P697 Efficacy and safety of ustekinumab in Crohn’s disease: A real-world study from Australia

2020 ◽  
Vol 14 (Supplement_1) ◽  
pp. S564-S565
Author(s):  
P Kakkadasam Ramaswamy ◽  
H Moattar ◽  
E Sawyer ◽  
J Edwards ◽  
D Shukla
Keyword(s):  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Clinical Response ◽  
Real World ◽  
Clinical Remission ◽  
Efficacy And Safety ◽  
Clinical Endpoints ◽  
Single Centre Study ◽  
Paradoxical Worsening ◽  
Secondary Endpoints

Abstract Background Ustekinumab (UST), a human anti-IL12/23p40 monoclonal antibody, was approved in Australia for the treatment of adults with moderate to severe Crohn’s disease (CD) in 2017. The aim of this retrospective single centre study was to study the efficacy and safety of UST in CD in a real world cohort. Methods Patients with CD who began UST therapy between June 2017 and July 2019 were included. UST induction was given as an infusion (6 mg/kg) at week 0 followed by 90 mg subcutaneous injection (SC) at week 8 and 90 mg SC every 8 weeks as maintenance. Primary endpoint (PE) was steroid free clinical remission or steroid free clinical response at week 24. Secondary endpoints (SE) were: endoscopic response or remission, radiological response or remission, biochemical response (CRP < 5 mg/L or Calprotectin <150 μg/g), clinical response or remission at week 52. Results Seventy-six patients with CD were included in the study. 64.5% failed ≥1 anti-TNF and 13.1% failed anti-TNF and vedolizumab; 26(34.2%) patients were biologic-naïve. Median follow-up was 61 weeks. Ten patients (13.1%) discontinued UST, and the median time to discontinuation was 48 weeks; eight patients due to loss of response, one patient due to paradoxical worsening of arthralgia, one patient chose to stop treatment. Six patients underwent surgery whilst on UST. At week 12, 48 (63.1%) of patients achieved steroid free clinical remission or response [19/26 (73%) Anti-TNF naive and 29/49 (59%) anti-TNF exposed]; of these patients, 16/19 (84%) in the anti-TNF naive group and 19/29(65.5%) in the anti-TNF exposed group achieved PE. Forty-seven (61.8%) patients achieved PE. At 52 weeks, 68.2% (30/44), 67.5% (27/40), 56.1% (23/41), 69% (29/42) achieved endoscopic, radiological, biochemical and clinical endpoints respectively. Achieving steroid free clinical response or remission at week 12 was associated with achieving PE (79% vs. 42.8%, OR 3.6, p 0.01) and clinical SE (83.3 vs. 58.3%, p 0.001). Patients with B2/3 vs. B1(54% vs. 82%, p 0.09), ≥2 biological failure (72% vs. 33%, p 0.09), CRP < 6 baseline (55 % vs. 67.5%, p 0.3) were less likely to attain PE. Conclusion In a real-world cohort, UST appears efficacious and safe in medium and long term, with modest clinical, biochemical, radiological and endoscopic outcomes. Patients who achieve steroid-free clinical remission or response at 12 weeks are more likely to be in clinical remission or response at 24 and 52 weeks.

scholarly journals Real-world effectiveness of vedolizumab in inflammatory bowel disease: week 52 results from the Swedish prospective multicentre SVEAH study

2021 ◽  
Vol 14 ◽  
pp. 175628482110233
Author(s):  
Carl Eriksson ◽  
Sara Rundquist ◽  
Vyron Lykiardopoulos ◽  
Ruzan Udumyan ◽  
Per Karlén ◽  
...  
Keyword(s):  
Ulcerative Colitis ◽  
Inflammatory Bowel Disease ◽  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Clinical Response ◽  
Real World ◽  
Bowel Disease ◽  
Clinical Remission ◽  
Real World Data ◽  
Inflammatory Bowel

