Ml28133 -A Multicenter, Open-Label, Long-Term Extension Study of WA 19926 to Describe Safety During Treatment with Tocilizumab in Patients with Early, Moderate to Severe Rheumatoid Arthritis

2017 ◽  
Vol 71 (2) ◽  
pp. 83-90
Author(s):  
Irena Kafedziska ◽  
Snezhana Mishevska-Perchinkova ◽  
Dubravka Antova ◽  
Mimoza Kotevska Nikolova ◽  
Anzhelika Stojanovska ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Side Effects ◽  
Disease Activity ◽  
Clinical Remission ◽  
Severe Disease ◽  
Activity Score ◽  
Open Label ◽  
Serious Adverse Events ◽  
Biologic Dmards

Abstract Introduction. Biologic DMARDs (Disease Modifying Anti Rheumatic Drugs) have shown to be effective in the treatment of rheumatoid arthritis (RA) resistant to the use of synthetic DMARDs. The primary goal of this study wasto assess the long-term safety of the use of tocilizumab in patients with early rheumatoid arthritis, moderate to severe disease activity. The secondary goal was to assess the efficiency of tocilizumab in achieving and maintaining clinical remission of the disease. Methods. ML28133 is a long-term, extended study of 13 patients with rheumatoid arthritis treated with tocilizumab. Two patients were male (15.4%), 11(84.61%) female. The average age of patients was 53.27+/−10.68. Patients received 8mg/kg tocilizumab i.v. every four weeks, 104 weeks overall. Safety was assessed following side effects, blood tests, physical examination and vital signs. Efficiency was assessed by achieving and maintaining clinical remission according to DAS28 (Disease Activity Score 28), global assessment of disease activity, VAS score and HAQ-DI (Health Activity Score) questionnaire. Results. Incidence of side effects was 76.92%. Infections were of special interest and were most common (15.3%). Four patients had serious adverse events, three of which associated with tocilizumab, and therapy was stopped. In 11 (84.6%) of the 13 treated patients clinical remission was achieved at times. At the end of the study, 8 out of 9 patients were in remission. Conclusion. The results have shown significant therapeutic effect of tocilizumab even in the most severe forms of the disease, which gives hope for its use as a monotherapy.

scholarly journals The Use of Tocilizumab in Combination with Methotrexate in Indonesian Rheumatoid Arthritis Patients (PICTURE INA Study)

2018 ◽  
Vol 10 (1) ◽  
Author(s):  
Bambang Setyohadi ◽  
Harry Isbagio ◽  
Rachmat Gunadi Wachjudi ◽  
Joewono Soeroso ◽  
Handono Kalim ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Adverse Events ◽  
Disease Activity ◽  
Severe Disease ◽  
Inadequate Response ◽  
Das28 Score ◽  
Serious Adverse Events ◽  
Biologic Dmards ◽  
Low Disease Activity ◽  
Study Visit

Background Aim of this research is to assess the efficacy and safety of tocilizumab (TCZ) in combination with methotrexate (MTX) in Indonesian patients with moderate to severe active rheumatoid arthritis (RA) who have an inadequate response to non-biologic DMARDs.Methods This was a interventional, prospective, single arm, multicenter, study in  Indonesian male or female patients aged ≥ 18 years old, with a diagnosis of RA for > 6 months based on ACR 1987 revised criteria with moderate to severe disease activity (DAS28 score > 3.2) after ≥ 12 weeks of non-biologic DMARDs treatment. The treatment consisted of tocilizumab, 8 mg/kg, intravenous (IV), every 4 weeks for a total of 6 infusion in combination with oral MTX (10−25 mg) every week. Efficacy was assessed based on the percentage of patients achieving low disease activity state (DAS28 < 3.2), percentage of patients achieving reduction > 1.2 point of DAS28, percentage of patients achieving remission (DAS28 < 2.6), and percentage of patients with ACR20, ACR50, and ACR70 responses. Descriptive statistics will be used for presentation of results.Results 100% patients reached low disease activity (DAS28 ≤ 3.2) at last study visit (week 24) and clinically significant improvement (reduction at least 1.2 units) at every visit in DAS28, both for ITT or PP patients. Remission (DAS28 < 2.6) was observed in 82.1% (ITT patients) and 93.1 % (PP patients) on last study visit. ACR20, ACR50, and ACR70 were achieved in 20%, 34%, and 34% (ITT patients), and 7%, 24%, and 62% (PP patients) on week 24. There were 3 out of 39 patients (7.69%) with adverse events (AE) and serious adverse events (SAE) that resulted in discontinuation of TCZ treatment, consisting of 1 patient with SAE of sepsis ec acquired community pneumonia, 1 patient with SAE of pneumonia tuberculosis, and 1 patient with AE of candidiasis. Most common adverse events were hepatic dysfunction (30.7%), hypercholesterolemia (23.1%), followed by arthralgia (20.5%) Twelve percent of patients needed dose modification due to elevated liver enzyme (elevated ALT/SGPT level).Conclusion Tocilizumab seems to be efficacious and likely to have good safety profile in non- biologic DMARD nonresponsive RA patients of PICTURE INA study.   Keywords: Rheumatoid Arthritis, Tocilizumab, DMARD, DAS28

