Abstract
Objectives
To evaluate retention, efficacy, and safety of subcutaneous (SC) abatacept over 2 years in patients with moderate-to-severe RA in the Abatacept SubCutaneOus in Routine clinical practicE (ASCORE) study.
Methods
Patients with RA who initiated SC abatacept 125 mg once weekly were enrolled in the international, observational, prospective multicentre ASCORE study into biologic-naïve or ≥ 1 prior biologic failure cohorts. Primary endpoint: abatacept retention rate at 2 years. Secondary endpoints: proportion of patients with good/moderate EULAR response rates based on DAS28 (ESR), low disease activity and/or remission according to DAS28 (ESR; ≤ 3.2/ < 2.6), SDAI (≤ 11/ ≤ 3.3), CDAI (≤ 10/ ≤ 2.8), and Boolean criteria. Retention rate by baseline serostatus was evaluated post hoc.
Results
Overall, 47% of patients remained on abatacept for 2 years, irrespective of treatment line. Higher abatacept retention rates were associated with lower prior biologic exposure. Generally, clinical outcomes showed that the proportion of patients with low disease activity/remission was higher in biologic-naïve patients (vs biologic-failure) and similar in those with 1 and ≥ 2 prior biologic failures. In patients on treatment at 2 years, good/moderate EULAR response rates of ~ 80% were consistently noted irrespective of prior biologic exposure. Across treatment lines, retention was greater in patients with seropositive (vs seronegative) RA. Patients with rheumatoid factor/anti-citrullinated protein antibody single-positive RA who were bio-naïve had higher retention than patients who were bio-experienced.
Conclusions
In the ASCORE study, SC abatacept retention was 47% at 2 years with good clinical outcomes and was well-tolerated in the real-world setting. Abatacept retention and clinical response rates were higher in patients who received abatacept as an earlier- versus later-line biologic drug treatment and in those with seropositive RA.
Trial registration
ClinicalTrials.gov, NCT02090556.
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Introduction
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterised by systemic inflammation that leads to structural joint damage in nearly all patients, if left untreated [1]. The presence of rheumatoid factor (RF) and anti-citrullinated protein antibodies (ACPAs) are associated with a severe and aggressive disease course in patients with RA [2] and the effect of serostatus on response to therapy is not fully understood. For patients with established RA, treatment approaches aim for sustained clinical remission, with low disease activity (LDA) as a possible alternative outcome [3, 4]. The treat-to-target approach is advocated both by the American College of Rheumatology (ACR) and the European League Against Rheumatism (EULAR), and early use of immunomodulatory biologic and targeted synthetic disease-modifying antirheumatic drugs (bDMARDs/tsDMARDs) when conventional synthetic DMARDs (csDMARDs) fail to reach therapeutic targets by 3 to 6 months is recommended [3, 4].
Abatacept is a selective co-stimulation modulator that blocks the interaction between CD80/CD86 on antigen-presenting cells and CD28 on T cells, thus disrupting the continuous cycle of T cell activation [5]. Abatacept has proven efficacy and safety in the treatment of patients with RA and, along with other bDMARDs, it is approved for the treatment of moderate-to-severe RA [6,7,8]. The SC and IV formulations of abatacept have demonstrated comparable efficacy (ACR 20% improvement criteria [ACR20] response was met by 76.0% of SC and 75.8% of IV abatacept-treated patients) and safety in the phase III ACQUIRE (Abatacept Comparison of Sub[QU]cutaneous versus Intravenous in inadequate REsponders to methotrexate) study [6]. Additionally, ACPA positivity has been associated with a better response with and greater retention of abatacept than ACPA negativity [9, 10].
Stringent requirements for participation in randomised controlled trials (RCTs) means that study participants may not fully represent the clinical population [11]. As such, real-world data provide valuable insights into the long-term use of bDMARDs in patients with RA in clinical settings [12].
