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Atrial FibrillationPhase 2/3PRESERVE-SRNCT03162120

Comparison of Effectiveness of Ranolazine Plus Metoprolol Combination vs. FlecainidE pluS Metoprolol Combination in ATrial Fibrillation Recurrences FOllowing PhaRmacological or Electrical CardioverSion of AtRial Fibrillation

A Phase 2/3 study testing Ranolazine plus Metoprolol Combination and FlecainidE pluS Metoprolol Combination in people with Atrial Fibrillation and Recurrence, run by Elpen Pharmaceutical Co. Inc..

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

Atrial fibrillation (AF) is the most common arrhythmia in clinical practice with a prevalence reaching 5% in patients older than 65 years and an incidence that increases progressively with age.1 According to the most recent guidelines, class Ic anti-arrhythmic drugs are considered the first line treatment in patients… Read more about this study

Who is it for?
Ages 18 to 90 years
Conditions the study is for
Atrial Fibrillation, Recurrence
What is being tested?
Ranolazine plus Metoprolol Combination and FlecainidE pluS Metoprolol Combination
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
No sites listed yet
Study dates
1 Sep 2018to 1 Dec 2018
Phase
Phase 2/3
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 90 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • patients with AF
  • recently converted to sinus rhythm (>24hrs and < 7 days)
  • admitted in the 3rd University Cardiology Clinic of Ippokrateion Hospital
  • eligible to participate in the study and follow the study procedures
  • signed informed consent

Who cannot join

  • use of IC antiarrhythmic agents or
  • Sotalol during the last 48 hours,
  • chronic use of oral or intravenous Amiodarone for the last 48 hours,
  • recent acute coronary syndrome,
  • heart failure New York Heart Association class III or IV,
  • severe left ventricular dysfunction with left ventricular ejection fraction <40%,
Show all 14Show fewer
  • atrioventricular conduction disorders (atrioventricular block,
  • complete left bundle branch block and bi-fascicular block),
  • heart rate < 50 bpm,
  • sick sinus syndrome,
  • thyroid dysfunction and severe pulmonary, renal, or
  • liver disease
  • - not eligible to participate in the study and follow the study procedures
  • no signed informed consent

About this study

Official title: A Single Site, Interventional, Comparative Study to Evaluate the Safety and Efficacy of Ranolazine Plus Metoprolol Combination vs. FlecainidE pluS Metoprolol Combination in ATrial Fibrillation Recurrences

Atrial fibrillation (AF) is the most common arrhythmia in clinical practice with a prevalence reaching 5% in patients older than 65 years and an incidence that increases progressively with age.1 According to the most recent guidelines, class Ic anti-arrhythmic drugs are considered the first line treatment in patients without significant structural heart disease. Flecainide is effective in preventing AF recurrences in 31-61% of cases according to different studies.2-5 A recent study showed that the combination of Flecainide and Metoprolol improves effective rhythm control in patients with persistent symptomatic AF compared to Flecainide or Metoprolol alone.6 In contrast, the combination of Flecainide and Metoprolol conferred no significant benefit over Flecainide alone in patients with paroxysmal AF. This suggests different underlying mechanisms for paroxysmal and persistent AF. Pulmonary veins are likely the main focus triggering paroxysmal AF while in persistent AF the role of pulmonary veins is less important.

Read the detailed description

Ranolazine (RN) is a novel antianginal agent with increasingly appreciated antiarrhythmic properties that can suppress ventricular and supraventricular arrhythmias including AF. The antiarrhythmic actions of RN are mainly attributed to its ability to block INa, INaL, and the rapidly activating delayed rectifier potassium current (IKr).7 In experimental studies, RN proved very effective in suppressing late phase 3 early afterdepolarization and delayed afterdepolarization mediated triggered activity in pulmonary vein sleeves.8 RN was shown very effective in suppressing persistent, vagally mediated AF in animal models.9 Clinical evidence of an AF-suppressing effect of RN comes mainly from small caliber studies. Murdock et al, reported a high conversion rate (72%) after administration of 2,000 mg of RN (in a "pill-in-the-pocket" fashion) in patients with short lasting (<48 hours) new onset paroxysmal AF.10 Our group demonstrated both the superior efficacy and the accelerated action of the combined therapy of Amiodarone with RN compared to Amiodarone alone in patients with paroxysmal AF. Notably, the efficacy benefit of this combination was more pronounced in patients with dilated left atria which is also more likely to occur in cases of persistent AF.11, 12 In a prospective, randomized, double-blind, placebo-control phase II study, different doses of RN were tested in the prevention of AF recurrence after successful electrical cardioversion. Despite the fact that the study did not reach its primary end-point since none of the individual doses of RN significantly delayed the time to first AF recurrence as compared with placebo, an antiarrhythmic efficacy for the two higher doses of RN (500 and 750mg bd) was strongly suggested. The same study confirmed the safety of RN with no evidence for proarrhythmia.13 Notably, beta-blockers were used in less than 50% of patients studied in this study.

