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Introduction: In the SARS-CoV2 mRNA vaccine trials, post-vaccination gastrointestinal (GI) symptoms were reported in 10-20% of participants. These symptoms could be perceived as inflammatory bowel disease (IBD) flare which could lead to patient anxiety, and unnecessary tests or treatment. We aimed to assess GI symptoms after SARS-CoV2 mRNA vaccination in patients with IBD relative to non-IBD healthcare workers (HCW). Methods: We assessed GI symptoms in adults with IBD and HCW at baseline and after each dose of a SARS-CoV-2 mRNA vaccine. We analyzed patient-reported IBD-specific disease activity (PRO2) after each dose (stool frequency (SF) and rectal bleeding for ulcerative colitis (UC), SF and abdominal pain for Crohn's disease (CD)). We also compared the frequency, severity, and duration of postvaccination GI symptoms in IBD patients compared to HCW. Severity was defined by impact on daily activities (mild, did not interfere;moderate, some interference;severe, prevented routine activity;extreme, required hospitalization). Severe and extreme were combined and designated as severe+. Duration was classified as 7 days. Results: Post-vaccination GI symptoms were assessed after dose 1 (D1) (1391 IBD, 933 HCW) and dose 2 (D2) (1271 IBD, 884 HCW) (Table). About 60% of IBD and>99% of HCW received the BNT162b vaccine (Pfizer);the remainder received mRNA-1273 (Moderna). New GI symptoms after D1 were more frequent among IBD than HCW (6.0% vs 2.9%, p=0.001) but not after D2 (12.1% vs 12.7%, p=NS). Relative to HCW, IBD patients reported more diarrhea (3.8% vs. 1% (p

Background Patients with chronic, immune-mediated conditions such as inflammatory bowel disease (IBD) are often treated with long-term immunosuppressive therapies, potentially increasing their risk of developing an infection. Empiric data suggest that vaccines are underutilized in immunocompromised patients, despite published guidelines recommending their use. We aimed to assess exposure risk and immunization status among patients receiving care in an IBD specialty clinic. Methods Patients completed a self-administered, pretested, structured questionnaire during a routine visit for the management of IBD. Survey questions related to medical and immunization histories, and exposures to known risk factors for influenza, pneumococcus, viral hepatitis, and varicella. Additionally, in a subgroup of patients who agreed to donate a sample of blood, immune status to hepatitis A (HAV), hepatitis B (HBV), and varicella was determined. Results Two hundred four patients were asked to participate in the study; 169 completed surveys and comprised the study population. Mean age was 35 yr (range 13-75 yr). One hundred forty-six respondents (86%) reported current or prior use of immunosuppressive medications. Only 45% of respondents recalled tetanus immunization within the past 10 yr, 41 (28%) reported regularly receiving flu shots, and 13 (9%) reported having received pneumococcal vaccine. The most common reasons for nonimmunization with influenza included lack of awareness (49%) and concern for side effects (18%). Responses indicated that 75 (44%) patients were at risk for HBV but only 47 (28%) had been vaccinated against the infection; of patients with previous HBV vaccination, only three of nine (33%) had measurable antibodies against hepatitis B surface antigen. Conclusions Immunization against selected vaccine-preventable illnesses was uncommon in patients with IBD, despite the presence of significant risk factors. Efforts to improve immunization status among patients with IBD and other chronic, immune-mediated conditions are needed.

To review the current epidemiological information on celiac disease and the various presentations and associated.Epidemiologic studies reveal celiac disease to be common, occurring in approx. 1% of the population. It is being diagnosed worldwide, even in developing countries. The classic mode of presentation has become less common, with diarrhea or a malabsorption syndrome as the mode of presentation in fewer than 50% of individuals. The other major modes of presentation are iron-deficiency anemia, osteoporosis, screening of family members, or incidentally at endoscopy done for dyspepsia or reflux. Neurological presentations may include peripheral neuropathy or ataxia. Arthritis is commonly found in patients with celiac disease when systematically sought. Patients often have a previous diagnosis of irritable bowel syndrome. Autoimmune diseases occur more frequently (three to ten times more) in those with celiac disease than the general population. However, this increased incidence of autoimmune diseases is not prevented by early diagnosis of celiac disease.We will review the various associated diseases/presentations of celiac disease. The heterogeneity of the symptoms can make the diagnosis challenging and certainly the great modern-day imposter.

Purpose of review The primary objective of this review is to highlight the evidence for the role of endoscopy in celiac disease. Recent findings Evidence is presented that the endoscopic markers of celiac disease are specific although not sensitive for the disease. Villous atrophy, the hallmark of celiac disease, is patchy in the duodenum, and various techniques may identify areas of villous atrophy. These methods include magnification endoscopy and chromoendoscopy. The most recent innovation, video capsule endoscopy, may be of value in the diagnosis of celiac disease and in the assessment of patients with complicated celiac disease. Summary Endoscopy and duodenal biopsies are the mainstay for diagnosing celiac disease. Although characteristic endoscopic features may be useful, their absence does not exclude celiac disease. Random biopsy, even of normal-appearing mucosa is necessary for the diagnosis of celiac disease.

