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Biofrontera AG: Biofrontera AG announces initiation of clinical studies

Leverkusen (pta032/16.11.2021/14:55 UTC+1) Leverkusen, Germany, November 16, 2021 - Biofrontera AG (NASDAQ: BFRA; Frankfurt Stock Exchange: B8F) (the "Company"), an international biopharmaceutical company, announces that two clinical studies for its prescription drug Ameluz® in the United States are being started with site initiations currently in progress, seven sites for the phase two study for the treatment of moderate- to- severe acne in adults as well as eight sites for the phase I safety study evaluating the safety of photodynamic therapy (PDT) with the simultaneous application of three tubes of Ameluz®.

"Both studies are focused on optimizing market positioning and expanding market share for our FDA-approved prescription drug Ameluz® for photodynamic therapy in our largest market, the United States," says Hermann Lübbert, CEO of Biofrontera AG. "Site initiations for both studies are underway with patient recruitment to start before the end of the year."

Ameluz® gel in combination with PDT using the BF-RhodoLED® lamp, is currently indicated by the FDA for the lesion-directed and field-directed treatment of actinic keratoses (AK) of mild-to-moderate severity on the face and scalp.

In the multicenter, randomized, double-blind, four-arm study, 126 patients aged 16 and over suffering from moderate to severe acne are treated with Ameluz® PDT or placebo. The efficacy of Ameluz®-PDT is being tested with incubation durations of one and three hours compared to placebo. The primary endpoint of the study is the absolute change in the number of inflammatory lesions and a minimum improvement in symptoms as assessed by the physician conducting the study.

The second study is a non-randomized, open-label, multicenter study to evaluate the safety and tolerability of Ameluz in the treatment of AK located on the face and scalp with PDT together with the new BF-RhodoLED® XL lamp. The study includes 100 patients with mild to severe AK. Each patient will receive the content of 3 tubes of Ameluz for a field-directed treatment. This study comes on the back of a maximal-usage pharmacokinetics (PK) clinical study completed in early 2021. The study results from that PK study were presented to the FDA earlier this year. Following that meeting, the FDA requested another safety study focusing on transient application site effects before amending the product information, which currently limits the use to one tube of Ameluz® per treatment, then allowing up to three tubes per treatment (see Biofrontera AG press release dated June 22, 2021).

Ameluz® together with the PDT-lamp BF-RhodoLED® and its successor model BF-RhodoLED® XL is being marketed by Biofrontera Inc, a US-based affiliate of Biofrontera AG under an exclusive license and supply agreement for the United States.

Biofrontera AG
Anke zur Mühlen, Investor Relations

About Biofrontera:
Biofrontera AG is a biopharmaceutical company specializing in the development and sale of dermatological drugs and medical cosmetics.
The Germany-based company develops and markets innovative products for the care, protection and treatment of the skin. The company's lead product is the combination of Ameluz®, a topical prescription drug, and medical device BF-RhodoLED® for the photodynamic therapy of certain superficial skin cancers and their precursors. Ameluz® has been marketed in the EU since 2012 and in the United States since May 2016. In the EU, the company also sells the dermocosmetics series Belixos®, which offers specialized care for damaged or diseased skin.

Biofrontera is the first German founder-led pharmaceutical company to receive a centralized European and a US approval for a drug developed in-house. The Biofrontera Group was founded in 1997 by the current CEO Prof. Dr. Hermann Lübbert and is listed on the Frankfurt Stock Exchange (Prime Standard) and on the US


Emitter: Biofrontera AG
Hemmelrather Weg 201
51377 Leverkusen
Contact Person: Investor Relations
Phone: +49 (0) 214 87 63 20
ISIN(s): DE0006046113 (Share)
Stock Exchange(s): Regulated Market in Dusseldorf, Frankfurt; Free Market in Berlin, Munich, Stuttgart, Tradegate
Other Stock Exchanges: Nasdaq