Acne is an inflammatory disease of the skin, caused by changes in the pilosebaseous units (skin structures consisting of a hair follicle and its associated sebaceous gland). The most common form of acne is known as acne vulgaris, which means common acne.

Positive findings for Aczone in acne - QLT

Acne :: Positive findings for Aczone in acne - QLT

QLT Inc. (NASDAQ: QLTI; TSX: QLT) today announced positive results of a Phase IV clinical trial of Aczone? in more than 50 patients with G6PD deficiency that was performed to meet a post-approval commitment requested by the FDA. The purpose of this study was to gather more information about the safety of Aczone, a prescription topical medicine, in treating patients with acne who have certain blood disorders.

During a 6-month period, patients were treated with both Aczone and the Aczone-vehicle (control group) in a cross-over design. An initial analysis of the data was undertaken by third party clinical experts in dermatology and hematology and they have concluded that no clinically meaningful changes in safety-related parameters were observed in the trial. QLT USA intends to submit a label revision supplement to the FDA during the first quarter of 2007. A decision by the FDA on the label review is expected to take approximately 10 months.

?We are pleased with the results of this Phase IV study,? said Bob Butchofsky, President and CEO of QLT. ?Based on the strength of this data we plan to engage the FDA in discussions with a goal of removing the requirement for blood testing for all patients treated with Aczone. QLT USA will decide how best to commercialize the product based on interactions with the FDA.?

About QLT
QLT Inc. is a global biopharmaceutical company specializing in developing treatments for eye diseases as well as dermatological and urological conditions. Together with our subsidiaries, we have combined our expertise in the discovery, development and commercialization of innovative drug therapies with our two unique technology platforms, photodynamic therapy and Atrigel?, to create products such as Visudyne? and Eligard?. For more information, visit our web site at www.qltinc.com

Aczone is a trademark of QLT USA, Inc.
Atrigel is a registered trademark of QLT USA, Inc.
Visudyne is a registered trademark of Novartis AG.
Eligard is a registered trademark of Sanofi-Synthelabo Inc.

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