ASCORE (Abatacept SubCutaneOus in Routine clinical practicE) was a 2-year, observational, prospective multicentre study of the efficacy and safety of SC abatacept for the treatment of patients with moderate-to-severe active RA in routine clinical practice. Interim analyses of the ASCORE study at 6 months and 1 year showed better retention rates and clinical response rates in patients receiving SC abatacept as a first- versus later-line bDMARD [13, 14].
The objectives of this analysis were to investigate the patient treatment retention, efficacy, and safety of SC abatacept in routine clinical practice by previous biologic exposure. Here we report the final 2-year results for all patients enrolled in the ASCORE study.
Methods
Study design
ASCORE was an international, observational, prospective multicentre cohort study (ClinicalTrials.gov: NCT02090556) of patients with RA in routine clinical practice.
Patients were recruited from February 2013 until April 2017 from 10 countries across Europe (including Austria, France, Monaco, Germany, Greece, Italy, Netherlands, Spain, Switzerland, and UK) and Australia. All participating countries involved were required to have regulatory approval and market availability of the delivery device to ensure drug availability for all eligible patients. SC abatacept was initiated under the guidance of the treating physician and in accordance with local routine clinical practices. No product was provided to the physicians or patients directly by the study sponsor, and the observational design of the study did not interfere with usual local clinical practice. Patients who met inclusion criteria received follow-up approximately every 3 months for 30 months, in line with routine clinical practice. Those patients who discontinued SC abatacept, regardless of the reason and time of discontinuation, were followed up to the planned 24-month follow-up.
The rheumatologists involved in the study were randomly selected from country-specific nationwide independent databases of specialists located in hospitals or private practice for a well-balanced geographic distribution and were representative of specialists caring for patients with RA in each participating country.
The study was conducted in accordance with the Declaration of Helsinki [15], the International Conference on Harmonisation Good Clinical Practice Guidelines [16], and the International Society for Pharmacoepidemiology (ISPE) Guidelines for Good Epidemiology Practices [17]. The laws and regulatory requirements of all countries participating in this study were adhered to. The study protocol and patient enrolment materials were approved according to local law in each participating country prior to initiation of the study. All enrolled patients provided informed consent in accordance with local laws.
Study population
Patients aged ≥ 18 years with an active moderate-to-severe RA diagnosis (as defined by ACR/EULAR 2010 criteria [18]) who were IV abatacept-naïve were eligible for inclusion in ASCORE. Patients who initiated SC abatacept 125 mg once weekly were enrolled into two cohorts: biologic-naïve patients and those with ≥ 1 failure of prior biologic treatment. Specific exclusion criteria were not defined in this observation study; however, patients who were currently participating in any interventional clinical trial in RA were excluded.
Study assessments and outcomes
Patient demographics and disease characteristics at the time of initiation of abatacept were recorded by treatment line. Past and present comorbidities were noted.
Retention and efficacy
The primary endpoint of the ASCORE study was the retention rate of abatacept (defined as consecutive time on treatment over 2 years) by treatment line. Discontinuation of abatacept in this study was defined as the switch from abatacept (SC or IV formulation) to any other RA DMARD or no treatment. For the primary endpoint, patients who switched from SC to the IV formulation of abatacept were considered to have discontinued. Patients lost to 2-year follow-up were excluded from analysis.
Secondary endpoints included the proportion of patients with good/moderate EULAR response rates based on Disease Activity Score in 28 joints (DAS28; erythrocyte sedimentation rate [ESR] or C-reactive protein [CRP]) by treatment line. LDA and/or remission according to DAS28 (ESR; ≤ 3.2/ < 2.6), Simplified Disease Activity Index (SDAI; ≤ 11/ ≤ 3.3), Clinical Disease Activity Index (CDAI; ≤ 10/ ≤ 2.8), and Boolean criteria by treatment line were also assessed [19]. A post hoc exploratory endpoint was the retention rate of abatacept by baseline serostatus, RF/ACPA double-positive RA, RF/ACPA single-positive (RF + /ACPA − or RF − /ACPA +) RA, and RF/ACPA double-negative RA. Additional exploratory evaluations included change from baseline in disease activity and the proportion of patients with SDAI and CDAI LDA and/or remission in patients with RF/ACPA double-positive RA and RF/ACPA double-negative RA.
