Santhera Announces Successful Outcome of Phase III Study with Catena®/Raxone® in Duchenne Muscular Dystrophy

Jouni Vuorinen (jouni.vuorinen a 4pharma.com), May 22nd 2014

The phase III DELOS trial met the primary endpoint, the difference between Catena®/Raxone® and placebo in the change from baseline to week 52 in Peak Expiratory Flow (PEF as percent predicted, PEF%p). Hospital-based spirometry assessments demonstrated that Catena®/Raxone® significantly reduced the annual decline in PEF%p by 66% compared to patients taking placebo. The average annual decline in PEF%p was 9.0% for placebo (Baseline: 54.3%; Week 52: 45.3% (n=27); p<0.001) versus 3.1% for Catena®/Raxone® (Baseline: 53.1%; Week 52: 50.1% (n=30); p=0.13) for a treatment group difference in change from Baseline to Week 52 of 5.96% (p=0.04).

Santhera further announced that this finding has been corroborated by the results of secondary endpoints assessing respiratory function in all randomized and treated subjects. When measured weekly by the patient at home using the hand-held ASMA-1 device (secondary endpoint), Catena®/Raxone® significantly reduced the annual decline in PEF%p by 80% compared to patients taking placebo. The ASMA-1 device showed a significant 9.0% decline in PEF%p occurred between Baseline and Week 52 in the placebo group (n=31; p<0.001), compared to a non-significant decline of 1.8% in the Catena®/Raxone® group (n=31; p=0.44), for a treatment group difference in change from Baseline to Week 52 of 7.2% (p=0.03).

In summary these outcomes provide clear evidence of a clinical benefit for Catena®/Raxone® in delaying the loss of respiratory function in patients with DMD compared to placebo.

4Pharma felt privileged to be part of the study team and assist Santhera in management, visualization, analysis and reporting of these outstanding study data.

The full data were presented at the Bio€quity Europe 2014 Conference in Amsterdam and are available for download on the Company's website www.santhera.com under Investors/Presentations.

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