1
|
Malamut G, Soderquist CR, Bhagat G, Cerf-Bensussan N. Advances in Nonresponsive and Refractory Celiac Disease. Gastroenterology 2024; 167:132-147. [PMID: 38556189 DOI: 10.1053/j.gastro.2024.02.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/04/2024] [Accepted: 02/20/2024] [Indexed: 04/02/2024]
Abstract
Nonresponsive celiac disease (CeD) is relatively common. It is generally attributed to persistent gluten exposure and resolves after correction of diet errors. However, other complications of CeD and disorders clinically mimicking CeD need to be excluded. Novel therapies are being evaluated to facilitate mucosal recovery, which might benefit patients with nonresponsive CeD. Refractory CeD (RCeD) is rare and is divided into 2 types. The etiology of type I RCeD is unclear. A switch to gluten-independent autoimmunity is suspected in some patients. In contrast, type II RCeD represents a low-grade intraepithelial lymphoma. Type I RCeD remains a diagnosis of exclusion, requiring ruling out gluten intake and other nonmalignant causes of villous atrophy. Diagnosis of type II RCeD relies on the demonstration of a clonal population of neoplastic intraepithelial lymphocytes with an atypical immunophenotype. Type I RCeD and type II RCeD generally respond to open-capsule budesonide, but the latter has a dismal prognosis due to severe malnutrition and frequent progression to enteropathy-associated T-cell lymphoma; more efficient therapy is needed.
Collapse
Affiliation(s)
- Georgia Malamut
- Department of Gastroenterology, Assistance Publique-Hôpitaux de Paris Centre-Université Paris Cité, Hôpital Cochin, Paris, France; Laboratory of Intestinal Immunity, INSERM UMR 1163-Institut Imagine, Université Paris Cité, Paris, France.
| | - Craig R Soderquist
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York
| | - Govind Bhagat
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, New York
| | - Nadine Cerf-Bensussan
- Laboratory of Intestinal Immunity, INSERM UMR 1163-Institut Imagine, Université Paris Cité, Paris, France.
| |
Collapse
|
2
|
Dieckman T, Schumann M, Beaumont H, Bontkes HJ, Koning F, Bouma G. Enduring Clinical Remission in Refractory Celiac Disease Type II with Tofacitinib: An Open-Label Clinical Study. Clin Gastroenterol Hepatol 2024:S1542-3565(24)00497-X. [PMID: 38821313 DOI: 10.1016/j.cgh.2024.05.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 05/05/2024] [Accepted: 05/13/2024] [Indexed: 06/02/2024]
Abstract
Refractory celiac disease type 2 (RCDII) is a rare condition with high mortality because of a lack of effective treatment strategies. RCDII is caused by clonal expansion of intraepithelial lymphocytes (IELs). Gain-of-function JAK1 mutations are frequently found in these cells.1,2 In a previous in vitro study,3 we demonstrated the potential of tofacitinib, a small-molecule JAK1/JAK3 inhibitor, to control activity of the aberrant IEL population. Here, we report on an open-label prospective pilot study with tofacitinib in patients with therapy-refractory RCDII (EudraCT 2018-001678-10; Dutch Trial Registry [LTR] NL7313). Between November 2019 and February 2022, 4 patients with an established diagnosis of RCDII4 who had failed previous therapies were treated in the Netherlands with tofacitinib 10 mg twice-daily for 12 weeks (Methods; Supporting Documents). Two patients in Germany who fulfilled the inclusion criteria received similar treatment outside this protocol.
Collapse
Affiliation(s)
- Tessa Dieckman
- Department of Immunology, Leiden University Medical Center, Leiden, the Netherlands; Department of Gastroenterology and Hepatology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, the Netherlands
| | - Michael Schumann
- Division of Gastroenterology, Infectious Diseases and Rheumatology, Campus Benjamin Franklin, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Hanneke Beaumont
- Department of Gastroenterology and Hepatology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, the Netherlands
| | - Hetty J Bontkes
- Medical Immunology Laboratory, Laboratory Specialized Diagnostics & Research, Department of Laboratory Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Frits Koning
- Department of Immunology, Leiden University Medical Center, Leiden, the Netherlands
| | - Gerd Bouma
- Department of Gastroenterology and Hepatology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Gastroenterology Endocrinology Metabolism, Amsterdam, the Netherlands.
| |
Collapse
|
3
|
Valvano M, Fabiani S, Monaco S, Calabrò M, Mancusi A, Frassino S, Rolandi C, Mosca M, Faenza S, Sgamma E, Cesaro N, Latella G. Old and New Adjunctive Therapies in Celiac Disease and Refractory Celiac Disease: A Review. Int J Mol Sci 2023; 24:12800. [PMID: 37628981 PMCID: PMC10454405 DOI: 10.3390/ijms241612800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/13/2023] [Accepted: 08/12/2023] [Indexed: 08/27/2023] Open
Abstract
Celiac disease (CD) is a chronic enteropathy caused by the ingestion of gluten in a genetically susceptible individual. Currently, a gluten-free diet (GFD) is the only recommended treatment. However, unintentional gluten ingestion or a persistent villous atrophy with malabsorption (regardless of a strict GFD) as in the case of Refractory Celiac Disease (RCD) represents a major issue. In this review, we have analysed and discussed data from both randomized controlled trials and observational studies concerning adjunctive therapies as well as novel therapies for the treatment of CD and RCD. The literature search was carried out through Medline and Scopus. In total, 2268 articles have been identified and 49 were included in this review (36 studies resulting from the search strategy and 13 from other sources). Today, GFD remains the only effective treatment, although steroids, mesalamine, and more recently biological therapies have found space in the complex management of RCD. Currently, studies evaluating the effectiveness of novel therapies are still limited and preliminary results have been controversial.
Collapse
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Giovanni Latella
- Gastroenterology Unit, Division of Gastroenterology, Hepatology and Nutrition, Department of Life, Health and Environmental Sciences, University of L’Aquila, Piazzale Salvatore Tommasi 1, 67100 L’Aquila, Italy; (M.V.); (S.F.); (S.M.); (M.C.); (A.M.); (S.F.); (C.R.); (M.M.); (S.F.); (E.S.); (N.C.)
| |
Collapse
|
4
|
Elli L, Soru P, Roncoroni L, Rossi FG, Ferla V, Baldini L, Nandi N, Scaramella L, Scricciolo A, Rimondi A, Fusco N, Croci GA, Gianelli U, Cro L, Barbieri M, Lombardo V, Costantino A, Vaira V, Ferrero S, Tontini GE, Barigelletti G, Fabiano S, Doneda L, Vecchi M. Clinical features of type 1 and 2 refractory celiac disease: Results from a large cohort over a decade. Dig Liver Dis 2023; 55:235-242. [PMID: 36096991 DOI: 10.1016/j.dld.2022.08.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 08/09/2022] [Accepted: 08/11/2022] [Indexed: 02/01/2023]
Abstract
OBJECTIVES Refractory celiac disease (RCeD) is a rare complication of celiac disease (CeD) with a severe prognosis. We describe a cohort of patients with RCeD, their clinical and histological features at diagnosis, after therapy and at lymphoma onset, and the rate and causes of death over a 17-year follow-up. METHODS We retrospectively enrolled RCeD-I and RCeD-II patients attending our center between January 2002 and October 2019. Medical data were collected at diagnosis and during monitoring. Response to therapy, changes in RCeD molecular markers, number of hospitalizations, discharge diagnosis, and cause and date of death were evaluated. The control cohort consisted of 1015 responsive CeD patients. RESULTS Compared with RCeD-I, RCeD-II more frequently exhibits diarrhea (83 vs 64%), anemia (61 vs 50%), hypoalbuminemia (70 vs 21%), parenteral nutrition need (48 vs 7%), ulcerative jejuno-ileitis (7 vs 39%), and extended small intestinal atrophy (62 vs 21%). One RCeD-I and six RCeD-II patients developed lymphoma. Ten RCeD-II patients died, four from lymphoma progression. Among RCeD-II patients, atrophy extension was the only parameter correlated with hypoalbuminemia and mortality. CONCLUSIONS Clinical severity, response to therapy, and mortality differ between RCeD-I and RCeD-II. Atrophy extension, evaluated at capsule endoscopy, was associated with disease severity and mortality.
