P336 The effect of granulocyte and monocyte adsorption for Crohn's disease patients with loss of response or adverse events for anti-TNF-α therapy

Abstract Background The approved maintenance regimens for ustekinumab in Crohn’s disease [CD] are 90 mg every 8 or 12 weeks. Some patients will respond partially to ustekinumab or will experience a secondary loss of response. It remains poorly known if these patients may benefit from shortening the interval between injections. Methods All patients with active CD, as defined by Harvey–Bradshaw score ≥ 4 and one objective sign of inflammation [C-reactive protein > 5 mg/L and/or faecal calprotectin > 250 µg/g and/or radiological and/or endoscopic evidence of disease activity] who required ustekinumab dose escalation to 90 mg every 4 weeks for loss of response or incomplete response to ustekinumab 90 mg every 8 weeks were included in this retrospective multicentre cohort study. Results One hundred patients, with a median age of 35 years [interquartile range, 28–49] and median disease duration of 12 [7–20] years were included. Dose intensification was performed after a median of 5.0 [2.8–9.0] months of ustekinumab treatment and was associated with corticosteroids and immunosuppressants in respectively 29% and 27% of cases. Short-term clinical response and clinical remission were observed in respectively 61% and 31% after a median of 2.4 [1.3–3.0] months. After a median follow-up of 8.2 [5.6–12.4] months, 61% of patients were still treated with ustekinumab, and 26% were in steroid-free clinical remission. Among the 39 patients with colonoscopy during follow-up, 14 achieved endoscopic remission [no ulcers]. At the end of follow-up, 27% of patients were hospitalized, and 19% underwent intestinal resection surgery. Adverse events were reported in 12% of patients, including five serious adverse events. Conclusion In this multicentre study, two-thirds of patients recaptured response following treatment intensification with ustekinumab 90 mg every 4 weeks.

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P346 Short term dose tailoring of anti TNF-α therapy delivers useful clinical efficacy in Crohn's disease patients with secondary loss of response

Journal of Crohn s and Colitis ◽

10.1016/s1873-9946(14)60466-9 ◽

2014 ◽

Vol 8 ◽

pp. S209

Author(s):

S. Ghaly ◽

S. Costello ◽

L. Beswick ◽

A. Pudipeddi ◽

A. Agarwal ◽

...

Keyword(s):

Crohn’S Disease ◽

Crohn's Disease ◽

Clinical Efficacy ◽

Short Term ◽

Secondary Loss ◽

Loss Of Response ◽

Tnf Α

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Re-induction With Intravenous Ustekinumab in Patients With Crohn’s Disease and a Loss of Response to This Therapy

Inflammatory Bowel Diseases ◽

10.1093/ibd/izab015 ◽

2021 ◽

Author(s):

Fernando Bermejo ◽

Laura Jiménez ◽

Alicia Algaba ◽

Milagros Vela ◽

Guillermo Bastida ◽

...

Keyword(s):

Crohn’S Disease ◽

Crohn's Disease ◽

Adverse Events ◽

Clinical Response ◽

Serious Adverse Events ◽

Protein Levels ◽

Reactive Protein ◽

Loss Of Response ◽

Administration Interval ◽

Safe Strategy

Abstract Background A significant percentage of patients treated with ustekinumab may lose response. Our aim was to evaluate the short-term efficacy and safety of intravenous re-induction with ustekinumab in patients with Crohn’s disease who have lost the response to the treatment. Methods This is a retrospective, observational, multicenter study. Treatment efficacy was measured at week 8 and 16; clinical remission was defined when the Harvey-Bradshaw Index was ≤4 points, and clinical response was defined as a decrease of ≥3 points in the index compared with the baseline. Adverse events and treatment decisions after re-induction were also collected. Results Fifty-three patients from 13 centers were included. Forty-nine percent had previously failed to respond to 2 biological treatments, and 24.5% had failed to respond to 3. The average exposure time to ustekinumab before re-induction was 17.7 ± 12.8 months. In 56.6% of patients, the administration interval had been shortened to every 4 to 6 weeks before re-induction. At week 8 and 16 after re-induction, 49.0% (n = 26) and 43.3% (n = 23), respectively, were in remission, whereas 64.1% (n = 34) and 52.8% (n = 28) had a clinical response. Patients who achieved remission at week 16 had lower C-reactive protein levels than those who did not respond (2.8 ± 1.6 vs 12.5 ± 9.5 mg/dL; P = 0.001). No serious adverse events related to re-induction were observed. Conclusion Intravenous re-induction with ustekinumab is an effective and safe strategy that recovers the response in approximately half of the patients with refractory Crohn’s disease who experience a loss of response. Re-induction can be attempted before switching out of the therapy class.

