While scanning through various publications, we now get to know, almost at regular intervals, about new clinical trials capturing the newer ways of treating different ailments. Such information instils an invigorating hope in the minds of doctors and the patients alike, to more successfully and predictably fight the battle against diseases in the ongoing pursuit for a better quality of life.
However, for independent and impartial assessment of any new drug before it comes to the market, an ethical and transparent process of unveiling clinical trials, sans any reticence whatsoever, are absolutely essential. Only this process would be able to satisfactorily establish, beyond an iota of doubt, the safety and efficacy levels of, especially, the new drugs. To move in that direction, the fundamental requirements will be diligently recording and publishing all types of data – positive, not so positive, and also negative, arising out of all clinical trials, conducted anywhere in the world, for the same drug.
Thus, there should be a system of open access to all clinical trial data, as each trial is completed. Otherwise, pharma companies’ publication bias, overwhelmingly on positive results, would continue, as alleged by many across the world. It is worth noting that over 60 percent of all clinical trials for new drugs are sponsored by the pharma and biotech companies.
There isn’t any dearth of examples of new drugs’ getting not just the required regulatory approval, riding on the back of robust ‘positive’ clinical trial data on safety and efficacy, but also becoming highly dependable money-spinners for the companies, and in no time, as it were. These cash churning new brands would also get well protected for monopolistic pricing all through their respective patent life, and sometimes even after that, in various different ways.
Nevertheless, at a later date, mostly post patent expiry, not all pre-launch new drug trials could be universally accepted as robust and conclusive, especially on their efficacy and safety claims. On the contrary, a number of detailed and deep-stick independent studies indicate that some new drugs are, in fact, much less effective, if not ineffective, and cause more serious side effects than what were published earlier.
Hence, some critical questions are now being asked by many stakeholders, with greater assertiveness than ever before and backed by solid evidence, in this arena. Although it has now started creating a snowballing effect, still, nothing much seems to have changed on the ground, just yet.
Why aren’t all clinical trial results, and for all new drugs not still published, or otherwise made available for public scrutiny, unveiled, and of course after protecting any reasonable commercial interest? Does business consideration, then continue to prevail over the need for transparency in clinical trial data disclosure for patients’ health and safety? The sneaking fear behind the reasons of this reticence of pharma players, in general, continues to torment many. I shall discuss this point in this article backed by recently published data.
Not a recent trend:
This isn’t a recent trend either, and continuing for decades, without any effective remedial measures by the appropriate authorities. I would give just a couple of examples, one from 1998 and the other from 2014, to drive home this point.
A British Journal of Clinical Pharmacology (BJCP) article, published way back in August 1998 would vindicate this point. This study revealed the following on clinical trial data:
“Substantial evidence of selective reporting was detected, since trials with positive outcome resulted more often in submission of final report to regulatory authorities than those with inconclusive or negative outcomes.”
Another study published on September 10, 2014 in the Journal of American Medical Association (JAMA) states as follows:
“Thirty-five percent of published reanalysis led to changes in the findings that implied conclusions different from those of the original article about the types and number of patients who should be treated.”
That said, I shall now focus on a very recent controversy in this area, related to a blockbuster drug that has now gone off-patent.
A contemporary example:
Statin class of drugs, especially, Atorvastatin is one of many such examples.
Pfizer launched Atorvastatin with the brand name Lipitor in early 1997. At that time, it was the fifth in the statin class of drugs for the treatment of hyperlipidemia.
It was launched on the back of a 1996 clinical study that concluded, Lipitor reduces bad cholesterol significantly more than the other statins, from the very onset of treatment to as long as the treatment continues. After that it’s a history in the pharma industry, Pfizer marketing turned it into the best-selling drug ever, in the history of pharmaceuticals, so far.
Over 14.5 years, Lipitor reportedly made over US$ 125 billion in sales, and provided up to a quarter of Pfizer Inc.’s annual revenue for years.
Product claim – then:
Claiming that in ‘one year alone, statins reduced numerous cases of cardiovascular-related complications and saved thousands of lives’, a Pfizer Paper on “The Value of Statin”, reiterated the drug’s role both in the treatment and prevention of Coronary Artery Diseases (CAD). I am quoting below from this paper to cite just one example each – treatment and prevention:.............
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