Efficacy and Safety of Comprehensive Treatment in Patients With IR-CAD: a Self-controlled Cohort Study

Coronary Artery Disease Clinical Trial

Official title:

Efficacy and Safety of Comprehensive Treatment in Patients With Inflammation-associated Rapidly-progressive Coronary Artery Disease (IR-CAD): a Self-controlled Cohort Study

Clinical Trial Details — Status: Recruiting

Administrative data

• NCT number: NCT05860400
• Other study ID #: K3483
• Status: Recruiting
• Start date: May 17, 2023
• Est. completion date: September 2025

Study information

• Verified date: July 2023
• Source: Peking Union Medical College Hospital
• Contact: Zhenyu Liu, M.D.
• Phone: +861069155068
• Email: Pumch_lzy[@]163.com
• Is FDA regulated: No
• Study type: Observational [Patient Registry]

Clinical Trial Summary

This is a self-controlled cohort study to evaluate the efficacy and safety of comprehensive treatment in patients with inflammation-associated rapidly-progressive coronary artery disease (IR-CAD) by comparing the study endpoints before treatment with those after treatment in the same group of patients.

Description:

A special type of coronary artery disease (CAD) has been identified in our clinical practice, which has completely different clinical features from those of typical atherosclerotic coronary artery disease (AS-CAD). The patients often have sterile inflammatory diseases and/or clinical evidence of inflammation, whose CAD progresses rapidly, recurs frequently, and responds poorly to intensified secondary prevention of AS-CAD, especially after percutaneous coronary intervention (PCI). We name this special type of CAD inflammation-associated rapidly-progressive coronary artery disease (IR-CAD). The optimal treatment for IR-CAD remains unknown. We hypothesize that the rapid progression of IR-CAD might be associated with inflammation considering that: 1) inflammation is associated with poor prognosis in CAD patients after PCI; 2) IR-CAD patients often have sterile inflammatory diseases and/or clinical evidence of inflammation; 3) the disease progression of IR-CAD can be controlled to some extent with corticosteroids and immunosuppressive agents. Therefore, we incorporate immunosuppressive therapy into the overall management strategy of IR-CAD patients in clinical practice, developing comprehensive treatment, including: 1) intensified secondary prevention of AS-CAD; 2) immunosuppressive therapy; 3) coronary revascularization; 4) supportive therapies. The present self-controlled cohort study is designed to evaluate the efficacy and safety of comprehensive treatment in about 39 IR-CAD patients by comparing the outcomes before with those after the initiation of comprehensive treatment in the same group of patients. All patients who were admitted to the Department of Cardiology, Peking Union Medical College Hospital on and after January 1, 2022 will be screened for study participation. Patients were diagnosed as IR-CAD if they presented with 1) rapidly progressive myocardial ischemia (typical symptoms and non-invasive evidence) despite standard treatment for secondary prevention of AS-CAD after the last coronary revascularization; 2) angiographic evidence of new coronary lesions (de novo stenosis or restenosis) related to myocardial ischemia; 3) evidence of inflammation (positive inflammation markers or established diagnoses of inflammatory diseases or use of immunosuppressive therapy). IR-CAD patients who have received comprehensive treatment will be enrolled in the present cohort study. The eligible patients will be followed for 24 months since the initiation of comprehensive treatment. The primary efficacy endpoint is major adverse cardiovascular events (MACE). The key secondary efficacy endpoint is target vessel related major adverse cardiovascular events (TV-MACE). Other secondary efficacy endpoints include individual components of MACE and TV-MACE, exercise capacity, angiographic metrics of coronary lesions, and inflammation markers. The safety endpoints are major bleeding events and severe infection events. For endpoints which are categorical variables, e.g., MACE, survival analysis will be used to compare the survival curves before treatment (from the last coronary revascularization before the initiation of comprehensive treatment to the first occurrence of MACE) with those after treatment (from the initiation of comprehensive treatment to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first). Event-free survival rates and relative risk will be calculated. For endpoints which are continuous variables, e.g., inflammation markers, paired t-test or paired rank sum test will be used to compare the endpoint levels before treatment (before the initiation of comprehensive treatment or at baseline) with those after treatment (the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, after the initiation of comprehensive treatment).

