- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06074367
The Impact of Oral Vitamin C in Prevention for Post Operative Atrial Fibrillation (POAF) in Coronary Artery Bypass Surgery (CABG) Patients
Post Operative Atril Fibrillation : The Impact of Oral Vitamin C in Reducing the Risk in Egyptian CABG Patients
Post operative atrial fibrillation (POAF) is one of the most common complications that takes place worldwide after coronary artery bypass surgeries (CABG). Many studies suggest using vitamin C as an additional treatment alongside standard therapies, such as statins and β-blockers, to reduce the risk of postoperative atrial fibrillation (POAF) in patients undergoing (CABG). Supplemental therapy with vitamin C may provide a more robust preventive effect against POAF compared to using statins and β-blockers due to its strong antioxidant effect. This implies that vitamin C can enhance the effectiveness of those medications used for POAF prevention by decreasing oxidative stress induced by the surgery.
There are conflicting data on whether or not vitamin C as an antioxidant has a protective effect against postoperative atrial fibrillation and has a significant role in shortening length of ICU and hospital stay . Even in those studies that show positive relationship of vitamin C in AF prevention, there is a diversity in the dosing regimen of vitamin C used among those previous studies.
To the best of our knowledge, most researches were conducted predominantly within a single geographic region, such as Iran, this raises the concerns about the potential bias and limits our ability to apply the findings to a broader global population.
Here, the investigators aimed to evaluate the effectiveness of vitamin C supplementation and to figure out which dose of vitamin C will prevent post-operative AF and decrease complications such as hospital stay, pneumonia and surgical site infection among older Egyptian adults.
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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Giza, Egypt, 3210001
- El Sheik Zayed Specialized Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion criteria:
- Patients who underwent elective isolated on-pump coronary artery bypass surgery
- Age: 50 to 70 years
- No history of Coronary artery by pass surgery
- Taking maximum tolerated beta-blocker before and after surgery
- Normal left atrium and left ventricle dimensions
Exclusion Criteria:
- preoperative history of Atrial fibrilliation
- permanent pacemaker or significant bradycardia
- Hyperoxaluria or history of nephrolithiasis
- Left ventricular ejection fraction < 40%
- Contraindications to beta-blocker or vitamin C.
- Patients with history of vitamin C consumption before surgery.
- Chronic kidney disease with creatinine >2 mg/dl.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Placebo Comparator: Control group
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A sixty CABG Patients commenced on maximum tolerated dose of b-blocker, statins and placebo capsules containing starch mimic vitamin C capsules was taken every 6 hrs.
The placebo capsules were prepared in the same shape and size as the original ones manufactured by the same pharmaceutical company.
the intervention started one day before operation till the end of hospital stay or development of post operative atrial fibrillation.
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Experimental: GROUP 1 (2g Vitamin C )
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A sixty CABG patients commenced on maximum tolerated dose of b-blocker, statins & vitamin C 500 mg (2 g-daily in 4 divided doses) started one day before operation till the end of hospital stay or development of post operative atrial fibrillation
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Experimental: GROUP 2 (1g Vitamin C )
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A sixty CABG patients commenced on maximum tolerated dose of b-blocker, statins, vitamin C 500 mg (1 g-daily in 2 divided doses) and also received 2 capsules containing starch to be completely equivalent in frequency to the other groups.
the intervention started one day before operation till the end of hospital stay or development of post operative atrial fibrillation.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Postoperative atrial fibrillation (POAF) incidence in patients undergoing coronary artery bypass (CABG) surgery through the administration of vitamin C supplementation compared to placebo group
Time Frame: through hospital stay , an average of 7 days
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Evaluate the effectiveness of perioperative oral vitamin C in prevention for post operative AF following elective on-pump coronary artery bypass surgery in old adult Egyptian. patients during hospital stay. |
through hospital stay , an average of 7 days
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compare between high dose verses low dose of vitaminC
Time Frame: through hospital stay, an average of 7 days
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Quantify the effective dose of perioperative oral vitamin C on the incidence of the POAF during hospital stay following elective on-pump CABG surgery in old adult Egyptian patients.
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through hospital stay, an average of 7 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Lenght of hospital stay
Time Frame: through hospital stay, an average of 7 days
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Estimate the impact of of perioperative oral vitamin C supplementation on hospital length of stay following elective on-pump CABG surgery in old adult Egyptian patients.
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through hospital stay, an average of 7 days
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Vitamin C in POAF prevention
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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