Collapse
Affiliation(s)
- Luca Elli
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy; Center for Prevention and Diagnosis of Celiac Disease and Division of Gastroenterology and Endoscopy, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy.
| | - Pietro Soru
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy; Center for Prevention and Diagnosis of Celiac Disease and Division of Gastroenterology and Endoscopy, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Leda Roncoroni
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan 20133, Italy
| | - Francesca Gaia Rossi
- Division of Hematology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Valeria Ferla
- Division of Hematology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Luca Baldini
- Division of Hematology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Milan 20122, Italy
| | - Nicoletta Nandi
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy; Center for Prevention and Diagnosis of Celiac Disease and Division of Gastroenterology and Endoscopy, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Lucia Scaramella
- Center for Prevention and Diagnosis of Celiac Disease and Division of Gastroenterology and Endoscopy, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Alice Scricciolo
- Center for Prevention and Diagnosis of Celiac Disease and Division of Gastroenterology and Endoscopy, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Alessandro Rimondi
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy; Center for Prevention and Diagnosis of Celiac Disease and Division of Gastroenterology and Endoscopy, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Nicola Fusco
- Biobank for Translational Medicine Unit (B4MED), Division of Pathology, IEO European Institute of Oncology, University of Milan, Via Ripamonti 435, 20132 Milan, Italy
| | - Giorgio Alberto Croci
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy; Division of Pathology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Umberto Gianelli
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy; Division of Pathology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Lilla Cro
- Servizio di Citofluorimetria, Laboratorio Centrale, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Marzia Barbieri
- Servizio di Citofluorimetria, Laboratorio Centrale, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Vincenza Lombardo
- Center for Prevention and Diagnosis of Celiac Disease and Division of Gastroenterology and Endoscopy, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Andrea Costantino
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy; Center for Prevention and Diagnosis of Celiac Disease and Division of Gastroenterology and Endoscopy, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Valentina Vaira
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy; Division of Pathology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Stefano Ferrero
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan 20133, Italy; Division of Pathology, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Gian Eugenio Tontini
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy; Center for Prevention and Diagnosis of Celiac Disease and Division of Gastroenterology and Endoscopy, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| | - Giulio Barigelletti
- Cancer Registry Unit, Fondazione IRCCS Istituto Nazionale dei Tumori Milano, Milan Italy
| | - Sabrina Fabiano
- Cancer Registry Unit, Fondazione IRCCS Istituto Nazionale dei Tumori Milano, Milan Italy
| | - Luisa Doneda
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan 20133, Italy
| | - Maurizio Vecchi
- Department of Pathophysiology and Transplantation, University of Milan, Milan 20122, Italy; Center for Prevention and Diagnosis of Celiac Disease and Division of Gastroenterology and Endoscopy, Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via F. Sforza 35, Milan 20122, Italy
| |
Collapse
|
5
|
Branchi F, Wiese JJ, Heldt C, Manna S, Dony V, Loddenkemper C, Bojarski C, Siegmund B, Schneider T, Daum S, Hummel M, Moos V, Schumann M. The combination of clinical parameters and immunophenotyping of intraepithelial lymphocytes allows to assess disease severity in refractory celiac disease. Dig Liver Dis 2022; 54:1649-1656. [PMID: 35850920 DOI: 10.1016/j.dld.2022.06.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 06/03/2022] [Accepted: 06/21/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Flow cytometry of intestinal lymphocytes is discussed to be a stronger predictor of enteropathy-associated T-cell lymphoma development in refractory celiac disease than T-cell clonality analysis. AIMS To investigate possible associations between clinical characteristics of refractory celiac disease patients and aberrant intraepithelial lymphocytes and to evaluate the accuracy of immunophenotyping for the identification of high-risk refractory celiac disease. METHODS Flow cytometry of isolated lymphocytes from duodenal biopsies of controls and celiac disease patients was performed and results were compared to clinical data. RESULTS Flow cytometry analysis was performed on 42 controls, 37 non-complicated celiac disease and 30 refractory celiac disease cases with or without T-cell receptor clonality. Elevated aberrant intraepithelial lymphocyte counts were significantly associated with severe malabsorption. A 15% cut-off (aberrant lymphocytes among all lymphocytes) had the best discriminatory ability to identify high-risk patients. However, this technique failed to identify some high-risk cases (sensitivity 63%, specificity 100%). The severity of malabsorption was added to the criteria for high-risk refractory celiac disease, improving the correct patients' allocation (sensitivity 100%, specificity 96%). CONCLUSION Immunophenotyping of aberrant intraepithelial lymphocytes is a good predictor for high-risk refractory celiac disease. Furthermore, adding the evaluation of malabsorption to the diagnostic assessment of refractory celiac disease optimizes accuracy.
Collapse
Affiliation(s)
- Federica Branchi
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany; Center for the Diagnosis and Prevention of Celiac Disease - Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via Francesco Sforza 35, 20122 Milan, Italy
| | - Jakob Johann Wiese
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany
| | - Claudia Heldt
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany
| | - Subhakankha Manna
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany
| | - Violaine Dony
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany
| | - Christoph Loddenkemper
- PathoTres Gemeinschaftspraxis für Pathologie und Neuropathologie, Teltowkanalstrasse 2, 12247 Berlin, Germany
| | - Christian Bojarski
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany
| | - Britta Siegmund
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany
| | - Thomas Schneider
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany
| | - Severin Daum
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany
| | - Michael Hummel
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Institut für Pathologie, Molekularpathologie, Charitéplatz 1, 10117 Berlin, Germany
| | - Verena Moos
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany
| | - Michael Schumann
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Hindenburgdamm 30, 12203 Berlin, Germany.
| |
Collapse
|
6
|
Green PHR, Paski S, Ko CW, Rubio-Tapia A. AGA Clinical Practice Update on Management of Refractory Celiac Disease: Expert Review. Gastroenterology 2022; 163:1461-1469. [PMID: 36137844 DOI: 10.1053/j.gastro.2022.07.086] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/21/2022] [Accepted: 07/23/2022] [Indexed: 12/02/2022]
Abstract
DESCRIPTION The purpose of this expert review is to summarize the diagnosis and management of refractory celiac disease. It will review evaluation of patients with celiac disease who have persistent or recurrent symptoms, differential diagnosis, nutritional support, potential therapeutic options, and surveillance for complications of this condition. METHODS This expert review was commissioned and approved by the American Gastroenterological Association (AGA) Institute Clinical Practice Updates Committee (CPUC) and the AGA Governing Board to provide timely guidance on a topic of high clinical importance to the AGA membership and underwent internal peer review by the CPUC and external peer review through standard procedures of Gastroenterology. These Best Practice Advice (BPA) statements were drawn from a review of the published literature and from expert opinion. Since systematic reviews were not performed, these BPA statements do not carry formal ratings of the quality of evidence or strength of the presented considerations. Best Practice Advice Statements BEST PRACTICE ADVICE 1: In patients believed to have celiac disease who have persistent or recurrent symptoms or signs, the initial diagnosis of celiac disease should be confirmed by review of prior diagnostic testing, including serologies, endoscopies, and histologic findings. BEST PRACTICE ADVICE 2: In patients with confirmed celiac disease with persistent or recurrent symptoms or signs (nonresponsive celiac disease), ongoing gluten ingestion should be excluded as a cause of these symptoms with serologic testing, dietitian review, and detection of immunogenic peptides in stool or urine. Esophagogastroduodenoscopy with small bowel biopsies should be performed to look for villous atrophy. If villous atrophy persists or the initial diagnosis of celiac disease was not confirmed, consider other causes of villous atrophy, including common variable immunodeficiency, autoimmune enteropathy, tropical sprue, and medication-induced enteropathy. BEST PRACTICE ADVICE 3: For patients with nonresponsive celiac disease, after exclusion of gluten ingestion, perform a systematic evaluation for other potential causes of symptoms, including functional bowel disorders, microscopic colitis, pancreatic insufficiency, inflammatory bowel disease, lactose or fructose intolerance, and small intestinal bacterial overgrowth. BEST PRACTICE ADVICE 4: Use flow cytometry, immunohistochemistry, and T-cell receptor rearrangement studies to distinguish between subtypes of refractory celiac disease and to exclude enteropathy-associated T-cell lymphoma. Type 1 refractory celiac disease is characterized by a normal intraepithelial lymphocyte population and type 2 is defined by the presence of an aberrant, clonal intraepithelial lymphocyte population. Consultation with an expert hematopathologist is necessary to interpret these studies. BEST PRACTICE ADVICE 5: Perform small bowel imaging with capsule endoscopy and computed tomography or magnetic resonance enterography to exclude enteropathy-associated T-cell lymphoma and ulcerative jejunoileitis at initial diagnosis of type 2 refractory celiac disease. BEST PRACTICE ADVICE 6: Complete a detailed nutritional assessment with investigation of micronutrient and macronutrient deficiencies in patients diagnosed with refractory celiac disease. Check albumin as an independent prognostic factor. BEST PRACTICE ADVICE 7: Correct deficiencies in macro- and micronutrients using oral supplements and/or enteral support. Consider parenteral nutrition for patients with severe malnutrition due to malabsorption. BEST PRACTICE ADVICE 8: Corticosteroids, most commonly open-capsule budesonide or, if unavailable, prednisone, are the medication of choice and should be used as first-line therapy in either type 1 or type 2 refractory celiac disease. BEST PRACTICE ADVICE 9: Patients with refractory celiac disease require regular follow-up by a multidisciplinary team, including gastroenterologists and dietitians, to assess clinical and histologic response to therapy. Identify local experts with expertise in celiac disease to assist with management. BEST PRACTICE ADVICE 10: Patients with refractory celiac disease without response to steroids may benefit from referral to a center with expertise for management or evaluation for inclusion in clinical trials.