scholarly journals The Use of Tocilizumab in Combination with Methotrexate in Indonesian Rheumatoid Arthritis Patients (PICTURE INA Study)

2018 ◽  
Vol 10 (1) ◽  
Author(s):  
Bambang Setyohadi ◽  
Harry Isbagio ◽  
Rachmat Gunadi Wachjudi ◽  
Joewono Soeroso ◽  
Handono Kalim ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Adverse Events ◽  
Disease Activity ◽  
Severe Disease ◽  
Inadequate Response ◽  
Das28 Score ◽  
Serious Adverse Events ◽  
Biologic Dmards ◽  
Low Disease Activity ◽  
Study Visit

Background Aim of this research is to assess the efficacy and safety of tocilizumab (TCZ) in combination with methotrexate (MTX) in Indonesian patients with moderate to severe active rheumatoid arthritis (RA) who have an inadequate response to non-biologic DMARDs.Methods This was a interventional, prospective, single arm, multicenter, study in  Indonesian male or female patients aged ≥ 18 years old, with a diagnosis of RA for > 6 months based on ACR 1987 revised criteria with moderate to severe disease activity (DAS28 score > 3.2) after ≥ 12 weeks of non-biologic DMARDs treatment. The treatment consisted of tocilizumab, 8 mg/kg, intravenous (IV), every 4 weeks for a total of 6 infusion in combination with oral MTX (10−25 mg) every week. Efficacy was assessed based on the percentage of patients achieving low disease activity state (DAS28 < 3.2), percentage of patients achieving reduction > 1.2 point of DAS28, percentage of patients achieving remission (DAS28 < 2.6), and percentage of patients with ACR20, ACR50, and ACR70 responses. Descriptive statistics will be used for presentation of results.Results 100% patients reached low disease activity (DAS28 ≤ 3.2) at last study visit (week 24) and clinically significant improvement (reduction at least 1.2 units) at every visit in DAS28, both for ITT or PP patients. Remission (DAS28 < 2.6) was observed in 82.1% (ITT patients) and 93.1 % (PP patients) on last study visit. ACR20, ACR50, and ACR70 were achieved in 20%, 34%, and 34% (ITT patients), and 7%, 24%, and 62% (PP patients) on week 24. There were 3 out of 39 patients (7.69%) with adverse events (AE) and serious adverse events (SAE) that resulted in discontinuation of TCZ treatment, consisting of 1 patient with SAE of sepsis ec acquired community pneumonia, 1 patient with SAE of pneumonia tuberculosis, and 1 patient with AE of candidiasis. Most common adverse events were hepatic dysfunction (30.7%), hypercholesterolemia (23.1%), followed by arthralgia (20.5%) Twelve percent of patients needed dose modification due to elevated liver enzyme (elevated ALT/SGPT level).Conclusion Tocilizumab seems to be efficacious and likely to have good safety profile in non- biologic DMARD nonresponsive RA patients of PICTURE INA study.   Keywords: Rheumatoid Arthritis, Tocilizumab, DMARD, DAS28

Patients with Rheumatoid Arthritis in Clinical Remission Manifest Persistent Joint Inflammation on Histology and Imaging Studies

2014 ◽  
Vol 41 (11) ◽  
pp. 2153-2160 ◽  
Author(s):  
Allen Anandarajah ◽  
Ralf Thiele ◽  
Ellen Giampoli ◽  
Johnny Monu ◽  
Gwy-Suk Seo ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Disease Activity ◽  
Clinical Remission ◽  
Severe Disease ◽  
Joint Inflammation ◽  
Imaging Studies ◽  
American College Of Rheumatology ◽  
Remission Criteria ◽  
Magnetic Resonance Imaging Mri ◽  
Active Inflammation

