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Aim: We have previously shown that CRP < 2.9 mg/L is a better predictor of endoscopic remission (ER) than CRP < 5 mg/L in ulcerative colitis (UC). Here, we prospectively evaluate CRP and FCP cut-offs and compare them in predicting ER and histological remission (HR) in UC. Method: One hundred thirty-five steroid-free UC patients were evaluated prospectively. ER was defined as Mayo endoscopic sub-score 0–1. In colonoscopy, the colon was evaluated as seven segments: rectum, sigmoid, descending, proximal-transverse, distal-transverse, ascending colon, and cecum. Two biopsies of each segment were evaluated for histological inflammation and graded using the Nancy and Geboes scores. All segment biopsies with Nancy < 1 and Geboes < 2 were defined as HR. Results: The optimum cut-off values for FCP and CRP were 120 μg/g and 2.75 mg/L for ER, respectively. AUC values of FCP and CRP were similar for ER and Mayo-0 disease in ROC analysis. CRP and FCP also had similar performances with these cut-offs regarding ER. While CRP was a predictor to assess the extensiveness of active UC, FCP was not. ROC analysis showed no difference between CRP and FCP regarding HR. Cut-off values for HR were 2.1 mg/L and 55 μg/g for CRP and FCP, respectively. CRP and FCP, in combination with the mentioned cut-off values, detected ER and HR in nearly 2/3 and ½ of the patients, respectively, with high specificity. Conclusions: Reappraised CRP (ER: 2.75 mg/L, HR: 2.1 mg/L) has as much diagnostic contribution as relevant FCP in predicting ER and HR and contributes more to revealing the proximal extension in active colitis compared to FCP. Relevant CRP and FCP combinations may improve the prediction rates. [ABSTRACT FROM AUTHOR]

Objectives Infliximab (IFX) is increasingly being used for the treatment of severe manifestations of Behçet's syndrome (BS). However, emergence of new manifestations has also been occasionally reported during IFX treatment. We aimed to assess the frequency of new manifestations in our BS patients treated with IFX. Methods A chart review was conducted to identify all BS patients treated with IFX in our clinic between 2004 and 2020. Demographic data, indications for IFX initiation, concomitant treatments and outcomes were recorded. A new manifestation was defined as the emergence of a new organ involvement or mucocutaneous manifestation developing for the first time during IFX treatment or within 12 weeks after the last infusion of IFX. Results Among our 282 patients who used IFX, 19 (7%) patients had developed a total of 23 new manifestations during a mean follow-up of 20.0 (15.3) months. Patients with vascular involvement were more likely to develop a new manifestation (12/19, 63%). Initial manifestations that required IFX were in remission at the time of new manifestation in 14/19 patients. IFX treatment was intensified (n  = 6) and/or glucocorticoids, immunosuppressives or colchicine was added to IFX (n  = 21). IFX was switched to another agent for the remaining manifestations (n  = 8). These treatment modifications led to remission in 17/19 patients. Conclusion New manifestations developed during IFX treatment in 7% of our patients with BS. They could be managed by intensifying IFX treatment or adding other agents in the majority of these manifestations. [ABSTRACT FROM AUTHOR]

