- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00221182
Stem Cell Study for Patients With Heart Disease
June 21, 2011 updated by: Foundation for Biomedical Research and Innovation
Phase I / II Clinical Trial Regarding Vascular Regeneration Therapy by Transplantation of Autologous Peripheral Blood Endothelial Progenitor Cells (CD34+ Cells) in No-Option Patients With Chronic Myocardial Ischemia
The purpose of this study is to determine if stem cell therapy with your own cells (autologous cells) delivered with a catheter to regions of the heart with poor blood flow will be safe and if it will relieve your chest pain, increase the blood flow, and/or improve the cardiac contractility (function) by regenerating blood vessels in your heart.
Study Overview
Status
Terminated
Conditions
Intervention / Treatment
Detailed Description
Chronic myocardial ischemia (MI) is a progressive disease, which arises as a result of atherosclerosis in coronary arteries.
Prognosis of chronic MI is poor, and no effective treatments have been established in patients who are not eligible for the traditional revascularization therapies such as angioplasty and bypass procedures due to the inappropriate anatomy of the coronary arteries or frequent reocclusion following revascularization.
Therefore, it is necessary to establish novel revascularization treatment to improve prognosis of the no-option patients.
We will study the safety and clinical efficiency of vascular regeneration by means of transplantation of autologous peripheral blood endothelial progenitor cells (CD34 positive cells) in patients with severe chronic coronary artery disease (CAD) who are not eligible for traditional revascularization treatments.
The primary endpoint is the severity of myocardial ischemia identified by sestamibi SPECT stress myocardial scintigraphy and the evaluation of adverse effect rates, while the secondary endpoints are evaluation of CCSAS and NYHA classification, regional myocardial blood flow as revealed by PET scan, and various left ventricular function indices.
Study Type
Interventional
Enrollment (Actual)
1
Phase
- Phase 2
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Okayama, Japan, 700-8530
- Okayama University School of Medicine
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Hyogo
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Kobe, Hyogo, Japan
- Kobe City General Hospital
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Hyogo-Pref.
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Kobe, Hyogo-Pref., Japan, 650-0047
- Kobe Institute of Biomedical Research and Innovation
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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 78 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
-Chronic severe CAD patients fulfilling all the following criteria are considered suitable for inclusion in the study.
- At least 6 months since last episode of myocardial infarction or at least 3 months since initial anginal episode.
Patients fulfilling either of the following criteria based on the extent of CAD by coronary angiography and LVEF by echocardiography.
- Patients with single vessel CAD and LVEF < 50%
- Patients with multivessel CAD
- Reversible myocardial ischemia as revealed by sestamibi SPECT stress myocardial scintigraphy.
- Patients for whom angioplasty and bypass are not indicated because of anatomical or procedural reasons or frequent reocclusion/restenosis following traditional revascularization.
- Age is between 20 and 80 (at time of consent).
- Exercise tolerance time (ETT) duration ≥ 3 minutes and < 13 minutes on a modified Bruce protocol on 2 consecutive tests (> 24 hours but < 2 weeks apart), with the difference between the 2 exercise times within 25% of their mean (Patients should not be informed of exercise restrictions required for entry into the study).
- Patients who can give informed consent themselves in writing.
Exclusion Criteria:
Any one of the following exclusion criteria is sufficient to disqualify a patient from the study.
- Sustained ventricular tachycardia in a 24-hour ECG.
- Chronic atrial fibrillation.
- Less than 6 months since last episode of cerebral infarction.
- Less than 6 months since last coronary angioplasty or less than 3 months since last bypass surgery.
- Patients with unstable angina, with a treatment rating of 3 in the Braunwald system (refer to 5.4.), but a severity of III and a clinical rating of B or C.
- Presence of left ventricular thrombus by echocardiography
- Patients with a malignant tumor*.
- Patients with diabetic proliferating retinopathy** (new Fukuda classification BI to BV).
- Patients with chronic rheumatoid arthritis.
- Patients with a history of severe allergic reactions or side effects to G-CSF preparations or apheresis.
- Patients with hematological disease (leukemia, myeloproliferative disease, or myelodysplastic syndromes).
- Patients currently suffering from or having a history of interstitial pneumonitis.
- Patients for whom cranial MRA reveals cerebral aneurysm.
