CHIRURGIA Dipar8mento di Medicina Sezione di Dermatologia e Venereologia REGIONE DEL VENETO AZIENDA OSPEDALIERA UNIVERSITARIA INTEGRATA DI VERONA U.O. dU Clinica Dermatologica Giampiero Girolomoni BIOSIMILARI COSA NE PENSA IL MEDICO
posto del suo originatore? 2. Poiché l’originator e il biosimilare hanno la stessa indicazione terapeuAca, è corre>o parlare di “equivalenza terapeuAca”? In quali casi? 3. La conAnuità terapeuAca è importante per la tutela della qualità e dell’ efficacia della cura per il paziente? 4. Paziente naive. E’ acce>abile l’impiego preferenziale dei farmaci biosimilari come suggerito dall’AIFA? 5. Quali devono essere i ruoli della farmacovigilanza e degli studi post markeAng nel se>ore dei farmaci biologici e biosimilari? È sufficiente quello che si sta facendo in questo ambito, o bisognerebbe fare di più? DOMANDE CHIAVE Giampiero Girolomoni
of paAents in need receive an adequate treatment • Treatments (including biologics) are ineffecAve in a subset of paAents (20-‐30%) • Treatment loose efficacy in the long term (10-‐20% every year) • Not all treatment are flexible enough to meet paAents’ specific needs • Therapies are not tolerated by a subset of paAents (20% of convenAonal drugs) • Long term safety issues sAll very important • Effects of therapy on co-‐morbid disorders unknown (MetS, CDV disease) • Cost of therapy Giampiero Girolomoni
RECEIVING NO TREATMENT OR ONLY TOPICAL TREATMENT * M Lebwohl, H Bachelez, J Barker, G Girolomoni, A Kavanaugh, R Langley, C Paul, L Puig, K Reich, P van de Kerkhof. Patient Perspectives in the Management of Psoriasis: The Population-Based Multinational Assessment of Psoriasis and Psoriatic Arthritis (MAPP) Survey. J Am Acad Dermatol 2014 May;70(5):871-‐881 MAPP* is a populaAon-‐based, mulAnaAonal survey of 3,426 paAents from 139,948 screened households and 781 physicians in North America and Europe Giampiero Girolomoni
DISEASE • Disease severity - ObjecAve disease score - Emergence of new lesions - Skin areas involved - Frequency of relapses - Pruritus or other symptoms • Comorbidi8es - PsoriaAc arthriAs - Cardio-‐metabolic co-‐morbidiAes - Psychiatric co-‐morbidiAes PATIENT - Age and sex - Treatment history - Impact on QoL - Likelihood of compliance - Pa8ent expecta8ons - Desire of remission - Fear of side effects - Frustra8on from previous therapy THERAPY • Efficacy - Short and long term response rates - Sustained long-‐term efficacy - Flexibility • Safety - Tolerability - Long-‐term risk–benefit profile • Impact on life style PaAents may underesAmate disease severity and impact on quality of life Giampiero Girolomoni
Dura8on of the First Biologic Treatment, days Esposito M et al. Br J Dermatol 2013;169:666-72. Survival Distribu8on Func8on 1.00 0.75 0.50 0.25 0.00 0 250 500 750 1000 1250 1500 1750 2000 2250 Etanercept* mean 1534 days: 4.2 yrs; n = 389 Adalimumab mean 960 days: 2.6 yrs; n = 114 Infliximab mean 1108 days: 3.0 yrs; n = 147 Kaplan-‐Meier method, log-‐rank test, and Cox regression analysis * P < 0.01 vs adalimumab and/or infliximab 650 pa8ents form Verona, Bari and Rome Giampiero Girolomoni
drug name Trade name Company Target Efficacy Brodalumab Amgen IL-‐17 receptor Mean PASI improvement 86% taking 210 mg biw for 12 weeks Secukinumab Cosentyx NovarAs IL-‐17A PASI 75 in 81.6% at 12 weeks in paAents taking 300 mg at weeks 1-‐4, 8 and 12 Ixekizumab Eli-‐Lilly IL-‐17A PASI 75 in 82% of paAents taking 150 mg Guselkumab Janssen IL-‐23 (p19) PASI 75 in 100% at 12 weeks in paAents taking 300 mg at weeks 0, 4, 8 and 12 Tildrakizumab MSD IL-‐23 (p19) PASI 75 in 74% at 16 weeks in paAents taking 200 mg at weeks 0, 4 and 12 TofaciAnib Xeljanz Pfizer JAK1 and JAK3 PASI 75 in 64% of paAents taking 10 mg bid at 16 weeks BariciAnib Eli-‐Lilly JAK1 and JAK2 PASI 75 in 65% of paAents taking 8 mg once daily Apremilast Otezla Celgene PDE4 PASI 75 in 41% in paAents taking 30 mg bid for 16 weeks *These agents are not currently licensed for therapeuAc use Giampiero Girolomoni
• Psoriasis very acAve field of clinical, laboratory and pharmacological research • Many new treatments for moderate and severe forms available in the next few years • Biosimilars may represent a very important opportunity for recruiAng more paAents in need to more effecAve therapy, provided that efficacy and safety is adequately addressed • Personalized/straAfied medicine very important to maximize benefit/risk • Treatment strategy more directed by paAents needs Giampiero Girolomoni