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關于銀屑病關節炎<\/b><\/p> \n

銀屑病關節炎(PsA)是一種慢性、免疫介導的異質性疾病,具有多樣的肌肉骨骼和皮膚表現,包括炎癥性關節炎、附著點炎(即肌腱或韌帶與骨骼連接處的炎癥)、指(趾)炎(手指或腳趾關節腫脹),以及銀屑病相關的皮膚和指(趾)甲病變。[2] <\/sup>約有 30% 的銀屑病患者會進一步發展為銀屑病關節炎。[5] <\/sup>除導致身體功能受損、疼痛和疲勞外,該疾病還會對患者的整體健康狀況產生顯著影響。[<\/sup>6] <\/sup>銀屑病關節炎患者發生嚴重合并癥的風險亦有所增加。<\/p> \n

關于<\/b>頌狄多<\/i><\/b>銀屑病關節炎<\/b>III <\/b>期試驗項目<\/b><\/p> \n

頌狄多<\/i>銀屑病關節炎(PsA)III期項目包括兩項III期、多中心、隨機、雙盲、安慰劑對照試驗,旨在評估該藥物在治療18歲及以上患有活動性銀屑病關節炎的成人患者的療效和安全性:POETYK PsA-1(IM011-054;NCT04908202<\/span><\/a>)和 POETYK PsA-2(IM011-055;NCT04908189<\/span><\/a>)。<\/p> \n

POETYK PsA-1共入組約670名活動性銀屑病關節炎患者,這些患者此前未接受過生物制劑類改善病情抗風濕藥物(bDMARD)治療。POETYK PsA-2共入組約624名活動性銀屑病關節炎患者,這些患者未接受過bDMARD治療,或既往接受過腫瘤壞死因子-α(TNF-α)抑制劑治療。入組患者均符合銀屑病關節炎CASPAR 診斷標準,至少具有 3 個腫脹關節和 3 個壓痛關節,并伴有活動性或既往有記錄的斑塊狀銀屑病病史。兩項試驗均包含為期52周的治療期,其中前16周為安慰劑對照治療期,之后的第16周至第52周為重新分組和持續活性藥物治療期。POETYK PsA-2試驗還包括一個阿普米司特安全性參考組。<\/p> \n

兩項研究的主要終點均為治療第16周時達到ACR20(疾病體征和癥狀至少改善20%)的受試者比例。研究還將第 16 周時銀屑病關節炎疾病活動度作為關鍵的次要終點進行了評估。<\/p> \n

在這兩項試驗中完成52周治療的患者,均有機會參與開放標簽擴展試驗,最長隨訪可延續至第 156 周。[7],[8]<\/sup><\/p> \n

關于<\/u><\/b>頌狄多<\/u><\/i><\/b>(氘可來昔替尼)<\/u><\/b><\/p> \n

頌狄多<\/i>是一種具有獨特作用機制的口服、選擇性酪氨酸激酶2(TYK2)抑制劑,代表著一類新的小分子藥物。它是首個進行中重度斑塊狀銀屑病和活動性銀屑病關節炎臨床試驗的選擇性TYK2抑制劑。[9]<\/sup>  百時美施貴寶的科學家們設計氘可來昔替尼來選擇性地靶向TYK2,從而介導IL-23、IL-12和 I型干擾素(IFN)的信號傳導,而這些細胞因子都是參與斑塊狀銀屑病和銀屑病關節炎發病機制的關鍵細胞因子。頌狄多<\/i>通過與TYK2的調節結構域結合實現高度選擇性,促成對TYK2及其下游功能的變構抑制。在生理濃度范圍內,氘可來昔替尼可選擇性地抑制 TYK2。在體外試驗中,尚未顯示頌狄多<\/i>會抑制JAK1、JAK2或JAK3。[9] <\/sup>目前尚不清楚 TYK2 酶抑制與其治療療效之間的確切作用機制。<\/p> \n

頌狄多<\/i>已在全球多個國家和地區獲批,用于治療成年中重度斑塊狀銀屑病患者。[10]-[12]<\/sup><\/p> \n

頌狄多<\/i>在中重度斑塊狀銀屑病患者中的療效和安全性,已在 POETYK PSO?1 和 POETYK PSO?2 這兩項多國、多中心、隨機、雙盲、安慰劑及陽性對照的 52 周 III 期臨床試驗中得到評估。POETYK PSO?1 共入組 664 名患者,POETYK PSO?2 共入組 1,020 名患者。所有受試者均患有中重度斑塊狀銀屑病,且符合光療或系統治療的指征。<\/p> \n

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參考文獻<\/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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