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Companies launched 25 new active substances (NAS) in 2007, a decline of 19% from the previous year, according to an August
report from Parexel International. The consulting firm's US Drug Approval Trends and Yearbook 2008–2009 also reveals that
only 16 new molecular entities (NMEs) were approved in the US during 2007. Yet the number of US-marketing applications filed
for NMEs rose to 28 in 2007, a 33% increase from 2006.
"NME and NAS approvals are key measures of new-drug productivity in the biopharmaceutical industry, and these measures tend
to improve based on the volume of new-drug submissions," said Mark Mathieu, director of publications at Parexel, in a press
release. He called the recent increase in the number of NME submissions an encouraging sign.
In the press release, Mathieu also said Parexel's analysis shows that "record percentages of drug-marketing applications that
the US Food and Drug Administration has designated as priority submissions are going straight to approval in the first review
cycle."
Among the NMEs that FDA approved in 2007 were Novartis's (Basel) hypertension drug "Tekturna," GlaxoSmithKline's (London)
breast-cancer treatment "Tykerb," and Merck's (Whitehouse Station, NJ) HIV treatment "Isentress."