Safety
Safety was monitored and evaluated in accordance with local regulations. The drug manufacturer’s pharmacovigilance department was notified of any adverse events (AEs) or serious adverse events (SAEs) assessed by the treating physician whether or not related to abatacept. An SAE was defined as an AE that was fatal or life-threatening, required extended hospitalisation, led to persistent or significant disability or incapacity, induced a birth defect, or was considered an important medical event. Deaths from any cause were reported.
Statistical analyses
The calculation of the sample size was based on accuracy of the estimation of studied endpoints. Accuracy was estimated through estimate precision (95% confidence interval [CI]) and sample size was dependent on assumption of retention rate at 24 months. At the country level, a 95% CI for an assumed 60% retention rate at 24 months > 7.8% (sample size lower than 150 in single cohort) was considered a low precision level. As a consequence, country-specific results were considered statistically relevant only for samples including a minimum of 150 patients.
For each cohort, all patients fulfilling the study selection criteria and those who received at least one dose of abatacept SC were included in the analysis population. Baseline demographics and disease characteristics were analysed descriptively and reported as mean (standard deviation [SD]) for continuous variables and n (%) for categorical variables. The primary endpoint, 2-year retention rate, was estimated by Kaplan–Meier analysis with 95% CI and a log-rank test for comparison of patients stratified by previous biologic treatment exposure. Clinical outcomes at 2 years were reported as percentages with 95% CI. An exploratory analysis, similar to the primary analysis, included patients who discontinued SC and switched to the IV formulation of abatacept. For the post hoc analysis, estimates of mean difference with 95% CIs between patients with different serostatus were calculated using a t-test by treatment line. Last observation carried forward efficacy analyses were used to impute missing values for exploratory endpoints. The statistical analyses were performed using SAS version 9.2 (SAS Institute, NC, USA). Safety was analysed descriptively throughout the study and is presented for the overall population as well as by treatment line.
Results
Patient disposition and baseline characteristics
In total, 2956 patients were enrolled in the ASCORE study (Fig. 1). Eleven patients were excluded from the examined population (due to no recorded date of consent or date of visit 1), leaving 2945 patients from 10 countries enrolled by 574 participating rheumatologists (online supplemental Table 1). The overall evaluable population consisted of 2892 patients (53 patients were excluded due to not meeting inclusion criteria, including 34 who were not IV abatacept-naïve): 1198 (41.4%) were biologic-naïve and 1694 (58.6%) experienced prior biologic treatment failure (Fig. 1). Of those who had prior biologic treatment failure, 750 and 944 had failed 1 and ≥ 2 treatments, respectively. Lack of efficacy (66.3%) and intolerance/safety (26.6%) were the most common reasons for discontinuation of the last previous biologic for patients with ≥ 1 failure of prior biologic treatment.
At baseline, overall patient demographics (mean age 58 years, 79% female, 77% reported comorbidities, of which hypertension, dyslipidaemia, hypothyroidism, and diabetes were most frequently reported) and disease characteristics were similar across treatment lines (Table 1). However, trends were noted between patients who had a higher versus lower number of prior biologic treatments. For example, a higher proportion of patients with ≥ 2 prior biologic treatment failures had a longer disease duration and more erosive disease compared to those with failure of 1 prior biologic treatment and patients who were biologic-naïve. In biologic-naïve patients, higher methotrexate use was noted compared to those patients with prior biologic treatment failure. At treatment initiation, biologic-naïve patients had higher concomitant methotrexate, csDMARD, and glucocorticoid use than patients with prior biologic treatment failure (data not shown). Baseline demographics and disease characteristics were similar across serostatus groups and treatment lines (online supplemental Table 2).
