- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02425358
Timing for Bone Marrow Mononuclear Cells After Acute Myocardial Infarction
April 23, 2015 updated by: Rchuang, The First Affiliated Hospital of Dalian Medical University
Timing for Intracoronary Administration of Bone Marrow Mononuclear Cells After Acute ST-elevated Myocardial Infarction: a Pilot Study
Most studies on intracoronary bone marrow mononuclear cell (BMC) transplantation for acute myocardial infarction (AMI) involve treatment 3-7 days after primary percutaneous coronary intervention (PCI); however, the optimal timing is unknown.
The present study assessed the therapeutic effect at different times after ST-elevation myocardial infarction (STEMI).
Study Overview
Status
Completed
Conditions
Detailed Description
On the basis of experimental studies that bone marrow mononuclear cells (BMCs) transfer in the injured tissue can promote regional myocardial perfusion and improved cardiac function, several clinical trials have shown that intracoronary bone marrow mononuclear cell (BMC) transplantation in acute myocardial infarction (AMI) patients several days after myocardial reperfusion is safe and may enhance the improvement of left ventricular ejection fraction (LVEF).
The timing of BMC administration, baseline LVEF, dosage of BMC and other factors has been linked to improvement in LVEF after BMC transplantation.
In our previous work, we gave BMCs within 24 hours after emergency percutaneous coronary intervention (PCI) and found that it was safe and effective .
In addition, there are another report about longer time from symptom onset to BMC infusion (2-4 weeks), which also appeared effective .
The timing of intracoronary stem cell administration may have a critical effect on cell engraftment and may be responsible for the various biological and functional responses to therapy.
However, few studies have directly addressed the optimal timing of cell injections.
Therefore, in this prospective randomized study, BMCs were given at different times (within 24 hours, 3 to 7 days, or 7 to 30 days after reperfusion) to investigate whether the timing of therapy affects the therapeutic response of AMI patients.
Study Type
Interventional
Enrollment (Actual)
104
Phase
- Phase 2
- Phase 3
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 75 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- a history of first acute ST-elevation myocardial infarction
- treatment with successful PCI two to twelve hours after symptom onset
- LVEF less than 50% on angiography immediately after emergency PCI or rescue PCI
Exclusion Criteria:
- previous Q-wave myocardial infarction
- cardiogenic shock
- severe coexisting conditions such as acute and chronic heart failure, malignant
- arrhythmia, renal failure and severe bleeding that interfered with the ability of the
- patient to comply with the protocol
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: BMC therapy within 24 hours
Patients with acute myocardial infarction who receive intracoronary infusion of BMC within 24 hours after successful primary PCI.
|
The BMCs were isolated by Ficoll density gradient centrifugation on Lymphocyte Separation Medium.
BMCs were infused into IRA at the site of the previous occlusion.
This was accomplished with the use of a microtubular.
After positioning of the microtubular into the distal segment vessel of the stent position in the infarct-related artery, 15 milliliter of the whole cell suspension was slowly administered via microtubular.
The usual time should be over 10min to prevent back-flow and to prolong cellular contact time for cellular migration into the tissue.
Patients in BMC therapy group within 24 hours remained in the cath-lab until the entire procedure, including primary PCI and intracoronary BMC infusion, was completed.
|
Experimental: BMC therapy within 3-7 days
Patients with acute myocardial infarction who receive intracoronary infusion of BMC within 3-7days after successful primary PCI.
|
Patients in this group, who underwent a second procedure, to receive BMC transplantation in the cath-lab during the same hospitalization or returned for a second hospitalization.
|
Experimental: BMC therapy within 7-30 days
Patients with acute myocardial infarction who receive intracoronary infusion of BMC within 7-30days after successful primary PCI.
|
Patients in this group, who underwent a second procedure, to receive BMC transplantation in the cath-lab during the same hospitalization or returned for a second hospitalization.
|
Active Comparator: PCI only
Patients with acute myocardial infarction who were performed successful primary PCI.
|
The saline was intracoronary infusion with the use of microtubular.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Change of left ventricular eject factor (LVEF) from the baseline
Time Frame: 12 months
|
12 months
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Change of left ventricular end-diastolic volume (LVESV) from the baseline
Time Frame: 12 months
|
12 months
|
Change of left ventricular end-systolic volume (LVEDV) from the baseline
Time Frame: 12 months
|
12 months
|
Change of myocardial perfusion from the baseline
Time Frame: 12 months
|
12 months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Collaborators
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Yao K, Huang R, Sun A, Qian J, Liu X, Ge L, Zhang Y, Zhang S, Niu Y, Wang Q, Zou Y, Ge J. Repeated autologous bone marrow mononuclear cell therapy in patients with large myocardial infarction. Eur J Heart Fail. 2009 Jul;11(7):691-8. doi: 10.1093/eurjhf/hfp062. Epub 2009 May 6.
- Yao K, Huang R, Qian J, Cui J, Ge L, Li Y, Zhang F, Shi H, Huang D, Zhang S, Sun A, Zou Y, Ge J. Administration of intracoronary bone marrow mononuclear cells on chronic myocardial infarction improves diastolic function. Heart. 2008 Sep;94(9):1147-53. doi: 10.1136/hrt.2007.137919. Epub 2008 Apr 1.
- Huang R, Yao K, Sun A, Qian J, Ge L, Zhang Y, Niu Y, Wang K, Zou Y, Ge J. Timing for intracoronary administration of bone marrow mononuclear cells after acute ST-elevation myocardial infarction: a pilot study. Stem Cell Res Ther. 2015 May 29;6(1):112. doi: 10.1186/s13287-015-0102-5.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
February 1, 2005
Primary Completion (Actual)
August 1, 2006
Study Completion (Actual)
August 1, 2006
Study Registration Dates
First Submitted
April 15, 2015
First Submitted That Met QC Criteria
April 23, 2015
First Posted (Estimate)
April 24, 2015
Study Record Updates
Last Update Posted (Estimate)
April 24, 2015
Last Update Submitted That Met QC Criteria
April 23, 2015
Last Verified
April 1, 2015
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2004BA714B05-2
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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