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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04310995
Other study ID # SIG-IIS001C
Secondary ID
Status Completed
Phase Phase 4
First received
Last updated
Start date June 2, 2020
Est. completion date June 28, 2023

Study information

Verified date July 2023
Source Ruijin Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The Pilot study will be a single-center, randomized, open-label, active-controlled trial. After CABG surgery using Radial Artery Grafts (RA-CABG) and signing the informed consent, all patients will be screened according to the inclusion and exclusion criteria. Estimated 150 patients will be enrolled and randomized by ratio 1:1:1 to receive either Nicorandil (5mg tid po) or Diltiazem (180mg qd po) or Isosorbide Mononitrate (50mg qd po). Follow-up visits will be conducted at Week 1, 4, 12, and 24 after surgery. The last evaluation of study endpoints and other adverse events will be at Week 24. The pilot study is designed to explore the angiography outcomes of grafts and cardiovascular outcomes of patients, as well as safety outcomes among different anti-spastic regimens after RA-CABG.


Description:

After having signed informed consent (Day 1-3), eligible subjects who have successfully received first RA-CABG surgery (Day 0) will be screened for enrollment. All subjects (150 patients) will be randomized in a 1:1:1 ratio into 3 groups. Group A will receive oral Nicorandil (5mg tid) monotherapy; Group B will receive oral Diltiazem (180mg qd) monotherapy; and Group C will receive Isosorbide Mononitrate (50mg qd) monotherapy. Three groups will continue intervention treatment for 24 weeks after RA-CABG surgery. All subjects will receive follow-up visits (clinic visit or phone visit) at Week 1, 4, 12, and 24 after surgery. All subjects will receive first CCTA (or CAG) to evaluate the graft outcome at Week 1 and second CCTA (or CAG) to evaluate the graft outcome at Week 24 after RA-CABG surgery. And all subjects will be evaluated angina relief based on the Canadian Cardiovascular Society (CCS) angina grading and the Seattle Angina Questionnaire. And the time to first major adverse cardiovascular event (MACE), which include all-cause mortality, myocardial infarction, stroke and unplanned revascularization, will be collected. And other safety outcomes will be evaluated, including the rate of hypotension, the proportion of concomitant medications with ACEI/ARB/ARNI drugs and proportion of SAEs and concerned AEs.


Recruitment information / eligibility

Status Completed
Enrollment 150
Est. completion date June 28, 2023
Est. primary completion date February 2, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Age=18 years old, - Male or female patients, - Have signed informed consent, - Have successfully received a RA-CABG surgery 1-3 days ago. Exclusion Criteria: - Previously experienced an allergy to active ingredients and/or excipients of experimental drugs, - Hypotension (defined as systolic blood pressure < 90mmHg or diastolic blood pressure < 60mmHg) after surgery, - Acute myocardial infarction, pulmonary congestion or cardiogenic shock after surgery, - Concomitant medications with phosphodiesterase-5 inhibitors such as sildenafil, vardenafil, tadalafil, etc, - Pathological sinus node syndrome, degree II or III atrioventricular block without cardiac pacemaker, - With contraindications for coronary computed tomography angiography (CCTA) or coronary arteriography (CAG) examination, such as iodine allergy, etc. note: patients with renal insufficiency or even end-stage receiving hemodialysis but can be tolerated by CCTA or CAG examination (judged by investigators) are eligible for inclusion, - History or evidence of ongoing alcohol or drug abuse, - Life expectancy < 1 year judged by investigators, - Other inappropriate situations judged by investigators .

Study Design


Intervention

Drug:
Nicorandil 5mg tid
oral Nicorandil Tablets 5mg (5mg per tablet) three times daily for 24 weeks
Diltiazem 180mg qd
oral Diltiazem Sustained-release Tables180mg (90 mg per tablet) once daily for 24 weeks
Isosorbide Mononitrate 50mg qd
oral Isosorbide Mononitrate Sustained-release Capsules 50 mg (50mg per capsule) once daily for 24 weeks

Locations

Country Name City State
China Ruijin Hospital Shanghai Jiaotong University School of Medicine Shanghai

Sponsors (2)

Lead Sponsor Collaborator
Ruijin Hospital Chugai Pharma China

Country where clinical trial is conducted

China, 

References & Publications (1)

Zhu Y, Qing K, Liu Y, Yao H, Zhang W, Zhao Q. Effect of Nicorandil, Diltiazem, or Isosorbide Mononitrate for Oral Antispastic Therapy After Coronary Artery Bypass Grafting Using Radial Artery Grafts-A Pilot Randomized Controlled Trial (ASRAB-Pilot): Rationale and Study Protocol. Adv Ther. 2023 Jun 17. doi: 10.1007/s12325-023-02548-4. Online ahead of print. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary the rate of RA graft failure at Week 1 CCTA or CAG will be used to evaluate the RA graft outcome at Week 1 after RA-CABG. The definition of RA-graft outcomes will refer to the modified Fitzgibbon classification criteria. When RA-graft outcome conform to the Grade B, O or S, the result will be judged as the graft failure. at Week 1
Primary the rate of RA graft failure at Week 24 CCTA or CAG will be used to evaluate the RA graft outcome at at Week 24 after RA-CABG. The definition of RA-graft outcomes will refer to the modified Fitzgibbon classification criteria. When RA-graft outcome conform to the Grade B, O or S, the result will be judged as the graft failure. at Week 24
Secondary the time to first Major Adverse Cardiovascular Events (MACE) MACE will include all-cause death, myocardial infarction, stroke and unplanned revascularization. within 24 weeks
Secondary the proportion of subjects with angina recurrence The angina symptoms will be evaluated by Canadian Cardiovascular Society angina grade and Seattle Angina Questionnaires. within 24 weeks
Secondary the proportion of subjects with at least one hypotension occurrence Subjects' blood pressure will be measured by sitting in the clinic or by using a sphygmomanometer outside the hospital (recorded on the diary card). Systolic blood pressure < 90mmHg or diastolic blood pressure < 60mmHg will be recorded as "hypotension" as defined in the study. within 24 weeks
Secondary the proportion of subjects with ACEI/ARB/ARNI withdrawal The subjects who stop using ACEI/ARB/ARNI =20% of the time during the study period will be recorded as "ACEI/ARB/ARNI withdrawal" as defined in the study. within 24 weeks
Secondary the proportion of subjects with serious adverse events (SAEs) and concerned adverse events (AEs) SAE will include death; life-threatening; requires or prolongs inpatient hospitalization; results in persistent or significant disability/incapacity; a congenital anomaly/birth defect in the offspring of the patient; judged to be medically significant (including laboratory abnormalities). concerned AEs will include: cardiac arrest, reoperation, incision complications, pulmonary infection, respiratory failure, new atrial fibrillation/atrial flutter, permanent pacemaker implantation, and gastrointestinal hemorrhage. within 24 weeks
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