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Context of 'October 8, 2004: Merck CEO: Vioxx-Heart Problem Link ‘Totally Unexpected’'

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A Merck clinical trial of Vioxx conducted on 978 patients suggests the drug substantially increases the risk of serious cardiovascular events, including heart attack and stroke. Patients who take Vioxx are six times as likely to suffer heart problems than patients taking an alternative painkiller or a placebo. The study, named Study 090, is never published. Merck later says this is because the sample size was not large enough to provide statistically significant data. [US Food and Drug Administration, 2/1/2001, pp. 31-34 pdf file; Topol, 2004; CBS News, 4/28/2005]

Entity Tags: Merck

Timeline Tags: US Health Care

Merck says it does not want to begin developing a plan to analyze the data on the large number of deaths from heart problems that has occurred during a clinical trial for its drug Vioxx (see December 22, 1999 and November 18, 1999). Michael Weinblatt, who is heading the study, sent a request to Merck the month before asking the company to develop such a plan (see December 22, 1999). Merck suggests that they wait and combine the cardiovascular results of this study with the results from other clinical studies for the drug. But Weinblatt is adamant that the company needs to begin analyzing the data immediately, and continues discussing the matter with Merck, which finally agrees to a plan the following month (see Early February 2000). [National Public Radio, 6/8/2006; National Public Radio, 6/8/2006]

Entity Tags: Merck

Timeline Tags: US Health Care

Merck offers Michael Weinblatt, who is heading a clinical trial (see December 22, 1999 and November 18, 1999) for the company’s drug Vioxx, $5,000 a day to sit on a Merck advisory board for 12 days over the next two years. He accepts the offer and signs the contract a few weeks later on March 6. Merck pays him $15,000 up front. [National Public Radio, 6/8/2006; National Public Radio, 6/8/2006]

Entity Tags: Merck, Michael Weinblatt

Timeline Tags: US Health Care

Merck informs the FDA about three fatal heart attacks (deaths 18, 19, and 20) that occurred toward the end of VIGOR, the clinical trial for its drug Vioxx that ended last March (see March 2000). These three deaths were initially left out because they had taken place after a February 10 “cut-off” that had been set at the company’s insistence (see Early February 2000) [National Public Radio, 6/8/2006]

Entity Tags: US Food and Drug Administration, Merck

Timeline Tags: US Health Care

The Food and Drug Administration faxes a warning letter to Raymond Gilmartin, the CEO of Merck, accusing the company of conducting a deceptive promotional campaign for its drug Vioxx. The eight-page letter, referring mostly to events that took place between June 2000 and June 2001, states: “You have engaged in a promotional campaign for Vioxx that minimizes the potentially serious cardiovascular findings that were observed in the VIOXX Gastrointestinal Outcomes Research (VIGOR) study (see March 2000), and thus, misrepresents the safety profile for VIOXX. Specifically, your promotional campaign discounts the fact that in the VIGOR study, patients on VIOXX were observed to have a four to five fold increase in myocardial infarctions (MIs) compared to patients on the comparator non-steroidal anti-inflammatory drug (NSAID), Naprosyn (naproxen).… You assert that Vioxx does not increase the risk of MIs and that the VIGOR finding is consistent with naproxen’s ability to block platelet aggregation like aspirin. That is a possible explanation, but you fail to disclose that your explanation is hypothetical, has not been demonstrated by substantial evidence, and that there is another reasonable explanation, that Vioxx may have pro-thrombotic properties [i.e., cause heart attacks]. You have also engaged in promotional activities that minimize the Vioxx/Coumadin (warfarin) drug interaction, omit important risk information, make unsubstantiated superiority claims against other NSAIDS, and promote Vioxx for unapproved uses and an unapproved dosing regimen.… Your minimizing these potential risks and misrepresenting the safety profile for Vioxx raise significant public health and safety concerns.” The letter also warns the company about a May 2001 press release (see May 22, 2001), which claimed the drug has a “favorable cardiovascular safety profile.” [US Food and Drug Administration, 9/17/2001, pp. 1-2 pdf file]

Entity Tags: Raymond Gilmartin, Merck

Timeline Tags: US Health Care

Raymond Gilmartin, Merck’s chairman and chief executive officer tells the Boston Globe he was “stunned” when he learned a Merck clinical trial had confirmed that Vioxx increased the risk of heart attacks and strokes. “It was totally out of the blue.… This was totally unexpected.” [Boston Globe, 10/9/2004]

Entity Tags: Raymond Gilmartin

Timeline Tags: US Health Care

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