Efficacy
Retention
Overall SC abatacept crude retention rate (95% CI) at 2 years was 47.3% (45.6 to 49.2). Retention was higher in patients receiving abatacept as a first- versus later-line biologic; 51.7% (48.8 to 54.7) in biologic-naïve patients, 45.6% (41.9 to 49.3) in those with ≥ 1 prior biologic treatment failure, and 43.2% (39.8 to 46.4) in those with ≥ 2 prior biologic treatment failures (Fig. 2A). In patients with RF/ACPA double-positive RA, abatacept retention was greater for biologic-naïve patients than in those with ≥ 1 prior biologic treatment failure (57% vs 48%) (Fig. 2B and C; combined data from patients with 1 and ≥ 2 failures of prior biologic treatment presented as further stratification would result in small patient numbers). Retention in patients with RF/ACPA single-positive RA was greater in biologic-naïve patients compared to those with ≥ 1 prior biologic treatment failure (50% vs 40%), while retention in patients with RF/ACPA double-negative RA was similar regardless of treatment line (biologic-naïve patients 37% vs 42% for those with ≥ 1 prior biologic treatment failure). Retention in patients with RF/ACPA double-positive RA was greater than that seen in patients with RF/ACPA double-negative RA across treatment lines.
At 2 years, 1459 patients had discontinued SC abatacept—the majority (n = 643; 44.1%) due to inefficacy, with 304 (20.8%) discontinuing due to safety, and 42 (2.9%) lost to follow-up and excluded from analysis. These discontinuations of SC abatacept remained linear throughout the study time period (data not shown).
Clinical outcomes and exploratory analysis
In patients on treatment at 2 years, the proportion of patients with good/moderate EULAR response rates were similar—82.4% (224/272), 81.8% (112/137), and 79.3% (119/150) at 2 years—in biologic-naïve patients as well as in patients with 1 and ≥ 2 failures of prior biologic treatment, respectively (Fig. 3). The corresponding proportions of patients with DAS28 (ESR), SDAI, CDAI LDA and/or remission, and Boolean remission were higher with abatacept as an earlier- versus later-line biologic at 2 years (Fig. 3).
Exploratory evaluations of change from baseline in disease activity scores (SDAI and CDAI) at 24 months demonstrated that patients with RF/ACPA double-positive RA treated with first-line abatacept experienced a greater reduction in disease activity than those receiving later-line therapy. Patients with RF/ACPA double-negative RA experienced less reduction in disease activity regardless of therapy line (data not shown). Comparable changes from baseline were observed in DAS28 (CRP) scores (data not shown). The proportion of patients with SDAI and CDAI LDA and/or remission in patients with RF/ACPA double-positive RA and RF/ACPA double-negative RA was higher with abatacept as an earlier- versus later-line biologic at 2 years (Fig. 4A). A lower proportion of patients with RF/ACPA double-negative (compared with RF/ACPA double-positive) RA achieved LDA/remission regardless of line of treatment (Fig. 4A). The proportion of biologic-naïve patients with CDAI and SDAI remission was 24.3% and 24.3% (RF/ACPA double-positive RA) and 8.9% and 9.1% (RF/ACPA double-negative RA), respectively (Fig. 4B).
In an exploratory analysis including those patients (n = 7; 0.5%) who discontinued SC and switched to the IV formulation of abatacept, overall retention at 2 years (47.9 [95% CI 46.0 to 49.8]) was similar to the main analysis where these patients were excluded (online supplemental Fig. 1).
Safety
Safety profiles were similar across treatment lines, with no new signals for abatacept reported during the study period. Overall, 54.5% of patients reported ≥ 1 AE (1576/2892) and 16.5% of patients reported ≥ 1 SAE (476/2892), with 226 (7.8%) patients having SAEs related to abatacept (Table 2). There were 35 deaths during the study period, and abatacept discontinuation due to death was recorded for 12 patients (Table 2).