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Long-term follow up after switching from original infliximab to an infliximab biosimilar: real-world data

Therapeutic Advances in Gastroenterology ◽

10.1177/1756284819858052 ◽

2019 ◽

Vol 12 ◽

pp. 175628481985805 ◽

Cited By ~ 6

Author(s):

María Fernanda Guerra Veloz ◽

María Belvis Jiménez ◽

Teresa Valdes Delgado ◽

Luisa Castro Laria ◽

Belén Maldonado Pérez ◽

...

Keyword(s):

Ulcerative Colitis ◽

Crohn’S Disease ◽

Crohn's Disease ◽

Adverse Events ◽

Reactive Protein ◽

Loss Of Response ◽

Mayo Score ◽

Inflammatory Bowel

Background: Several studies have reported positive efficacy outcomes for patients with inflammatory bowel disease treated with CT-P13, an infliximab biosimilar. Data from follow-up periods longer than 1 year are still scarce. Here, we assessed the long-term efficacy data, loss of response and safety after switching from infliximab to CT-P13 in patients with inflammatory bowel disease. Methods: This was a prospective single-center observational study involving patients with moderate-to-severe Crohn’s disease and ulcerative colitis switched from infliximab to CT-P13 treatment and reviewed up to 24 months. Efficacy and loss of response were measured using the Harvey–Bradshaw (HB) index and partial Mayo score for patients with Crohn’s disease and ulcerative colitis respectively. C-reactive protein, infliximab drug levels, adverse events and antidrug antibodies were also monitored throughout the study. Results: A total of 64 patients with Crohn’s disease and 36 patients with ulcerative colitis were included. Most of them (72%) remained on CT-P13. Overall, 28% of patients discontinued the therapy due to loss of response, adverse events or long-lasting clinical remission. Remission at 18 and 24 months occurred in 69.9% and 68.5% of patients, respectively. Dose increase was performed in 22% of patients, with remission being reached in 60% of them. HB index, partial Mayo score, C-reactive protein and infliximab drug levels did not show significant changes. Serious adverse events were reported in 14% of patients. Overall, two patients developed low levels of antidrug antibodies. Conclusions: Most of the patients switching from original infliximab were maintained on CT-P13 at 2 years of follow up with a good profile of efficacy and safety.

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Predictive factors of response to anti-TNF α treatment of complex ano-perineal fistulas in Crohn’s disease.

10.26226/morressier.59a6b34cd462b80290b55a24 ◽

2017 ◽

Author(s):

maroua hafi

Keyword(s):

Crohn’S Disease ◽

Crohn's Disease ◽

Predictive Factors ◽

Tnf Α

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THE EVALUATION OF SERUM SEROTONIN LEVEL AMONG PATIENTS WITH CROHN’S DISEASE AND ITS IMPACT ON QUALITY OF LIFE

Inflammatory Bowel Diseases ◽

10.1093/ibd/izaa347.131 ◽

2021 ◽

Vol 27 (Supplement_1) ◽

pp. S55-S55

Author(s):

Marcin Sochal ◽

Piotr Bialasiewicz ◽

Agata Gabryelska ◽

Renata Talar-Wojnarowska ◽

Jakub Fichna ◽

...

Keyword(s):

Crohn’S Disease ◽

Crohn's Disease ◽

Sleep Quality ◽

Sleep Fragmentation ◽

Clinical Severity ◽

Serotonin Level ◽

Intestinal Physiology ◽

Tnf Α

Abstract Background and aims Serotonin affects intestinal physiology, mood, as well as circadian rhythm. Moreover, serotonin has proinflammatory function. Therefore, the aim of this study was to investigate the role of serotonin in clinical severity of Crohn’s Disease (CD) and its effect on pain and sleep quality. Methods Fifty-nine CD patients (34 in exacerbation and 25 in remission according to the Harvey-Bradshaw Index-HBI) and 25 health control individuals(HC) were recruited. Sleep quality was assessed by the Pittsburgh Sleep Quality Index (PSQI) and subjective severity of pain by the Visual Analog Scale (VAS). Seventeen patients were treated with anti-TNF-α induction therapy for 14 weeks. Results Serotonin level was higher in CD (145.12ng/mL, IQR:98.14–179.25) compared to HC (87.52ng/mL, IQR:70.04–129.39; p=0.002) and in exacerbation of CD (157.66ng/mL, IQR:111.94–197.64) compared to remission (122.33ng/mL, IQR:83.28–163.67; p=0.029). Serotonin level with cut-off point of 92.45 ng/mL is useful for distinguishing participants with CD from HC (sensitivity: 78%, specificity: 60%, positive predictive value: 82%). Positive correlation between serotonin and HBI (r=0.279, p=0.032) and severity of diarrhoea (r=0.260, p=0.047) were found. Serotonin does not correlate with PSQI (r=0.152, p=0.168), but correlates with presence of sleep fragmentation for example by getting up to use the bathroom (joined 5b-5j PSQI questions; r=0.270, p=0.039). Correlations between serotonin and VAS were also obtained (r=0.220, p=0.045). Moreover, serotonin level significantly decreased after anti-TNF-α therapy (192.35ng/mL, IQR:150.36–225.56 vs. 121.11ng/mL, IQR:91.28–188.87; p=0.006). The study was funded by National Science Centre, Poland (#2018/31/N/NZ5/03715). Conclusions Serotonin level correlates with the severity of CD and decreases after anti-TNF-α therapy. It is associated with sleep fragmentation, which may be caused by diarrhea.