Aim: Most patients with ulcerative colitis (UC) with active mucosal disease have a lower C-reactive protein (CRP) level than the classic accepted cutoff level (≤5 mg/l). We aimed to predict the mucosal remission in UC with an optimal cutoff level of CRP when mucosal activity and extensiveness of UC were both considered. Method: In this retrospective study, we evaluated CRP values and their relation to mucosal extension and UC activity in 331 colonoscopic examinations performed between December 2016 and March 2019. Endoscopic activity and disease extension were assessed using Mayo scores and the Montreal classification. Results: The Mayo 2 and 3 groups’ CRP values were significantly higher when compared with Mayo 0–1 between values of E1 and both E2 and E3 with an increasing trend. The standard CRP cutoff level ≤5 mg/l only yielded 55% specificity in predicting mucosal remission. In the ROC analysis, a CRP cutoff level ≤2.9 mg/l predicted an overall mucosal remission (Mayo 0–1) with 77% sensitivity and 80% specificity, and ≤1.9 mg/l predicted Mayo-0 with 70% sensitivity and specificity. In the clinical remission subgroup, the overall CRP cutoff level was even lower, at ≤1.58 mg/l. Conclusion: An overall CRP cutoff level ≤2.9 mg/l predicts mucosal remission in UC better than the standard cutoff ≤5 mg/l. Mucosal remission in stable clinical remission may present with an even lower CRP level. An increasing trend in the CRP level from E1 through E3 even in mucosal remission suggests that both histological inflammation and extensiveness may have some influence on a CRP-based prediction of endoscopic remission [ABSTRACT FROM AUTHOR]

Objectives: Treatment response may be variable across organ manifestations of Behçet syndrome (BS). We aimed to determine the frequency of de novo manifestations during adalimumab treatment., Methods: We conducted a chart review of all BS patients who received adalimumab in our center between 2008 and 2023. Demographic data, reasons for initiating adalimumab, concurrent medications, previous treatments, and outcomes were recorded. We defined de novo manifestations as new BS manifestations that occurred for the first time during treatment with adalimumab. For patients with vascular involvement, a new vascular event at another vessel was also considered as a de novo manifestation., Results: Among the 335 patients, a de novo manifestation developed in 14 (4%) patients. De novo manifestations were vascular involvement in 5 patients, arthritis in 3, anterior uveitis in 2, nervous system involvement in 2, gastrointestinal involvement in 1, and epididymitis in 1 patient. The primary reasons for adalimumab treatment were vascular involvement in 5 patients, uveitis in 4, arthritis in 3, mucocutaneous involvement in 1, and epididymitis in 1 patient. Upon the development of de novo manifestation, adalimumab was switched to another biologic in 4 patients, dose was intensified in 3, colchicine, conventional immunosuppressives, and/or glucocorticoids were added in 5, and topical eye drops were added in 2 patients, leading to remission of de novo manifestations in all patients., Conclusion: De novo manifestations were infrequent (4%) among BS patients treated with adalimumab. Of these, 57% were major organ involvement, mainly vascular involvement. None of the patients developed posterior uveitis., (© The Author(s) 2024. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)

Background: Patients with Crohn's disease experience major deterioration in work productivity and quality of life. We aimed to provide the long-term effects of anti-tumor necrosis factor agents on work productivity and activity impairment and quality of life in patients with Crohn's disease using the Inflammatory Bowel Disease Questionnaire and the Short-Form Health Survey-36., Methods: Patients with Crohn's disease and initiated an anti-tumor necrosis factor treatment were included and followed up for 12 months in this observational study., Results: A total of 106 patients were included in this study, and 64.2% of the patients were males. Mean [± standard deviation] age was 36.8 [± 10.9] years. At baseline, mostly perianal fistulas [65.7%] were observed [n = 23]. Intestinal stenosis was detected in 34.9% of the patients [n = 37], and most of the stenosis was located in the ileum [70.6%] followed by the colon [20.6%]. Extraintestinal symp- toms were observed in 24 patients [22.6%]. Most frequent extraintestinal symptom was arthritis with 71.4% [n = 15]. Mean time from first symptom to initiation of anti-tumor necrosis factor treatment was 6.3 [± 5.0] years. Improvements in work productivity and activ- ity impairment scores throughout 12 months were -24.1% [P = .003] for work time missed, -18.0% [P = .006] for impairment at work, -8.5% [P = .160] for overall work impairment, and -17.0% [P < .001] for daily activity impairment. Similarly, significant improvements [P < .001] were detected in all components of the Inflammatory Bowel Disease Questionnaire when compared to baseline. Statistically sig- nificant improvements [P < .05] were detected for all components of Short-Form Health Survey-36 except for mental health [P = .095]., Conclusion: Our study indicates the significant improvement in work productivity and activity impairment and quality of life of patients with Crohn's disease who receive long-term anti-tumor necrosis factor treatment.

