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Attainment and characteristics of clinical remission according to the new ACR-EULAR criteria in abatacept-treated patients with early rheumatoid arthritis: new analyses from the Abatacept study to Gauge Remission and joint damage progression in methotrexate (MTX)-naive patients with Early Erosive rheumatoid arthritis (AGREE).

ABSTRACT: This study evaluated various remission criteria in abatacept plus methotrexate (MTX)-treated patients with early rheumatoid arthritis (RA). We aimed to investigate the time to, and sustainability of, remission, and to evaluate the relationship between remission, function and structure.Post hoc analyses were performed from the 12-month, double-blind period of the Abatacept study to Gauge Remission and joint damage progression in methotrexate (MTX)-naive patients with Early Erosive rheumatoid arthritis (AGREE) in patients with early RA (?2 years) and poor prognostic factors, comparing abatacept plus MTX (n = 210) versus MTX alone (n = 209).At month 12, Disease Activity Score 28, Simplified Disease Activity Index (SDAI), Clinical Disease Activity Index and Boolean remission rates were, for abatacept plus MTX versus MTX alone: 47.6 % versus 27.3 %, 33.3 % versus 12.4 %, 34.3 % versus 16.3 %, and 23.8 % versus 5.7 %, respectively. Cumulative probability demonstrated higher proportions achieving first remission and first sustained remission for abatacept plus MTX versus MTX alone (e.g., 23.3 % [95 % confidence interval (CI): 17.6, 29.1] vs 12.9 % [8.4, 17.5] for first SDAI remission over 0-6 months). For patients in SDAI remission at month 3, mean Health Assessment Questionnaire-Disability Index at month 12 was 0.20 versus 0.50 for abatacept plus MTX versus MTX alone. Mean changes in radiographic score from baseline to month 12 were minimal for patients in SDAI remission at month 3 in both groups, while less structural damage progression was seen, 0.75 versus 1.35, respectively, for abatacept plus MTX versus MTX alone for patients with moderate/high disease activity at month 3 (adjusted mean treatment difference: -0.60 [95 % CI: -1.11, -0.09; P < 0.05]).High proportions of abatacept plus MTX-treated patients achieved stringent remission criteria. Remission was associated with long-term functional benefit; dissociation was seen between clinical and structural outcomes for abatacept. These findings highlight the impact of reaching stringent remission targets early, on physical function and structural damage, in MTX-naïve biologic-treated patients.ClinicalTrials.gov identifier NCT00122382. Registered 19 July 2005.

SUBMITTER: Smolen JS

PROVIDER: S-EPMC4494702 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature

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Attainment and characteristics of clinical remission according to the new ACR-EULAR criteria in abatacept-treated patients with early rheumatoid arthritis: new analyses from the Abatacept study to Gauge Remission and joint damage progression in methotrexate (MTX)-naive patients with Early Erosive rheumatoid arthritis (AGREE).

Smolen Josef S JS Wollenhaupt Jürgen J Gomez-Reino Juan J JJ Grassi Walter W Gaillez Corine C Poncet Coralie C Le Bars Manuela M Westhovens Rene R

Arthritis research & therapy 20150611

<h4>Introduction</h4>This study evaluated various remission criteria in abatacept plus methotrexate (MTX)-treated patients with early rheumatoid arthritis (RA). We aimed to investigate the time to, and sustainability of, remission, and to evaluate the relationship between remission, function and structure.<h4>Methods</h4>Post hoc analyses were performed from the 12-month, double-blind period of the Abatacept study to Gauge Remission and joint damage progression in methotrexate (MTX)-naive patien ...[more]

