<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root>
<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Vestnik dermatologii i venerologii</journal-id><journal-title-group><journal-title xml:lang="en">Vestnik dermatologii i venerologii</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник дерматологии и венерологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0042-4609</issn><issn publication-format="electronic">2313-6294</issn><publisher><publisher-name xml:lang="en">Rossijskoe Obschestvo Dermatovenerologov i Kosmetologov</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">16877</article-id><article-id pub-id-type="doi">10.25208/vdv16877</article-id><article-id pub-id-type="edn">olgqly</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL STUDIES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>НАУЧНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Results of CRYSTAL retrospective observational study in Russia: severity of the disease, treatment landscapes and quality of life in patients with moderate to severe psoriasis receiving systemic therapy in routine clinical practice</article-title><trans-title-group xml:lang="ru"><trans-title>Результаты ретроспективного наблюдательного исследования CRYSTAL в России: тяжесть заболевания, подходы к лечению и качество жизни у пациентов со среднетяжелым и тяжелым псориазом, получающих системную терапию в рутинной клинической практике</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6353-6644</contrib-id><contrib-id contrib-id-type="spin">3470-9306</contrib-id><name-alternatives><name xml:lang="en"><surname>Kokhan</surname><given-names>Muza M.</given-names></name><name xml:lang="ru"><surname>Кохан</surname><given-names>Муза Михайловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Med.), Professor</p></bio><bio xml:lang="ru"><p>д.м.н., профессор</p></bio><email>mkokhan@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0621-5518</contrib-id><contrib-id contrib-id-type="spin">1758-2990</contrib-id><name-alternatives><name xml:lang="en"><surname>Rudneva</surname><given-names>Natalia S.</given-names></name><name xml:lang="ru"><surname>Руднева</surname><given-names>Наталья Сергеевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>к.м.н.</p></bio><email>natalya.rudneva@tularegion.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Albuquerque</surname><given-names>Teotonio</given-names></name><name xml:lang="ru"><surname>Альбукерке</surname><given-names>Теотонио</given-names></name></name-alternatives><address><country country="PT">Portugal</country></address><bio xml:lang="en"><p>Employee</p></bio><bio xml:lang="ru"><p>сотрудник</p></bio><email>teotonio.albuquerque@abbvie.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3319-182X</contrib-id><contrib-id contrib-id-type="spin">4309-7757</contrib-id><name-alternatives><name xml:lang="en"><surname>Prilutskaya</surname><given-names>Viktoria Y.</given-names></name><name xml:lang="ru"><surname>Прилуцкая</surname><given-names>Виктория Юрьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Medical Advisor</p></bio><bio xml:lang="ru"><p>медицинский советник компании</p></bio><email>anturiumvika@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Magdych</surname><given-names>Olesya V.</given-names></name><name xml:lang="ru"><surname>Магдыч</surname><given-names>Олеся Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Clinical Project Manager</p></bio><bio xml:lang="ru"><p>менеджер клинических проектов</p></bio><email>olesya.magdych@abbvie.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8688-4876</contrib-id><contrib-id contrib-id-type="spin">6929-3790</contrib-id><name-alternatives><name xml:lang="en"><surname>Khotko</surname><given-names>Alkes A.</given-names></name><name xml:lang="ru"><surname>Хотко</surname><given-names>Алкес Асланчериевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>к.м.н.