Collapse
Affiliation(s)
| | - Shirley Paski
- Cedars-Sinai Medical Center, Los Angeles, California
| | - Cynthia W Ko
- Department of Medicine, University of Washington, Seattle, Washington.
| | - Alberto Rubio-Tapia
- Celiac Disease Program, Division of Gastroenterology, Hepatology, and Nutrition, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, Ohio
| |
Collapse
|
7
|
Felber J, Bläker H, Fischbach W, Koletzko S, Laaß M, Lachmann N, Lorenz P, Lynen P, Reese I, Scherf K, Schuppan D, Schumann M, Aust D, Baas S, Beisel S, de Laffolie J, Duba E, Holtmeier W, Lange L, Loddenkemper C, Moog G, Rath T, Roeb E, Rubin D, Stein J, Török H, Zopf Y. Aktualisierte S2k-Leitlinie Zöliakie der Deutschen Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS). ZEITSCHRIFT FUR GASTROENTEROLOGIE 2022; 60:790-856. [PMID: 35545109 DOI: 10.1055/a-1741-5946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Jörg Felber
- Medizinische Klinik II - Gastroenterologie, Hepatologie, Endokrinologie, Hämatologie und Onkologie, RoMed Klinikum Rosenheim, Rosenheim, Deutschland
| | - Hendrik Bläker
- Institut für Pathologie, Universitätsklinikum Leipzig AöR, Leipzig, Deutschland
| | | | - Sibylle Koletzko
- Kinderklinik und Kinderpoliklinik im Dr. von Haunerschen Kinderspital, LMU-Klinikum München, München, Deutschland.,Department of Pediatrics, Gastroenterology and Nutrition, School of Medicine Collegium Medicum University of Warmia and Mazury, 10-719 Olsztyn, Polen
| | - Martin Laaß
- Klinik und Poliklinik für Kinder- und Jugendmedizin, Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden, Dresden, Deutschland
| | - Nils Lachmann
- Institut für Transfusionsmedizin, Charité - Universitätsmedizin Berlin, Berlin, Deutschland
| | - Pia Lorenz
- Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Berlin, Deutschland
| | - Petra Lynen
- Deutsche Gesellschaft für Gastroenterologie, Verdauungs- und Stoffwechselkrankheiten (DGVS), Berlin, Deutschland
| | - Imke Reese
- Ernährungsberatung und -therapie Allergologie, München, Deutschland
| | - Katharina Scherf
- Institute of Applied Biosciences Department of Bioactive and Functional Food Chemistry, Karlsruhe Institute of Technology (KIT), Karlsruhe, Deutschland
| | - Detlef Schuppan
- Institut für Translationale Immunologie, Johannes Gutenberg-Universität Mainz, Mainz, Deutschland.,Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Michael Schumann
- Medizinische Klinik I für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Deutschland
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
8
|
Pelizzaro F, Marsilio I, Fassan M, Piazza F, Barberio B, D’Odorico A, Savarino EV, Farinati F, Zingone F. The Risk of Malignancies in Celiac Disease-A Literature Review. Cancers (Basel) 2021; 13:cancers13215288. [PMID: 34771450 PMCID: PMC8582432 DOI: 10.3390/cancers13215288] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/15/2021] [Accepted: 10/19/2021] [Indexed: 12/14/2022] Open
Abstract
Celiac disease (CeD) is an immune-mediated enteropathy precipitated by ingestion of gluten in genetically predisposed individuals. Considering that CeD affects approximately 1% of the Western population, it may be considered a global health problem. In the large majority of cases, CeD has a benign course, characterized by the complete resolution of symptoms and a normal life expectancy after the beginning of a gluten-free-diet (GFD); however, an increased risk of developing malignancies, such as lymphomas and small bowel carcinoma (SBC), has been reported. In particular, enteropathy-associated T-cell lymphoma (EATL), a peculiar type of T-cell lymphoma, is characteristically associated with CeD. Moreover, the possible association between CeD and several other malignancies has been also investigated in a considerable number of studies. In this paper, we aim to provide a comprehensive review of the current knowledge about the associations between CeD and cancer, focusing in particular on EATL and SBC, two rare but aggressive malignancies.
Collapse
Affiliation(s)
- Filippo Pelizzaro
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Ilaria Marsilio
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Matteo Fassan
- Surgical Pathology and Cytopathology Unit, Department of Medicine (DIMED), University Hospital of Padova, 35128 Padova, Italy;
- Veneto Oncology Institute, IOV-IRCCS, 35128 Padova, Italy
| | - Francesco Piazza
- Department of Medicine, Hematology, University Hospital of Padova, 35128 Padova, Italy;
| | - Brigida Barberio
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Anna D’Odorico
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Edoardo V. Savarino
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Fabio Farinati
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
| | - Fabiana Zingone
- Gastroenterology Unit, Department of Surgery, Oncology and Gastroenterology, University Hospital of Padova, 35128 Padova, Italy; (F.P.); (I.M.); (B.B.); (A.D.); (E.V.S.); (F.F.)
- Correspondence:
| |
Collapse
|
9
|
Weber M, Wolf N, Branchi F, Tangermann P, Itzlinger A, Poralla L, Preiß JC, Grunert P, Daum S, Siegmund B, Stallmach A, Schumann M. Results from the German registry for refractory celiac disease. ZEITSCHRIFT FUR GASTROENTEROLOGIE 2021; 59:944-953. [PMID: 34507373 DOI: 10.1055/a-1540-7476] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Refractory celiac disease (RCD) refers to a rare subgroup of patients with celiac disease who show clinical signs of malabsorption despite a gluten-free diet. RCD is divided into an autoimmune phenotype (RCD type I) and pre-lymphoma (RCD type II). To reflect the clinical reality in managing this disease in Germany, a national register was established based on a questionnaire developed specifically for this purpose. Between 2014 and 2020, a total of 53 patients were registered. The diagnosis of RCD was confirmed in 46 cases (87%). This included 27 patients (59%) with RCD type I and 19 patients (41%) with RCD type II. A wide range of diagnostic and therapeutic measures was used. Therapeutically, budesonide was used in 59% of the RCD patients regardless of the subtype. Nutritional therapy was used in only 5 patients (11%). Overall mortality was 26% (12 patients) with a clear dominance in patients with RCD type II (9 patients, 47%). In summary, RCD needs to become a focus of national guidelines to increase awareness, establish standards, and thus enable the treating physician to make the correct diagnosis in a timely manner. Moreover, we concluded that when treating such patients, contacting a specialized center is recommended to ensure sufficient management.