Background: Prospectively and systematically collected real-world data on vedolizumab are scarce. We aimed to assess the long-term clinical effectiveness of vedolizumab in inflammatory bowel disease (IBD). Methods: This study was a prospective, observational, multicentre study. Overall, 286 patients with active IBD were included (Crohn’s disease, n = 169; ulcerative colitis, n = 117). The primary outcomes were clinical response at week 12 and clinical remission at week 52, based on the Harvey Bradshaw Index and the partial Mayo Clinic score. Secondary outcomes included clinical remission at week 12, clinical response at week 52, corticosteroid-free clinical remission at week 52, changes in biochemical measures, and health-related quality of life (HRQoL). Results: At baseline, 88% of the patients were exposed to anti-TNF and 41% of the patients with Crohn’s disease had undergone ⩾1 surgical resection. At week 12, clinical response was 27% and remission 47% in Crohn’s disease; corresponding figures in ulcerative colitis were 52% and 34%. Clinical response, remission and corticosteroid-free remission at week 52 were 22%, 41% and 40% in Crohn’s disease and 49%, 47% and 46% in ulcerative colitis, respectively. A statistically significant decrease in median faecal-calprotectin and C-reactive protein was observed at 12 and 52 weeks in patients with Crohn’s disease and ulcerative colitis. The HRQoL measures Short Health Scale and EuroQol 5-Dimensions improved in both Crohn’s disease and ulcerative colitis patients ( p < 0.001). Clinical disease activity at baseline was inversely associated with clinical remission at week 52. Conclusion: Vedolizumab proved effective for the treatment of refractory IBD in clinical practice.

scholarly journals Early real-world effectiveness of ustekinumab for Crohn’s disease

2019 ◽  
Vol 11 (2) ◽  
pp. 111-116 ◽  
Author(s):  
Richard James Harris ◽  
Martin McDonnell ◽  
David Young ◽  
Marion Bettey ◽  
Louise Downey ◽  
...  
Keyword(s):  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Clinical Response ◽  
Real World ◽  
Clinical Remission ◽  
Clinical Care ◽  
University Hospital ◽  
Reactive Protein ◽  
Inflammatory Bowel ◽  
Clinical Records

ObjectiveTo understand the effectiveness of ustekinumab in treating Crohn’s disease (CD) in a UK real-world setting.DesignRetrospective cohort study using prospectively maintained clinical records.SettingSingle UK inflammatory bowel disease centre.PatientsAdult patients with an established diagnosis of CD prescribed ustekinumab outside of clinical trials at University Hospital Southampton (UHS).InterventionsUstekinumab, a monoclonal antibody to the shared p40 subunit of interleukin (IL) 12 and IL-23 as part of routine clinical care.Main outcome measuresEffectiveness as measured by an improvement in physician’s global assessment, drug persistence and improvement in biomarkers (C-reactive protein (CRP), albumin and calprotectin).Results84 patients were included, 72 had a postinduction review and 49 had 1-year data. At postinduction clinical review, clinical response occurred in 53% of patients and clinical remission occurred in 8%. For patients on ustekinumab at 1 year, clinical response occurred in 71% and remission in 14%. Adverse events included four patients with infections requiring admission, one drug-related rash, five CD surgeries and two CD exacerbations.ConclusionsUstekinumab was well tolerated in a complex UK CD population and demonstrated benefit to patients in terms of clinical response and improvement of biomarkers and with some patients attaining clinical remission. No unexpected safety signals were seen.

scholarly journals P419 Clinical effectiveness and safety of first-line biologic vedolizumab as a monotherapy or combination therapy in ulcerative colitis and Crohn’s disease patients: results from the EVOLVE study

2020 ◽  
Vol 14 (Supplement_1) ◽  
pp. S381-S382
Author(s):  
B Bressler ◽  
A Yarur ◽  
U Kopylov ◽  
M Bassel ◽  
N Brett ◽  
...  
Keyword(s):  
Ulcerative Colitis ◽  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Clinical Response ◽  
Real World ◽  
Clinical Remission ◽  
Clinical Effectiveness ◽  
First Line ◽  
Safety Outcomes