</p></bio><email>alkes@inbox.ru</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Ural Research Institute of Dermatovenereology and Immunopathology</institution></aff><aff><institution xml:lang="ru">Уральский научно-исследовательский институт дерматовенерологии и иммунопатологии</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Tula Regional Clinical Dermatovenerologic Dispensary</institution></aff><aff><institution xml:lang="ru">Тульский областной клинический кожно-венерологический диспансер</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">AbbVie</institution></aff><aff><institution xml:lang="ru">ООО «ЭббВи»</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Clinical Dermatovenerological Dispensary</institution></aff><aff><institution xml:lang="ru">Клинический кожно-венерологический диспансер</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-08-19" publication-format="electronic"><day>19</day><month>08</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-09-30" publication-format="electronic"><day>30</day><month>09</month><year>2025</year></pub-date><volume>101</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>40</fpage><lpage>54</lpage><history><date date-type="received" iso-8601-date="2025-03-04"><day>04</day><month>03</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-08-06"><day>06</day><month>08</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Kokhan M.M., Rudneva N.S., Albuquerque T., Prilutskaya V.Y., Magdych O.V., Khotko A.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Кохан М.М., Руднева Н.С., Альбукерке Т., Прилуцкая В.Ю., Магдыч О.В., Хотко А.А.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Kokhan M.M., Rudneva N.S., Albuquerque T., Prilutskaya V.Y., Magdych O.V., Khotko A.A.</copyright-holder><copyright-holder xml:lang="ru">Кохан М.М., Руднева Н.С., Альбукерке Т., Прилуцкая В.Ю., Магдыч О.В., Хотко А.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://vestnikdv.ru/jour/article/view/16877">https://vestnikdv.ru/jour/article/view/16877</self-uri><abstract xml:lang="en"><p>Background. Psoriasis is a common chronic skin disease with frequent pathological musculoskeletal changes which has a significant impact on health and has a negative socioeconomic effect. Data on disease control and treatment strategies in routine clinical practice in Russia are limited.</p> <p>Aim. To describe the severity of the disease, response to therapy, and quality of life in patients who received continuous systemic therapy for ≥ 24 weeks for moderate to severe psoriasis.</p> <p>Methods. In the Russian Federation, CRYSTAL retrospective observational crossover study enrolled adult (18–75 years old) patients (n = 100) with moderate to severe psoriasis who received continuous systemic treatment for ≥ 24 weeks.</p> <p>Results. For most patients (99.0%), their current treatment was monotherapy with a genetically engineered biological agent (GEBA) (96.0% of patients) or other systemic drugs (3.0% of patients); 1 patient received combination therapy. The average absolute PASI score was 3.4 ± 4.0 and 6.7 ± 9.6 in GEBA group and the group receiving other systemic drugs, respectively. Absolute PASI score of &gt; 1, &gt; 3, and &gt; 5 was observed in 55.2%, 39.6%, and 28.1% of patients receiving GEBA, and in 66.7%, 66.7%, and 33.3% of patients receiving other systemic drugs. The average overall DLQI score was 2.6 ± 4.2.</p> <p>Conclusion. A significant number of patients had low absolute PASI scores after continuous treatment for at least 24 weeks and good satisfaction with the therapy. However, only 21.0% of patients achieved regression of psoriatic lesions, and more than one-third of patients reported that the disease had an impact on their quality of life, which still indicated the need to improve treatment strategies in Russia to optimize outcomes in patients with moderate to severe psoriasis.</p></abstract><trans-abstract xml:lang="ru"><p>Обоснование. Псориаз — это распространенное хроническое заболевание кожи с частыми патологическими изменениями опорно-двигательного аппарата, оказывающее значительное влияние на здоровье и имеющее негативное социально-экономическое воздействие. Данные о контроле заболевания и стратегиях лечения в рутинной клинической практике в России ограничены.</p> <p>Цель исследования. Описать тяжесть заболевания, ответ на терапию и качество жизни у пациентов, получавших непрерывную системную терапию в течение ≥ 24 недель по поводу среднетяжелого и тяжелого псориаза.