Collapse
Affiliation(s)
- Marko Weber
- Klinik für Innere Medizin IV (Gastroenterologie, Hepatologie, Infektiologie, Interdisziplinäre Endoskopie), Universitätsklinikum Jena, Berlin, Germany
| | - Nina Wolf
- Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Federica Branchi
- Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Paul Tangermann
- Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Alice Itzlinger
- Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Lukas Poralla
- Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Jan C Preiß
- Klinik für Innere Medizin - Gastroenterologie, Diabetologie und Hepatologie, Klinikum Neukölln, Berlin, Germany
| | - Philip Grunert
- Klinik für Innere Medizin IV (Gastroenterologie, Hepatologie, Infektiologie, Interdisziplinäre Endoskopie), Universitätsklinikum Jena, Berlin, Germany
| | - Severin Daum
- Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Britta Siegmund
- Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| | - Andreas Stallmach
- Klinik für Innere Medizin IV (Gastroenterologie, Hepatologie, Infektiologie, Interdisziplinäre Endoskopie), Universitätsklinikum Jena, Berlin, Germany
| | - Michael Schumann
- Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany
| |
Collapse
|
10
|
van Wanrooij RLJ, Neefjes-Borst EA, Bontkes HJ, Schreurs MWJ, Langerak AW, Mulder CJJ, Bouma G. Adult-Onset Autoimmune Enteropathy in an European Tertiary Referral Center. Clin Transl Gastroenterol 2021; 12:e00387. [PMID: 34333499 PMCID: PMC8323799 DOI: 10.14309/ctg.0000000000000387] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 06/28/2021] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Adult-onset autoimmune enteropathy (AIE) is a rare cause of severe chronic diarrhea because of small intestinal villous atrophy. We report on patients with adult-onset AIE in an European referral center. METHODS Retrospective study including patients diagnosed with AIE in the Amsterdam UMC, location VUmc, between January 2003 and December 2019. Clinical, serological, and histological features and response to treatment were reported. The specificity of antienterocyte antibodies (AEA) was evaluated by examining the prevalence of AEA in (i) controls (n = 30) and in patients with (ii) AIE (n = 13), (iii) celiac disease (CD, n = 52), (iv) refractory celiac disease type 2 (n = 18), and (v) enteropathy-associated T-cell lymphoma (EATL, n = 10). RESULTS Thirteen AIE patients were included, 8 women (62%), median age of 52 years (range 23-73), and 6 (46%) with an autoimmune disease. AEA were observed in 11 cases (85%), but were also found in CD (7.7%), refractory celiac disease type 2 (16.7%), and EATL (20%). Ten patients (77%) were human leukocyte antigen DQ2.5 heterozygous. Total parenteral nutrition was required in 8 cases (62%). Steroids induced clinical remission in 8 cases (62%). Step-up therapy with rituximab, cyclosporine, infliximab, and cladribine in steroid-refractory patients was only moderately effective. Four patients died (31%), but 4 (31%) others are in long-term drug-free remission after receiving immunosuppressive treatment, including 1 patient who underwent autologous stem cell transplantation. DISCUSSION Adult-onset AIE is a rare but severe enteropathy that occurs in patients susceptible for autoimmune disease. Four patients (31%) died secondary to therapy-refractory malabsorption, while immunosuppressive therapy leads to a long-lasting drug-free remission in one-third of patients.
Collapse
Affiliation(s)
- Roy L J van Wanrooij
- Department of Gastroenterology and Hepatology, Amsterdam UMC, Vrije Universiteit Amsterdam, AGEM Institute, Amsterdam, the Netherlands
| | | | - Hetty J Bontkes
- Laboratory Medical Immunology, Department of Clinical Chemistry, Amsterdam UMC, AGEM Research Institute, AI & I Institute, Amsterdam, the Netherlands
| | - Marco W J Schreurs
- Laboratory Medical Immunology, Department of Immunology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Anton W Langerak
- Laboratory Medical Immunology, Department of Immunology, Erasmus MC, University Medical Center, Rotterdam, the Netherlands
| | - Chris J J Mulder
- Department of Gastroenterology and Hepatology, Amsterdam UMC, Vrije Universiteit Amsterdam, AGEM Institute, Amsterdam, the Netherlands
| | - Gerd Bouma
- Department of Gastroenterology and Hepatology, Amsterdam UMC, Vrije Universiteit Amsterdam, AGEM Institute, Amsterdam, the Netherlands
| |
Collapse
|
11
|
Zammit SC, Elli L, Scaramella L, Sanders DS, Tontini GE, Sidhu R. Small bowel capsule endoscopy in refractory celiac disease: a luxury or a necessity? Ann Gastroenterol 2021; 34:188-195. [PMID: 33654358 PMCID: PMC7903573 DOI: 10.20524/aog.2021.0586] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 10/27/2020] [Indexed: 12/11/2022] Open
Abstract
Background Small bowel capsule endoscopy (SBCE) has an established role in the management of refractory celiac disease (RCD) for the detection of complications. The aim of this study was to define the role of SBCE in the management of patients with RCD. Method Patients with histologically confirmed RCD who underwent successive SBCEs were recruited retrospectively from 2 tertiary centers. Results Sixty patients with RCD were included. The percentage extent of the affected small bowel (SB) mucosa improved on repeating a second SBCE in 26 patients (49.1%) (median 27.6% vs. 18.1%, P=0.007). Patients with RCD type II had more extensive disease than those with RCD type I on first (41.4% vs. 19.2%, P=0.004) and second (29.8% vs. 12.0%, P=0.016) SBCE. Patients with RCD type I tended to show a greater improvement in percentage of abnormal SB involved on repeat SBCE compared to those with RCD type II (P=0.049). Nine patients (15%) had RCD-related complications. Five patients developed ulcerative jejunoileitis, 3 patients developed enteropathy-associated T-cell lymphoma, and 1 patient developed cutaneous T-cell lymphoma. Conclusions SBCE can be a useful tool for monitoring the effects of treatment, primarily following its initiation. Patients with RCD type II have more extensive SB disease, equating to a more aggressive disease pattern.
Collapse
Affiliation(s)
- Stefania Chetcuti Zammit
- Gastroenterology Department, Sheffield Teaching Hospitals, United Kingdom (Stefania Chetcuti Zammit, David S. Sanders, Reena Sidhu)
| | - Luca Elli
- Centre for Prevention and Diagnosis of Coeliac Disease, Gastroenterology and Endoscopy Unit, Department of Pathophysiology and Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Italy (Luca Elli, Lucia Scaramella, Gian Eugenio Tontini)
| | - Lucia Scaramella
- Centre for Prevention and Diagnosis of Coeliac Disease, Gastroenterology and Endoscopy Unit, Department of Pathophysiology and Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Italy (Luca Elli, Lucia Scaramella, Gian Eugenio Tontini)
| | - David S Sanders
- Gastroenterology Department, Sheffield Teaching Hospitals, United Kingdom (Stefania Chetcuti Zammit, David S. Sanders, Reena Sidhu)
| | - Gian Eugenio Tontini
- Centre for Prevention and Diagnosis of Coeliac Disease, Gastroenterology and Endoscopy Unit, Department of Pathophysiology and Transplantation, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Italy (Luca Elli, Lucia Scaramella, Gian Eugenio Tontini)
| | - Reena Sidhu
- Gastroenterology Department, Sheffield Teaching Hospitals, United Kingdom (Stefania Chetcuti Zammit, David S. Sanders, Reena Sidhu)
| |
Collapse
|
12
|
van Wanrooij RLJ, Bontkes HJ, Neefjes-Borst EA, Mulder CJ, Bouma G. Immune-mediated enteropathies: From bench to bedside. J Autoimmun 2021; 118:102609. [PMID: 33607573 DOI: 10.1016/j.jaut.2021.102609] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 01/22/2021] [Accepted: 01/23/2021] [Indexed: 12/13/2022]
Abstract
Immune-mediated enteropathies are caused by excessive reactions of the intestinal immune system towards non-pathogenic molecules. Enteropathy leads to malabsorption-related symptoms and include (severe) chronic diarrhea, weight loss and vitamin deficiencies. Parenteral feeding and immunosuppressive therapy are needed in severe cases. Celiac disease has long been recognized as the most common immune-mediated enteropathy in adults, but the spectrum of immune-mediated enteropathies has been expanding. Histological and clinical features are sometimes shared among these enteropathies, and therefore it may be challenging to differentiate between them. Here, we provide an overview of immune-mediated enteropathies focused on clinical presentation, establishing diagnosis, immunopathogenesis, and treatment options.
