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关于银屑病关节炎<\/b><\/p> \n

银屑病关节炎(PsA)是一种慢性、免疫介导的异质性疾病,具有多样的肌肉骨骼和皮肤表现,包括炎症性关节炎、附着点炎(即肌腱或韧带与骨骼连接处的炎症)、指(趾)炎(手指或脚趾关节肿胀),以及银屑病相关的皮肤和指(趾)甲病变。[2] <\/sup>约有 30% 的银屑病患者会进一步发展为银屑病关节炎。[5] <\/sup>除导致身体功能受损、疼痛和疲劳外,该疾病还会对患者的整体健康状况产生显著影响。[<\/sup>6] <\/sup>银屑病关节炎患者发生严重合并症的风险亦有所增加。<\/p> \n

关于<\/b>颂狄多<\/i><\/b>银屑病关节炎<\/b>III <\/b>期试验项目<\/b><\/p> \n

颂狄多<\/i>银屑病关节炎(PsA)III期项目包括两项III期、多中心、随机、双盲、安慰剂对照试验,旨在评估该药物在治疗18岁及以上患有活动性银屑病关节炎的成人患者的疗效和安全性:POETYK PsA-1(IM011-054;NCT04908202<\/span><\/a>)和 POETYK PsA-2(IM011-055;NCT04908189<\/span><\/a>)。<\/p> \n

POETYK PsA-1共入组约670名活动性银屑病关节炎患者,这些患者此前未接受过生物制剂类改善病情抗风湿药物(bDMARD)治疗。POETYK PsA-2共入组约624名活动性银屑病关节炎患者,这些患者未接受过bDMARD治疗,或既往接受过肿瘤坏死因子-α(TNF-α)抑制剂治疗。入组患者均符合银屑病关节炎CASPAR 诊断标准,至少具有 3 个肿胀关节和 3 个压痛关节,并伴有活动性或既往有记录的斑块状银屑病病史。两项试验均包含为期52周的治疗期,其中前16周为安慰剂对照治疗期,之后的第16周至第52周为重新分组和持续活性药物治疗期。POETYK PsA-2试验还包括一个阿普米司特安全性参考组。<\/p> \n

两项研究的主要终点均为治疗第16周时达到ACR20(疾病体征和症状至少改善20%)的受试者比例。研究还将第 16 周时银屑病关节炎疾病活动度作为关键的次要终点进行了评估。<\/p> \n

在这两项试验中完成52周治疗的患者,均有机会参与开放标签扩展试验,最长随访可延续至第 156 周。[7],[8]<\/sup><\/p> \n

关于<\/u><\/b>颂狄多<\/u><\/i><\/b>(氘可来昔替尼)<\/u><\/b><\/p> \n

颂狄多<\/i>是一种具有独特作用机制的口服、选择性酪氨酸激酶2(TYK2)抑制剂,代表着一类新的小分子药物。它是首个进行中重度斑块状银屑病和活动性银屑病关节炎临床试验的选择性TYK2抑制剂。[9]<\/sup>  百时美施贵宝的科学家们设计氘可来昔替尼来选择性地靶向TYK2,从而介导IL-23、IL-12和 I型干扰素(IFN)的信号传导,而这些细胞因子都是参与斑块状银屑病和银屑病关节炎发病机制的关键细胞因子。颂狄多<\/i>通过与TYK2的调节结构域结合实现高度选择性,促成对TYK2及其下游功能的变构抑制。在生理浓度范围内,氘可来昔替尼可选择性地抑制 TYK2。在体外试验中,尚未显示颂狄多<\/i>会抑制JAK1、JAK2或JAK3。[9] <\/sup>目前尚不清楚 TYK2 酶抑制与其治疗疗效之间的确切作用机制。<\/p> \n

颂狄多<\/i>已在全球多个国家和地区获批,用于治疗成年中重度斑块状银屑病患者。[10]-[12]<\/sup><\/p> \n

颂狄多<\/i>在中重度斑块状银屑病患者中的疗效和安全性,已在 POETYK PSO‑1 和 POETYK PSO‑2 这两项多国、多中心、随机、双盲、安慰剂及阳性对照的 52 周 III 期临床试验中得到评估。POETYK PSO‑1 共入组 664 名患者,POETYK PSO‑2 共入组 1,020 名患者。所有受试者均患有中重度斑块状银屑病,且符合光疗或系统治疗的指征。<\/p> \n

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参考文献<\/u><\/b><\/span><\/p><\/td> \n <\/tr> \n

[1]<\/sup><\/span><\/i> SOTYKTU Prescribing Information. SOTYKTU U.S. Product Information. March 2026. Princeton, N.J.: Bristol Myers Squibb Company.<\/i><\/span><\/p><\/td> \n <\/tr> \n

