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Novartis AG (NVS) Says Psoriasis Drug Trial Results Positive


9/27/2012 7:35:10 AM

September 27, 2012 -- Novartis announced today new Phase II data showing AIN457 (secukinumab) may significantly improve moderate-to-severe plaque psoriasis on the hands, feet and nails when used every week for the first month of treatment, compared to placebo.[1,7] Additional analysis on patients with moderate-to-severe plaque psoriasis also showed that AIN457 may successfully improve quality of life by Week 12 in the study.[8]

"These new AIN457 data are particularly welcome since they demonstrate significant improvement in the signs and symptoms of patients, even when difficult-to-treat areas are involved," said Prof. Kristian Reich, one of the study investigators and Professor of Dermatology, Venereology, and Allergology in Hamburg, Germany. "Many patients with hand, foot or nail psoriasis are restricted in their daily life and work because they may not be able to walk or use their hands, negatively impacting their quality of life."

The results will be presented today at the European Academy of Dermatology and Venereology (EADV) 21st Congress, in Prague, Czech Republic. They provide additional insight into the safety and efficacy of AIN457, following the presentation of the study's primary endpoint at EADV in 2011.

The new data from the sub-analyses undertaken on the Phase II study show AIN457 was nearly three times more effective than placebo at reducing moderate-to-severe plaque psoriasis on the hands and/or feet when given every week during the first month of treatment (54.3% of patients vs. 19.2% respectively, p=0.005), as measured by the Investigator's Global Assessment (IGA).[1] Patients also benefited if they received AIN457 once every four weeks, with 39.0% experiencing either "clear" or "minimal" psoriasis after 12 weeks of treatment.[1] Another analysis found that these AIN457 treatment schedules also notably reduced the signs and symptoms of finger nail psoriasis compared to placebo.[7]

The study safety analysis of these data showed a comparable safety profile between treatment and placebo, with the most common adverse events (AEs) observed being infections.[1,7]

Other new data presented at EADV in the total moderate-to-severe plaque psoriasis study population show that AIN457 improved skin-related quality of life in 25 times more patients after 12 weeks of treatment when given every week for the first month, compared to placebo (40.8% vs. 1.6%, p<0.001), as measured by the Dermatology Life Quality Index (DLQI).[8] In this same treatment group, significantly more patients experienced improvements in pain and discomfort compared to placebo (36.2% vs. -1.5%) from baseline; and in anxiety and depression versus placebo (16.3% vs. 6.2%), as measured by EuroQol (EQ-5D).[8] The effect of psoriasis on patients' health-related quality of life has been shown to be similar to diseases such as cancer, heart attack, arthritis, type 2 diabetes and depression.[9]

"These encouraging results show that through its novel mode of action, AIN457 may significantly increase treatment success and improve the quality of life of patients suffering from moderate-to-severe plaque psoriasis," said John Hohneker, Head of Development for Integrated Hospital Care for the Pharmaceuticals Division of Novartis. "We look forward to receiving the results of the larger-scale and longer-term Phase III studies, which are expected in 2013."

All core pivotal trials for AIN457 in moderate-to-severe plaque psoriasis are on track, involving more than 3,000 patients worldwide, and indicating a high interest from both medical and patient communities. Phase III data in moderate-to-severe plaque psoriasis is expected in 2013, with regulatory submissions to follow shortly thereafter.

About the study

Data are based on a double-blind, parallel group, placebo-controlled Phase II study involving 404 patients, which met its primary endpoint of PASI 75 (Psoriasis Area and Severity Index) responses at Week 12.[10] It was designed to evaluate the safety and efficacy of AIN457 in different regimens (weekly for the first month; once every four weeks; or single dose) of 150 mg given subcutaneously.[10]

The undertaken sub-analyses included assessment of AIN457 treatment efficacy in 131 patients with hand and/or foot psoriasis, often described as palmoplantar psoriasis.[1] All 404 patients were involved in assessing health-related quality of life, and data from 304 patients were used to assess AIN457 treatment efficacy in nail psoriasis.[7,8]

About AIN457

AIN457 is a fully human monoclonal antibody inhibiting interleukin-17A (IL-17A), a key pro-inflammatory cytokine. Proof-of-concept and Phase II studies in moderate-to-severe plaque psoriasis and arthritic conditions (psoriatic arthritis, ankylosing spondylitis and rheumatoid arthritis) have suggested that AIN457 may provide a new mechanism of action for the treatment of immune-mediated diseases.[10-13] The Phase III programs for these potential indications are ongoing, and first interpretable results are expected in 2013 for moderate-to-severe plaque psoriasis and in 2014 for arthritic conditions. Phase II studies are also ongoing in other areas, including multiple sclerosis.

About psoriasis

Approximately 2% of the world's population, or around 125 million patients, are affected by plaque psoriasis, a chronic disease characterised by thick and extensive skin lesions, called plaques, known to cause itching, scaling and pain.[14,15] More than one third of patients with plaque psoriasis suffer from its moderate-to-severe form.[16]

Patients with hand, foot and nail psoriasis endure significantly greater physical disabilities than those whose psoriasis is limited to other parts of the body.[5,6] This includes functional disability, burning sensations, skin soreness, prolonged duration of psoriasis and the risk of joint involvement and secondary infections.[5,6] Estimated to affect between 10% and 55% of all psoriasis patients, nail, hand and foot psoriasis is notoriously difficult to treat and often requires systemic treatment such as biologics to maintain an adequate clinical response.[5,6,17]

References

Paul C, Mroweitz U, Nakayama J et al. Secukinumab, a fully human, anti-interleukin (IL)-17A monoclonal antibody improves signs and symptoms of hand and foot psoriasis: results from a phase II regimen-finding trial. Presented at: 21st Congress of the European Academy of Dermatology and Venereology; 27-30 September, 2012; Prague, Czech Republic. Poster PRA12-0816.

Gaffen SL. Structure and signaling in the IL-17 receptor family. Nat Rev Immunol. 2009;9(8):556-67. 3. Ivanov S, Linden A. Interleukin-17 as a drug target in human disease. Trends Pharmacol Sci. 2009;30(2):95-103. Kopf M, Bachmann MF, Marsland BJ. Averting inflammation by targeting the cytokine environment. Nat Rev Drug Discov. 2010;9(9):703-18.

Radtke MA, Langenbruch AK, Schafer I et al. Nail psoriasis as a severity indicator: results from the PsoReal study. Patient Relat Outcome Meas. 2011;2:1-6

Pettey AA, Balkrishnan R, Rapp et al. Patients with palmoplantar psoriasis have more physical disability and discomfort than patients with other forms of psoriasis: implications for clinical practice. J Am Acad Dermatol. 2003;49(2) :271-275.

Gottlieb AB, Reich K, Philipp S et al. Secukinumab improves signs and symptoms of nail psoriasis: results from a phase II regimen-finding trial. Presented at: 21st Congress of the European Academy of Dermatology and Venereology; 27-30 September, 2012; Prague, Czech Republic. Poster PRA12-0668.

Wilsmann-Theis D, Terui T, Draelos Z et al. Improvement with secukinumab on patient reported skin related quality of life (QoL) and health status among moderate-to-severe plaque psoriasis patients: results from a phase II regimen-finding trial. Presented at: 21st Congress of the European Academy of Dermatology and Venereology; 27-30 September, 2012; Prague, Czech Republic. Poster: PRA12-0822.

Rapp SR, Feldman SR, Exum, ML et al. Psoriasis causes as much disability as other major medical diseases. J Am Acad Dermatol. 1999;41(3):401-407.Leipe J, Grunke M, Dechant C et al. Role of Th17 cells in human autoimmune arthritis. Arthritis Rheum. 2010;62:2876-2885.

Rich P.A. et al. Secukinumab, a new fully human monoclonal anti-Interleukin-17A antibody, in the treatment of moderate-to-severe plaque psoriasis: Interim efficacy and safety data from a phase II regimen-finding trial. Presented at: 20th Congress of the European Academy of Dermatology and Venereology; 20-24 October, 2011; Lisbon, Portugal. Oral presentation FC01.6.

Genovese M, Kellner H, Durez P, et al. Secukinumab treatment improves ACR50, HAQ-DI and EULAR remission rates in patients with rheumatoid arthritis. At: EULAR 2012, The Annual European Congress of Rheumatology; 6-9 June 2012, Berlin, Germany. Abstract 2925.

Baeten D, Sieper J, Emery P, et al. The anti-il17a monoclonal antibody secukinumab (AIN457) showed good safety and efficacy in the treatment of active ankylosing spondylitis. At: EULAR 2011, The Annual European Congress of Rheumatology, 25-28 May 2011, London, UK. Abstract 0174.

McInnes I, Sieper J, Braun J, et al. Anti-Interleukin 17A monoclonal antibody secukinumab reduces signs and symptoms of psoriatic arthritis in a 24-week multicenter, double-blind, randomized, placebo-controlled trial. Presented at: Annual Scientific Meeting of the American College of Rheumatology/Association of Rheumatology Health Professionals; 4-9 November 2011; Chicago, IL. Abstract 19541.

Raychaudhuri SP, Farber EM. The prevalence of psoriasis in the world. J Eur Acad Dermatol Venereol. 2001;15:16-17. Nestle FO, Kaplan DH, Barker J. Psoriasis. N Engl J Med 2009;361:496-509.

Herrier R. Advances in the treatment of moderate-to-severe plaque psoriasis. Am J Health-Syst Pharm 2011;68:795-806.

Farley E, Masrour S, McKey J et al. Palmoplantar psoriasis: a phenotypical and clinical review with introduction of a new quality-of-life assessment tool. J Am Acad Dermatol. 2009;60(6):1024-1031.


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