Recruitment information / eligibility

• Status: Recruiting
• Enrollment: 39
• Est. completion date: September 2025
• Est. primary completion date: September 2025
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years and older

Eligibility

Inclusion Criteria:

1. Fulfilling all the following criteria before initiation of comprehensive treatment:

1.1 18 years of age or older, male or female. 1.2 Negative result of urine or blood pregnancy test for females with childbearing potential (not post-menopausal or surgically sterile). 1.3 Prior history of coronary revascularization (percutaneous coronary intervention [PCI] or coronary artery bypass graft [CABG]). 1.4 Receiving standard treatment for secondary prevention of atherosclerotic coronary artery disease (AS-CAD) after the last coronary revascularization.

1.5 Hospitalization due to rapidly-progressive myocardial ischemia:

• Typical symptoms of angina (Canadian Cardiovascular Society [CCS] III-IV) and non-invasive evidence of myocardial ischemia; and
• Occurred within 6 months or occurred on immunosuppressive therapy within 12 months of the last coronary revascularization.

1.6 Angiographic evidence of new coronary lesions (de novo stenoses or restenoses):

• Occurred after the last coronary revascularization; and
• Related to myocardial ischemia (location, extent, severity, et al).

1.7 Evidence of inflammation:

• At least one of the markers indicating active inflammation has ever been elevated (erythrocyte sedimentation rate [ESR], high-sensitivity C-reactive protein [hs-CRP], interleukin [IL]-6, tumor necrosis factor [TNF]-a, ferritin, et al); or
• Established diagnosis of systemic autoimmune disease or systemic vasculitis; or
• Receiving immunosuppressive therapy.

2. Receiving comprehensive treatment, including ischemia-driven PCI which was performed no earlier than 40 days of the initiation of immunosuppressive therapy.

Exclusion Criteria:

1. Coronary restenosis due to mechanical factors (stent under-expansion, stent mal-apposition, stent rupture, et al).

2. Other moderate to severe heart diseases (congenital heart disease, valvular heart disease, myocarditis, cardiomyopathy, pericardial diseases, pulmonary hypertension, heart failure, arrhythmia, et al).

3. Active acute or chronic infection (human immunodeficiency virus [HIV], tuberculosis, et al).

4. Active malignancy (diagnosed within 12 months or with ongoing requirement for treatment).

5. Vital organ failure.

6. Life expectancy < 1 year.

7. Contraindications for or intolerance to treatment for secondary prevention of AS-CAD, contrast agents, glucocorticoids, immunosuppressive agents.

8. In pregnancy or breast-feeding, or with intention to be pregnant during the study period.

9. Risk of non-compliance (history of drug addiction or alcohol abuse, et al).

10. Previous enrollment in this study.

11. Participation in another study within 30 days.

12. Involvement in the planning and conduct of this study (applying to investigators, contract research organization staffs, study site staffs, et al).

13. Any condition, which in the opinion of the investigators, would make it unsuitable for the patient to participate in this study.

Related Conditions & MeSH terms

• Coronary Artery Disease
• Coronary Artery Disease Progression
• Coronary Artery Restenosis
• Coronary Artery Stenosis
• Coronary Disease
• Coronary Restenosis
• Coronary Stenosis
• Disease Progression
• Inflammation
• Inflammation Vascular
• Inflammatory Disease
• Myocardial Ischemia

Intervention

Behavioral:
• Healthy life style
Healthy diet, regular exercise, and quitting smoking

Drug:
• Secondary prevention for atherosclerotic coronary artery disease
Antiplatelet therapy, as well as medications for control of heart rate, blood pressure, low-density lipoprotein cholesterol, and blood glucose
• Immunosuppressive therapy
Glucocorticoids and/or immunosuppressive agents

Procedure:
• Coronary revascularization
Percutaneous coronary intervention (PCI) or coronary artery bypass graft (CABG).

Drug:
• Supportive therapies
Medical interventions for prevention and treatment of the side effects of the above treatment, such as abnormal liver function, hypocalcemia, hypokalemia, peptic ulcer, infection, et al.