</p> <p>Методы. В Российской Федерации в ретроспективном наблюдательном поперечном исследовании CRYSTAL приняли участие взрослые (18–75 лет) пациенты (n = 100) со среднетяжелым и тяжелым псориазом, получавшие непрерывное системное лечение в течение ≥ 24 недель.</p> <p>Результаты. Для большинства пациентов (99,0%) текущее лечение проводилось в виде монотерапии, включавшей ГИБП (96,0% пациентов) или другие системные препараты (3,0% пациентов); 1 пациент получал комбинированную терапию. Средний абсолютный PASI в группе ГИБП и других системных препаратов составил соответственно 3,4 ± 4,0 и 6,7 ± 9,6. Абсолютные значения PASI &gt; 1, &gt; 3 и &gt; 5 наблюдались соответственно у 55,2%, 39,6% и 28,1% пациентов, получавших ГИБП, и у 66,7%, 66,7% и 33,3% пациентов, принимавших другие системные препараты. Средний общий балл DLQI составил 2,6 ± 4,2.</p> <p>Заключение. У значительной части пациентов наблюдались низкие абсолютные значения по индексу PASI после непрерывного лечения в течение не менее 24 недель и хорошая удовлетворенность терапией. Однако только у 21,0% пациентов удалось достичь регресса псориатических высыпаний, а более одной трети пациентов сообщили о влиянии заболевания на качество жизни, что все еще указывает на необходимость улучшения стратегии лечения в России для оптимизации результатов у пациентов со среднетяжелым и тяжелым псориазом.</p></trans-abstract><kwd-group xml:lang="en"><kwd>psoriasis</kwd><kwd>biologic therapy</kwd><kwd>quality of life</kwd><kwd>patient-reported outcomes</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>псориаз</kwd><kwd>биологическая терапия</kwd><kwd>качество жизни</kwd><kwd>исходы, сообщаемые пациентами</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Parisi R, Symmons DP, Griffiths CE, Ashcroft DM, et al. Global epidemiology of psoriasis: a systematic review of incidence and prevalence. J Invest Dermatol. 2013;133(2):377–385. doi: 10.1038/jid.2012.339</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Feldman SR, Burudpakdee C, Gala S, Nanavaty M, Mallya UG. The economic burden of psoriasis: a systematic literature review. Expert Rev Pharmacoecon Outcomes Res. 2014;14(5):685–705. doi: 10.1586/14737167.2014.933671</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Feldman SR, Zhao Y, Shi L, Tran MH. Economic and comorbidity burden among patients with moderate-to-severe psoriasis. J Manag Care Spec Pharm. 2015;21(10):874–888. doi: 10.18553/jmcp.2015.21.10.874</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Hawro T, Zalewska A, Hawro M, Kaszuba A, Królikowska M, Maurer M. Impact of psoriasis severity on family income and quality of life. J Eur Acad Dermatol Venereol. 2015;29(3):438–443. doi: 10.1111/jdv.12572</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Global Burden of Disease 2017 Disease and Injury Incidence and Prevalence Collaborators. Global, regional, and national incidence, prevalence, and years lived with disability for 354 diseases and injuries for 195 countries and territories, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017. Lancet. 2018;392(10159):1789–1858. doi: 10.1016/S0140-6736(18)32279-7</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Damiani G, Bragazzi NL, Karimkhani Aksut C, Wu D, Alicandro G, McGonagle D, et al. The global, regional, and national burden of psoriasis: results and insights from the Global Burden of Disease 2019 study. Front Med (Lausanne). 2021;8:743180(1–12). doi: 10.3389/fmed.2021.743180</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>Кубанов А.А., Богданова Е.В. Ресурсы и результаты деятельности медицинских организаций, оказывающих медицинскую помощь по профилю «дерматовенерология», в Российской Федерации в 2016–2022 гг. Вестник дерматологии и венерологии. 2023;99(4):18–40. [Kubanov АА, Bogdanova EV. Resources and performance rates of medical organizations providing medical care in the field of dermatovenereology in the Russian Federation in 2016–2022. Vestnik Dermatologii i Venerologii. 2023;99(4):18–40. (In Russ.)] doi: https://doi.org/10.25208/vdv12385</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>World Health Organization. Global report on psoriasis. 2016. URL: https://apps.who.int/iris/handle/10665/204417 (accessed: 30.12.2022).