June 27, 2018 / 7:22 AM / a year ago

AstraZeneca, Merck eye wider cancer drug use after study success

LONDON, June 27 (Reuters) - AstraZeneca’s oncology business received a boost on Wednesday as results of a clinical trial showed its drug Lynparza helped women with ovarian cancer live longer without their disease worsening when given as a first-line treatment.

The result should pave the way for expanded use of the medicine, which is being developed and marketed with Merck & Co under a deal struck last year.

Lynparza is already approved for later use in patients with so-called BRCA genetic mutations. Its success in first-line therapy could expand the number of women with newly diagnosed ovarian cancer who are suitable for the drug by 30-50 percent, AstraZeneca believes.

Lynparza - abandoned at one stage by AstraZeneca but revived by CEO Pascal Soriot when he took over in 2012 - became the first drug in a class known as PARP inhibitors to reach the market when it won U.S. approval at the end of 2014. It now faces competition from rival products made by Tesaro and Clovis Oncology. Based on the strong results seen in the latest Phase III study, known as SOLO-1, AstraZeneca and Merck said they would talk to regulators about approving the earlier use of the medicine in women with BRCA mutations, which can drive tumour growth.

“It is the first time that we see a significant and clinically impactful improvement in progression-free survival in the first-line maintenance setting for women with BRCA-mutated ovarian cancer treated with a PARP inhibitor,” said Sean Bohen, chief medical officer at AstraZeneca.

A spokeswoman said AstraZeneca viewed competitors as 18 months behind in generating similar clinical data. (Reporting by Ben Hirschler, editing by Louise Heavens)

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