Abstract Background There is little long-term research (≥12 months) in ulcerative colitis (UC) and Crohn’s disease (CD) patients investigating the impact on clinical effectiveness of combined (combo) therapy of vedolizumab (VDZ) plus immunomodulators/immunosuppressants (IMMs) compared with VDZ monotherapy. Research suggests the use of concomitant aminosalicylates [5-ASAs] in UC may not bolster effectiveness. Finally, it is unclear if the safety profile differs between VDZ monotherapy and combo therapy. This study described clinical effectiveness and safety outcomes in patients with UC or CD treated with first-line biologic VDZ as monotherapy or combo therapy with IMMs or 5-ASAs (UC only). Methods This was a real-world, multi-country (Canada, Greece and the USA), retrospective chart review study of biologic-naïve UC and CD patients (≥18 years old) treated with VDZ (initiated Tx May 2014–March 2018). Data were collected from Tx initiation to the earliest of death and chart abstraction date. Cumulative rates of clinical effectiveness outcomes over 24 months (Tx persistence, clinical response and clinical remission) were estimated using the Kaplan-Meier method with unadjusted comparisons conducted using the log-rank test. Clinical response and remission were assessed from standard disease measures reported in medical records. Analyses of unadjusted incidence rates (per 100 person-years [PYs]) of disease exacerbations, disease-related surgeries, serious adverse events (SAEs) and serious infections (SIs) were performed. For these analyses in monotherapy vs. VDZ+IMMs, UC and CD patients were combined due to restrictions of sample size and a number of events. Results This analysis included 318 patients treated with VDZ (monotherapy: UC = 53, CD = 108; VDZ+IMMs: UC = 22, CD = 24; VDZ+5-ASAs: UC = 111). There were no observed differences in age, sex or disease duration between patients on monotherapy vs. VDZ+IMMs or vs. VDZ+5-ASAs. Data trends in effectiveness outcomes were similar in monotherapy vs. VDZ+IMMs over 24 months (Figure 1). Tx persistence (monotherapy: 71.6%; VDZ+5-ASAs: 82.7%; p = 0.40), clinical remission (monotherapy: 54.3%; VDZ+5-ASAs: 87.7%; p = 0.37) and clinical response (monotherapy: 81.7%; VDZ+5-ASAs: 92.2%; p = 0.54) were also similar between monotherapy and VDZ+5-ASAs over 24 months. Safety outcomes were similar between groups (Figure 2). Conclusion Though sample sizes were small, the unadjusted trends in the results of this long-term real-world study suggest that biologic-naïve UC or CD patients treated with VDZ alone may have similar clinical effectiveness outcomes to patients receiving VDZ+IMMs. Trends in data also suggest that in patients with UC, VDZ+5-ASAs may not be more effective than VDZ alone.

scholarly journals P387 Real-world clinical outcomes of biologic-naïve non-complicated Crohn’s disease patients treated with vedolizumab: Results from the EVOLVE study

2020 ◽  
Vol 14 (Supplement_1) ◽  
pp. S360-S361
Author(s):  
A Yarur ◽  
G J Mantzaris ◽  
U Kopylov ◽  
M Bassel ◽  
N Brett ◽  
...  
Keyword(s):  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Clinical Response ◽  
Real World ◽  
Clinical Remission ◽  
Complex Disease ◽  
Clinical Effectiveness ◽  
Mucosal Healing ◽  
Kaplan Meier ◽  
The Usa

Abstract Background Crohn’s disease (CD) can lead to complications that impact treatment (Tx) decisions and its clinical effectiveness. The objective of this analysis was to compare clinical effectiveness outcomes of CD patients treated with first-line biologic vedolizumab (VDZ) who did not have a complicated disease phenotype (non-complicated) to VDZ patients who had complications (complex disease). Methods This was a retrospective real-world cohort study of biologic-naïve CD patients (≥18 years old) in Canada, Greece and the USA who initiated VDZ Tx between May 2014 and March 2018. Data were collected from Tx initiation to the earliest of chart abstraction date or death. The non-complicated CD was defined as patients who had mild or moderate disease severity and no active fistula at Tx initiation, had no prior CD-related surgeries since diagnosis and no CD-related hospitalisations within 12 months prior to Tx initiation. The complex disease cohort encompassed all other CD patients. Cumulative rates of clinical effectiveness outcomes over 24 months (Tx persistence, clinical response and clinical remission) were estimated using the Kaplan–Meier method. Using pre-defined hierarchical algorithms, clinical response and clinical remission were assessed from standard disease measures reported in the medical records. Results This analysis included 218 CD patients treated with VDZ (non-complicated: 64 (29.3%); complex: 154 (70.6%) from 37 sites. Mean (SD) age at Tx initiation: non-complicated, 46.2 (15.8); complex, 54.0 (16.7); male: non-complicated, 45.3%; complex, 55.2%. Cumulative rates of clinical response were significantly greater in non-complicated than complex disease patients over 24 months (non-complicated: 93.0%, complex: 76.0%, p &lt; 0.01) (Figure 1). Tx persistence (non-complicated: 76.7%, complex: 66.6%, p = 0.68) (Figure 2) and clinical remission (non-complicated: 81.9%, complex: 73.5%, p = 0.36) (Figure 1) were not significantly different between the two cohorts over 24 months. Fewer patients had data for mucosal healing over 24 months, and it was also not significantly different between groups at 12 months (non-complicated: 66.4%, complex: 60.2%, p = 0.95). Conclusion A high proportion of patients (70%) had a complex disease when VDZ Tx was initiated but those with non-complicated phenotype had a higher response rate. To help guide physicians in positioning the optimal Tx for biologic-naïve CD patients, it is important to identify the sub-group of patients who can most benefit from VDZ Tx. The results of this real-world study suggest that the biologic-naïve, non-complicated CD patients benefit more from VDZ treatment compared with those with disease complications.

