Please assess the completion status of the following clinical trial:

Trial Title: Study Protocol of Intramyocardial Injection of Autologous Bone Marrow Stem Cells for Refractory Angina

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE2
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Aged above 21 years old;~* Documented coronary artery disease by angiography and confirmed ischemia by myocardial perfusion scintigraphy with physical or pharmacological stress;~* Class IV angina pectoris (CCSAC) that is unresponsive to optimized dose of at least two anti-anginal medications including nitrates, beta blocker, calcium channel blocker or Ranolazine) as well as aspirin or other anti-platelet agent plus statin therapy;~* Considered to not be a candidate for either percutaneous catheter or surgical myocardial revascularization due to either anatomical type, extent of coronary disease in the target vessel, or caliber of the distal vessels;~* Ejection fraction of \> 45% by Transthoracic echocardiogram with Doppler by the Simpson method;~* Myocardial perfusion scintigraphy showing that the areas of myocardial ischemia supply viable tissue.~Exclusion Criteria:~* Significant Valvular Heart Disease;~* Chronic kidney disease requiring renal replacement therapy;~* Severe comorbidities associated with the reduction of life expectancy in less than 5 years;~* Ongoing abusive use of alcohol or illegal drugs (Based on the Diagnostic and Statistical Manual (DSM) IV - CAGE questionnaire);~* Positive Serologic test for HIV, Human T-cell lymphotrophic virus (HTLV), Hepatitis A, B and C;~* History of Malignant neoplasia in the last 2 years;~* Participation into other studies of cell therapy in the last year;~* Pregnancy or Breast-feeding.

- Gender: ALL
- Minimum Age: 21 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Stem Cell Therapy (Type: EXPERIMENTAL): All subjects enrolled in the study underwent:~Local Sedation; Bone Marrow Aspiration; Minithoracotomy; Autologous bone marrow mononuclear cells infusion.

Based on this trial design, predict the completion outcome and termination type (if applicable).