Heart failure & cardiomyopathiesRandomised controlled trial

Cardio-Microcurrent Device Treatment for Heart Failure with Reduced Ejection Fraction: Results from the C-MIC II Open-Label Randomized Controlled Trial

Eur J Heart FailPublished

  • Randomised controlled trial
  • open-label

Authors' conclusion

In patients with non-ischaemic chronic heart failure with reduced ejection fraction, the C-MIC device compared with control improved LVEF, symptoms, functional capacity and quality of life.

Study context

Population
Ambulatory patients with non-ischaemic dilated cardiomyopathy, left ventricular ejection fraction (LVEF) 25% to 35%, New York Heart Association (NYHA) class III–IV65 in modified ITT analysis
Participants
70 patients
Comparison
C-MIC vs Control
  • C-MICn = 32
  • Controln = 33reference
Primary endpoint
Change in LVEF
Follow-up
6 months

Primary result

As reported in the abstract

Mean difference

5.1 %

95% CI 3.1–7.1

P < 0.001

C-MIC vs Control
mean difference 5.1 % (95% CI 3.1–7.1); P < 0.001

Secondary outcomes

Outcomerisk difference (%) (95% CI)P value
Improvement in ≥1 NYHA class68.9 (50.6–87.2)P < 0.001
Increase of ≥5 points in KCCQ-OSS60.0 (42.3–77.6)P < 0.001
Increase of ≥30% in 6MWD38.3 (14.4–62.2)P < 0.002

Original publication

Cardio-Microcurrent Device Treatment for Heart Failure with Reduced Ejection Fraction: Results from the C-MIC II Open-Label Randomized Controlled Trial. Eur J Heart Fail. Published 15 July 2025. doi:10.1002/ejhf.3763

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