Fourth-Quarter and Full-Year 2019 Orphan and Rheumatology Segment Results slide image

Fourth-Quarter and Full-Year 2019 Orphan and Rheumatology Segment Results

} KRYSTEXXA: MIRROR Open-Label Trial Data Support Our Immunomodulation Strategy 79 Percent Complete Response Rate Achieved in MIRROR Open-Label Trial 79% MIRROR OL complete response rate VS. 42% Phase 3 complete response rate Well tolerated Response Rate Based on sUA <6mg at Month 6 Response Rate of KRYSTEXXA plus Methotrexate Dramatically Higher than KRYSTEXXA Alone KRYSTEXXA Alone KRYSTEXXA plus Methotrexate 100% 79% 80% 100% 90% 80% 70% 60% 50% 40% 30% 20% 42% 10% 0% Phase 3 Clinical Trials n=85 MIRROR OL Albert Peterson Botson n=14 n=10 n=10 Phase 3 Clinical Trials (blinded, placebo-controlled): 36 out of 85 patients achieved a complete response. MIRROR OL (open-label): 11 out of 14 patients enrolled achieved a complete response. Albert Case Series (open-label): 8 out of 10 patients achieved a complete response. Arthritis & Rheumatology, 2019;71(S10): Abstract 1236. Peterson Botson Case Series (open-label): 10 out of 10 patients achieved a complete response. Annals of the Rheumatic Diseases, 2019;78(2):SAT0404. Note: Data from separate clinical trials may not be directly comparable due to differences in trial protocols, conditions and patient populations. HORIZON 26
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