Refractory Angina Pectoris Clinical Trial
Official title:
Shockwave Treatment for Advanced Angina in Maastricht (SWAAM). A Pilot Study
Verified date | February 2013 |
Source | Medispec |
Contact | n/a |
Is FDA regulated | No |
Health authority | Netherlands: Independent Ethics Committee |
Study type | Interventional |
Low intensity shockwaves have been proven in animal studies to induce local growth of new
blood vessels from existing ones.
The hypothesis of this study is that shockwave therapy could improve the symptoms of
patients with refractory angina not amenable to revascularization with angioplasty or bypass
surgery.
Status | Completed |
Enrollment | 33 |
Est. completion date | June 2012 |
Est. primary completion date | January 2012 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Patient is diagnosed with chronic stable angina pectoris, for a period of at least 3 months. Diagnosis is based on medical history, complete physical evaluation. - Patient has documented myocardial segments with reversible ischemia. - Patient is classified in AP CCS of III-IV. - Patient should be on a stable dosage of medication used to treat angina for at least 6 weeks prior to enrollment. - Patient demonstrates exercise tolerance capacity of no higher than 125 W on a modified Bruce treadmill exercise test until presence of clinical symptoms (i.e. angina, ST-depression). - Patient demonstrates exercise tolerance time and stability averaging no more than 25% of each other (the tests will be performed within two weeks and at least a day different between the two). - Patient has documented epicardial coronary artery disease not amenable to angioplasty or CABG. - Patient has signed an IRB approved informed consent form. - Patient's condition should be stable and should have a life expectancy of >12 months. Patient's current and past medical condition and status will be assessed using previous medical history, physical evaluation, and the physicians (principle investigator's) medical opinion. Exclusion Criteria: - Patient is pregnant - Patient has chronic lung disease including emphysema and pulmonary fibrosis. - Patient has active endocarditis, myocarditis or pericarditis. - Patient is simultaneously participating in another device or drug study, or has participated in any clinical trial involving an experimental device or drug, including other drugs or devices enhancing cardiac neovascularization, or any ESWT machine of a competitor company within 3 months of entry into the study. - Patients who are unwilling or unable to cooperate with study procedure |
Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
Netherlands | Academisch Ziekenhuis Maastricht | Maastricht |
Lead Sponsor | Collaborator |
---|---|
Medispec | Academisch Ziekenhuis Maastricht |
Netherlands,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Time to Angina | Change in time to angina using the modified Bruce exercise test from baseline to the 6 months post baseline assessment | 6 months | No |
Secondary | Change in SPECT | The change in perfusion in pharmacological induced stress SPECT test (at rest and at stress) from baseline to 6 months post baseline (17 segment model) | 6 months | No |
Secondary | Change in AP-CCS | The AP-CCS stage at the 6 months post baseline. | 6 months | No |
Secondary | Total Exercise time | The change in total exercise time (Exercise Tolerance Test- ETT) from baseline to 6 months post baseline. | 6 months | No |
Secondary | Number of Angina attacks (patient diary) | The change in the number of angina attacks from baseline to 6 months post baseline. The number of attacks per week will be documented. | 6 months | No |
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