PMID: 26063454

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Project description:Rheumatoid arthritis (RA) is a chronic, inflammatory disease affecting synovial joints. Patients with persistent, active disease have traditionally been treated with disease-modifying antirheumatic drugs (DMARDs) (eg, methotrexate) or biologic agents (eg, tumor necrosis factor [TNF] antagonists). However, patients may discontinue these treatments due to toxicity, infection, or lack of efficacy. Two additional biologic therapies-rituximab and abatacept-are currently available for TNF-antagonist inadequate responders. Abatacept is also indicated for inadequate responders to traditional DMARDs.The aims of this review was to provide an overview of the issues surrounding the treatment of RA patients experiencing inadequate responses to current treatment and to discuss the current and future impact of abatacept on the RA treatment armamentarium.The MEDLINE, EMBASE, and BIOSIS databases were searched (search dates: January 1, 2000-September 19, 2007) using the terms abatacept or CTLA-4 or Orencia with rheumatoid arthritis. Full text articles in English were selected for relevance, and only articles presenting primary clinical trial data from randomized, placebo-controlled, clinical trials of abatacept were included. This review focused on the Phase III trials of abatacept in methotrexate and/or TNF-antagonist inadequate responders, as these trials had the largest number of patients and the longest study durations.The literature search initially yielded 848 papers. A total of 12 articles fulfilled the inclusion criteria. Abatacept is a novel agent that has been reported to reduce the signs and symptoms of RA in patients with active RA with an inadequate response to DMARDs and/or TNF-antagonist treatment. In both of these patient populations, treatment with abatacept was found to provide clinically meaningful health-related quality-of-life benefits, such as improvements in physical function, activity limitation, sleep, and fatigue. Abatacept was reported to have a consistent safety and tolerability profile, with a low rate (3.5%-4.2%) of discontinuation due to adverse events.The efficacy and tolerability data from Phase III clinical trials suggest that abatacept is an effective and generally well tolerated treatment option for RA patients with an inadequate response to methotrexate and/or TNF antagonists.

Project description:IntroductionOne target of rheumatoid arthritis (RA) treatment is to achieve early sustained remission; over the long term, patients in sustained remission have less structural joint damage and physical disability. We evaluated Simplified Disease Activity Index (SDAI) remission with abatacept + methotrexate versus abatacept placebo + methotrexate and impact of de-escalation (DE) in anti-citrullinated protein antibody (ACPA)-positive patients with early RA.MethodsThe phase IIIb, randomized, AVERT-2 two-stage study (NCT02504268) evaluated weekly abatacept + methotrexate versus abatacept placebo + methotrexate.Primary endpointSDAI remission (≤ 3.3) at week 24. Pre-planned exploratory endpoint: maintenance of remission in patients with sustained remission (weeks 40 and 52) who, from week 56 for 48 weeks (DE period), (1) continued combination abatacept + methotrexate, (2) tapered abatacept to every other week (EOW) + methotrexate for 24 weeks with subsequent abatacept withdrawal (abatacept placebo + methotrexate), or (3) withdrew methotrexate (abatacept monotherapy).ResultsPrimary study endpoint was not met: 21.3% (48/225) of patients in the combination and 16.0% (24/150) in the abatacept placebo + methotrexate arm achieved SDAI remission at week 24 (p = 0.2359). There were numerical differences favoring combination therapy in clinical assessments, patient-reported outcomes (PROs) and week 52 radiographic non-progression. After week 56, 147 patients in sustained remission with abatacept + methotrexate were randomized (combination, n = 50; DE/withdrawal, n = 50; abatacept monotherapy, n = 47) and entered DE. At DE week 48, SDAI remission (74%) and PRO improvements were mostly maintained with continued combination therapy; lower remission rates were observed with abatacept placebo + methotrexate (48.0%) and with abatacept monotherapy (57.4%). Before withdrawal, de-escalating to abatacept EOW + methotrexate preserved remission.ConclusionsThe stringent primary endpoint was not met. However, in patients achieving sustained SDAI remission, numerically more maintained remission with continued abatacept + methotrexate versus abatacept monotherapy or withdrawal.Trial registrationClinicalTrials.gov identifier, NCT02504268. Video abstract (MP4 62241 KB).

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