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P089 REAL-WORLD EXPERIENCE: CLINICAL AND ENDOSCOPIC EFFECTIVENESS OF STANDARD VEDOLIZUMAB DOSING AND MODIFIED MAINTENANCE DOSING IN PATIENTS WITH MODERATE-SEVERE CROHN’S DISEASE

Inflammatory Bowel Diseases ◽

10.1093/ibd/zaa010.187 ◽

2020 ◽

Vol 26 (Supplement_1) ◽

pp. S75-S75

Author(s):

Scott D Lee ◽

Anand Singla ◽

Caitlin Kerwin ◽

Kindra Clark-Snustad

Keyword(s):

Crohn’S Disease ◽

Crohn's Disease ◽

Adverse Events ◽

Real World ◽

Clinical Remission ◽

Mucosal Healing ◽

Clinical Disease ◽

Endoscopic Remission ◽

Starting Dose

Abstract Background Vedolizumab (VDZ) is an effective treatment for Crohn’s disease (CD); however, inadequate and loss of response is common. Pivotal VDZ trials evaluated alternative dosing intervals, demonstrating numeric but not statistical superiority in efficacy as compared to FDA-approved dosing. The safety and effectiveness of FDA-approved and modified-dosing schedules in a real-world population are unknown. We aimed to evaluate clinical and endoscopic effectiveness & safety of standard and modified maintenance VDZ dosing in a real world cohort. Methods We retrospectively reviewed CD patients (pts) treated with >3 months VDZ, assessing Harvey Bradshaw Index (HBI), Simple Endoscopic Score for Crohn’s disease (SESCD), Short Inflammatory Bowel Disease Questionnaire (SIBDQ), C-reactive protein (CRP), albumin and hematocrit prior to and following standard VDZ dosing, and prior to and following modified VDZ maintenance dosing. We measured duration on therapy and adverse events. Results We identified 226 eligible pts, mean age 41.5 years, 55.3% female, median disease duration 10 years, 88.9% with prior biologic exposure. Mean duration on VDZ was 28.3 months. Standard VDZ dosing: 61.5% of pts with active clinical disease and adequate follow up data achieved clinical response after 3–12 months; 41.0% had clinical remission. 51.9% of pts with active endoscopic disease and adequate follow up data achieved mucosal improvement; 42.3% had endoscopic remission; 26.0% had mucosal healing after 3–24 months. 50.0% of pts with elevated CRP and adequate follow up data normalized CRP after 3–12 months. Modified maintenance dosing: 72 non-remitters to standard VDZ dosing received modified VDZ maintenance dosing. 51.5% of pts with active clinical disease prior to starting dose modification and adequate follow up data achieved clinical response after 3–12 months of modified maintenance dosing; 42.4% had clinical remission. 22.2% of pts with SESCD ≥3 prior to starting dose modification achieved mucosal improvement after 3–24 months; 22.2% had mucosal healing. 26.7% of pts with SESCD ≥4 prior to starting modified dosing had endoscopic remission after 3–24 months. 50.0% of pts with elevated CRP and adequate follow up data normalized their CRP after 3–12 months. Safety: 82.7% of pts reported ≥1 adverse events, most commonly infection and worsening CD symptoms. Discussion Standard VDZ dosing resulted in clinical and endoscopic improvement in pts with moderate-severe CD, with prior exposure to multiple advanced therapies. For non-remitters to standard dosing, modified VDZ maintenance dosing improved clinical disease activity in ∼50% of pts and improved endoscopic disease activity in ∼20% of pts, suggesting that for pts who did not achieve remission with standard VDZ dosing, modified VDZ dosing may result in clinical and endoscopic improvement.

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