One of the main problems with the newer drugs is their side effects.
Analogues are particularly troublesome, says Cohen, because they have never been tested in humans, so their potential side effects remain a mystery.
But their side-effects can upset the function of the body's immune system, which could be crucial in a severely injured patient, who needs to fight potential infection.
Both of these substances have well-established conventions for their use, and these conventions limit their social side-effects.
DPP-IV drugs are supposed to help patients control their diabetes with fewer side effects than older medicines.
That's good news, especially given some studies showing that one-fifth of all patients go off their medicines because of side effects.
One market for the shot will be the 5% or more of patients who cannot take statins like Lipitor or Crestor because of their muscle-damaging side effects.
But there are tantalizing signs as the FDA prepares to review suvorexant that this drug may be fundamentally different from current sleeping pills like Ambien, Lunesta and Sonata, lacking their rare but troubling side effects, like memory loss and sleepwalking.
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Justices ruled in 2011 that makers of generic drugs cannot be sued for failing to warn consumers of the possible side effects of their products if they copy the exact warnings on the brand-name equivalents of the medicines as required by federal law.
The spokesman said such substances and their use could have "unpredictable side effects including acute psychotic episodes".
The main current treatment for the disease is drugs but their success is limited and the side effects can be significant.
In 1997 he founded American Pharmaceutical Partners to make cancer drugs disguised as human proteins, which reduces side effects while increasing their potency.
The scientists said their extract also produced fewer side-effects.
Moreover, there would surely be side-effects to stimulating their activity.
The research means that children and adults with epilepsy could potentially benefit from the science behind the ketogenic diet without dramatically altering their eating habits or experiencing unpleasant side-effects.
Statins are among the safest drugs on the market, but in patients at very low risk of heart attack, their potential muscle- and liver-damaging side effects become more worrisome.
Austad referenced a very small study of 10 patients by Valter Longo, a gerontologist at USC, in which patients who cut back their calorie intake before getting chemotherapy had fewer side effects.
Dr Stimson and Dr Ferro believe that their contraceptive, too, will have few side-effects.
Freddie Astbury, chairman of Thalidomide UK, said the families had been assured that the side-effects would not occur in their children.
There were no more side effects seen in the vaccine group than their peers.
Oncologists convince their patients to endure chemotherapy with its well-known side effects of going bald and extreme nausea.
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Four of the six people who died had underlying illnesses that compromised their immune systems, making them more susceptible to severe side effects of salmonella infection.
However, some of these can have unpleasant side-effects which cause people to stop taking their medication.
He said doctors could already assess whether a patient was likely to experience side-effects from a particular treatment based on their genetic profile.
The side effects that ultimately emerged with a handful of their most promising candidates are more attributable to the serendipity of human biology than any systematic shortcomings in the Vertex science machine.
Some experienced serious side effects, including three people who died likely because their immune systems attacked healthy tissue.
AstraZeneca and Naurex say their new compounds deliver the rapid benefits of ketamine without the disturbing side effects because they act differently on the NMDA receptor.
Someone, maybe not the parent that brought this child in, but someone chose not to inoculate their kid, perhaps because they feared autism or the other purported side effects.
Some people need electroconvulsive therapy, which blasts their brain with current to jar them out of the blues, risking side effects like memory loss.
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