</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Armstrong A, Bohannan B, Mburu S, Alarcon I, Kasparek T, Toumi J, et al. Impact of psoriatic disease on quality of life: interim results of a global survey. Dermatol Ther (Heidelb). 2022;12(4):1055–1064. doi: 10.1007/s13555-022-00695-0</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>Armstrong AW, Robertson AD, Wu J, Schupp C, Lebwohl MG. Undertreatment, treatment trends, and treatment dissatisfaction among patients with psoriasis and psoriatic arthritis in the United States: findings from the National Psoriasis Foundation surveys, 2003–2011. JAMA Dermatol. 2013;149(10):1180–1185. doi: 10.1001/jamadermatol.2013.5264</mixed-citation></ref><ref id="B11"><label>11.</label><mixed-citation>Lebwohl MG, Bachelez H, Barker J, Girolomoni G, Kavanaugh A, Langley RG, et al. Patient perspectives in the management of psoriasis: results from the population-based Multinational Assessment of Psoriasis and Psoriatic Arthritis Survey. J Am Acad Dermatol. 2014;70(5):871–881.e1–30. doi: 10.1016/j.jaad.2013.12.018</mixed-citation></ref><ref id="B12"><label>12.</label><mixed-citation>Duffin KC, Yeung H, Takeshita J, Krueger GG, Robertson AD, Troxel AB, et al. Patient satisfaction with treatments for moderate-to-severe plaque psoriasis in clinical practice. Br J Dermatol. 2014;170(3):672–680. doi: 10.1111/bjd.12745</mixed-citation></ref><ref id="B13"><label>13.</label><mixed-citation>Gerdes S, Körber A, Biermann M, Karnthaler C, Reinhardt M. Absolute and relative Psoriasis Area and Severity Index (PASI) treatment goals and their association with health-related quality of life. J Dermatolog Treat. 2020;31(5):470–475. doi: 10.1080/09546634.2020.1746734</mixed-citation></ref><ref id="B14"><label>14.</label><mixed-citation>Seidl U, Pinter A, Wilsmann-Theis D, Poortinga S, Morrison K, Mrowietz U, et al. Absolute Psoriasis Area and Severity Index as a valuable marker to determine initial treatment response in psoriasis patients treated with guselkumab in routine clinical care. Dermatol Ther. 2022;35(1):e15193. doi: 10.1111/dth.15193</mixed-citation></ref><ref id="B15"><label>15.</label><mixed-citation>Carretero G, Puig L, Carrascosa JM, Ferrándiz L, Ruiz-Villaverde R, de la Cueva P, et al. Redefining the therapeutic objective in psoriatic patients candidates for biological therapy. J Dermatolog Treat. 2018;29(4):334–346. doi: 10.1080/09546634.2017.1395794</mixed-citation></ref><ref id="B16"><label>16.</label><mixed-citation>Mahil SK, Wilson N, Dand N, Reynolds NJ, Griffiths CEM, Emsley R, et al. Psoriasis treat to target: defining outcomes in psoriasis using data from a real-world, population-based cohort study (the British Association of Dermatologists Biologics and Immunomodulators Register, BADBIR). Br J Dermatol. 2020;182(5):1158–1166. doi: 10.1111/bjd.18333</mixed-citation></ref><ref id="B17"><label>17.</label><mixed-citation>Псориаз: Клинические рекомендации Российского общества дерматовенерологов и косметологов. 2023 [Psoriasis. Clinical practice guidelines of Russian society of dermatovenereologists and cosmetologists. 2023. (In Russ.)] URL: https://cr.minzdrav.gov.ru/recomend/234_2 (accessed: 22.02.2023).</mixed-citation></ref><ref id="B18"><label>18.</label><mixed-citation>Бакулев А.Л., Фитилева Т.В., Новодережкина Е.А., Гиллотю И., Тиан Х., Ховэ Т., и др. Псориаз: клинико-эпидемиологические особенности и вопросы терапии. Вестник дерматологии и венерологии. 2018;94(3):67–76. [Bakulev AL, Fitileva TV, Novoderezhkina EA, Gilloteau I, Tian H, Howe T, et al. Psoriasis: clinical and epidemiological features and therapy issues. Vestnik Dermatologii i Venerologii. 2018;94(3):67–76. (In Russ.)] doi: 10.25208/0042-4609-2018-94-3-67-76</mixed-citation></ref><ref id="B19"><label>19.</label><mixed-citation>Colombo D, Bianchi L, Fabbrocini G, Corrao S, Offidani A, Stingeni L, et al. Real-world evidence of biologic treatments in moderate-severe psoriasis in Italy: Results of the CANOVA (EffeCtiveness of biologic treAtmeNts for plaque psOriasis in Italy: An obserVAtional longitudinal study of real-life clinical practice) study. Dermatol Ther. 2022;35(1):e15166. doi: 10.1111/dth.15166</mixed-citation></ref><ref id="B20"><label>20.