Although the efficacy of beta-blockers in the maintenance of sinus rhythm is low, the addition of a beta-blocker to an antiarrhythmic agent that exerts its action by inhibiting inward Na+ current like RN and Flecainide may represent an interesting approach in preventing AF relapse. Various laboratory studies have demonstrated that inward Na+ current could be modulated by beta-adrenergic receptors in a variety of cell lines.14, 15 In this context, the beta-blocking activity of Amiodarone or Dronedarone may account for the successful combination with RN in suppressing AF in either experimental or clinical studies.

Being tested
Ranolazine plus Metoprolol Combination, FlecainidE pluS Metoprolol Combination
Medical subject headings
Atrial Fibrillation, Recurrence

What participants receive

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

  • Ranolazine plus Metoprolol CombinationDrug

    Also called RM group

    Ranolazine plus Metoprolol Combination in ATrial Fibrillation Recurrences FOllowing PhaRmacological or Electrical CardioverSion of AtRial Fibrillation

  • FlecainidE pluS Metoprolol CombinationDrug

    Also called FM group

    FlecainidE pluS Metoprolol Combination in ATrial Fibrillation Recurrences FOllowing PhaRmacological or Electrical CardioverSion of AtRial Fibrillation

Study groups in NCT03162120
Study groupRoleWhat they receive
Ranolazine plus Metoprolol CombinationActive comparatorRanolazine plus Metoprolol Combination in ATrial Fibrillation Recurrences FOllowing PhaRmacological or Electrical CardioverSion of AtRial Fibrillation
Receives: Drug: Ranolazine plus Metoprolol Combination
FlecainidE pluS Metoprolol CombinationActive comparatorFlecainidE pluS Metoprolol Combination in in ATrial Fibrillation Recurrences FOllowing PhaRmacological or Electrical CardioverSion of AtRial Fibrillation
Receives: Drug: FlecainidE pluS Metoprolol Combination

What is being measured

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

  1. Number of 1-year-recurrences

    efficacy and safety of the combination of RN and Metoprolol vs. the combination of Flecainide and Metoprolol in preventing AF recurrences during a 1-year follow-up period in patients with AF of longer than 24-hour duration who were cardioverted to sinus rhythm either pharmacologically or electrically

    Measured: 12 months

Secondary outcomes (1)
  1. Number of 48-hours-recurrences

    Time to the first documented AF recurrence excluding patients with recurrences in the first 48 hours

    Measured: 48 hours

Timeline

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

  1. First posted22 May 2017
  2. Study start1 Sep 2018 (estimated)
  3. Primary completion1 Dec 2018 (estimated)
  4. Study completion1 Dec 2018 (estimated)

Why it stopped: new study type, it will be re-organiZed as an Investigator Initiated Study (IIS)

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 2/3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03162120
Sponsor's protocol ID
IIS-EL-VASS-2017
Acronym
PRESERVE-SR
Status last verified
Dec 2018
First submitted
17 May 2017
Last updated
13 May 2019
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Stewart S, Hart CL, Hole DJ, McMurray JJ. Population prevalence, incidence, and predictors of atrial fibrillation in the Renfrew/Paisley study. Heart. 2001 Nov;86(5):516-21. doi: 10.1136/heart.86.5.516.

    PubMed 11602543
  • Aliot E, Capucci A, Crijns HJ, Goette A, Tamargo J. Twenty-five years in the making: flecainide is safe and effective for the management of atrial fibrillation. Europace. 2011 Feb;13(2):161-73. doi: 10.1093/europace/euq382. Epub 2010 Dec 7.

    PubMed 21138930
  • Anderson JL, Gilbert EM, Alpert BL, Henthorn RW, Waldo AL, Bhandari AK, Hawkinson RW, Pritchett EL. Prevention of symptomatic recurrences of paroxysmal atrial fibrillation in patients initially tolerating antiarrhythmic therapy. A multicenter, double-blind, crossover study of flecainide and placebo with transtelephonic monitoring. Flecainide Supraventricular Tachycardia Study Group. Circulation. 1989 Dec;80(6):1557-70. doi: 10.1161/01.cir.80.6.1557.

    PubMed 2513143
  • Naccarelli GV, Dorian P, Hohnloser SH, Coumel P. Prospective comparison of flecainide versus quinidine for the treatment of paroxysmal atrial fibrillation/flutter. The Flecainide Multicenter Atrial Fibrillation Study Group. Am J Cardiol. 1996 Jan 25;77(3):53A-59A. doi: 10.1016/s0002-9149(97)89118-7.

