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Atrial FibrillationPhase 4POMAF-CSNCT03703349

Preoperative Oral Magnesium to Prevent Postoperative Atrial Fibrillation Following Coronary Surgery (POMAF-CS)

A Phase 4 study testing Magnesium Sulfate in people with Atrial Fibrillation and Coronary Artery Disease, run by St Joseph University, Beirut, Lebanon at 1 site in Lebanon.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Post operative atrial fibrillation following coronary surgery (POAF) is a common complication that can affect 10-50% of patients. Intravenous magnesium, administered per-or post-operatively, reduces the incidence of POAF. Read more about this study

Who is it for?
Ages 18 to 100 years
What is being tested?
Magnesium Sulfate
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
200 participants
Where
1 siteLebanon
Study dates
24 Nov 2018to 20 Oct 2019
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 100 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Adult patients
  • Coronary artery disease
  • Planned coronary artery surgery
  • signed informed consent

Who cannot join

  • Preoperative supraventricular dysrhythmia including atrial fibrillation, either acute or chronic
  • Left ventricular EF < 30%
  • Urgent surgery
  • Redo surgery
  • Permanent preoperative pacemaker
  • Preoperative anti arrythmia drugs classes I and III
Show all 12Show fewer
  • Post operative inotrope drugs
  • Postoperative bradycardia necessitating electrosystolic pacing
  • Preoperative heart rate less than 50 bpm
  • documented preoperative dysthryroidism
  • 2nd and 3rd degree atrioventricular bloc
  • Renal failure with GFR < 30 ml/min/1.73 m²

Trial locations and contacts

1 site in 1 country.

Lebanon1 site
  • Hotel Dieu de France

    Beirut, 166830

Other trials in Lebanon

About this study

Official title: Preoperative Oral Magnesium Versus Standard of Care to Prevent Postoperative Atrial Fibrillation Following Coronary Surgery (POMAF-CS): A Randomized Controlled Trial

Post operative atrial fibrillation following coronary surgery (POAF) is a common complication that can affect 10-50% of patients.

Intravenous magnesium, administered per-or post-operatively, reduces the incidence of POAF. However, the effect of preoperative magnesium loading on the incidence of POAF is not yet studied.

200 patients admitted for elective coronary surgery under Cardiopulmonary bypass will be included in this prospective randomized controlled trial.

Treatment group will receive preoperative oral magnesium and control group will receive placebo for 3 days before the planned coronary artery surgery.

The occurrence of POAF will be studied as a main outcome.

Read the detailed description

Post operative atrial fibrillation following coronary surgery (POAF) is a common complication that can affect 10-50% of patients. It is associated with many complications. POAF increases the postoperative length of stay and increases the cost of hospitalization.

Several studies and meta-analyzes have demonstrated the beneficial effect of intravenous magnesium (Mg), administered per-or post-operatively, in reducing the incidence of POAF. However, the effect of preoperative magnesium loading on the incidence of POAF is not yet studied.

The aim of this study is to study the effect of oral Mg, administered preoperatively, on the incidence of POAF.

Following IRB approval, 200 patients admitted for elective coronary surgery under Cardiopulmonary bypass will be included in this prospective randomized controlled trial. Patients will be allocated inn a 1: 1 ratio in 2 groups:

  • Treatment group will receive preoperatively 8 tablets of Mg (3.2 g) per day, at day (-3), day (-2), and day (-1) before the day of planned coronary artery surgery.
  • Control group will receive 8 tablets of placebo daily,at day (-3), day (-2), and day (-1) before the day of planned coronary artery surgery.

The anesthetic and surgical management protocols will be identical for both groups. The occurrence of POAF during the 7 postoperative days, the main outcome of the study, will be recorded, including the number of POAF episodes, their duration, recurrence, and the associated ventricular response rate. From a safety point, the occurrence of complications and the length of hospital stay will be noted.

Being tested
Magnesium Sulfate, Placebo Oral Tablet
Keywords
Coronary artery surgery, oral magnesium, atrial fibrillation, Randomized controlled trial
Medical subject headings
Atrial Fibrillation, Coronary Artery Disease

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Magnesium SulfateDrug

    Also called Magnesium

    Magnesium sulfate will be prescribed by the surgeon / Anesthesiologist and will be taken orally by the patient for the 3 days preceding the surgery

  • Placebo Oral TabletDrug

    Also called Placebo

    Placebo for Magnesium

Study groups in NCT03703349
Study groupRoleWhat they receive
Preoperative oral MagnesiumExperimentalMagnesium sulfate 8 tablets (8 x 0.4 g) per day, PO, for the 3 days preceding the surgical intervention
Receives: Drug: Magnesium Sulfate
ControlPlacebo comparatorPlacebo oral tablet, for Magnesium Sulfate tablets, PO, for the 3 days preceding the surgical intervention
Receives: Drug: Placebo Oral Tablet

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. postoperative atrial fibrillation

    New onset of atrial fibrillation clinically or telemetry detected and confirmed by EKG

    Measured: 7 postoperative days

Secondary outcomes (2)
  1. Ventricular response rate

    Average ventricular rate during atrial fibrillation episodes

    Measured: During the atrial fibrillation episodes

  2. Recurrence of atrial fibrillation

    Relapse of atrial fibrillation following the initial episode

    Measured: 7 postoperative days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted11 Oct 2018
  2. Study start24 Nov 2018
  3. Primary completion20 Oct 2019
  4. Study completion20 Oct 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Model description
Patients will be assigned to the 2 groups of treatment by blocks of 8. The randomization list will be computer-generated, with no factors for stratification. To reduce predictability of the random sequence, blocking will be made unavailable to those who assign interventions.
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
200 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03703349
Sponsor's protocol ID
CEHDF 850
Acronym
POMAF-CS
Status last verified
Apr 2020
First submitted
9 Oct 2018
Last updated
28 Apr 2020
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided: IPD will be made available upon request from researchers who need to perform a meta analysis on the subject. IPD will be sent directly to the requesting party

Publications

  • Tohme J, Sleilaty G, Jabbour K, Gergess A, Hayek G, Jebara V, Madi-Jebara S. Preoperative oral magnesium loading to prevent postoperative atrial fibrillation following coronary surgery: a prospective randomized controlled trial. Eur J Cardiothorac Surg. 2022 Oct 4;62(5):ezac269. doi: 10.1093/ejcts/ezac269.

    PubMed 35451469

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Magnesium Sulfate in people with Atrial Fibrillation and Coronary Artery Disease, run by St Joseph University, Beirut, Lebanon at 1 site in Lebanon.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 28 Apr 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Lebanon. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

postoperative atrial fibrillation (time frame: 7 postoperative days). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03703349, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 28 Apr 2020.

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