F2G Receives US FDA Breakthrough Therapy Designation for Olorofim

Monday, November 11, 2019 Drug News
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- In Phase 2b development for the treatment of life-threatening fungal infections

MANCHESTER, England and VIENNA, Nov. 11, 2019 /PRNewswire/ -- F2G Ltd, a UK- and Austria-based biotech company developing novel therapies for life-threatening systemic fungal infections, announced today that the US Food and Drug Administration (FDA) has granted Breakthrough Therapy designation to its lead first-in-class candidate, olorofim (formerly F901318) for the indication of 'Treatment of invasive mold infections in patients with limited or no treatment options, including aspergillosis refractory or intolerant to currently available therapy, and infections due to Lomentospora prolificans, Scedosporium, and Scopulariopsis species'. Olorofim is the first antifungal agent to be granted Breakthrough Therapy designation.

Olorofim is currently being investigated in an open-label single-arm Phase 2b study (ClinicalTrials.gov Identifier: NCT03583164) in patients with proven invasive fungal disease (IFD) or probable invasive aspergillosis (IA) and either refractory disease, resistance, or intolerance to available agents. Olorofim has been well tolerated across more than 10 years of patient dosing days with a median therapy duration of 12 weeks. Preliminary data from this study were provided to the FDA as part of the Breakthrough Therapy designation submission.

Breakthrough Therapy designation is an FDA process designed to expedite the development and review of drugs that are intended to treat a serious or life-threatening condition and is granted based on preliminary clinical evidence indicating that the drug may demonstrate substantial improvement over existing therapies on one or more clinically significant endpoints.

Breakthrough Therapy designation conveys all the features of fast track designation, more intensive FDA guidance on an efficient drug development program, an organisational commitment by FDA to involve senior managers, and eligibility for rolling review and priority review.

Commenting on the news, Ian Nicholson, CEO of F2G Ltd, said: 

"The granting of FDA Breakthrough Therapy designation is a truly transformational step for our company and will support our goal of rapidly developing this novel treatment for patients suffering from serious and life-threatening fungal infections. Olorofim acts via a novel and differentiated mechanism to traditional antifungals, and preliminary data have indicated that it is efficacious in tackling life-threatening invasive fungal infections that cannot be managed with currently approved agents.

"Our Phase 2b programme is on track with over 40 patients recruited in Europe, Australia and the US. We look forward to working closely with the FDA to accelerate development of this therapy for patients having limited or no approved treatment options for an invasive mold infection."

Professor Sharon Chen, Westmead Hospital Sydney and Principal Investigator for the Phase 2b study said:

"This news is very exciting for clinicians caring for patients with these very serious, and devastating mold infections. We have had limited treatment options for many years and now the news about olorofim brings realistic hope that we can cure these previously treatment–refractory infections."

About Olorofim / Clinical trial

The Phase 2b study for olorofim (ClinicalTrials.gov Identifier: NCT03583164) is a global open-label study in patients who have limited treatment options for difficult-to-treat invasive fungal mold infections such as azole-resistant aspergillosis, scedosporiosis, lomentosporiosis, and other rare mold infections. 26 centres are currently open in six countries (AU, BE, ES, NL, USA, IS) and a further 20 will open in 2019/2020. Olorofim is being developed both as IV and oral formulations.

About F2G

F2G is a world-leading UK- and Austria-based biotech company (F2G Ltd and F2G Biotech GmbH) focused on the discovery and development of novel therapies to treat life-threatening invasive fungal infections. F2G has discovered and developed a completely new class of antifungal agents called the orotomides. The orotomides selectively target fungal dihydroorotate dehydrogenase (DHODH), a key enzyme in the de novo pyrimidine biosynthesis pathway. This is a completely different mechanism from that of the currently marketed antifungal agents and gives the orotomides fungicidal activity against a broad range of rare and resistant fungal mold infections. Olorofim (formerly, F901318) is F2G's leading candidate from this class and is in a Phase 2b open-label study focussing on rare and resistant invasive fungal infections such as aspergillosis (including azole-resistant strains), scedosporiosis (including lomentosporiosis). Olorofim has received orphan drug status from the European Medicines Agency for the treatment of invasive aspergillosis and invasive scedosporiosis. Olorofim is being developed both as IV and oral formulations. www.f2g.com

Cision View original content:http://www.prnewswire.com/news-releases/f2g-receives-us-fda-breakthrough-therapy-designation-for-olorofim-300954815.html

SOURCE F2G Ltd.



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