Objectives: Case reports and series suggest that Takayasu's arteritis (TAK) can co-exist with other inflammatory disorders. We conducted a formal study to look specifically at the frequency of such inflammatory disorders in a large cohort of TAK followed by a single tertiary centre., Methods: There were 238 patients registered with a diagnosis of TAK. Of these, 19 died, 18 were lost to follow-up and 3 did not wish to respond to our questionnaire. The remaining 198 (175 F/23 M) patients were called back at the outpatient clinic. A standardised form sought whether the patient was also diagnosed with inflammatory bowel disease (IBD), ankylosing spondylitis (AS), Behçet's syndrome (BS), autoimmune or any other inflammatory disorder. The presence of skin-mucosa lesions, inflammatory eye disease and inflammatory back pain were also specifically sought for., Results: We identified 37 (19%) patients with inflammatory bowel disease (n=12, 6%), ankylosing spondylitis (n=15, 8%) or Behçet's syndrome (n=10, 5%). Thirteen (6.5%) patients had systemic or localised autoimmune disease and 9 (4.5%) miscellaneous inflammatory diseases. Among the 139 patients without any concomitant disease, inflammatory back pain (n=49, 35%) was the most common feature, followed by recurrent oral ulcer (n=20, 14%) erythema nodosum (n=17, 12%), arthritis (n=12, 9%) papulopustular lesions (n=8, 6%) and uveitis/scleritis (n=6, 4%). Only 64 patients (32%) did not have any concomitant disease/condition or specific clinical feature., Conclusions: TAK does co-occur with IBD, AS and less frequently with BS in about 1/5 of the patients, at least in a hospital setting. There is no clear temporal pattern. The high prevalence of inflammatory back pain in the dorsal spine in TAK needs further scrutiny.

Objectives: The faecal calprotectin (FC) test is widely used as a non-invasive method for identifying intestinal inflammation. A recent study suggested FC may help to diagnose gastrointestinal involvement of Behçet's syndrome (GIBS). We aimed to determine whether FC helps to distinguish active from inactive intestinal involvement in GIBS., Methods: We tried to contact 70 GIBS patients registered in our tertiary multidisciplinary clinic. We prospectively collected faecal specimens and serum from 39 GIBS patients who gave informed consent assessing calprotectin and CRP levels followed by a colonoscopy. We included 47 Crohn's disease (CD) patients as controls. Active disease was defined as having ulcer/s on colonoscopy. We filled the Disease Activity Index for Intestinal Behçet's Disease (DAIBD) and Crohn's Disease Activity Index (CDAI). The cut-off for positive FC was defined as ≥150 μg/g., Results: Ulcers were detected in 12/39 GIBS patients. Sensitivity and specificity of the FC test for active disease was 91.7 (95%CI:61.5-99.8) and 74.1% (95%CI:53.7-88.9). Median FC and CRP levels and DAIBD scores were higher among patients with ulcers, whereas serum calprotectin and CDAI scores were not. A negative FC test was the only significant predictor of remission (OR:37.04, 95%CI:2.4-561.6; p=0.009) on multivariate analysis. Among CD patients, 16/25 active patients and 3/22 patients in endoscopic remission had a positive FC test (OR:11, 95%CI:11-49)., Conclusions: FC, but not serum calprotectin seems to be a useful non-invasive tool for assessing disease activity in GIBS. Whether the presence of oral ulcers can cause false positive results remains to be studied.

