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Subcutaneous abatacept for the treatment of rheumatoid arthritis

机译:皮下阿巴西普治疗类风湿关节炎

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The efficacy, safety and tolerability of i.v. abatacept are well established in patients with active RA. A s.c. abatacept formulation is now available in some countries. Here, we review clinical data for s.c. abatacept. Six trials are presented (Phase II dose-finding study, ACQUIRE, ALLOW, ACCOMPANY, ATTUNE and AMPLE) and issues important to both patients and clinicians are addressed. The primary focus assesses whether the i.v. and s.c. abatacept formulations have similar efficacy, including whether the recommended fixed dose of s.c. abatacept is comparable to the weight-tiered i.v. dosing and whether efficacy is sustained with long-term treatment. Safety and immunogenicity are also discussed, including the short- and long-term safety of s.c. abatacept, and whether immunogenicity is increased following a switch from i.v. to s.c. abatacept, after withdrawal or reintroduction of s.c. abatacept or in the absence of MTX. Year 1 data from the AMPLE study, comparing s.c. abatacept with the TNF antagonist adalimumab, are discussed. Although fewer patient-years of exposure are available for s.c. compared with i.v. abatacept, observations suggest that s.c. abatacept has a similar long-term efficacy to the i.v. formulation, improving the signs, symptoms, disease activity and physical function in patients with RA. With continued treatment, these improvements are maintained over time with high retention rates, similar to i.v. abatacept. s.c. abatacept is associated with low immunogenicity and short- and long-term safety that is consistent with i.v. abatacept. In addition, s.c. abatacept demonstrates comparable efficacy, kinetics of response, safety and radiographic inhibition to adalimumab.
机译:i.v.的功效,安全性和耐受性活动性RA患者中abatacept的建立良好。交流现在在某些国家有abatacept制剂。在这里,我们回顾了s.c.的临床数据。阿巴西普。提出了六项试验(II期剂量寻找研究,ACQUIRE,ALLOW,ACCOMPANY,ATTUNE和AMPLE),并解决了对患者和临床医生均重要的问题。主要重点评估i.v.和s.c. abatacept制剂具有相似的功效,包括是否建议使用固定剂量的s.c.。 abatacept与重量级i.v.相当剂量以及长期治疗是否持续疗效。还讨论了安全性和免疫原性,包括s.c.的短期和长期安全性。 abatacept,以及从i.v.转为i.v.后是否提高免疫原性到s.c.撤回或重新引入s.c.阿巴西普或不存在MTX。来自AMPLE研究的第1年数据,比较s.c.讨论了abatacept与TNF拮抗剂阿达木单抗的关系。尽管s.c.可获得的病人年数较少。与i.v.相比abatacept,观察结果表明,阿巴西普具有与静脉输注相似的长期疗效。制剂,改善RA患者的体征,症状,疾病活动和身体机能。持续治疗后,这些改善将随着时间的流逝而得以保持,保留率很高,类似于静脉注射阿巴西普。南卡罗来纳州abatacept与低免疫原性和短期和长期安全性有关,与i.v.一致。阿巴西普。此外, abatacept表现出与阿达木单抗相当的疗效,反应动力学,安全性和放射学抑制作用。

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