Patients' demographic and socioeconomic characteristics influence the therapeutic decision-making process in psoriasis.

Background: Knowledge regarding differences in care for psoriatic patients is limited. The aim of this study was to investigate factors influencing prescription of systemic treatments for patients with psoriasis with a special focus on socioeconomic factors.
Methods and Findings: This was a non-interventional, cross-sectional study, conducted in 18 Italian University and/or hospital centers with psoriasis-specialized units. Questionnaires evaluating demographic and socioeconomic characteristics were administered to participants. Overall, 1880 consecutive patients affected by mild-to-severe psoriasis were recruited. Univariate and multivariable logistic regression analyses of systemic therapy prescription, with a special focus on biologics, accounting for the above mentioned characteristics were performed. Our analysis showed that all analyzed patients' characteristics were significantly associated with biological therapy compared to non-biological systemic one. Particularly, women were less likely to receive biologics than men (OR = 0.66; 95% CI, 0.57-0.77). Elderly patients (≥65 years) and subjects with a BMI ≥30 had lower odds to receive biologics respect to adults (≥35-64 years) (OR = 0.33; 95% CI, 0.25-0.40), and subjects with BMI≥25<30 (OR = 0.64; 95% CI, 0.53-0.77), respectively. Northern and Southern patients were both less likely to receive biologics than Central patients (OR = 0.75; 95% CI, 0.63-0.89, and OR = 0.56; 95% CI,0.47-0.68, respectively). Lower economic profile and never reading books were both associated with decreased odds of receiving biological therapy.
Conclusions: This study shows that sex, age, comorbidities, and socioeconomic characteristics influence the prescription of systemic treatments in psoriasis, highlighting that there are still unmet needs influencing the therapeutic decision-making process that have to be addressed.
Competing Interests: P. Amerio has been a scientific consultant for Abbvie, Eli-Lilly, Jannsen, Celgene, Galderma, LEO-Pharma, Sanofi Genzyme and Alfa Wasserman. F. Bardazzi has been a scientific consultant/speaker/clinical study investigator for AbbVie, Celgene, Janssen, LEOPharma, Eli-Lilly, MSD, Novartis and Pfizer. L. Bianchi has been a scientific consultant/speaker for Abbvie, Janssen, Celgene, Pfizer, UCB, Novartis, Sanofi Genzyme and LEO-Pharma. A. Campanati has been a scientific consultant/speaker/clinical study investigator for AbbVie, Celgene, Janssen, LEO-Pharma, Eli-Lilly, MSD, Novartis, Pfizer and Sanofi. S.P. Cannavò has been a scientific consultant/speaker for AbbVie, Celgene, Eli-Lilly, Janssen, LEO-Pharma, Novartis and Sanofi. A. Chiricozzi has been a scientific consultant/speaker/clinical study investigator for Abbvie, Biogen, Fresenius Kabi, LEO-Pharma, Eli-Lilly, Novartis, UCB, Sanofi and Janssen. A. Conti has been a scientific consultant for Abbvie, Eli-Lilly, Janssen Cilag, LEO-Pharma, UCB and Sandoz. P. Dapavo has been a scientific consultant/speaker for Novartis, Abbvie, Eli-Lilly, Celgene, LEOpharma and Janssen. C. De Simone has been a scientific consultant/speaker/clinical study investigator for AbbVie, Almirall, Amgen, Celgene, Janssen, LEO-Pharma, Eli-Lilly, MSD, Novartis, Pfizer, Sanofi and Sun Pharma. M. Esposito has been a scientific consultant/speaker for Abbvie, Novartis, Eli-Lilly, Biogen, LEO-Pharma. M.C. Fargnoli has been a scientific consultant/speaker/clinical study investigator for AbbVie, Celgene, Janssen, LEO-Pharma, Eli- Lilly, Novartis, Pfizer, Sanofi, Galderma, Almirall, Mylan, UCB and Regeneron. C. Guarneri has been a scientific consultant/speaker/clinical study investigator for Wyeth-Pfizer, Abbott Immunology-Abbvie, Janssen-Cilag, Novartis, LEO-Pharma, Eli-Lilly, Celgene and Merck-Serono. K. Hansel has been a scientific consultant/speaker/clinical study investigator for AbbVie, Eli- Lilly, Novartis, Sanofi and Admiral. P. Malagoli has been a scientific consultant/speaker/clinical study investigator for AbbVie, Amgen, Biogen, Celgene, Janssen, LEO-Pharma, Eli-Lilly, Novartis. G. Micali has been a scientific consultant/clinical study investigator for Abbvie, Eli-Lilly, Janssen- Cilag, LEO-Pharma and Novartis. C. Mugheddu has been a speaker/clinical study investigator for Abbvie, Celgene, Boehringer Ingelheim, Janseen, Novartis and LEO-Pharma. A. Offidani has been a scientific consultant/speaker/clinical study investigator for AbbVie, Celgene, Janssen, LEOPharma, Eli-Lilly, MSD, Novartis, Pfizer, Sanofi, Alfasigma and Almirall. F. Prignano has been a scientific consultant/adviser/clinical study investigator for Eli-Lilly, Abbvie, Novartis, LEOPharma, Abiogen-Pharma, Celgene and Janssen-Cilag. F. Rongioletti has been a scientific consultant/speaker/clinical study investigator for AbbVie, Boehringer, Celgene, Janssen, LEOPharma, Eli-Lilly, Novartis and Sanofi. L. Stingeni has been a scientific consultant/speaker/clinical study investigator for AbbVie, Celgene, Eli-Lilly, Novartis, Almirall and Sanofi. A. Balato has been a scientific consultant/speaker/clinical study investigator for AbbVie, Celgene, Janssen, Eli-Lilly, Novartis, Pfizer, Sanofi and UCB. The remaining authors declare no conflicts of interest. This does not alter our adherence to PLOS ONE policies on sharing data and materials.