Collapse
Affiliation(s)
- Roy L J van Wanrooij
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Gastroenterology and Hepatology, AGEM Research Institute, Amsterdam, the Netherlands.
| | - Hetty J Bontkes
- Amsterdam UMC, Laboratory Medical Immunology, Department of Clinical Chemistry, AI & I Institute, AGEM Research Institute, Amsterdam, the Netherlands
| | | | - Chris J Mulder
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Gastroenterology and Hepatology, AGEM Research Institute, Amsterdam, the Netherlands
| | - Gerd Bouma
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Gastroenterology and Hepatology, AGEM Research Institute, Amsterdam, the Netherlands
| |
Collapse
|
13
|
Cellular and molecular bases of refractory celiac disease. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2021; 358:207-240. [PMID: 33707055 DOI: 10.1016/bs.ircmb.2020.12.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Refractory celiac disease (RCD) encompasses biologically heterogeneous disorders that develop in a small proportion (0.3%) of individuals with celiac disease that are associated with high morbidity. Two broad categories are currently recognized, type I (RCD I) and type II (RCD II), based on immunophenotypic and molecular features of the intraepithelial lymphocytes (IELs). RCD I is characterized by a polyclonal expansion of IELs displaying a normal immunophenotype, while RCD II represents a clonal proliferation of immunophenotypically "aberrant" IELs, and is considered a low-grade lymphoproliferative disorder. The pathogenesis of RCD I has not been clarified, but limited studies suggest multifactorial etiology. On the other hand, recent immunologic, molecular and immunophenotypic analyses have proposed lineage-negative innate IELs to be the cell of origin of a proportion of RCD II cases. Furthermore, sequencing studies have identified frequent, recurrent, activating mutations in members of the JAK-STAT pathway in RCD II. This finding, in conjunction with prior in vitro experimental observations, suggests roles of deregulated cytokine signaling in disease pathogenesis. In this review, we describe current understanding of environmental, immune and genetic factors associated with the development of RCD and briefly discuss diagnostic and therapeutic considerations.
Collapse
|
14
|
Immunophenotypic Spectrum and Genomic Landscape of Refractory Celiac Disease Type II. Am J Surg Pathol 2021; 45:905-916. [PMID: 33544565 DOI: 10.1097/pas.0000000000001658] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Refractory celiac disease type II (RCD II), also referred to as "cryptic" enteropathy-associated T-cell lymphoma (EATL) or "intraepithelial T-cell lymphoma," is a rare clonal lymphoproliferative disorder that arises from innate intraepithelial lymphocytes. RCD II has a poor prognosis and frequently evolves to EATL. The pathogenesis of RCD II is not well understood and data regarding the immunophenotypic spectrum of this disease and underlying genetic alterations are limited. To gain further biological insights, we performed comprehensive immunophenotypic, targeted next-generation sequencing, and chromosome microarray analyses of 11 RCD II cases: CD4-/CD8- (n=6), CD8+ (n=4), and CD4+ (n=1), and 2 of 3 ensuing EATLs. Genetic alterations were identified in 9/11 (82%) of the RCD II cases. All 9 displayed mutations in members of the JAK-STAT signaling pathway, including frequent, recurrent STAT3 (7/9, 78%) and JAK1 (4/9, 44%) mutations, and 9/10 evaluable cases expressed phospho-STAT3. The mutated cases also harbored recurrent alterations in epigenetic regulators (TET2, n=5 and KMT2D, n=5), nuclear factor-κB (TNFAIP3, n=4), DNA damage repair (POT1, n=3), and immune evasion (CD58, n=2) pathway genes. The CD4-/CD8- and other immunophenotypic subtypes of RCD II exhibited similar molecular features. Longitudinal genetic analyses of 4 RCD II cases revealed stable mutation profiles, however, additional mutations were detected in the EATLs, which occurred at extraintestinal sites and were clonally related to antecedent RCD II. Chromosome microarray analysis demonstrated copy number changes in 3/6 RCD II cases, and 1 transformed EATL with sufficient neoplastic burden for informative analysis. Our findings provide novel information about the immunophenotypic and genomic characteristics of RCD II, elucidate early genetic events in EATL pathogenesis, and reveal potential therapeutic targets.
Collapse
|
15
|
Chibbar R, Nostedt J, Mihalicz D, Deschenes J, McLean R, Dieleman LA. Refractory Celiac Disease Type II: A Case Report and Literature Review. Front Med (Lausanne) 2020; 7:564875. [PMID: 33344468 PMCID: PMC7746862 DOI: 10.3389/fmed.2020.564875] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 11/03/2020] [Indexed: 12/11/2022] Open
Abstract
We present an unusual case of 68-year-old male, who presented with acute abdomen, ulcerative jejunitis with perforation, and 2 months later with perforation of the sigmoid colon. We will also discuss difficulties in the delay in diagnosis of refractory celiac disease (RCD), specifically the atypical presentation, multiple surgeries, the consecutive failure of distinct therapeutic options, and multiple complications that occurred within the 3 months since first presentation.
Collapse
Affiliation(s)
- Richa Chibbar
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, AB, Canada.,Division of Gastro, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - Jordan Nostedt
- Division of General Surgery, Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Dana Mihalicz
- Division of General Surgery, Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Jean Deschenes
- Department of Laboratory Medicine and Pathology, Cross Cancer Institute, University of Alberta, Edmonton, AB, Canada
| | - Ross McLean
- Department of Laboratory Medicine, Royal Alexandra Hospital, University of Alberta, Edmonton, AB, Canada
| | - Levinus A Dieleman
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, AB, Canada
| |
Collapse
|
16
|
Asri N, Rostami-Nejad M, Rezaei-Tavirani M, Razzaghi M, Asadzadeh-Aghdaei H, Zali MR. Novel Therapeutic Strategies for Celiac Disease. Middle East J Dig Dis 2020; 12:229-237. [PMID: 33564379 PMCID: PMC7859609 DOI: 10.34172/mejdd.2020.187] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 09/08/2020] [Indexed: 12/18/2022] Open
Abstract
Celiac disease (CeD) is a widespread autoimmune enteropathy caused by dietary gluten peptides in genetically susceptible individuals, which includes a range of intestinal and extraintestinal manifestations. Currently, there is no effective treatment for CeD other than strict adherence to a gluten-free diet (GFD). However, persistent or frequent symptoms and also partial villus atrophy were observed in some patients with CeD due to intentional or inadvertent gluten exposure during the use of GFD. It means that GFD alone is not enough to control CeD symptoms and long-term complications. Accordingly, new therapeutic approaches for CeD treatment such as gluten proteolysis, removing gluten from the digestive tract, promoting tight junction assembly, inhibiting intestinal tissue transglutaminase 2, using probiotics, and developing immunotherapeutic methods have been proposed through different strategies. This review focused on discussing the novel therapeutic strategies for CeD management.
