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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT02323620
Other study ID # AHP-001
Secondary ID
Status Not yet recruiting
Phase Phase 3
First received
Last updated
Start date March 2019
Est. completion date December 2022

Study information

Verified date December 2018
Source American Heart of Poland
Contact Pawel E. Buszman, MD, PhD,
Phone (+48) 607358348
Email pbuszman@ka.onet.pl
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is multicentre, randomised open-label, controlled, parallel-group phase III study. Its aim is to demonstrate that a triple intracoronary infusion of autologous bone marrow-derived mononuclear cells in addition to state of the art treatment is safe and reduces all-cause mortality in patients with reduced left ventricular ejection fraction (≤45%) after successful reperfusion for acute myocardial infarction when compared to a control group of patients undergoing best medical care.


Description:

The study is divided into 3 parts:

- Screening phase: Patients will be recruited at the investigational clinical centers. Alternatively, patients who had primary PCI performed at institutions different from the investigational sites can also be enrolled. Interested patients may be referred for screening to any of the participating study sites after acute reperfusion therapy. Informed consent and assessment of eligibility of patients with respect to in- and exclusion criteria will be done at the investigational site. If all other eligibility criteria are met, echocardiography will be performed 3 to 6 days after the acute PCI, and ejection fraction will be quantified by a central Echo Core Lab after web based transmission. CT examination will be performed 1 month after acute PCI in all screened patients with LVEF ≤ 45%. If LVEF will not improve ≥5% in the CT the patient may be qualified into the Study.

- Treatment phase: Bone marrow aspiration will be performed for the patients assigned to the treatment group (II). Bone marrow will be collected from the patient and MNC isolated using point-of-care system (Harvest) at a Site. Intracoronary infusion of BM-MNCs will be performed up to 2 hours after isolation via radial approach. Same procedure will be performed 3 and 6 months after first application.

- Follow-up phase: After hospital discharge, patients will be followed up per telephone 30 days and 3, 6, 9 months after randomisation and with a site visit with CT examination 12 months after randomisation. Afterwards, telephone follow up will be performed every 3 months. Once the required number of clinical events has been observed, all patients will attend a final study visit, but minimum follow up period for each patient is 2 years. Endpoints will be reported as occurring throughout the follow up.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 200
Est. completion date December 2022
Est. primary completion date July 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

1. Men and women of any ethnic origin aged = 18 years.

2. Patients with acute ST-elevation myocardial infarction as defined by the universal definition of AMI.

3. Successful acute reperfusion therapy (residual stenosis visually <50% and TIMI flow =2) within 24 hours of symptom onset or thrombolysis within 12 hours of symptom onset followed by successful percutaneous coronary intervention (PCI) within 24 hours after thrombolysis.

4. Left ventricular ejection fraction = 45% with significant regional wall motion abnormality assessed by quantitative echocardiography (central, independent core lab analysis) 3 to 6 days after reperfusion therapy

5. Open coronary artery suitable for cell infusion supplying the target area of abnormal wall motion

6. LVEF=45% with significant regional wall motion abnormality assessed by computed tomography (CT) 30 days after reperfusion therapy with no LVEF improvement =5%.

Exclusion Criteria:

1. Participation in another clinical trial within 30 days prior to randomisation

2. Previously received stem/progenitor cell therapy

3. Pregnant or nursing women

4. Mental condition rendering the patient unable to understand the nature, scope and possible consequences of the study or to follow the protocol

5. Necessity to revascularise additional vessels, outside the target coronary artery at the time of BM-MNC infusion (additional revascularisations after primary PCI and before BM-MNC cell infusion are allowed)

6. Cardiogenic shock requiring mechanical support

7. Platelet count <100,000/µl, or hemoglobin <8.5 g/dl

8. Impaired renal function, i.e. serum creatinine >2.5 mg/dl

9. Persistent fever or diarrhea not responsive to treatment within 4 weeks prior screening

10. Clinically significant bleeding within 3 months prior screening

11. Uncontrolled hypertension (systolic >180 mmHg and diastolic >120 mmHg)

12. Life expectancy of less than 2 years from any non-cardiac cause or neoplastic disease

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Intracoronary infusion of BM-MC
Bone marrow-derived progenitor cells are obtained from 60ml bone marrow aspirated from the iliac crest. Intracoronary infusion of the autologous cells is performed via conventional percutaneous intracoronary intervention techniques using an over-the-wire balloon technique.

Locations

Country Name City State
Poland Polsko-Amerykanskie Kliniki Serca Ustron

Sponsors (1)

Lead Sponsor Collaborator
American Heart of Poland

Country where clinical trial is conducted

Poland, 

Outcome

Type Measure Description Time frame Safety issue
Primary Left ventricle ejection fraction change evaluated by CT 12 months
Secondary Change in left ventricle End-Systolic Volume (ESV) and End-Diastolic Volume (EDV) evaluated by CT 12 months
Secondary Time from randomisation to cardiac death 3 years
Secondary Time from randomisation to cardiovascular death or rehospitalisation due to heart failure 3 years
Secondary Incidence and severity of adverse events 3 years
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