Locations

Country	Name	City	State
China	Peking Union Medical College Hospital	Beijing	Beijing

Sponsors (1)

Lead Sponsor	Collaborator
Peking Union Medical College Hospital

Country where clinical trial is conducted

China, 

References & Publications (16)

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Takahashi N, Dohi T, Endo H, Funamizu T, Wada H, Doi S, Kato Y, Ogita M, Okai I, Iwata H, Okazaki S, Isoda K, Miyauchi K, Shimada K. Residual Inflammation Indicated by High-Sensitivity C-Reactive Protein Predicts Worse Long-Term Clinical Outcomes in Japanese Patients after Percutaneous Coronary Intervention. J Clin Med. 2020 Apr 6;9(4):1033. doi: 10.3390/jcm9041033. — View Citation

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* Note: There are 16 references in all — Click here to view all references

Outcome

Type	Measure	Description	Time frame	Safety issue
Other	Major bleeding events	Major bleeding events evaluated according to the Bleeding Academic Research Consortium (BARC) criteria.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Other	Severe infection events	Infection events involving vital organs, or with complications (such as structural change and/or dysfunction of vital organs, septic shock), or requiring hospitalization, or requiring treatment with intravenous antibiotics, or requiring treatment with interventional procedures or surgeries.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Primary	Major adverse cardiovascular events (MACE)	The composite endpoint including death, or Q wave myocardial infarction, or unplanned myocardial ischemia-driven coronary revascularization (PCI or CABG), or unplanned myocardial ischemia-driven hospitalization.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Secondary	Target vessel related major adverse cardiovascular events (TV-MACE)	The composite endpoint including cardiovascular death, or target vessel related Q wave myocardial infarction, or target vessel related unplanned myocardial ischemia-driven coronary revascularization (PCI or CABG), or target vessel related unplanned myocardial ischemia-driven hospitalization.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Secondary	Death	All-cause death.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Secondary	Myocardial infarction	Myocardial injury due to myocardial ischemia.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Secondary	Target vessel related myocardial infarction	Myocardial infarction in the area supplied by the target vessel.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Secondary	Unplanned myocardial ischemia-driven coronary revascularization	Unplanned coronary revascularization (PCI or CABG) due to myocardial ischemia.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Secondary	Target vessel related unplanned myocardial ischemia-driven coronary revascularization	Unplanned coronary revascularization (PCI or CABG) in the target vessel due to myocardial ischemia.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Secondary	Unplanned myocardial ischemia-driven hospitalization	Unplanned hospitalization due to myocardial ischemia.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Secondary	Target vessel related unplanned myocardial ischemia-driven hospitalization	Unplanned hospitalization due to myocardial ischemia in the area supplied by the target vessel.	Time from the last coronary revascularization to the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first, both before and after the initiation of comprehensive treatment.
Secondary	Walking distance in 6 minutes	The result of 6-minute walk test (6MWT).	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.
Secondary	Number of squats in 1 minute	The result of 1-minute squatting test (1MST).	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.
Secondary	Target lesion minimal lumen area (TL-MLA)	The minimum lumen area of the target lesion on optical coherence tomography (OCT).	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.
Secondary	Target lesion percent area stenosis (TL-%AS)	Percent area stenosis (% AS) = { [ ( proximal RLA + distal RLA ) - (MLA × 2) ] / ( proximal RLA + distal RLA ) } × 100% in the cross-section with the MLA of the target lesion on optical coherence tomography (OCT). RLA = reference lumen area; MLA = minimum lumen area; % AS = percent area stenosis.	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.
Secondary	SYNTAX score	The result of SYNTAX score calculation.	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.
Secondary	Number of vessel segments with coronary lesions	Number of vessel segments with diameter stenosis = 50% on coronary angiogram.	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.
Secondary	Erythrocyte sedimentation rate (ESR)	The result of erythrocyte sedimentation rate (ESR) test.	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.
Secondary	High-sensitivity C-reactive protein (hs-CRP)	The result of serum high-sensitivity C-reactive protein (hs-CRP) test.	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.
Secondary	interleukin (IL)-6	The result of serum interleukin (IL)-6 test.	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.
Secondary	Tumor necrosis factor (TNF)-a	The result of serum tumor necrosis factor (TNF)-a test.	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.
Secondary	Birmingham vasculitis activity score	The result of Birmingham Vasculitis Activity Score (version 3) calculation.	Before treatment: the timepoint before the initiation of comprehensive treatment, or at baseline. After treatment: the timepoint of the first occurrence of MACE, or the last follow-up visit, or the end of 24-month follow-up, which occurs first.