Objectives: A number of patients with Behçet's disease (BD) associated with myelodysplastic syndrome (MDS) with or without trisomy 8 have been reported. A high frequency of gastrointestinal (GI) involvement was reported in such patients. The aim of this systematic literature review was to delineate whether GI involvement is an inherent feature of BD associated with MDS, whether these patients do actually have BD rather than GI symptoms related to MDS, and whether the presence of trisomy 8 plays a role in the disease expression of BD associated with MDS., Methods: A systematic literature review was performed in PubMed using the keywords (Behçet's disease OR Behçet's syndrome) AND (myelodysplastic syndrome OR trisomy 8) until December 2013., Results: Data from 39 manuscripts that met the inclusion criteria, reporting on 52 patients were analysed. GI involvement was common in reports from both the Far East and non-Far East countries (75% vs. 50.0%, p=0.15). These patients had typical BD manifestations, except for 1 patient who had only oral ulcers and gastrointestinal involvement. The presence of trisomy 8 seems to be associated with an increased frequency of fever (79.5% vs. 33.3%, p=0.005)., Conclusions: GI involvement seems to be an inherent feature of BD associated with MDS regardless of geographic differences. Despite the increased frequency of GI involvement in these patients, MDS does not seem to modify the clinical expression of gastrointestinal involvement. Presence of trisomy 8 seems to modify the disease expression with an increased frequency of fever.

We report a patient with Behçet's syndrome who presented with upper gastrointestinal haemorrhage. Gastroduodenoscopy showed a gastroduodenal fistula which caused the appearance of double pylorus in the antrum. The possibility of peptic ulcer disease related to non-steroidal anti-inflammatory drug use or Behçet's syndrome itself, as the cause of this rare condition in this patient is discussed.

Objectives: Gastrointestinal involvement of Behçet's syndrome is usually treated with glucocorticoids, 5-aminosalicylic acid compounds and azathioprine. However, some patients are refractory to these conventional therapy modalities. In this paper we report our experience on 13 patients with gastrointestinal involvement of Behçet's syndrome who were refractory to the conventional therapy and who were treated with TNF-alpha antagonists and/or thalidomide., Methods: We reviewed the charts of our Behçet's syndrome patients with gastrointestinal involvement and identified those who were treated with TNF-alpha antagonists and/or thalidomide. Demographic features, previous and concomitant drugs, previous surgery, time to remission and duration of remission were tabulated. We also performed a systematic review of publications on gastrointestinal involvement of Behçet's syndrome patients treated with TNF-alpha antagonists and/or thalidomide., Results: Among our 64 patients with gastrointestinal involvement of Behçet's syndrome, we identified 13 (20%) (7 women, 6 men, mean age 27.4±9.4) who had been treated with TNF-alpha antagonists and/or thalidomide. Their previous medications were glucocorticoids (13/13), azathioprine (13/13), 5-aminosalicylic acid derivatives (3/13) and budesonide (1/13). Clinical and endoscopic remission was obtained in 10 patients. One patient died with sepsis. The systematic literature search revealed 91 cases who had used TNF-alpha antagonists and 15 who had used thalidomide. Among the patients who had received TNF-alpha antagonists, clinical remission was obtained in 47/91 patients (51%), while endoscopic remission was observed in 21/46 (45%) who had a control colonoscopy., Conclusions: One fifth of our Behçet's syndrome patients with gastrointestinal involvement were refractory to conventional treatment modalities. Remission was obtained with TNF-alpha antagonists and/or thalidomide in about 75% of the cases.

This paper describes the first case of common variable immunodeficiency (CVID) and AA amyloidosis. A recently treated tuberculosis, and chronic inflammation induced by frequent respiratory tract infections, were thought to be responsible for the amyloidosis. No other reason for this condition could be detected. Although T cell dysfunction in some CVID patients has been reported, pulmonary tuberculosis is quite rare with this condition. Bacterial or viral agents or evidence in favour of intestinal tuberculosis, which would explain this patient's recurrent diarrhea, were not found. In this case, the response of the attacks of diarrhea to metranidazole and the histologic observation of extensive intestinal amyloid deposition, which is known to decrease intestinal motility, made us conclude that the diarrhea was associated with bacterial overgrowth. In this report, we discuss the association of CVID and tuberculosis to secondary amyloidosis and recurrent diarrhea.