Discussion
The findings from the prospective international ASCORE study of SC abatacept in real-world clinical practice showed that overall, 47% of patients remained on abatacept treatment for 2 years. Higher retention of abatacept at 2 years was associated with lower previous exposure to biologics, with biologic-naïve patients showing a retention rate of 52% compared to a rate of 46% in patients with previous prior biologic treatment failure. In this real-world analysis, biologic-naive patients with RF and ACPA positive RA also had higher abatacept retention than those with previous prior biologic treatment failure. In addition, patients with RF/ACPA double-positive RA had greater retention greater than those with RF/ACPA double-negative RA.
Clinical outcomes showed that the proportion of patients with DAS28 (ESR) ≤ 3.2 was higher in patients who were biologic naïve than in those with biologic failure and similar in those with 1 and ≥ 2 failures of prior biologic treatment. The proportion of patients in SDAI and CDAI LDA and/or remission were most improved in the biologic-naïve cohort. The proportion of patients in Boolean remission was similar in the biologic-naïve and 1 prior biologic treatment failure lines and higher than in the ≥ 2 prior biologic treatments failure line. In patients on treatment at 2 years, good/moderate EULAR response rates were consistently noted in approximately 80% of patients irrespective of prior biologic exposure. These observations are in line with the interim analyses of the ASCORE study that showed better retention rates (6 months, 88%; 1 year, 65%) and clinical response rates in patients receiving SC abatacept as a first- versus later-line bDMARD [13, 14]. Exploratory evaluations of clinical outcomes by serostatus showed greater reduction in disease activity (SDAI and CDAI) in patients with RF/ACPA double-positive RA treated with first-line abatacept than in those receiving later-line therapy and those who had RF/ACPA double-negative RA. In addition, a higher proportion of patients with RF/ACPA double-positive RA were in SDAI and CDAI LDA and/or remission compared with patients with RF/ACPA double-negative RA. Similarly, a higher proportion of patients who received earlier-line abatacept were in SDAI and CDAI LDA and/or remission compared with patients who received abatacept as a later-line biologic with RF/ACPA double-negative RA. The higher retention and responder rates seen in patients with seropositive disease are consistent with abatacept’s mechanism of action of interrupting T-cell co-stimulation and associated downstream processes, such as ACPA generation, by binding CD80/CD86 on B cells [20]. These data support the importance of precision medicine in treating patients with RA.
The retention rates reported here were consistent with findings from independent registry studies for SC and IV abatacept [21,22,23]. Similar to those seen with the SC formulation, IV abatacept retention rates overall in the real-world AbataCepT In rOutiNe clinical practice (ACTION; recruited patients 2008–2013) study were comparable to those reported here; for ACTION at 2 years, overall retention was 48% [24]. In addition, retention rates reported in the ACTION study in earlier lines of treatment were higher than those in later lines of treatment in patients with RA; these being 55% for biologic-naïve and 45% for biologic-failure patients [10, 25, 26]. A 2-year abatacept retention rate of 39.3% was reported for patients with biologic failure in the Orencia and Rheumatoid Arthritis (ORA) registry [23]. An observational study, based on data from the French-RIC Network, reported a 2-year abatacept persistence of 52% in patients with RA [27]. In RCTs, higher retention rates of abatacept are reported; for example, in excess of 80% of patients remained in the Abatacept Comparison of sub[QU]taneous versus intravenous in Inadequate Responders to methotrexatE (ACQUIRE) study (up to a maximum of 3.5 years) [28] and at year 2 of the Abatacept or infliximab versus placebo, a Trial for Tolerability, Efficacy and Safety in Treating rheumatoid arthritis (ATTEST) study [29] and at year 1 of the Abatacept versus adaliMumab comParison in bioLogic-naïvE rheumatoid arthritis subjects with background methotrexate (AMPLE) studies [30]. These differences may be in part due to the variations in patient populations, particularly with RCT participants not being fully representative of the clinical population [11].
