SIFI announces allowance of patent on polihexanide for Europe and commercial launch of AKANTIOR® in Germany

The Patent grant follows SIFI's findings in the Phase 3 clinical trial, where AKANTIOR® (polihexanide 0.08%) demonstrated an 86% clinical resolution rate in AK, with an average time-to-cure of approximately 4 months. The Patent also covers the novel dosing regimen of 16 drops/day for first 5 days, 8 drops/day for the following 7 days, 6 drops/day for the following 7 days and 4 drops/day until clinical resolution. The proven dosing regimen represents also a major improvement in patients' quality of life, as it allows during the initial and most intensive phase of the treatment daytime-only instillation of a single medicinal product compared to 24 hourly instillations of up to 3 off-label or unlicensed drugs used as best supportive care until now.

Following the granting of a marketing authorisation for the treatment of AK by the European Commission in August, SIFI is launching AKANTIOR® in Germany, where the product will be commercially available from Oct. 1^st. Additional European markets will follow based on local early access and reimbursement process timelines.

"The granting of the European Patent further demonstrates the innovative profile of our asset for rare corneal infectious diseases, that are very severe and difficult to resolve." Fabrizio Chines, Chairman and CEO of SIFI. "The launch of Akantior® in Germany also marks a significant milestone in our corporate development, establishing a direct presence in Europe's largest pharmaceutical market."

SIFI's polihexanide received two orphan drug designation ("ODD") from the US Food and Drug Administration for the treatment of AK and FK, and an additional ODD from the European Medicines Agency for the treatment of FK.

ABOUT AKANTIOR^®: AKANTIOR (polihexanide 0.08%) is the first approved drug for the treatment of AK in the world. It is an anti-amoebic polymer that acts on both the trophozoites and cysts of the protozoan acanthamoeba. It is formulated at a 0.8mg/ml (0.08%) concentration which makes it possible to administer as monotherapy eye drops in single-dose containers.

ABOUT AK: AK is an ultra-rare, acute, severe parasitic corneal infection caused by acanthamoeba, a free-living amoeba, although incidence of AK has been rapidly growing in recent years. AK is an ocular emergency and requires urgent treatment to save the eye. It can lead to poor vision, potential blindness, or even eye loss and often requires single or multiple corneal transplants. It affects people of all ages, most of whom are young or middle-aged soft contact lens wearers. Patients report unbearable pain and extreme light sensitivity and can rarely work or lead normal lives until symptoms resolve.

ABOUT SIFI: SIFI is a leading international ophthalmic company, headquartered in Italy, featuring an integrated business model, from research & development to manufacturing and commercialization both in pharmaceutical and biomedical sectors. Since our foundation in 1935, our mission is to improve people's lives through meaningful innovation in eye care. SIFI exports to more than 40 Countries worldwide with a direct presence in major European markets, Mexico and, through joint ventures, in China and the United Arab Emirates. More information available at www.sifigroup.com

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