AstraZeneca, which is based in London, is seeking accelerated approval, which the agency grants for drugs for life-threatening conditions that improve existing therapy.
Merck said that its drug boceprevir, when added to the existing therapy, effectively cured about two-thirds of patients with hepatitis C. That was far better than the cure rate with the existing therapy alone.
About 75 percent of patients in the trial who got the standard dose of Vertex's drug in combination with the existing treatment were essentially cured, compared with 44 percent of those who got only the existing therapy.
With existing therapy, the survival rate of these relapsing patients is less than 10%.
Glivec was given to patients who weren't helped by existing therapy or couldn't tolerate it; remarkably, the new drug worked in all of them.
The failure of current strategies may be due to advanced disease in hospitalized patients, incomplete therapy, inherent limitations to existing therapy, or some combination of all three factors.
Finally, preliminary evidence for the efficacy of modular protocols is encouraging, and suggests that such design should preserve and could even enhance the efficacy of existing therapy protocols.
Hence, the complexity of existing therapy and adverse effects emphasizes the need for an alternative approach for the management of immune dysfunction associated with obesity.
Randomization is 1 1 to double-blind sitagliptin or matching placebo, in addition to existing therapy in a usual care setting.
In the case when FFF therapy practice should start in some existing therapy vault, no additional shielding measures need to be added at the existing maze door.
The drug is likely to play an important role in very sick MS patients who have not responded to existing therapy, and indeed, the benefits may well outweigh the risk in these patients.