The retention rates reported with other biologics are generally similar to those reported in the current analysis for abatacept (online supplemental table S3) [31,32,33,34,35]. In the clinical practice setting, a 61% retention rate was observed at 2 years for tocilizumab [35], whereas a registry study reported 3-year tocilizumab retention rates as 52% in bDMARD-naïve patients and 51% and 47% in patients with 1 or 2 prior bDMARD failures, respectively [32]. A population-based prospective study in France reported 2-year retention rates of 69% for rituximab, 39% for abatacept, and 63% for tocilizumab in patients with RA in routine practice [23]. In addition, 2-year retention rates of 31%, 40%, and 53% have been noted for adalimumab, etanercept, and golimumab, respectively, in an Italian registry study of patients with RA who previously failed tumour necrosis factor inhibitor treatment [34]. Another study from the same Italian registry reported a 2-year retention rate of 47% for golimumab; however, similar retention rates between first- and second-line treatment were noted [31]. A recent retrospective study observed 3-year retention rates of 53% for infliximab and 76% for abatacept in biologic-naïve and -failure patients with RA [33]. In general, reported biologic retention rates are higher for patients who are treated earlier.
As previously reported with abatacept [10, 25, 26, 36] and other bDMARDs [37, 38], the clinical outcomes reported here were higher in biologic-naïve patients than in those with failure of prior biologic treatments and may suggest a greater benefit of earlier treatment [4]. The results from a study with tocilizumab showed equal efficacy in biologic-naïve patients as those with 1 or 2 previous bDMARD failures; however, overall treatment effectiveness was lower in those with > 2 failures [32]. Data from a Pan-European registry analysis also demonstrated that RF and ACPA positivity were associated with better abatacept retention [39].
Safety profiles for abatacept were similar across treatment lines in this study. The safety data reported were consistent with those previously reported for clinical trials [30] and real-life experience with SC abatacept [40], and with real-world IV abatacept studies (e.g. 8% of patients reported SAEs in ACTION) [24]. Similarly, the reported safety, efficacy, and retention rates observed for tocilizumab were comparable with IV and SC formulations [41, 42].
The SC route of administration is preferred by most patients due to its enhanced convenience and flexibility compared to IV administration [43]. The data reported here provide clinicians with valuable real-world evidence for the use of bDMARDs in a large population of international patients with RA in clinical settings.
The known inherent limitations of observational real-world studies include referral and channelling bias, the absence of an active comparator, and the loss of patients to follow-up. However, in the current study, few patients were lost to follow-up over 2 years (2.9%), which may be due in part to the study methodology not interfering with the usual clinical care of patients with RA. Conversely, as there was no study requirement for the investigator to perform follow-up visits or clinical assessments in addition to their routine clinical practices (consistent with other clinical practice studies worldwide), the data generated could be considered incomplete compared to data obtained from more stringently controlled clinical trials. Furthermore, due to the voluntary basis of the study, the participating rheumatologists may not be fully representative of all clinicians, although this potential bias is unavoidable and its impact is difficult to directly assess.
Conclusions
In the ASCORE study, a 47% SC abatacept retention rate was observed at 2 years along with good clinical efficacy and safety outcomes in a real-world setting. Abatacept retention and clinical response rates were higher in patients who received abatacept earlier (compared with later) in their biologic drug treatment history and in those with RF/ACPA double-positive RA (compared with RF/ACPA double-negative RA). In routine clinical practice, overall retention of SC abatacept was similar to that of IV abatacept.
When determining the most appropriate treatment option for a patient, the route of administration can be an important factor for consideration; for example, SC formulations provide greater convenience as they can be administered by the patients at home [44]. These clinically applicable findings for SC abatacept have the potential to inform individualised treat-to-target plans for optimal and flexible therapeutic management of patients with moderate-to-severe RA.
Data availability
The Bristol Myers Squibb policy on data sharing may be found at https://www.bms.com/researchers-and-partners/independent-research/data-sharing-request-process.html.