Objective.The purpose of our study was to test the hypothesis that synovitis on magnetic resonance imaging (MRI) and ultrasound (US) observed in patients with rheumatoid arthritis (RA) who meet remission criteria reflects active inflammation on histopathology.Methods.We analyzed 15 synovial specimens obtained during surgical procedures from 14 patients with RA in clinical remission as defined by the American College of Rheumatology criteria. Histological specimens were scored for hyperplasia of synovial lining and synovial stroma, inflammation, lymphoid follicles, and vascularity. The histology scores were classified as minimal, mild, moderate, or severe disease activity. US and MRI performed within a 4-month period of surgery were scored for disease activity. The correlation between histology and imaging scores was examined.Results.Four of 14 patients were receiving anti-tumor necrosis factor (TNF) therapy, 4 were receiving methotrexate (MTX) alone, 4 were taking MTX and hydroxychloroquine (HCQ), and 1 was taking HCQ and sulfasalazine. Four specimens had severe, 6 moderate, 3 mild, and 2 minimal disease activity on histology. Three of 4 specimens with minimal and mild histology were observed in subjects receiving anti-TNF therapy. Synovitis was noted on greyscale in 80% of joints and Doppler signal in 60%. MRI demonstrated synovitis and bone marrow edema in 86% of images. Positive but not significant correlations were noted between histology and synovitis scores on US.Conclusion.Despite clinical remission, histology and imaging studies documented a persistently active disease state that may explain the mechanism for radiographic progression.

scholarly journals Subcutaneous Abatacept for the Treatment of Rheumatoid Arthritis: Longterm Data from the ACQUIRE Trial

2014 ◽  
Vol 41 (4) ◽  
pp. 629-639 ◽  
Author(s):  
Mark C. Genovese ◽  
César Pacheco Tena ◽  
Arturo Covarrubias ◽  
Gustavo Leon ◽  
Eduardo Mysler ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Severe Disease ◽  
Incidence Rates ◽  
Phase Iii ◽  
Inadequate Response ◽  
Open Label ◽  
Serious Adverse Events ◽  
Double Blind ◽  
Safety And Efficacy ◽  
Link Type

Objective.Assess longterm tolerability, safety, and efficacy of subcutaneous (SC) abatacept (ABA) in methotrexate-refractory patients with rheumatoid arthritis (RA).Methods.The phase III, multinational Abatacept Comparison of Sub[QU]cutaneous Versus Intravenous in Inadequate Responders to MethotrexatE (ACQUIRE) trial comprised a 6-month, randomized, double-blind (DB) period, in which patients received intravenous (IV) or SC ABA, plus MTX, followed by an open-label, longterm extension (LTE), in which patients received SC ABA, 125 mg/week. Safety and efficacy from the LTE (∼3.5 yrs of exposure) are reported.Results.Patients who completed the DB period (1372/1385, 99.1%) entered the LTE; 1134 patients (82.7%) kept taking the treatment at time of reporting. Mean (SD) was 31.9 months (6.8); median (range) exposure was 33.0 (8–44) months. Patients entering the LTE had longstanding, moderate-to-severe disease [mean 7.6 (7.9) yrs and DAS28 (C-reactive protein) 6.2 (0.9)]. Incidence rates (events/100 patient-yrs) were reported for serious adverse events (8.76, 95% CI 7.71, 9.95), infections (44.80, 95% CI 41.76, 48.01), serious infections (1.72, 95% CI 1.30, 2.27), malignancies (1.19, 95% CI 0.86, 1.66), and autoimmune events (1.31, 95% CI 0.95, 1.79). Twenty-seven patients (2%) experienced injection-site reactions; all except 1 were mild. American College of Rheumatology 20, 50, and 70 responses achieved during the DB period were maintained through the LTE, and on Day 981 were 80.2% (95% CI 77.2, 83.2), 63.5% (95% CI 58.2, 68.9), and 39.5% (95% CI 34.0, 44.9) for patients who kept taking SC ABA, and 80.0% (95% CI 77.0, 83.0), 63.2% (95% CI 57.8, 68.7), and 39.2% (95% CI 33.7, 44.7) for those who switched from IV to SC ABA.Conclusion.These findings support SC ABA as a well-tolerated and efficacious longterm treatment for patients with RA and inadequate response to MTX (ClinicalTrials.gov identifier NCT00559585).