Although infliximab is highly effective in the treatment of Crohn's disease (CD), attenuated response to infliximab may develop over time in a subgroup of patients. The aim of our study was to examine the safety and efficacy of adalimumab (D2E7), a fully humanized anti-TNF-alpha Ab, in CD patients who had experienced an attenuated response to infliximab.Fifteen patients with active CD who experienced an attenuated response to infliximab were treated with adalimumab over a 6-month period. Patients, received a loading dose of 80 mg subcutaneously followed by 40 mg every 2 wk. The clinical response to adalimumab was classified as complete response, partial response, or nonresponse.Two patients received the loading dose of adalimumab but did not have adequate follow-up evaluations. Of the remaining 13 patients, 7 (54%) had a complete response, 4 (31%) had a partial response, and 2 (15%) were nonresponders. In six patients, the maintenance dose was increased in order to maintain clinical response. Eight of 11 (73%) patients on concurrent corticosteroids were able to discontinue or significantly decrease the dose of the steroids. Adalimumab was well tolerated without signs or symptoms of allergic reaction except in two patients who developed an injection site reaction.Our preliminary data suggest that adalimumab may be a safe and effective therapy for patients with CD who have experienced an attenuated response to infliximab.

Celiac disease is an autoimmune disorder which can present with a variety of non-gastrointestinal manifestations. In women, it may manifest with an assortment of gynecologic or obstetric disorders. Some reports have linked female infertility with undiagnosed celiac disease. Though there are a number of studies from Europe and the Middle East, only two prior American studies have examined the prevalence of “silent” celiac disease in a female infertility population. We prospectively performed serologic screening for celiac disease in 188 infertile women (ages 25–39). While we did not demonstrate an increased prevalence of celiac disease in our overall infertile female population, we were able to detect a significantly increased prevalence (5.9%) of undiagnosed celiac disease among women presenting with unexplained infertility (n=51). Our findings suggest the importance of screening infertile female patients, particularly those with unexplained infertility, for celiac disease.

The anti-TNF-alpha antibody infliximab (Remicade) is highly effective in the treatment of Crohn's disease. A subset of patients experience allergic reactions as a result of antibodies to infliximab (ATIs). The purpose of the current study is to describe the safety and efficacy of adalimumab (Humira) in patients previously allergic or intolerant to infliximab. Adalimumab is an anti-TNF-alpha agent containing only human peptide sequences. Seven patients have been treated with adalimumab who had experienced immediate- or delayed-hypersensitivity reactions to infliximab and one with infliximab-induced lupus. Except for injection site discomfort, adalimumab was well tolerated without signs or symptoms of allergic reactions. One patient who had previously received pooled human immunoglobulin developed a pruritic rash after each dose of adalimumab. Patients with active disease who had previously experienced a robust response to infliximab responded to adalimumab as reflected by an improvement in Harvey-Bradshaw index and inflammatory markers. Based on these preliminary data, adalimumab may be a safe and effective substitute for infliximab-allergic patients. Individuals who have been exposed to human antibodies may be sensitized to other human antibodies such as adalimumab.

The diagnosis of celiac disease requires characteristic histopathologic changes in an intestinal biopsy with clinical improvement in response to a gluten-free diet. Endoscopy with procurement of biopsy specimens is often performed to document response to the diet, but there are little data on the appearance of treated celiac disease. This study examined the endoscopic and histopathologic appearance of the duodenum of patients with celiac disease whose diet was gluten-free.A cohort of 39 adult patients (mean age 52 years, range 20-74 years) with biopsy-proven celiac disease was retrospectively reviewed. All had responded clinically to a gluten-free diet that they had maintained for a mean of 8.5 years (range 1-45 years). The endoscopic and histopathologic appearances of the duodenal mucosa were reviewed. Blinded review of the diagnostic (initial) and post-treatment biopsy specimens was also performed to assess response of individual patients to the diet.The endoscopic appearance was normal in 23%, reduced duodenal folds were present in 46%, scalloping of folds in 33%, mucosal fissures in 44%, and nodularity in 33%. There was more than 1 abnormality present in 46%. Histology was normal in only 21%. The remainder had villous atrophy (69% partial, 10% total). Paired (diagnostic and follow-up) biopsy specimens were reviewed blindly for 12 patients. The mean (SD) intraepithelial lymphocyte count fell from 61 (22) to 38 (17) (normal30 per 100 epithelial cells) and the crypt-to-villous ratio improved although it did not normalize.Despite a good clinical response, abnormal endoscopic and histopathologic appearances persist in the majority of patients with celiac disease treated with a gluten-free diet.