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Acknowledgements
We thank the patients and all the investigators who participated in the study. The authors acknowledge the support of Manuela Le Bars with study concept and design. The clinical research organisation involved in the ASCORE study was inVentiv Health Clinical. Statistical analysis support was provided by Florence Mercier (Stat Process), Julia Heitzmann (Excelya), and Nicolas Billard (Excelya). Professional medical writing and editorial assistance was provided by Fiona Boswell, PhD, at Caudex and was funded by Bristol Myers Squibb.
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This study was sponsored by Bristol Myers Squibb.
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RA, CR, MC, and PP were involved in study conception and design. RA, R-MF, YP, BB, SMB, MN, MHB, HG, PP, and RS acquired the data. RA, R-MF, YP, KL, CR, MC, SEC, SMB, XM, MN, MHB, RC, HG, PP, and RS analysed and interpreted the data. All authors were involved in drafting the article or revising it critically for important intellectual content, and all authors approved the final version to be published.
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CR, MC, KL, and SEC are employees and shareholders of Bristol Myers Squibb. BB, YP, and PP have no competing interests. SMB declares consulting/grant/research support/speaker fees from AbbVie, Bristol Myers Squibb, Gilead/Galapagos, Janssen, MSD, Novartis, Pfizer, Roche, Sandoz, Sanofi, and UCB. MHB declares consulting/grant/research support from AbbVie, Boehringer Ingelheim, Bristol Myers Squibb, Eli Lilly, EMD Serono, Pfizer, Roche, Sanofi, and UCB. RC declares consulting and speaker fees from AbbVie, Amgen, Bristol Myers Squibb, Celltrion, Fresenius Kabi, Gilead/Galapagos, Eli Lilly, MSD, Pfizer, Roche, Sanofi, and UCB. R-MF declares consulting and speaker fees from AbbVie, Bristol Myers Squibb, Eli Lilly, MSD, Pfizer, Roche-Chugai, and Sanofi. HG declares consulting/research support/speaker fees from AbbVie, Gilead, Pfizer, and Roche. XM declares honoraria from Bristol Myers Squibb, Galapagos, Gilead, GSK, Janssen, Novartis, Pfizer, and UCB. MN declares consulting/grant/research support/speaker fees from AbbVie, Bristol Myers Squibb, Celgene, Celltrion, Eli Lilly, Galapagos, Janssen, MSD, Mundipharma, Novartis, Pfizer, Roche, and Sanofi. RS declares consulting/grant support from AbbVie, Bristol Myers Squibb, Fresenius, Gebro Pharma, Gilead/Galapagos, Eli Lilly, Pfizer, Roche, Sandoz, and Sanofi. RA declares speaker fees from AbbVie, Amgen, Bristol Myers Squibb, Celltrion, Galapagos, Gilead, Eli Lilly, Novartis, Pfizer, and Roche. Consulting fees from Celltrion, Galapagos, Gilead, Eli Lilly, and Novartis. Research support from Bristol Myers Squibb, Galapagos, Gilead, Novartis, and Pfizer.
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Key Points.
• Retention of subcutaneous abatacept was 47% at 2 years with good clinical outcomes and was well tolerated in the real-world setting.
• Both retention and clinical response rates were higher in patients who received abatacept as an earlier- versus later-line biologic drug treatment.
• These real-world, clinically applicable findings have the potential to inform individualised treat-to-target plans and provide optimal therapeutic management of patients with moderate-to-severe rheumatoid arthritis.
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Alten, R., Mariette, X., Flipo, RM. et al. Retention of subcutaneous abatacept for the treatment of rheumatoid arthritis: real-world results from the ASCORE study: an international 2-year observational study. Clin Rheumatol 41, 2361–2373 (2022). https://doi.org/10.1007/s10067-022-06176-1
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DOI: https://doi.org/10.1007/s10067-022-06176-1