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01/31/08

Permalink 02:15:00 am, Categories: Voices, 588 words    

Lab rats, corporate science, and the monsters we've all become

Mickey Z.

"Atrocities are no less atrocities when they occur in laboratories and are called medical research." - G. Bernard Shaw

The January 24 Associated Press (AP) story was unashamedly entitled, "Lab rats out of a job." (It made me think if AP writer Michael Hill had covered the liberation of Auschwitz, he'd have declared Europe's Jews to suddenly be "homeless.") In the piece, Hill talks of possible "high-tech alternatives" to animal experimentation. Before you view this as a major scientific and moral step forward, allow me to present Hill's closing salvo: "Taylor Bennett, senior science adviser to the National Association for Biomedical Researchers, said animal testing maintains an essential role in making sure new pharmaceutical products are safe and effective for humans."

Safe and effective? Not so, says Robert Mendelsohn, M.D. "The reason why I am against animal research is because it doesn't work," he explains. "It has no scientific value and every good scientist knows that."

Aysha Z Akhtar, M.D., M.P.H., a senior medical advisor and Jarrod Bailey, Ph.D., a senior research consultant for the Physicians Committee for Responsible Medicine, concur. "The more we study the relevance of animal tests, the more apparent their shortcomings become," Akhtar and Bailey state in a Feb. 9, 2007 letter published in the British Medical Journal. "Even subtle physiological differences between humans and animals can manifest as profound differences in disease physiology and treatment effectiveness and safety. For example, numerous differences in spinal cord physiology and reaction to injury exist between species and even strains within a species. These differences likely contribute to the repeated failure of spinal cord treatments that have tested safe and effective in animals to translate into human benefit."

In addition, say Akhtar and Bailey, "tests in rodents for predicting human carcinogenicity with a false negative rate approaching two-thirds, potentially caus(ed) widespread human exposure to carcinogens." They also point at wonder drugs like Vioxx, which failed to show adverse reactions in animal tests but ended up to be potentially deadly for humans.

"Results from animal tests are not transferable between species, and therefore cannot guarantee product safety for humans," agrees Herbert Gundersheimer, M.D.

"A major shift in our research paradigm is long overdue," declare Akhtar and Bailey. "The move away from animal experiments toward more accurate methods of studying disease and intervention is scientifically superior and more ethical for humanity, as well as for animals."

"Ask the experimenters why they experiment on animals, and the answer is: 'Because the animals are like us,'" says Professor Charles R. Magel. "Ask the experimenters why it is morally OK to experiment on animals, and the answer is: 'Because the animals are not like us.' Animal experimentation rests on a logical contradiction."

If animal experimentation is both ethically indefensible cruelty and speciously spurious science, why are we still subjected to ill-informed media articles like Michael Hill's "Lab rats out of a job"? Dr. Gundersheimer has a possible answer: "In reality (animal) tests do not provide protection for consumers from unsafe products, but rather they are used to protect corporations from legal liability."

(Did I just hear someone shout out "Bingo"?)

As James Baldwin once reminded us: "People who shut their eyes to reality simply invite their own destruction, and anyone who insists on remaining in a state of innocence long after that innocence is dead turns himself into a monster."

-###-

January 31, 2008 Mickey Z. is the author of the forthcoming novel, CPR for Dummies (Raw Dog Screaming Press. He can be found on the Web at http://www.mickeyz.net

Comments, Pingbacks:

Comment from: PFT [Member]
You will be happy to know that agribusiness has taken your concerns to heart. The GM food that you eat has not been tested for chronic toxicity. The people are replacing the lab rats. Hope you feel better.
They do not need legal immunity since they have the FDA that rubber stamps their products as safe since Monsanto runs the FDA food safety division

Nobody uses testing on animals to gurantee safety in people. It is done as a first step to see if testing with people can begin. Testing drugs on rats has the risk of causing false negatives, thats true. The rat may be ok, perhaps because the test duration was too short, the dosage limited, or because the rat was immune from the problems humans would get as a result of differences between species.

However, if the drug causes problems in rats, do you take the chance people will not develop the problem. Of course not. Thats why tests are done on rats, to protect people, even if the results on rats MIGHT be a false positive. You do what you do with the evidence you have. When testing moves on to human trials, meaning the rats did not have problems, then a good trial will find the problems in humans, and the problem found before the product is marketed, or soon afterwards.

The problems with Vioxx was that trial on people showed evidence that people were at risk of heart attacks as early as 1999 and it took 5 years for the drug to be withdrawn. It was not just because the rats testing was negative (assuming results were really negative and not massaged to look negative)
Permalink 02/01/08 @ 00:47
Comment from: garyl [Member]
PFT has a point about the unholy alliance of big pharma and the FDA. But the legal protection corporations get from lab animal tests are not to guarantee approval but for the lawsuits that may occur afterward.

Another reason corporations test on animals is because of outdated, not-very-scientific regulations that date back to a reaction to the Thalidadamide disaster. Which is ironic, since Thalidomide is one of the animal model's greatest failures.

PFT's assertion that rat tests serve as sort of a safety hedge before testing on humans would make more sense if a) there were a closer correlation (positive or negative) between rat data and human data, b) there were less variation amog species' responses to a given drug or suspected toxin, c) there were less intra-animal species variation in response, d) there were less intra-human variation in response, e) there was not so much artifact error in animal tests, e) humans and animals didn't differ in non-linear ways, f) there were not non-animal alternatives to drug tests, such as micro-dosing and studying human enzyme responses.

Even rats and mice only have the same response 70 percent of the time. Try a drug or treatment on several different species and you'll get a whole range of side effects and effectiveness. Which species, if any, models humans? We don't inow until after the fact - which renders the animal model superfluous at best. And which humans? Often men and women, or whites and blacks will differ in their response to a given treatment. Sometimes people with a certain gene need to have more aggresive treatment, or have a severe side effect to the drug. The most common side effects - nausea, headache, etc. - are difficult or impossible to predict from animal tests. Sometimes the male rats react one way and the female rats react another way.

The false positive disasters from relying on animal data are huge. Vioxx and Phen-fen are some of the well-known recent failures. The vast majority of drugs that work safely in animals do not do so in human trials. Clearly, any adherence to the animal model has to be questioned. Clearly we should strive for - and invest in - more accurate and ethical alternatives.

We have to figure in inertia and money into the equation. There's a lot of money in animal tests, and even when superior non-animal alternatives are available, there is amazing reluctance to change the status quo. In vitro tests provide more accurate and quicker results for detecting carcinogeneity, yet the inferior animal methods persist.
Permalink 02/01/08 @ 22:22

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