[2]<\/sup><\/span><\/i> American College of Rheumatology. "Psoriatic Arthritis." https:\/\/www.rheumatology.org\/I-Am-A\/Patient-Caregiver\/Diseases-Conditions\/Psoriatic-Arthritis<\/a>. Accessed October 5, 2020.<\/i><\/span><\/p><\/td> \n <\/tr> \n

[3]<\/sup><\/span><\/i> Cleveland Clinic. Psoriatic arthritis. Cleveland Clinic. Accessed December 10, 2025. https:\/\/my.clevelandclinic.org\/health\/diseases\/13286-psoriatic-arthritis<\/i><\/span><\/p><\/td> \n <\/tr> \n

[4]<\/sup><\/span><\/i> National Psoriasis Foundation. About psoriatic arthritis. National Psoriasis Foundation. Accessed December 10, 2025. <\/i>https:\/\/www.psoriasis.org\/about-psoriatic-arthritis\/#overview<\/i><\/a><\/span><\/p><\/td> \n <\/tr> \n

[5]<\/sup><\/span><\/i> Mease P, Gladman D, Papp K, et al. Prevalence of rheumatologist-diagnosed psoriatic arthritis in patients with psoriasis in European\/North American dermatology clinics. <\/i>Journal of the American Academy of Dermatology. 2013;69(5). <\/i>doi: 10.1016\/j.jaad.2013.07.023. <\/i><\/span><\/p><\/td> \n <\/tr> \n

[6]<\/sup><\/span><\/i> Dures E, Bowen C, Brooke M, et al. Diagnosis and initial management in psoriatic arthritis: a qualitative study with patients. Rheumatology Advances in Practice. 2019;3(2) <\/i>https:\/\/doi.org\/10.1093\/rap\/rkz022<\/i><\/a>.<\/i><\/span><\/p><\/td> \n <\/tr> \n

[7]<\/sup><\/span><\/i> van der Heidje D, Mease P, Paul C, et al. Efficacy and Safety of Deucravacitinib up to Week 52: A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Phase 3 Study in Patients With Active Psoriatic Arthritis Who Are Naive to Biologic Disease-Modifying Antirheumatic Drugs. Presented at the American College of Rheumatology (ACR) Convergence; October 24-29, 2025.<\/i><\/span><\/p><\/td> \n <\/tr> \n

[8]<\/sup><\/span><\/i> Mease P, Chandran V, Armstrong A, et al. Efficacy and safety of deucravacitinib up to week 52 from POETYK PsA-2: a multicenter, randomized, double-blind, placebo-controlled, phase 3 study in patients with psoriatic arthritis. Presented at the European Congress of Rheumatology; June 11-14, 2025.<\/i><\/span><\/p><\/td> \n <\/tr> \n

[9]<\/sup><\/span><\/i> Chimalakonda A, Burke J, Cheng L, et al. Selectivity Profile of the Tyrosine Kinase 2 Inhibitor Deucravacitinib Compared with Janus Kinase 1\/2\/3 Inhibitors.<\/i> Dermatol Ther (Heidelb). 2021;11(5):1763-1776. doi:10.1007\/s13555-021-00596-8<\/i><\/span><\/p><\/td> \n <\/tr> \n

[10]<\/sup><\/span><\/i> Bristol Myers Squibb. The world's first oral TYK2 allosteric inhibitor, Sotyktu® (deucravacitinib tablets), has been approved in China. Press release. October 20, 2023. <\/i>https:\/\/www.bms.com\/cn\/media\/press-release-listing\/10202023.html<\/i><\/a><\/span><\/p><\/td> \n <\/tr> \n

[11] <\/sup><\/span><\/i>Bristol Myers Squibb. <\/i>TYK2 inhibitor <\/i>Sotyktu® <\/i>Received manufacturing and marketing approval for 6 mg tablets<\/i>. Press release. September 26, 2022. <\/i>https:\/\/www.bms.com\/jp\/media\/press-release-listing\/press-release-listing-2022\/20220926.html<\/i><\/a><\/span><\/p><\/td> \n <\/tr> \n

[12] <\/sup><\/span><\/i>Bristol Myers Squibb. New treatment for adults with plaque psoriasis arrives in Mexico. Press release. February 18, 2025.<\/i> https:\/\/www.bms.com\/mx\/media\/press-release-listing\/bristolmyerssquibbampliasucompromisodelargadataconlainvestigaciondelcanceratravesdecontinente2continente4cancer2.html<\/i><\/a><\/span><\/p><\/td> \n <\/tr> \n <\/tbody> \n <\/table> \n<\/div> \n

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