (95% CI 0.49–0.82)
Cardiac death · 1 year4.5%6.1%HR 0.73 (95% CI 0.55–0.97)
Outcomerisk difference (95% CI)
Cardiac death · 30 days−1.2% (−2.5% to −0.1%)
MACCE · 1 year−3.0% (−4.6% to −1.4%)
Cardiac death · 1 year−1.6% (−3.1% to −0.2%)

30-day stroke, 1-year all-cause mortality

No significant differences

Safety

Adverse drug reactions (mainly gastrointestinal symptoms)

P = 0.02

Major bleeding (30 days, 1 year); in-stent thrombosis (<24 hours; 1-30 days; 1-12 months)

No significant differences

Original publication

Traditional Chinese Medicine Compound (Tongxinluo) and Clinical Outcomes of Patients With Acute Myocardial Infarction. JAMA. Published 24 October 2023. doi:10.1001/jama.2023.19524

Summarised from the published abstract; every number is checked against it