scholarly journals Combination Ciprofloxacin and Metronidazole for Active Crohn’s Disease

1998 ◽  
Vol 12 (1) ◽  
pp. 53-56 ◽  
Author(s):  
Susan L Greenbloom ◽  
A Hillary Steinhart ◽  
Gordon R Greenberg
Keyword(s):  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Clinical Response ◽  
Clinical Remission ◽  
Intestinal Bacteria ◽  
Colonic Disease ◽  
Efficacy And Safety ◽  
Index Reduction ◽  
Ileal Disease

Recent experimental evidence underscores the contribution of intestinal bacteria to the inflammatory process of Crohn's disease. This open study examined the efficacy and safety of combination ciprofloxacin and metronidazole for patients with active Crohn's disease of the ileum and/or colon. Seventy-two patients with active Crohn's disease of the ileum (n=27), ileocolon (n=22) or colon (n=23) were treated with ciprofloxacin 500 mg bid and metronidazole 250 mg tid for a mean of 10 weeks. Clinical remission was defined as a Harvey-Bradshaw index of three points or less; an index reduction of at least three points indicated a clinical response. Clinical remission was observed in 49 patients (68%), and 55 patients (76%) showed a clinical response. A clinical response was noted in 29 of 43 patients (67%) who were not taking concurrent prednisone treatment and in 26 of 29 patients (90%) receiving prednisone (mean dose of 15 mg/day). A clinical response also occurred in a greater proportion of patients with colonic disease, with or without ileal involvement (84%), compared with patients with ileal disease alone (64%), and in patients without resection (86%) compared with those with previous resection (61%). Five patients discontinued antibiotics because of adverse events. After a mean follow-up of nine months, clinical remission was maintained in 26 patients off treatment and in 12 patients who continued antibiotic therapy. Ciprofloxacin in combination with metronidazole is well tolerated and appears to play a beneficial role in achieving clinical remission for patients with active Crohn's disease, particularly when there is involvement of the colon.

scholarly journals Long-term Clinical Effectiveness of Ustekinumab in Patients with Crohn’s Disease Who Failed Biologic Therapies: A National Cohort Study

2019 ◽  
Vol 13 (11) ◽  
pp. 1401-1409 ◽  
Author(s):  
Claire Liefferinckx ◽  
Bram Verstockt ◽  
Ann Gils ◽  
Maja Noman ◽  
Catherine Van Kemseke ◽  
...  
Keyword(s):  
Cohort Study ◽  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Adverse Events ◽  
Clinical Response ◽  
Real World ◽  
Clinical Remission ◽  
De Novo ◽  
Real World Data

Abstract Background Ustekinumab [UST] was recently approved in Europe for the treatment of moderate to severe Crohn’s disease [CD]. Long-term real-world data are currently scarce for CD patients previously exposed to several biologics. Methods This is an observational, national, retrospective multicentre study. Patients received intravenous UST ~6 mg/kg at baseline, with 90 mg subcutaneously thereafter every 8 weeks. Response and remission rates were assessed at Weeks 8, 16, and 52. Results Data from 152 patients were analysed. All patients were exposed to at least one anti-TNFα agent, with 69.7% were exposed to even two anti-TNFα and vedolizumab. After 1 year, 42.1% and 25.7% of patients had experienced clinical response and clinical remission, respectively, and 38.8% and 24.3% had achieved steroid-free clinical response and remission, respectively; 38.8% of patients discontinued therapy during the 12 months of follow-up. Colonic location was predictive of clinical response at 1 year, and low body mass index [BMI] at baseline was a negative predictor of clinical remission. Resolution of arthralgia was associated with clinical response over time. De novo arthralgia was reported by 17.9% of patients at Week 8 and 13.5% of patients at Week 52. No impact of UST on arthralgia was observed in patients with concomitant ankylosing spondylitis [n = 17]. Others adverse events were reported in 7.2% of patients. Conclusions This real-world cohort study confirms the effectiveness of UST in CD patients previously exposed to several biologics. Ustekinumab was well tolerated with respect to adverse events. Podcast This article has an associated podcast which can be accessed at https://academic.oup.com/ecco-jcc/pages/podcast