Collapse
Affiliation(s)
- Nastaran Asri
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Rostami-Nejad
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mostafa Rezaei-Tavirani
- Proteomics Research Center, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammadreza Razzaghi
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamid Asadzadeh-Aghdaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Zali
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| |
Collapse
|
17
|
van Pamelen J, van Olst L, Budding AE, de Vries HE, Visser LH. Alterations of Gut Microbiota and the Brain-Immune-Intestine Axis in Patients With Relapsing-Remitting Multiple Sclerosis After Treatment With Oral Cladribine: Protocol for a Prospective Observational Study. JMIR Res Protoc 2020; 9:e16162. [PMID: 32723709 PMCID: PMC7424462 DOI: 10.2196/16162] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 05/28/2020] [Accepted: 06/03/2020] [Indexed: 12/19/2022] Open
Abstract
Background Immunological factors are the key to the pathogenesis of multiple sclerosis (MS). Conjointly, environmental factors are known to affect MS disease onset and progression. Several studies have found that the intestinal microbiota in MS patients differs from that of control subjects. One study found a trend toward lower species richness in patients with active disease versus in patients in remission. The microbiota plays an important role in shaping the immune system. Recent studies suggest the presence of an association between the gut microbiota and inflammatory pathways in the central nervous system. However, the function of this brain-immune-intestine axis and its possible value for predicting treatment effect in MS patients is currently unknown. Objective Our goal is to examine if the changes in gut and oral microbiota and simultaneous changes in the immune response are a predictor for the treatment response in subjects with active relapsing-remitting MS (RRMS) who are being treated with oral cladribine. Methods This is a prospective, observational, multicenter study. Eligible subjects are patients with RRMS, between the ages of 18 and 55 years, who will start treatment with oral cladribine. Patients who used probiotics 1 month prior to the start of oral cladribine will be excluded. At baseline (ie, before start) and after 3, 12, and 24 months, the Expanded Disability Status Scale (EDSS) score will be assessed and fecal, oral, and blood samples will be collected. Also, subjects will be asked to register their food intake for 7 consecutive days following the visits. After 24 months, a magnetic resonance imaging (MRI) assessment of the brain will be performed. Responders are defined as subjects without relapses, without progression on the EDSS, and without radiological progression on MRI. Results Inclusion started in January 2019. A total of 30 patients are included at the moment. The aim is to include 80 patients from 10 participating centers during a period of approximately 24 months. Final results are expected in 2024. Conclusions The results of the BIA Study will contribute to precision medicine in patients with RRMS and will contribute to a better understanding of the brain-immune-intestine axis. International Registered Report Identifier (IRRID) DERR1-10.2196/16162
Collapse
Affiliation(s)
- Jeske van Pamelen
- Department of Neurology, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, Netherlands
| | - Lynn van Olst
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam University Medical Centers, Amsterdam, Netherlands
| | | | | | - Helga E de Vries
- Department of Molecular Cell Biology and Immunology, MS Center Amsterdam, Amsterdam University Medical Centers, Amsterdam, Netherlands.,Department of Medical Biochemistry, Amsterdam Cardiovascular Sciences, University of Amsterdam, Amsterdam, Netherlands
| | - Leo H Visser
- Department of Neurology, Elisabeth-TweeSteden Ziekenhuis Hospital, Tilburg, Netherlands
| |
Collapse
|
18
|
Abstract
PURPOSE OF REVIEW The aim of this review is to provide insight into the diagnosis and management of patients with refractory coeliac disease (RCD) and highlight recent advances in this field. RECENT FINDINGS The diagnosis of RCD can be more accurately confirmed with flow cytometry in addition to immunohistochemistry. Dietary input and excretion of gluten immunogenic peptides can help rule out gluten contamination, and therefore, substantiate a diagnosis of RCD type I. Small bowel capsule endoscopy (SBCE) is important at diagnosis and follow-up in addition to duodenal histology. Apart from ruling out complications, it can give information on extent of disease in the small bowel, and therefore, help assess response to therapy. Those patients with a poor response can have earlier intensification of therapy, which may result in an improved outcome. RCD also occurs in patients with serology negative coeliac disease but with an increased mortality compared with patients with serology-positive coeliac disease. SUMMARY Patients with RCD can present with persistent symptoms of malnutrition but can also be completely asymptomatic. Serology is not a reliable marker to detect refractory disease. Immunostaining and flow cytometry are necessary for a diagnosis of RCD. Small bowel endoscopy enables disease extent to be assessed and allows for small bowel biopsies to be taken in case of suspicious lesions. Small bowel radiology can be complementary to small bowel endoscopy.
Collapse
|
19
|
Abstract
PURPOSE OF REVIEW To review the epidemiology, pathophysiology, diagnosis, management, and prognosis of refractory celiac disease, with a specific emphasis on recent literature. RECENT FINDINGS While the pathophysiology of type I refractory celiac disease remains unclear, there have been advances in the understanding of the pathophysiology of type II refractory celiac disease. This has included recognition of the significant role of interleukin-15 and somatic mutations in JAK1 or STAT3 in the proliferation of aberrant T cells. This in turn has led to potential novel therapies targeting these factors, one of which has reached the clinical trial stage. The morbidity and mortality associated with type II refractory celiac disease remain significant; however, recent advances in the understanding of the pathophysiology of this condition have led to potential therapeutic options that should be investigated.
Collapse
|
20
|
Penny HA, Baggus EMR, Rej A, Snowden JA, Sanders DS. Non-Responsive Coeliac Disease: A Comprehensive Review from the NHS England National Centre for Refractory Coeliac Disease. Nutrients 2020; 12:E216. [PMID: 31947666 PMCID: PMC7019917 DOI: 10.3390/nu12010216] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/06/2020] [Accepted: 01/09/2020] [Indexed: 02/06/2023] Open
Abstract
Coeliac disease is a common small intestinal enteropathy which manifests following ingestion of gluten in genetically susceptible individuals. Since gluten was identified as the driving factor in coeliac disease, the gluten-free diet (GFD) has remained the mainstay of treatment. While most individuals will display improvement in symptoms and signs of coeliac disease following institution of the GFD, up to 30% will continue to experience symptoms and/or have persisting intestinal inflammation. These individuals can be classified as having non-responsive coeliac disease (NRCD), which may be associated with dietary indiscretion, slow healing, refractory coeliac disease, and/or an alternative condition. The purpose of this review is to provide an overview of the causes of NRCD in adults, highlight a systematic approach to investigate these patients, and appraise the latest management aspects of this subset of coeliac disease.
Collapse
Affiliation(s)
- Hugo A. Penny
- Academic Unit of Gastroenterology, University of Sheffield, Sheffield S10 2TN, UK; (H.A.P.); (E.M.R.B.); (A.R.)
- Lydia Becker Institute of Inflammation and Immunology, University of Manchester, Manchester M13 9PL, UK
| | - Elisabeth M. R. Baggus
- Academic Unit of Gastroenterology, University of Sheffield, Sheffield S10 2TN, UK; (H.A.P.); (E.M.R.B.); (A.R.)
| | - Anupam Rej
- Academic Unit of Gastroenterology, University of Sheffield, Sheffield S10 2TN, UK; (H.A.P.); (E.M.R.B.); (A.R.)
| | - John A. Snowden
- Department of Haematology, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield S10 2JF, UK;
| | - David S. Sanders
- Academic Unit of Gastroenterology, University of Sheffield, Sheffield S10 2TN, UK; (H.A.P.); (E.M.R.B.); (A.R.)
| |
Collapse
|
21
|
Baggus EMR, Hadjivassiliou M, Cross S, Penny H, Urwin H, Watson S, Woodward JM, Sanders DS. How to manage adult coeliac disease: perspective from the NHS England Rare Diseases Collaborative Network for Non-Responsive and Refractory Coeliac Disease. Frontline Gastroenterol 2019; 11:235-242. [PMID: 32419915 PMCID: PMC7223293 DOI: 10.1136/flgastro-2019-101191] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/03/2019] [Accepted: 07/21/2019] [Indexed: 02/06/2023] Open
Abstract
Adult coeliac disease (CD) affects approximately 1% of the population. Most patients diagnosed will respond to a gluten-free diet; however, up to 30% may have persisting symptoms. Such patients may have ongoing issues associated with adherence, non-responsive CD or refractory CD. This article provides a clinical overview of how to manage this group of patients with persisting symptoms, including an investigational algorithm and details of how to contact the National Health Service England Rare Diseases Collaborative Network for Non-Responsive and Refractory Coeliac Disease. We hope this will be a valuable source of contemporary information for all UK gastroenterologists and internationally.
Collapse
Affiliation(s)
| | | | - Simon Cross
- Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield, UK
| | - Hugo Penny
- Academic Unit of Gastroenterology, Royal Hallamshire Hospital, Sheffield, UK
| | - Heidi Urwin
- Coeliac UK, High Wycombe, Buckinghamshire, UK
| | - Sarah Watson
- Highly Specialised Services, NHS England, England, UK
| | - Jeremy Mark Woodward
- Department of Gastroenterology, Cambridge Intestinal Failure and Transplant, Cambridge, UK
| | - David S Sanders
- Gastroenterology and Liver Unit, Royal Hallamshire Hospital, Sheffield, UK
| |
Collapse
|
22
|
Abstract
GOALS To validate cut-off values of CD3 T-cell receptor gamma-delta chain (TCRγδ) intraepithelial lymphocyte (IEL) in the (differential) diagnosis of celiac disease (CD). BACKGROUND CD is characterized by an increase in gamma-delta IEL (CD3TCRγδ IEL). STUDY Percentages were determined by flow cytometric analysis of IELs from small bowel biopsies in 213 CD and 13 potential CD (PCD) patients and in total 112 controls. A cut-off value for percentages of CD3TCRγδ IEL to differentiate active CD and controls was obtained from a receiver operating characteristic curve and implemented in controls and PCD patients. RESULTS Percentage of CD3TCRγδ IEL was significantly increased in the majority of CD patients, irrespective of the presence of villous atrophy. A cut-off value of 14% for CD3TCRγδ IEL resulted in 66.3% sensitivity and 96.6% specificity for CD diagnosis (area under the curve, 88.6%). CONCLUSIONS A percentage of ≥14% CD3TCRγδ IEL has a high specificity for CD diagnosis and can be of diagnostic help in cases where diagnosis is not straightforward.