scholarly journals Rheumatoid arthritis patients on persistent moderate disease activity on biologics have adverse 5-year outcome compared to persistent low-remission status and represent a heterogeneous group

2020 ◽  
Vol 22 (1) ◽  
Author(s):  
Irini Genitsaridi ◽  
Irini Flouri ◽  
Dimitris Plexousakis ◽  
Konstantinos Marias ◽  
Kyriaki Boki ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Clinical Practice ◽  
Disease Activity ◽  
Serious Adverse Events ◽  
Term Outcome ◽  
Mixed Effect ◽  
Long Term Outcome ◽  
Moderate Disease ◽  
Moderate Disease Activity

Abstract Background The long-term outcome of rheumatoid arthritis (RA) patients who in clinical practice exhibit persistent moderate disease activity (pMDA) despite treatment with biologics has not been adequately studied. Herein, we analyzed the 5-year outcome of the pMDA group and assessed for within-group heterogeneity. Methods We included longitudinally monitored RA patients from the Hellenic Registry of Biologic Therapies with persistent (cumulative time ≥ 50% of a 5-year period) moderate (pMDA, 3.2 < DAS28 ≤ 5.1) or remission/low (pRLDA, DAS28 ≤ 3.2) disease activity. The former was further classified into persistent lower-moderate (plMDA, DAS28 < 4.2) and higher-moderate (phMDA, DAS28 ≥ 4.2) subgroups. Five-year trajectories of functionality (HAQ) were the primary outcome in comparing pRLDA versus pMDA and assessing heterogeneity within the pMDA subgroups through multivariable mixed-effect regression. We further compared serious adverse events (SAEs) occurrence between the two groups. Results We identified 295 patients with pMDA and 90 patients with pRLDA, the former group comprising of plMDA (n = 133, 45%) and phMDA (n = 162, 55%). pMDA was associated with worse 5-year functionality trajectory than pRLDA (+ 0.27 HAQ units, CI 95% + 0.22 to + 0.33; p < 0.0001), while the phMDA subgroup had worse 5-year functionality than plMDA (+ 0.26 HAQ units, CI 95% 0.18 to 0.36; p < 0.0001). Importantly, higher persistent disease activity was associated with more SAEs [pRLDA: 0.2 ± 0.48 vs pMDA: 0.5 ± 0.96, p = 0.006; plMDA: 0.32 ± 0.6 vs phMDA: 0.64 ± 1.16, p = 0.038]. Male gender (p = 0.017), lower baseline DAS28 (p < 0.001), HAQ improvement > 0.22 (p = 0.029), and lower average DAS28 during the first trimester since treatment initiation (p = 0.001) independently predicted grouping into pRLDA. Conclusions In clinical practice, RA patients with pMDA while on bDMARDs have adverse long-term outcomes compared to lower disease activity status, while heterogeneity exists within the pMDA group in terms of 5-year functionality and SAEs. Targeted studies to better characterize pMDA subgroups are needed, in order to assist clinicians in tailoring treatments.

scholarly journals Long-term safety, efficacy and inhibition of radiographic progression with abatacept treatment in patients with rheumatoid arthritis and an inadequate response to methotrexate: 3-year results from the AIM trial

2011 ◽  
Vol 70 (10) ◽  
pp. 1826-1830 ◽  
Author(s):  
Joel M Kremer ◽  
Anthony S Russell ◽  
Paul Emery ◽  
Carlos Abud-Mendoza ◽  
Jacek Szechinski ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Radiographic Progression ◽  
Incidence Rates ◽  
Inadequate Response ◽  
Open Label ◽  
Serious Adverse Events ◽  
Double Blind ◽  
American College Of Rheumatology ◽  
Inadequate Responders

