About this trial
This is an exploratory study. A total of 16 patients meeting the inclusion and exclusion criteria and awaiting coronary artery bypass grafting (CABG) surgery will be enrolled. After providing informed consent, participants will be randomized 1:1 under double-blind conditions into two groups:
1. CABG + HiCM-188-loaded chitosan patch group (patch size: 2×4 cm; containing 5 million cells per patch) 2. CABG + blank chitosan patch group (identical in appearance but without HiCM-188 cells).
During CABG surgery, investigators will apply two HiCM-188-loaded chitosan patches onto the epicardial surface over regions of hypokinetic myocardium. The total transplanted cell dose per patient in the treatment group is 1 × 10⁷ . In the control group, eight patients will undergo identical surgical procedures with application of chitosan patches without HiCM-188 cells.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age between 18 and 80 years (inclusive).
Willingness and ability to give written informed consent.
Chronic left ventricular dysfunction classified as Stage D (refractory end-stage heart failure) according to ACC staging criteria.
NYHA functional class III-IV despite optimized guideline-directed medical therapy for heart failure.
Disqualifiers
History of permanent pacemaker, implantable cardioverter-defibrillator (ICD), or cardiac resynchronization therapy (CRT) device implantation.
Severe valvular heart disease or prior prosthetic valve replacement.
Prior percutaneous coronary intervention (PCI) with stent implantation.
Chronic atrial fibrillation.
Trial design
Parallel
Treatments tested in this trial
HiCM-188 Chitosan Patch
DrugPatients receive standard coronary artery bypass grafting (CABG) surgery plus epicardial application of two chitosan patches (each 2×4 cm in size, loaded with 5 million HiCM-188 cells), delivering a total dose of 1 × 10⁷ cardiomyocytes.
Blank Chitosan Patch
DrugPatients receive standard CABG surgery plus epicardial application of two identical-appearing chitosan patches containing no HiCM-188 cells
Treatment groups
Trial outcomes
Primary outcomes
Proportion and frequency of patients experiencing sustained ventricular tachycardia lasting more than 30 seconds
Incidence of allogeneic human-derived tumor formation
CT scan of the abdomen and pelvis
Secondary outcomes
Change in infarct size
Assessed by MRI
Change in regional left ventricular function
Assessed by MRI
Change in regional left ventricular wall thickness
Assessed by MRI
Change in left ventricular end-diastolic wall thickness
Assessed by both MRI and echocardiography
Sponsors and contacts
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HELP Therapeutics Co., Ltd.
Lead sponsor
Second Xiangya Hospital of Central South University
Collaborator
This trial is not recruiting at the moment. You can still explore other options: