The Future of Allergy Treatment: Ultra-Fast Desensitization
Transcription
The Future of Allergy Treatment: Ultra-Fast Desensitization
The Future of Allergy Treatment: Ultra-Fast Desensitization Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 1 is a Swiss clinical-stage biopharmaceutical company with : a pipeline of innovative proprietary allergy vaccines in development an immunology and peptide research laboratory a management team with strong Pharma and Biotech background Anergis raised CHF 30 M to date from biotech funds and other investors (+ private investors) Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 2 Allergy is a Global Public Health Issue Considerable Medical Need and Market Opportunity > 500 million patients A global pharmaceutical market over € 10 billion/year Fastest growing chronic condition affecting up to 25-30% of the population Allergy Immunotherapy (AIT) is the only long term cure for allergies AIT sales: 1 billion € (+ 8% / year) AIT use has been limited by treatment duration : poor compliance : use of crude extracts : Not for distribution without approval from Anergis | July 2014 3-5 years 50% dropouts at 1 year poor product quality www.anergis.ch [email protected] 3 Ultra-Fast Desensitization in 2 Months Proprietary COP Allergy Vaccines Treatment 1st year 2nd year 3rd year Anergis 5 injections Subcutaneous AIT 50 injections Sublingual AIT Up to 1000 doses AIT: Allergy Immunotherapy Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 4 The Future of Allergy Treatment short-term non-specific symptom relief drugs 2014 2020 short-term non-specific symptom relief drugs Ultra-fast AIT 2-4 billion €/year 3-year AIT 3-year AIT Long term efficacy similar to 3-year AIT Markedly improved convenience and compliance Pharmacoeconomic benefit Source: Business Insights May 2011 Allergic Rhinitis, Anergis external market research and Anergis sales forecasts Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 5 AIT with Contiguous Overlapping Peptides “COP Allergy Vaccines” Allergen COP-1 ANERGIS IP COP-2 COP-3 -------------------------- Long synthetic peptides (40-80 aa) Containing the complete allergen sequence with terminal overlaps No detectable binding to IgEs from allergic patients AIT with COPs in lieu of conventional extracts or allergens AIT: Allergy immunotherapy ; COP: Contiguous Overlapping Peptides ; aa: amino acid ; IP: intellectual property ; IgE : Immunoglobulin G type E Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 6 Advantages of COP Allergy Vaccines No conformational epitopes (no IgE binding) Safe at high dose Safety, allowing increased dosing Much Shorter Treatment Full allergen sequence Optimal B and T cell responses COP presentation similar to allergens Efficacy comparable to conventional AIT Synthetic GMP peptides Two-level patent protection Pharmaceutical Quality Products Strong IP Position AIT: allergy immunotherapy ; IgE: Immunoglobulin type E ; GMP: Good Manufacturing Practices ; IP: Intellectual Property Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 7 COP Allergy Vaccine Pipeline Preclinical Pre-IND AllerT Phase I AN002T AN003T Phase II Phase III AN004T AN005T … Birch pollen AllerDM House dust mites AllerR Ragweed pollen Next Generation COP selection In vitro tests Mice studies Not for distribution without approval from Anergis | July 2014 Manufacturing Toxicology www.anergis.ch Skin tests Phase I/IIa [email protected] Phase IIb 200-300 pts Phase III 800-1200 pts 8 Clinical Proof-of-Concept Trial AllerT (birch) Pre-Phase I/IIa: absence of detectable IgE binding in vitro with sera from allergic patients and in a sensitized mice model No reactions to skin prick tests in allergic patients (clinical trial AN002T) Clinical Phase I/IIa in allergic patients (AN003T) Double-blind, randomized AllerT (15) vs placebo (5) Subcutaneous injections on days 1, 7, 14, 21 and 51 Cumulative dose ~3 years of conventional SCIT Results: Safe and well tolerated Seasonal clinical improvement trend Strong immunological effects Long term vaccine effect (next slide) Anergis results from AllerT Phase I/IIa trial AN003 - The Journal of Immunology, 2011, 186, 107.14 Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 9 Demonstrated Long Term Immune Memory AllerT (birch) Allergen-Specific IgG4 Antibodies after 2nd and 4th Seasons in the Phase 1 Patients Data (median) from blood samples collected in July 2012 from subjects allergic to birch pollen who had received 5 SC injections over 2 months of placebo or AllerT in trial AN003. All within group changes from baseline for placebo are NS. Placebo N=5, AllerT N=15. Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 10 Clinical Phase IIb Trial in 240 patients AllerT (birch) Trial Design Placebo-controlled, double-blind, randomized multicenter (AN004T) Primary: combined symptom and medication score during the birch pollen season Subject screening Pre-seasonal treatment 5 injections / 2 months Oct 2012 – Jan 2013 Nov 2012 – Mar 2013 Birch pollen season Mar-Jun 2013 AllerT 100 µg* (N=79) moderate to severe allergy to birch pollen AllerT 50 µg* (N=79) Results Q3 2013 Placebo (N=82) Safety & Tolerability Symptom & Medication Scores Quality of Life Immunology Markers Scheduled doses: half of target dose on Day 1 followed by target dose on days 7, 14, 28 and 56 Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 11 Demonstrated Reduction of Allergy Symptoms During Seasonal Exposure Rhinoconjunctivitis Symptom and Medication Score daily - AllerT Phase IIb trial (birch allergy) Placebo AllerT Placebo ______ 50µg ______ 100µg ______ Season start: the first of 3 consecutive days with at least 10 pollen grains/mm3 Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 12 Analyses of Efficacy Endpoints Placebo-corrected Least-Square Means (ANCOVA) with 95% Confidence Interval Rhinoconjunctivitis Symptom and Medication Score (Primary) 0.015 0.180 Rhinoconjunctivitis Quality of Life Score (Mini-RQLQ, Juniper et al., Secondary) 0.008 0.011 Results of the primary efficacy analysis on the RSMS during the entire birch pollen season in the modified Intent-to-Treat Population – p values from ANCOVA primary analysis. Least square mean values for RSMS: 0.87 / 0.64 / 0.74. Results of the secondary efficacy analysis on the Total Score of the Mini-RQLQ during the birch pollen season in the modified Intent-to-Treat Population Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 13 Clinical Phase IIb Trial Conclusions AllerT is efficacious In a seasonal trial with natural allergen exposure Improvements in primary and secondary endpoints are clinically meaningful Improvements are similar to marketed 3-year AIT products AllerT is safe and well tolerated No anaphylactic shock or grade 3 immediate (< 30 min) systemic reaction AllerT 50 µg is as efficacious as AllerT 100 µg Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 14 Next Steps Anergis plans to proceed with the following projects AllerT (birch) Clinical Phase III in Europe and USA AllerR (ragweed) pre-IND through Clinical Phase I/IIa AllerDM (dust mites) pre-IND through Clinical Phase I/IIa Discovery of new COP Allergy Vaccines with pharmaceutical partner(s) and investors Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 15 The Future of Allergy Treatment: COP Allergy Vaccines Contact: [email protected] Not for distribution without approval from Anergis | July 2014 www.anergis.ch [email protected] 16