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

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 &gt;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.

scholarly journals P130 Efficacy and safety of ustekinumab in Crohn’s disease: a real-world study from the west midlands

2021 ◽  
Author(s):  
Ella Mozdiak ◽  
Muhammad Junaid Aleem ◽  
Noor Alhamamy ◽  
Harkaran Kalkat ◽  
Saskia Port ◽  
...  
Keyword(s):  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Real World ◽  
Efficacy And Safety ◽  
The West ◽  
West Midlands

scholarly journals OP26 Risankizumab induces early clinical remission and response in patients with Moderate-to-Severe Crohn’s Disease: Results from the phase 3 ADVANCE and MOTIVATE studies

2021 ◽  
Vol 15 (Supplement_1) ◽  
pp. S026-S027
Author(s):  
S W Schreiber ◽  
M Ferrante ◽  
R Panaccione ◽  
J F Colombel ◽  
T Hisamatsu ◽  
...  
Keyword(s):  
Crohn’S Disease ◽  
Crohn's Disease ◽  
Clinical Response ◽  
Induction Therapy ◽  
Clinical Remission ◽  
Activity Index ◽  
Unmet Need ◽  
Inadequate Response ◽  
Biologic Treatment ◽  
Double Blind

Abstract Background Present therapies leave an unmet need for early and effective treatment for patients with Crohn’s disease (CD). Risankizumab (RZB), a humanized immunoglobulin G1 monoclonal antibody against the p19 subunit of interleukin-23, was evaluated as an induction therapy to induce early clinical remission and response in patients with moderate-to-severe CD in two double-blind, randomized, placebo (PBO)-controlled studies (ADVANCE [NCT03104413] and MOTIVATE [NCT03105128]). Methods Patients with moderate-to-severe CD (CD Activity Index [CDAI] of 220–450, Simple Endoscopic Score for CD [SES-CD] ≥ 6 [≥ 4 for isolated ileal disease] excluding the narrowing component, and average daily [liquid/very soft] stool frequency [SF] ≥ 4 and/or average daily abdominal pain [AP] score ≥ 2) who had inadequate response or intolerance to conventional and/or biologic treatment (ADVANCE), or biologic treatment only (MOTIVATE) were randomised 2:2:1 (ADVANCE) or 1:1:1 (MOTIVATE) to receive intravenous RZB 600 mg, RZB 1200 mg, or PBO as induction therapy at weeks 0, 4, and 8. Clinical remission (per either CDAI or a composite of SF and AP criteria), clinical response (per CDAI criterion), and enhanced clinical response (per a composite of SF and AP criteria) were evaluated at weeks 4, 8, and 12 (endpoints defined in Figure 1 footnotes). Safety was assessed throughout the studies. Results A total of 1419 patients from ADVANCE (N = 850) and MOTIVATE (N = 569) respectively, were randomised and included in the intention-to-treat population. In both studies, starting at week 4 (the first prespecified measurement), greater proportions of RZB 600 mg or RZB 1200 mg- vs PBO-treated patients achieved clinical remission per either CDAI (P = .01/P &lt; .05) or SF/AP criteria (P &lt; .01/P &lt; .01), clinical response per CDAI criterion (P = .001/P &lt; .01), and enhanced clinical response per SF/AP criteria (P &lt; .01/P = .14) (Figure 1). For both RZB 600 mg and RZB 1200 mg, the efficacy and treatment effect increased through week 12 (P ≤ .001/P ≤ .001) (Figure 1). Treatment with RZB 600 mg or 1200 mg was well tolerated, and no new safety risks were identified.1,2 Conclusion Induction therapy with both RZB 600 mg and 1200 mg intravenous resulted in significantly greater clinical remission and response vs PBO as early as week 4 and sustained through week 12 in patients with moderate-to-severe CD who had inadequate response or intolerance to conventional and/or biologic treatment. References

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