ObjectiveTo evaluate abatacept treatment over 3 years in patients with rheumatoid arthritis (RA) refractory to methotrexate (MTX).MethodsPatients randomised to abatacept or placebo (+MTX) during the 1-year double-blind period of the Abatacept in Inadequate responders to Methotrexate (AIM) trial received open-label abatacept (+MTX) in the long-term extension (LTE). Safety was assessed for patients who received ≥1 dose of abatacept, regardless of randomisation group. Efficacy was assessed for patients randomised to abatacept who entered the LTE.Results433 and 219 patients were randomised and treated with abatacept or placebo, respectively; 378 and 161 entered the LTE. At year 3, 440/539 patients were ongoing. No unexpected safety events were observed in the LTE. By year 3, incidence rates of adverse event and serious adverse events were 249.8/100 and 15.1/100 patient-years, respectively. Incidence rates were generally stable over time. At year 3, 84.8%, 63.4% and 37.5% of patients achieved American College of Rheumatology (ACR) criteria of 20, 50 and 70, respectively, compared with 82.3%, 54.3% and 32.4% of patients at year 1. Mean changes in Genant-modified Sharp scores were reduced progressively over 3 years, with significantly greater inhibition during year 3 compared with year 2 (p=0.022 for total score).ConclusionIn MTX-inadequate responders with RA, abatacept provided consistent safety and sustained efficacy over 3 years. The data suggest an increasing inhibitory disease-modifying effect on radiographic progression.

scholarly journals P682 Faecal calprotectin and C-reactive protein levels are associated with long-term clinical and endoscopic outcomes: Analysis of the OASIS open-label extension trial of etrasimod for ulcerative colitis

2020 ◽  
Vol 14 (Supplement_1) ◽  
pp. S555-S556
Author(s):  
A Yarur ◽  
M Chiorean ◽  
J Zhang ◽  
W Reinisch ◽  
S Vermeire ◽  
...  
Keyword(s):  
Ulcerative Colitis ◽  
Disease Activity ◽  
Clinical Response ◽  
Clinical Remission ◽  
C Reactive Protein ◽  
Open Label ◽  
Faecal Calprotectin ◽  
Reactive Protein ◽  
Open Label Extension

Abstract Background Reliable biomarkers of ulcerative colitis (UC) disease activity may be useful in clinical trials and practice. Etrasimod is an oral, selective, sphingosine 1-phosphate receptor modulator with efficacy in a 12-week, phase 2, double-blind (DB), randomised, controlled trial in adult patients with moderately-to-severely active UC (OASIS; NCT02447302). Patients who completed the DB study were eligible to enrol in an open-label extension (OLE; NCT02536404) and receive etrasimod 2 mg once daily for up to an additional 34 weeks. The aim of this post-hoc analysis was to assess the correlation of sequential faecal calprotectin (FC) and C-reactive protein (CRP) levels throughout the DB study and OLE with clinical and endoscopic outcomes at end of treatment (EOT) in the OLE. Methods In the DB study, patients received etrasimod 1 mg, etrasimod 2 mg or placebo. The OLE evaluable cohort comprised patients who received etrasimod 2 mg throughout the OLE. The modified intention-to-treat (mITT) population comprised patients with non-missing assessments. EOT was the last observation for each patient, occurring at week 46 (OLE week 34) for study completers or at last visit for patients who discontinued or had missing data. Endpoints were modified Mayo Clinic score (mMCS; range 0–9; including endoscopy, rectal bleeding [RB], and stool frequency [SF]); clinical remission (endoscopic subscore ≤1 [with absence of friability], RB ≤1, and SF score ≤1 with ≥1 point decrease from DB baseline); clinical response (clinical remission or decrease in mMCS of ≥2 points and ≥30% decrease from DB baseline, with either a RB decrease of ≥1 or RB score of ≤1); and endoscopic improvement (subscore ≤1). FC and CRP were measured longitudinally to EOT. Comparisons between subgroups were assessed with a Wilcoxon rank-sum test (2-sided P values). Analysis of correlation between variables was conducted using the Spearman’s rank coefficient. Results The evaluable cohort included 105 patients, 31 of whom received etrasimod 2 mg throughout both DB and OLE periods. At EOT 70%, 35% and 45% of patients in the mITT evaluable cohort had clinical response, clinical remission and endoscopic improvement, respectively. Differences in FC and CRP levels between patients with and without clinical remission at EOT are shown in Figures 1 and 2, respectively for patients who received etrasimod 2 mg throughout both the DB and OLE periods. Correlation analyses of FC and CRP with clinical (mMCS) and endoscopic disease activity and with each other are shown in Table 1. Conclusion FC and CRP appear to correlate with clinical and endoscopic outcomes over long-term treatment with etrasimod. Additional validation is needed to determine their utility in treat-to-target management strategies.

scholarly journals Maintained Clinical Remission in Ankylosing Spondylitis Patients Switched from Reference Infliximab to Its Biosimilar: An 18-Month Comparative Open-Label Study

