Multaq: Increased Risks Of Side Effects, Including Death, Outweigh Any Benefits Say Researchers Who Reviewed Clinical Data

In Addition, They Are Highly Critical Of Relationship The Sanofi Aventis Drug Company Had With Those Doctors Who Developed Prescribing Guidelines

(Posted by at DrugInjuryWatch.com)

As we know, now, since being approved by the FDA in 2009 and soon becoming an often-prescribed atrial fibrillation drug, Multaq has been associated with increased risks of serious side effects, including liver failure, interstitial lung disease (ILD), stroke, and sudden cardiac death.

In the February 2014 edition of JAMA Internal Medicine one finds this rather hard-hitting article, "Dronedarone for Atrial Fibrillation: The Limited Reliability of Clinical Practice Guidelines".

From the Abstract for this recent medical journal article about the highly controversial heart drug Multaq, we get this information:

Concerns have been expressed about the reliability of clinical practice guidelines. We analyzed 3 guidelines from medical specialty societies about [Multaq (dronedarone hydrochloride)], an antiarrhythmic drug related to amiodarone hydrochloride, for treatment of patients with atrial fibrillation….  In our analysis, as a rate control drug, [Multaq (dronedarone)] was better than placebo only for a surrogate outcome (heart rate). As a rhythm control drug, [Multaq (dronedarone)] was associated with 13 (95% CI, -15 to 61) excess deaths per 1000 patients treated as compared with placebo. Compared with amiodarone, [Multaq (dronedarone)] was less effective (214 [95% CI, 130 to 294] more recurrences of atrial fibrillation per 1000 patients treated) and similarly tolerated (-28 [95% CI, -69 to 33] more serious adverse events requiring drug suspension per 1000 patients treated)….  Our findings raise questions about the reliability of these clinical practice guidelines, as well as the financial associations between many of the panel members and [Sanofi-Aventis (the manufacturer)] of [Multaq (dronedarone)].

While that excerpt may read a bit dense for most of us, the importance and significance of this February 2014 JAMA Internal Medicine Special Communications piece is presented well by this report, "Dronedarone and Clinical Guidelines: A Dark Chapter That Must Be Reread", that was published on the Medscape website.

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From that Medscape article by reporter John Mandrola:

This week, in a special communication to JAMA Internal Medicine, a group of Italian investigators performed a systematic review of the evidence base for [Multaq (dronedarone)] and came to the conclusion that if a drug as dubious as [Multaq (dronedarone)] could find its way into clinical guidelines there must be a major problem with the entire process — a reliability problem….

The story of how a marginally effective and perhaps even hazardous drug made it to first-line status of major guideline documents is a hard image to revisit. Also difficult to look back at were the lavish steakhouse dinners, the webinars, the "sponsored" programs, and then the result: legions of general cardiologists and primary-care doctors prescribing [Multaq (dronedarone)] en masse. With [Multaq (dronedarone)], for a time at least, hype trounced science….

In 2009, Dr Allen Sniderman (McGill University, Montreal, Canada) and Dr Curt Furberg (Wake Forest University, Winston-Salem, North Carolina) wrote in the Journal of the American Medical Association that guideline-making needed reform.They offered seven commonsense suggestions to improve the current morass. These included simple but obvious things such as bringing epidemiologists and statisticians into the fold, not publishing recommendations as unanimous unless they were unanimous, posting a preliminary version of the statement online for comments, providing independent scientific review, providing full and complete financial disclosures, and insisting on stricter rules governing conflict of interest for both individuals and medical societies.

It seems no one listened. It's time now. Better late than never.  [emphasis added; footnotes omitted]

Our hat is off to the Italian medical researchers who wrote this medical journal article about the dangers of Multaq together with the drug's lack of efficacy, and to reporter John Mandrola for connecting the dots as well as putting this research about the Multaq prescribing guidelines into perspective for us.

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5 responses to “Multaq: Increased Risks Of Side Effects, Including Death, Outweigh Any Benefits Say Researchers Who Reviewed Clinical Data”

  1. C M Finley Avatar
    C M Finley

    Thank you for this information. I have been taking amiodarone for a couple of years and would like to find a better medication. I was put on Multaq originally and (fortunately, I now think) found that it upset my stomach and made me feel unwell in general. I have no similar problems with amiodarone, but I have macular degeneration in one eye and am told that traces of a side effect of amiodarone are visible in the retina of the other eye. Losing the sight in that eye would make me blind. But there does not appear to be an alternative and any thoughts I had about trying Multaq again have been dispelled by this article. I had a (minor) episode of tachycaria ten days ago, so the quest goes on. Any comments would be appreciated.
    CMF

  2. Gail Whitfield Avatar
    Gail Whitfield

    Been on Multaq for several years
    Lately gained weight, have had scary vision issues feel unwell most of the time my EP cardiologist
    accused me Of making up symptoms I am over 65 female and accustom of MD’s not listening. Having breathing problems too pulmonologist says nothing wrong. Are the just not testing for the right things.? I also have a pacemaker..

  3. J. Copeland Avatar
    J. Copeland

    I have been on Multaq for close to a year now and my Afib symptoms are under control.
    I am having the following symptoms since taking Multaq: Poor sleep, shortness of breath ( improving ), dry cough, low energy, mouth breathing at night due to sinus issues.

  4. Matthew Benedict Avatar
    Matthew Benedict

    I had been on multaq for 3 years and developed hepatic enecepholopathy, along with confusion,too slow of a heart rate, and terrible decision making on my behalf. Once I found out I could be affected adversely, I stopped taking it. I let my primary know. I had complained about numbness and constant pain in my arms hands fingers and feet. My former heart Dr. Told me the benefits outweigh the side effects. In short – on it pain confusion and liver damage, off it no stub,perfect blood pressure 112/60 and mental state improving. I need help figuring this out as it has definitely contributed to ruining the last three years of my life. Thank you.

  5. Tom Lamb Avatar

    Thank you for your email inquiry.
    Please understand, however, that because I am not a physician but only an attorney I am not in a position to give any medical opinion as regards your situation.
    I point out, however, the FDA advises that patients should not stop taking any prescription drug without seeking the advice of their medical doctor.
    I wish you the best in all aspects going forward.
    Tom Lamb

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