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Clinical Benefit of Long-Term Adalimumab Treatment in Patients With Crohn's Disease Following Loss of Response or Intolerance to Infliximab: 96-Week Efficacy Data From GAIN/ADHERE Trials.

ABSTRACT: Background and Aims:In the 4-week GAIN clinical trial, adalimumab was efficacious in inducing remission in patients with moderate-to-severe Crohn's disease [CD] who had prior loss of response/intolerance to infliximab. The efficacy and safety of adalimumab in these patients are reported here for up to 96 weeks or for 3 years, respectively, in the ADHERE open-label extension study. Methods:Patients who completed GAIN could enrol in ADHERE and receive open-label adalimumab 40 mg every other week. Efficacy variables included clinical response (Crohn's Disease Activity Index [CDAI] decrease from baseline ?70/?100 points [CR-70/CR-100]) and remission [CDAI<150], steroid discontinuation and fistula remission [absence of drainage]. Data were reported using hybrid non-responder imputation [hNRI], last observation carried forward and as-observed analysis. Subgroup analyses were performed by randomized group in GAIN and by Week 4 efficacy in GAIN. Safety was also assessed. Results:A total of 310 patients from GAIN enrolled in ADHERE. CR-70, CR-100 and remission rates at Week 96 were 39.0%, 35.5%, and 26.5% [hNRI], respectively. Of the patients with CR-70 response or remission at Week 4 of GAIN, 45.5% and 44.4% [hNRI], respectively, maintained the effect at Week 96. Steroid discontinuation and steroid-free remission rates increased from Week 12 to 96 in patients using corticosteroids at GAIN baseline. Conclusions:Long-term adalimumab maintenance therapy led to sustained clinical remission and response, and steroid discontinuation in a considerable proportion of patients with CD previously treated with infliximab. No new safety signals were observed in this patient population.

SUBMITTER: Panaccione R

PROVIDER: S-EPMC6065484 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Clinical Benefit of Long-Term Adalimumab Treatment in Patients With Crohn's Disease Following Loss of Response or Intolerance to Infliximab: 96-Week Efficacy Data From GAIN/ADHERE Trials.

Panaccione Remo R Sandborn William J WJ D'Haens Geert G Wolf Douglas C DC Berg Sofie S Maa Jen-Fue JF Petersson Joel J Robinson Anne M AM

Journal of Crohn's & colitis 20180701 8

<h4>Background and aims</h4>In the 4-week GAIN clinical trial, adalimumab was efficacious in inducing remission in patients with moderate-to-severe Crohn's disease [CD] who had prior loss of response/intolerance to infliximab. The efficacy and safety of adalimumab in these patients are reported here for up to 96 weeks or for 3 years, respectively, in the ADHERE open-label extension study.<h4>Methods</h4>Patients who completed GAIN could enrol in ADHERE and receive open-label adalimumab 40 mg eve ...[more]

PMID: 29697818

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Project description:Introduction: Up to 40% of patients with Crohn's disease do not respond to treatment with anti-TNF or lose response after the initial benefit. Low drug concentrations have been proposed as the main predictor of treatment failure. Our aim was to study the immunological profile and clinical evolution of patients with Crohn's disease according to the anti-TNF dose and serum trough levels. Methods: Crohn's disease patients in remission treated with infliximab or adalimumab at stable doses for at least for 3 months were included. Serum levels of anti-TNF, TNF-α, interferon-γ, and interleukin IL-12, IL-10, and IL-26 were determined in blood samples taken just before drug administration. Patients were classified according to anti-TNF levels below, within, or above the target level range and the use of intensified doses. Clinical evolution at 6 months was analyzed. Results: A total of 62 patients treated with infliximab (8 on intensified schedule) and 49 treated with adalimumab (7 on intensified schedule) were included. All infliximab-treated patients showed levels within the recommended range, but half of adalimumab-treated patients were below the recommended range. A significant negative relationship between body weight and adalimumab levels was observed, especially in patients treated with intensified doses. Patients with infliximab levels over 8 µg/ml presented higher median IL-10 than patients with in-range levels (84.0 pg/ml, interquartile range [IQR] 77.0-84.8 vs. 26.2 pg/mL, IQR 22.6-38.0; p < 0.001), along with lower values of interferon-γ (312.9 pg/ml, IQR 282.7-350.4 vs. 405.6 pg/ml, IQR 352.2-526.6; p = 0.005). Patients receiving intensified versus non-intensified doses of infliximab showed significantly higher IL-26 levels (91.8 pg/ml, IQR 75.6-109.5 vs. 20.5 pg/ml, IQR 16.2-32.2; p = 0.012), irrespective of serum drug levels. Patients with in-range levels of adalimumab showed higher values of IL-10 than patients with below-range levels (43.3 pg/ml, IQR 35.3-54.0 vs. 26.3 pg/ml, IQR 21.6-33.2; p = 0.001). Patients treated with intensified vs regular doses of adalimumab had increased levels of IL-12 (612.3 pg/ml, IQR 570.2-1353.7 vs. 516.4 pg/mL, IQR 474.5-591.2; p = 0.023). Four patients with low adalimumab levels (19%) and four treated with intensified doses were admitted to a hospital during a follow-up compared to none of the patients with levels within the range. Conclusion: Patients with Crohn's disease treated with infliximab and adalimumab exhibit differences in serum levels of cytokines depending on the drug, dose intensification, and steady state trough serum levels.

Project description:IntroductionCrohn's disease (CD) is a chronic and progressive disease in which the long-term management is important. This study sought to assess treatment persistence and dose escalation in the maintenance phase with adalimumab (ADA) or infliximab (IFX) in a Japanese real-world setting.MethodsA retrospective analysis was conducted using the Japan Medical Data Center database. CD patients with either ADA or IFX prescriptions between January 2012 and February 2015 were included. Outcomes of interest were (1) failure in the induction phase (defined as switch or discontinuation) and (2) persistence in the maintenance phase (defined as the absence of switch or discontinuation over 12 months since maintenance initiation).ResultsOverall, 133 patients (53 ADA; 80 IFX) were included. Of them, treatment failed in 26 patients (19.6%) in the induction phase. During the induction phase, there was a trend towards fewer treatment failures with ADA than IFX (88.7% vs. 75.0%; p = 0.051). Of those who completed induction, 64 patients (33 ADA; 31 IFX) had at least 12 months of valid insurance enrolment after the initiation of maintenance and 13 (5 ADA; 8 IFX) had either switch or discontinuation within 12 months after the initiation of maintenance. Probabilities of switch or discontinuation over 12 months after the maintenance date were 15.2% and 20.9% for ADA and IFX groups, respectively (p-log rank = 0.7764).ConclusionJapanese patients have a high primary response to anti-tumor necrosis factor therapy in the real-world setting, in line with the results of clinical trials. This initial therapeutic advantage can be lost during the maintenance phase, leading to dose escalation, treatment switch, or discontinuation. This study suggests that those events occurred in comparable proportions of patients treated with either ADA or IFX. However, these findings should be considered with caution given the retrospective nature and small size of the study.FundingAbbvie GK, Tokyo, Japan.

Dataset Information

Clinical Benefit of Long-Term Adalimumab Treatment in Patients With Crohn's Disease Following Loss of Response or Intolerance to Infliximab: 96-Week Efficacy Data From GAIN/ADHERE Trials.

Publications

Clinical Benefit of Long-Term Adalimumab Treatment in Patients With Crohn's Disease Following Loss of Response or Intolerance to Infliximab: 96-Week Efficacy Data From GAIN/ADHERE Trials.

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