ECP therapy for patients with stable angina waiting for CABG

Effectiveness of External Counter Pulsation (ECP) Therapy in Stable Angina Pectoris Patients; a Proof of Principal Clinical Trial

Not applicable Interventional Universitas Padjadjaran · NCT04873687

This study is testing if adding External Counterpulsation therapy can help people with stable angina feel better while they wait for heart surgery.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment84 (estimated)
Ages18 Years and up
SexAll
SponsorUniversitas Padjadjaran Academic / other
Locations1 site (Bandung, West Java)
Trial IDNCT04873687 on ClinicalTrials.gov

What this trial studies

This clinical trial evaluates the effectiveness of External Counterpulsation (ECP) therapy in patients with stable angina pectoris who are on a waiting list for coronary artery bypass grafting (CABG). The study aims to determine if adding ECP therapy to optimal medical treatment can relieve symptoms and improve quality of life during the waiting period. Participants will be randomized into two groups: one receiving ECP therapy and the other receiving standard medical therapy alone. The efficacy will be assessed through echocardiographic measurements, treadmill tests, and clinical outcomes before and after the intervention.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older diagnosed with stable angina pectoris who are indicated for CABG and currently on the waiting list.

Not a fit: Patients with severe heart conditions such as congestive heart failure or those requiring urgent CABG will not benefit from this study.

Why it matters

Potential benefit: If successful, this therapy could significantly improve the quality of life and reduce symptoms for patients awaiting CABG.

How similar studies have performed: While the use of ECP therapy has been explored in refractory angina, this specific application for patients awaiting CABG is novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age \>= 18 years old
* Diagnosed with stable angina pectoris
* Anatomic vessel disease (VD) lesion with 2VD/3VD
* Indicated for CABG and in waiting list of CABG procedure; or refuse for CABG and choose medical therapy only; or patients who are decided by the responsible doctor for medical treatment alone because of the high risks of CABG surgery.
* Not planned to urgent CABG
* Minimum optimal medical therapy within 2 weeks
* Able and willing to sign informed consent and comply with study procedures
* The patient lives in Bandung City and its neighborhood
* Retired patient; or not actively working during working hours; or willing to take the time to participate in research.

Exclusion Criteria:

* Congestive Heart Failure
* Chronic heart failure with Functional Class NYHA III - IV
* LVEF \<35%
* Unprotected left main stenosis \>50%
* Blood pressure \>180/110mmHg
* Acute coronary syndrome
* Acute Heart Failure
* Severe aorta regurgitation
* Malignant arrhythmia
* Atrial fibrillation
* Premature ventricular complex
* Peripheral occlusive artery disease
* Phlebitis
* Deep vein thrombosis
* Hemorrhagic diathesis
* Severe chronic kidney disease
* Aortic aneurysm
* Abdominal aneurysm
* Osteoarthritis
* Low back pain
* Pregnancy
* Registered as other clinical study participant

Where this trial is running

Bandung, West Java

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions CounterpulsationAngina PectorisExternal CounterpulsationStable Angina PectorisIndicated CABGGlobal longitudinal strainIschemic response
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.