    PubMed 8607392
  • van Wijk LM, den Heijer P, Crijns HJ, van Gilst WH, Lie KI. Flecainide versus quinidine in the prevention of paroxysms of atrial fibrillation. J Cardiovasc Pharmacol. 1989 Jan;13(1):32-6. doi: 10.1097/00005344-198901000-00005.

    PubMed 2468933
  • Capucci A, Piangerelli L, Ricciotti J, Gabrielli D, Guerra F. Flecainide-metoprolol combination reduces atrial fibrillation clinical recurrences and improves tolerability at 1-year follow-up in persistent symptomatic atrial fibrillation. Europace. 2016 Nov;18(11):1698-1704. doi: 10.1093/europace/euv462. Epub 2016 Feb 17.

    PubMed 26893497
  • Fragakis N, Koskinas KC, Vassilikos V. Ranolazine as a promising treatment option for atrial fibrillation: electrophysiologic mechanisms, experimental evidence, and clinical implications. Pacing Clin Electrophysiol. 2014 Oct;37(10):1412-20. doi: 10.1111/pace.12486. Epub 2014 Aug 19.

    PubMed 25138058
  • Sicouri S, Glass A, Belardinelli L, Antzelevitch C. Antiarrhythmic effects of ranolazine in canine pulmonary vein sleeve preparations. Heart Rhythm. 2008 Jul;5(7):1019-26. doi: 10.1016/j.hrthm.2008.03.018. Epub 2008 Mar 21.

    PubMed 18598958
  • Burashnikov A, Di Diego JM, Zygmunt AC, Belardinelli L, Antzelevitch C. Atrium-selective sodium channel block as a strategy for suppression of atrial fibrillation: differences in sodium channel inactivation between atria and ventricles and the role of ranolazine. Circulation. 2007 Sep 25;116(13):1449-57. doi: 10.1161/CIRCULATIONAHA.107.704890. Epub 2007 Sep 4.

    PubMed 17785620
  • Murdock DK, Reiffel JA, Kaliebe J, Larrain G. The Conversion of Paroxysmal or Initial Onset Atrial Fibrillation with Oral Ranolazine: Implications for a New

  • Fragakis N, Koskinas KC, Katritsis DG, Pagourelias ED, Zografos T, Geleris P. Comparison of effectiveness of ranolazine plus amiodarone versus amiodarone alone for conversion of recent-onset atrial fibrillation. Am J Cardiol. 2012 Sep 1;110(5):673-7. doi: 10.1016/j.amjcard.2012.04.044. Epub 2012 May 22.

    PubMed 22621799
  • Koskinas KC, Fragakis N, Katritsis D, Skeberis V, Vassilikos V. Ranolazine enhances the efficacy of amiodarone for conversion of recent-onset atrial fibrillation. Europace. 2014 Jul;16(7):973-9. doi: 10.1093/europace/eut407. Epub 2014 Jan 27.

    PubMed 24473502
  • De Ferrari GM, Maier LS, Mont L, Schwartz PJ, Simonis G, Leschke M, Gronda E, Boriani G, Darius H, Guillamon Toran L, Savelieva I, Dusi V, Marchionni N, Quintana Rendon M, Schumacher K, Tonini G, Melani L, Giannelli S, Alberto Maggi C, Camm AJ; RAFFAELLO Investigators (see Online Supplementary Appendix for List of Participating Centers and Investigators). Ranolazine in the treatment of atrial fibrillation: Results of the dose-ranging RAFFAELLO (Ranolazine in Atrial Fibrillation Following An ELectricaL CardiOversion) study. Heart Rhythm. 2015 May;12(5):872-8. doi: 10.1016/j.hrthm.2015.01.021. Epub 2015 Jan 17.

    PubMed 25602175
  • Kirstein M, Eickhorn R, Langenfeld H, Kochsiek K, Antoni H. Influence of beta-adrenergic stimulation on the fast sodium current in the intact rat papillary muscle. Basic Res Cardiol. 1991 Sep-Oct;86(5):441-8. doi: 10.1007/BF02190712.

    PubMed 1662947
  • Schubert B, Vandongen AM, Kirsch GE, Brown AM. Inhibition of cardiac Na+ currents by isoproterenol. Am J Physiol. 1990 Apr;258(4 Pt 2):H977-82. doi: 10.1152/ajpheart.1990.258.4.H977.

    PubMed 2158748

Questions about this trial

What is this clinical trial studying?

A Phase 2/3 study testing Ranolazine plus Metoprolol Combination and FlecainidE pluS Metoprolol Combination in people with Atrial Fibrillation and Recurrence, run by Elpen Pharmaceutical Co. Inc..

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 5 inclusion and 14 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: withdrawn, as of the sponsor's last update on 13 May 2019. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

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

What does this combined phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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 was withdrawn before enrolling participants, so there are no results.

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?

Number of 1-year-recurrences (time frame: 12 months). 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 NCT03162120, which also lists 17 linked publications.

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 13 May 2019.

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