</label><mixed-citation>Kerdel F, Zaiac M. An evolution in switching therapy for psoriasis patients who fail to meet treatment goals. Dermatol Ther. 2015;28(6):390–403. doi: 10.1111/dth.12267</mixed-citation></ref><ref id="B21"><label>21.</label><mixed-citation>Norlin JM, Steen Carlsson K, Persson U, Schmitt-Egenolf M. Switch to biological agent in psoriasis significantly improved clinical and patient-reported outcomes in real-world practice. Dermatology. 2012;225(4):326–332. doi: 10.1159/000345715</mixed-citation></ref><ref id="B22"><label>22.</label><mixed-citation>Raam L, Hartmane I, Valiukevičienė S, Karamova AE, Telegdy E, Botev I, et al. Disease severity, treatment patterns, and quality of life in patients with moderate-to-severe psoriasis routinely managed with systemic treatment: results of the CRYSTAL observational study in Central and Eastern European countries. Front Immunol. 2024;15:1410540. doi: 10.3389/fimmu.2024.1410540</mixed-citation></ref><ref id="B23"><label>23.</label><mixed-citation>Armstrong AW, Parsi K, Schupp CW, Mease PJ, Duffin KC. Standardizing training for psoriasis measures: effectiveness of an online training video on Psoriasis Area and Severity Index assessment by physician and patient raters. JAMA Dermatol. 2013;149(5):577–582. doi: 10.1001/jamadermatol.2013.1083</mixed-citation></ref><ref id="B24"><label>24.</label><mixed-citation>Finlay AY, Khan GK. Dermatology Life Quality Index (DLQI) — a simple practical measure for routine clinical use. Clin Exp Dermatol. 1994;19(3):210–216. doi: 10.1111/j.1365-2230.1994.tb01167.x</mixed-citation></ref><ref id="B25"><label>25.</label><mixed-citation>Reilly Associates. Work Productivity and Activity Impairment Questionnaire (WPAI) Scoring. URL: http://www.reillyassociates.net/wpai_scoring.html (accessed: 30.12.2022).</mixed-citation></ref><ref id="B26"><label>26.</label><mixed-citation>Кубанов А.А., Богданова Е.В. Эпидемиология псориаза в Российской Федерации (по данным регистра). Вестник дерматологии и венерологии. 2022;98(2):33–41. [Kubanov AA, Bogdanova EV. Epidemiology of psoriasis in the Russian Federation according to the patient registry. Vestnik Dermatologii i Venerologii. 2022;98(2):33–41. (In Russ.)] doi: https://doi.org/10.25208/vdv1268</mixed-citation></ref><ref id="B27"><label>27.</label><mixed-citation>Sbidian E, Chaimani A, Garcia-Doval I, Doney L, Dressler C, Hua C, et al. Systemic pharmacological treatments for chronic plaque psoriasis: a network meta-analysis. Cochrane Database Syst Rev. 2022;5(5):CD011535. doi: 10.1002/14651858.CD011535.pub5</mixed-citation></ref><ref id="B28"><label>28.</label><mixed-citation>Kubanov AA, Bakulev AL, Fitileva TV, Novoderezhkina E, Gilloteau I, Tian H, et al. Disease Burden and Treatment Patterns of Psoriasis in Russia: A Real-World Patient and Dermatologist Survey. Dermatol Ther (Heidelb). 2018;8(4):581–592. doi: 10.1007/s13555-018-0262-1</mixed-citation></ref><ref id="B29"><label>29.</label><mixed-citation>Armstrong AW, Lynde CW, McBride SR, Ståhle M, Edson-Heredia E, Zhu B, et al. Effect of ixekizumab treatment on work productivity for patients with moderate-to-severe plaque psoriasis: analysis of results from 3 randomized phase 3 clinical trials. JAMA Dermatol. 2016;152(6):661–669. doi: 10.1001/jamadermatol.2016.0269</mixed-citation></ref><ref id="B30"><label>30.</label><mixed-citation>Kimball AB, Yu AP, Signorovitch J, Xie J, Tsaneva M, Gupta SR, et al. The effects of adalimumab treatment and psoriasis severity on self-reported work productivity and activity impairment for patients with moderate to severe psoriasis. J Am Acad Dermatol. 2012;66(2):e67–76. doi: 10.1016/j.jaad.2010.10.020</mixed-citation></ref><ref id="B31"><label>31.</label><mixed-citation>Vender R, Lynde C, Ho V, Chau D, Poulin-Costello M. Work productivity and healthcare resource utilization outcomes for patients on etanercept for moderate-to-severe plaque psoriasis: results from a 1-year, multicentre, open-label, single-arm study in a clinical setting. Appl Health Econ Health Policy. 2012;10(5):343–353. doi: 10.1007/BF03261868</mixed-citation></ref></ref-list></back></article>