2019 ◽  
Vol 8 (7) ◽  
pp. 956 ◽  
Author(s):  
Kaltsonoudis Evripidis ◽  
Pelechas Eleftherios ◽  
Voulgari V. Paraskevi ◽  
Drosos A. Alexandros
Keyword(s):  
Ankylosing Spondylitis ◽  
Disease Activity ◽  
Clinical Remission ◽  
Activity Index ◽  
Disease Activity Index ◽  
Control Group ◽  
Nocebo Effect ◽  
Open Label

Background: Switching from reference infliximab (RI) to biosimilar infliximab (BI) had no detrimental effects on efficacy and safety. However, long-term follow-up data is missing. Objective: To evaluate patients with Ankylosing Spondylitis (AS) in clinical remission who were switching from RI to BI, in terms of the safety and efficacy of this, in a long-term fashion. Methods: One hundred and nine consecutive unselected AS patients were investigated. All were naïve to other biologics and were followed-up at predefined times receiving RI. Patients in clinical remission were asked to switch from RI to BI. Those who switched to BI were compared with a matched control-group receiving continuous RI. During follow-up, several parameters were recorded for at least 18 months. Disease activity was measured using the Bath Ankylosing Spondylitis disease activity index (BASDAI), and the Ankylosing Spondylitis disease activity score (ASDAS), using the C-reactive protein. Remission was defined as BASDAI < 4 and ASDAS < 1.3. Results: Eighty-eight patients were evaluated (21 excluded for different reasons). From those, 45 switched to BI, while 43 continued receiving RI. No differences between groups regarding demographic, clinical and laboratory parameters were observed. All patients were in clinical remission. During follow-up, five patients from the BI-group and three from the maintenance-group discontinued the study (4 patients nocebo effect, 1 loss of efficacy). After 18 months of treatment, all patients in both groups remained in clinical remission. No significant adverse events were noted between groups. Conclusion: BI is equivalent to RI in maintaining AS in clinical remission for at least 18 months.

scholarly journals P603 Persistence of vedolizumab maintenance therapy: Findings from a Belgian registry

2020 ◽  
Vol 14 (Supplement_1) ◽  
pp. S503-S504
Author(s):  
E Louis ◽  
V Muls ◽  
P Bossuyt ◽  
A Colard ◽  
A Nakad ◽  
...  
Keyword(s):  
Ulcerative Colitis ◽  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Maintenance Therapy ◽  
Disease Activity ◽  
Real World ◽  
Clinical Remission ◽  
Disease Activity Score ◽  
Activity Score

Abstract Background Clinical trials and observational studies have demonstrated the clinical efficacy of vedolizumab (VDZ) as maintenance therapy for Crohn’s disease (CD) and ulcerative colitis (UC). This report presents long-term data on persistence of VDZ maintenance therapy in real-world clinical practice in Belgium. Methods The Belgian VDZ Registry (ENCePP EUPAS6469) enrolled 202 VDZ-treated ulcerative colitis (UC) or Crohn’s disease (CD) adult patients (26% with no prior use of anti-TNF therapy) from 19 centres across Belgium. The median length of VDZ therapy prior to enrolment was 11 months. Patients were followed-up every 6 months after enrolment with the assessment of IBD features, use of biologics, and disease activity. Clinical remission was defined as the Harvey–Bradshaw Index (HBI) &lt;5 or partial Mayo Score (pMS) &lt;2. Missing value imputation (last observation carried forward) was used to partially account for missing disease activity scores. If a 6-monthly disease activity score was missing, the disease activity score from the previous 6-monthly assessment was used. Results The mean duration of VDZ therapy, including use prior to enrolment, was 31 months, with 68% of CD patients and 75% of UC patients using VDZ therapy for 48 months. Clinical remission rate after 42 months of VDZ therapy was higher in UC (84%) than CD (67%), and higher for patients without prior anti-TNF therapy (87%) than those with prior anti-TNF therapy (70%). Fifty-seven (29.4%) patients discontinued VDZ during follow-up, due to loss of response (n = 40), adverse event (n = 7), clinical remission (n = 4), pregnancy planning (n = 3), and patient choice (n = 3). Conclusion These real-world long-term Belgian data demonstrate a high persistence of VDZ maintenance therapy among both CD and UC patients, with highest clinical remission rates seen in patients with UC and those with no prior anti-TNF therapy.

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