- Patients for whom abdominal CT or ultrasonography reveals splenomegaly.
- Patients with cirrhosis of the liver.
- Patients who cannot discontinue Warfarin.
- Leukocytes less than 4,000/µL or exceeding 10,000/µL.
- Platelets less than 100,000/µL.
- Hemoglobin less than 10 g/dL.
- AST (GOT) exceeding 100 IU/L or ALT (GPT) exceeding 100 IU/L.
- Patients for whom it is impossible to perform both cardiac MRI and left ventriculography (LVG) (see 9.2.4 for cardiac MRI details and 9.2.9 for LVG details).
- Patients with gate disturbance for reasons other than CAD (such as critical limb ischemia, sciatic neuralgia, or vasculitis), making exercise tolerance evaluation on a treadmill with stress ECG difficult.
- Pregnant or nursing patients, those who may be pregnant, or those who plan on becoming pregnant before the end of the study period.
- Any other reason that the Clinical Supervisors or Clinical Researchers may have for considering a case unsuitable for the study.
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: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
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Efficacy: Severity of myocardial perfusion abnormality by sestamibi SPECT stress myocardial scintigraphy
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Safety: Severe adverse events within 4 weeks after cell therapy
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Secondary Outcome Measures
Outcome Measure |
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CCSAS (Canada Cardiovascular Society Anginal Score)
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NYHA (New York Heart Association) classification
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Exercise tolerance by treadmill
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Left ventricular function by cardiac MRI
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Collaborators
Investigators
- Principal Investigator: Takayuki Asahara, M.D., Foundation for Biomedical Research and innovation
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
- Takahashi T, Kalka C, Masuda H, Chen D, Silver M, Kearney M, Magner M, Isner JM, Asahara T. Ischemia- and cytokine-induced mobilization of bone marrow-derived endothelial progenitor cells for neovascularization. Nat Med. 1999 Apr;5(4):434-8. doi: 10.1038/7434.
- Asahara T, Murohara T, Sullivan A, Silver M, van der Zee R, Li T, Witzenbichler B, Schatteman G, Isner JM. Isolation of putative progenitor endothelial cells for angiogenesis. Science. 1997 Feb 14;275(5302):964-7. doi: 10.1126/science.275.5302.964.
- Asahara T, Kawamoto A. Endothelial progenitor cells for postnatal vasculogenesis. Am J Physiol Cell Physiol. 2004 Sep;287(3):C572-9. doi: 10.1152/ajpcell.00330.2003.
- Kawamoto A, Tkebuchava T, Yamaguchi J, Nishimura H, Yoon YS, Milliken C, Uchida S, Masuo O, Iwaguro H, Ma H, Hanley A, Silver M, Kearney M, Losordo DW, Isner JM, Asahara T. Intramyocardial transplantation of autologous endothelial progenitor cells for therapeutic neovascularization of myocardial ischemia. Circulation. 2003 Jan 28;107(3):461-8. doi: 10.1161/01.cir.0000046450.89986.50.
- Kawamoto A, Gwon HC, Iwaguro H, Yamaguchi JI, Uchida S, Masuda H, Silver M, Ma H, Kearney M, Isner JM, Asahara T. Therapeutic potential of ex vivo expanded endothelial progenitor cells for myocardial ischemia. Circulation. 2001 Feb 6;103(5):634-7. doi: 10.1161/01.cir.103.5.634.
- Kalka C, Masuda H, Takahashi T, Kalka-Moll WM, Silver M, Kearney M, Li T, Isner JM, Asahara T. Transplantation of ex vivo expanded endothelial progenitor cells for therapeutic neovascularization. Proc Natl Acad Sci U S A. 2000 Mar 28;97(7):3422-7. doi: 10.1073/pnas.97.7.3422.
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
September 1, 2005
Primary Completion (Actual)
September 1, 2009
Study Completion (Actual)
September 1, 2009
Study Registration Dates
First Submitted
September 13, 2005
First Submitted That Met QC Criteria
September 13, 2005
First Posted (Estimate)
September 22, 2005
Study Record Updates
Last Update Posted (Estimate)
June 22, 2011
Last Update Submitted That Met QC Criteria
June 21, 2011
Last Verified
June 1, 2011
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- BRI CAD 04-01
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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