Collapse
|
23
|
Abstract
The incidence of celiac disease has risen quickly and has a worldwide distribution in Europe, North and South America, Asia, the Middle East and Africa. This is attributed in part to increased availability in screening but also to the fast-rising gluten consumption and perhaps unknown environmental factors. In daily practice, this means that more subclinical cases and very young and elderly patients are diagnosed. The pathogenesis of celiac disease is a T-cell driven process initiated by gluten, leading to increased intestinal permeability and villous atrophy. The process requires HLA genotypes DQ2, DQ8 or both. Additional non-HLA alleles have been identified in genome-wide association studies. Serological testing, followed by duodenal biopsies, are still required to confirm the diagnosis. Advances are in the making for novel biomarkers to monitor disease and for pharmacological support of celiac disease. Medical costs and patient-perceived disease burden remain high in celiac disease, which point to the need for ongoing research in drug development to improve quality of daily life. Drugs undergoing phase I and phase II clinical trials include intraluminal therapies and vaccines to restore immune tolerance. These therapies aim to reduce symptoms and mucosal injuries as adjunct therapies to a gluten-free diet.
Collapse
Affiliation(s)
- Julie Zhu
- Division of Gastroenterology, University of Alberta, Edmonton, Alberta, Canada
| | - Chris J J Mulder
- Celiac Center Amsterdam, Department Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, the Netherlands
| | - Levinus A Dieleman
- Division of Gastroenterology, University of Alberta, Edmonton, Alberta, Canada
- Correspondence: Dr. Levinus Dieleman, MD, PhD, Division of Gastroenterology, University of Alberta Zeidler Bldg 2-24, 130 University Campus, Edmonton, Canada T6G 2X8, e-mail
| |
Collapse
|
24
|
Burkhardt JG, Chapa-Rodriguez A, Bahna SL. Gluten sensitivities and the allergist: Threshing the grain from the husks. Allergy 2018; 73:1359-1368. [PMID: 29131356 DOI: 10.1111/all.13354] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/08/2017] [Indexed: 12/12/2022]
Abstract
"Gluten sensitivity" has become commonplace among the public. Wheat allergy (WA) and celiac disease (CD) are well-defined entities, but are becoming a fraction of individuals following a gluten-free diet (GFD). Wheat allergy has a prevalence of <0.5%. Wheat, specifically its omega-5 gliadin fraction, is the most common allergen implicated in food-dependent, exercise-induced anaphylaxis. CD is a non-IgE hypersensitivity to certain cereal proteins: gluten in wheat, secalin in rye, hordein in barley, and to a lesser extent avenin in oat. It is a rare disease, with an estimated prevalence that varied widely geographically, being higher in Northern Europe and the African Saharawi region than in South-East Asia. In addition to suggestive symptoms, serologic testing has high diagnostic reliability and biopsy is a confirmatory procedure. Patients with CD have extra-intestinal autoimmune comorbid conditions more frequently than expected. A third entity is nonceliac gluten sensitivity, which has been created because of the increasing number of subjects who claim a better quality of life or improvement of their variety of symptoms on switching to a GFD. The phenomenon is being fueled by the media and exploited by the industry. The lack of a specific objective test has been raising substantial controversy about this entity. Allergists and gastroenterologists need to pay attention to the multitudes of individuals who elect to follow a GFD. Many such subjects might have WA, CD, or another illness. Providing them with appropriate evaluation and specific management would be of great advantages, medically and economically.
Collapse
Affiliation(s)
- J. G. Burkhardt
- Allergy & Immunology Section; Louisiana State University Health Sciences Center; Shreveport LA USA
| | - A. Chapa-Rodriguez
- Pediatric Gastroenterology & Nutrition Section; Louisiana State University Health Sciences Center; Shreveport LA USA
| | - S. L. Bahna
- Allergy & Immunology Section; Louisiana State University Health Sciences Center; Shreveport LA USA
| |
Collapse
|
25
|
Vaquero L, Rodríguez-Martín L, León F, Jorquera F, Vivas S. New coeliac disease treatments and their complications. GASTROENTEROLOGIA Y HEPATOLOGIA 2018; 41:191-204. [PMID: 29422237 DOI: 10.1016/j.gastrohep.2017.12.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 10/28/2017] [Accepted: 12/14/2017] [Indexed: 02/06/2023]
Abstract
The only accepted treatment for coeliac disease is strict adherence to a gluten-free diet. This type of diet may give rise to reduced patient quality of life with economic and social repercussions. For this reason, dietary transgressions are common and may elicit intestinal damage. Several treatments aimed at different pathogenic targets of coeliac disease have been developed in recent years: modification of gluten to produce non-immunogenic gluten, endoluminal therapies to degrade gluten in the intestinal lumen, increased gluten tolerance, modulation of intestinal permeability and regulation of the adaptive immune response. This review evaluates these coeliac disease treatment lines that are being researched and the treatments that aim to control disease complications like refractory coeliac disease.
Collapse
Affiliation(s)
- Luis Vaquero
- Servicio de Aparato Digestivo, Complejo Asistencial Universitario de León, León, España
| | | | | | - Francisco Jorquera
- Servicio de Aparato Digestivo, Complejo Asistencial Universitario de León, León, España; Instituto de Biomedicina (IBIOMED), Universidad de León, León, España
| | - Santiago Vivas
- Servicio de Aparato Digestivo, Complejo Asistencial Universitario de León, León, España; Instituto de Biomedicina (IBIOMED), Universidad de León, León, España.
| |
Collapse
|
26
|
CD4 T-cell cytokines synergize to induce proliferation of malignant and nonmalignant innate intraepithelial lymphocytes. Proc Natl Acad Sci U S A 2017; 114:E980-E989. [PMID: 28049849 DOI: 10.1073/pnas.1620036114] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Refractory celiac disease type II (RCDII) is a severe complication of celiac disease (CD) characterized by the presence of an enlarged clonal population of innate intraepithelial lymphocytes (IELs) lacking classical B-, T-, and natural killer (NK)-cell lineage markers (Lin-IELs) in the duodenum. In ∼50% of patients with RCDII, these Lin-IELs develop into a lymphoma for which no effective treatment is available. Current evidence indicates that the survival and expansion of these malignant Lin-IELs is driven by epithelial cell-derived IL-15. Like CD, RCDII is strongly associated with HLA-DQ2, suggesting the involvement of HLA-DQ2-restricted gluten-specific CD4+ T cells. We now show that gluten-specific CD4+ T cells isolated from CD duodenal biopsy specimens produce cytokines able to trigger proliferation of malignant Lin-IEL lines as powerfully as IL-15. Furthermore, we identify TNF, IL-2, and IL-21 as CD4+ T-cell cytokines that synergistically mediate this effect. Like IL-15, these cytokines were found to increase the phosphorylation of STAT5 and Akt and transcription of antiapoptotic mediator bcl-xL Several small-molecule inhibitors targeting the JAK/STAT pathway blocked proliferation elicited by IL-2 and IL-15, but only an inhibitor targeting the PI3K/Akt/mTOR pathway blocked proliferation induced by IL-15 as well as the CD4+ T-cell cytokines. Confirming and extending these findings, TNF, IL-2, and IL-21 also synergistically triggered the proliferation of freshly isolated Lin-IELs and CD3-CD56+ IELs (NK-IELs) from RCDII as well as non-RCDII duodenal biopsy specimens. These data provide evidence implicating CD4+ T-cell cytokines in the pathogenesis of RCDII. More broadly, they suggest that adaptive immune responses can contribute to innate IEL activation during mucosal inflammation.
Collapse
|
27
|
Abstract
Refractory coeliac disease (RCD) is a recognised complication, albeit very rare, of coeliac disease (CD). This condition is described when individuals with CD continue to experience enteropathy and subsequent or ongoing malabsorption despite strict adherence to a diet devoid of gluten for at least 12 months and when all other causes mimicking this condition are excluded. Depending on the T-cell morphology and T-cell receptor (TCR) clonality at the β/γ loci, RCD can be subdivided into type 1 (normal intra-epithelial lymphocyte morphology, polyclonal TCR population) and type 2 (aberrant IELs with clonal TCR). It is important to differentiate between the two types as type 1 has an 80% survival rate and is managed with strict nutritional and pharmacological management. RCD type 2 on the other hand has a 5-year mortality of 50% and can be complicated by ulcerative jejunitis or enteropathy-associated T-cell lymphoma (EATL). Management of RCD type 2 has challenged many experts, and different treatment approaches have been adopted with variable results. Some of these treatments include immunomodulation with azathioprine and steroids, methotrexate, cyclosporine, alemtuzumab (an anti CD-52 monoclonal antibody), and cladribine or fludarabine sometimes with autologous stem cell transplantation. In this article, we summarise the management approach to patients with RCD type 2.
Collapse
Affiliation(s)
- Ikram Nasr
- Gastroenterology Department, St Thomas' Hospital, London, UK
| | - Iman Nasr
- Department of Allergy and Immunology, Royal Hospital, Muscat, Oman
| | | | | |
Collapse
|
28
|
van Gils T, Nijeboer P, van Waesberghe JHT, Coupé VM, Janssen K, Zegers JA, Nurmohamed SA, Kraal G, Jiskoot SC, Bouma G, Mulder CJ. Splenic volume differentiates complicated and non-complicated celiac disease. United European Gastroenterol J 2016; 5:374-379. [PMID: 28507749 DOI: 10.1177/2050640616663571] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 07/19/2016] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Studies in small groups of patients indicated that splenic volume (SV) may be decreased in patients with celiac disease (CD), refractory CD (RCD) type II and enteropathy-associated T-cell lymphoma (EATL). OBJECTIVE The objective of this article is to evaluate SV in a large cohort of uncomplicated CD, RCD II and EATL patients and healthy controls. METHODS The retrospective cohort consisted of 77 uncomplicated CD (of whom 39 in remission), 29 RCD II, 24 EATL and 12 patients with both RCD II and EATL. The control group included 149 healthy living kidney donors. SV was determined on computed tomography. RESULTS The median SV in the uncomplicated CD group was significantly larger than in controls (202 cm3 (interquartile range (IQR): 154-275) versus 183 cm3 (IQR: 140-232), p = 0.02). After correction for body surface area, age and gender, the ratio of SV in uncomplicated CD versus controls was 1.28 (95% confidence interval: 1.20-1.36; p < 0.001). The median SV in RCD II patients (118 cm3 (IQR 83-181)) was smaller than the median SV in the control group (p < 0.001). CONCLUSION This study demonstrates large inter-individual variation in SV. SV is enlarged in uncomplicated CD. The small SV in RCD II may be of clinical relevance considering the immune-compromised status of these patients.
Collapse
Affiliation(s)
- Tom van Gils
- Celiac Center Amsterdam, Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, The Netherlands
| | - Petula Nijeboer
- Celiac Center Amsterdam, Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, The Netherlands
| | | | - Veerle Mh Coupé
- Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
| | - Kiki Janssen
- Celiac Center Amsterdam, Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, The Netherlands
| | - Jessy A Zegers
- Celiac Center Amsterdam, Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, The Netherlands
| | - Shaikh A Nurmohamed
- Department of Nephrology, VU University Medical Center, Amsterdam, The Netherlands
| | - Georg Kraal
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands
| | - Sabine Ci Jiskoot
- Department of Radiology, VU University Medical Center, Amsterdam, The Netherlands
- Department of Radiology, St Jansdal, Harderwijk, The Netherlands
| | - Gerd Bouma
- Celiac Center Amsterdam, Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, The Netherlands
| | - Chris Jj Mulder
- Celiac Center Amsterdam, Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, The Netherlands
| |
Collapse
|
29
|
Woodward J. Improving outcomes of refractory celiac disease - current and emerging treatment strategies. Clin Exp Gastroenterol 2016; 9:225-36. [PMID: 27536154 PMCID: PMC4976763 DOI: 10.2147/ceg.s87200] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Intestinal inflammation and symptoms of celiac disease (CD) usually respond well to gluten withdrawal, but rare cases are refractory to diet. Two types of refractory CD are discriminated on the basis of the presence or absence of an atypical population of mucosal lymphocytes that may progress to enteropathy-associated T-cell lymphoma. Challenges remain in the secure diagnosis of both types of refractory disease, and evidence on which to base treatment recommendations is flawed by the small numbers of reported patients and the use of different diagnostic strategies. Recent advances in our understanding of the mechanisms of the condition in conjunction with the development of immunomodulatory agents for managing other inflammatory diseases are helping to shape future approaches to targeted therapy. Progression will depend on collaboration and recruitment to trials. In the meantime, there is evidence to suggest that earlier diagnosis and better follow-up and management of CD may prevent the development of refractoriness.
Collapse
Affiliation(s)
- Jeremy Woodward
- Department of Gastroenterology and Clinical Nutrition, Addenbrooke’s Hospital, Cambridge, UK
| |
Collapse
|
30
|
Kurada S, Yadav A, Leffler DA. Current and novel therapeutic strategies in celiac disease. Expert Rev Clin Pharmacol 2016; 9:1211-23. [PMID: 27322016 DOI: 10.1080/17512433.2016.1200463] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION A gluten free diet (GFD) is the only available treatment for celiac disease (CD). However many patients fail to respond fully clinically or histologically. Several surveys highlight the psychosocial implications of adherence to a GFD. Hence, efforts are ongoing to develop therapeutic strategies beyond a GFD. AREAS COVERED We conducted a search of PubMed and clinicaltrials.gov to extract articles on CD using keywords including 'celiac disease' and 'refractory celiac disease' (RCD) and focused on articles conducting pathophysiologic and therapeutic research in/ex-vivo models and human trials. We highlight novel therapeutics that manipulate these mechanisms including tight junction regulators, glutenases, gluten sequestrants and immunotherapy using vaccines, nanoparticles that may serve as adjuncts to a GFD or more ambitiously to allow for gluten consumption. We also highlight the role of anti-inflammatories, immunosuppressants and monoclonal antibodies in RCD. Expert commentary: Therapeutics including tight junction regulators, glutenases have the potential to be approved for non-responsive CD or as gluten adjuncts. We expect results of various phase 1/2 trials using AMG 714, BL 7010, IgY antibodies to be published. In the interim, off-label use of 5 amino-salicylates, budesonide, nucleoside analogues and newer biologics developed for other inflammatory diseases will be used in RCD.
Collapse
Affiliation(s)
- Satya Kurada
- a Division of Gastroenterology, Department of Medicine, Beth Israel Deaconess Medical Center , Harvard Medical School , Boston , MA , USA.,b Department of Medicine, Boston Medical Center , Boston University School of Medicine , Boston , MA , USA.,c Celiac Research Program, Harvard Medical School , Boston , MA , USA
| | - Abhijeet Yadav
- a Division of Gastroenterology, Department of Medicine, Beth Israel Deaconess Medical Center , Harvard Medical School , Boston , MA , USA.,c Celiac Research Program, Harvard Medical School , Boston , MA , USA
| | - Daniel A Leffler
- a Division of Gastroenterology, Department of Medicine, Beth Israel Deaconess Medical Center , Harvard Medical School , Boston , MA , USA.,c Celiac Research Program, Harvard Medical School , Boston , MA , USA
| |
Collapse
|
31
|
Nijeboer P, van Wanrooij R, van Gils T, Wierdsma NJ, Tack GJ, Witte BI, Bontkes HJ, Visser O, Mulder C, Bouma G. Lymphoma development and survival in refractory coeliac disease type II: Histological response as prognostic factor. United European Gastroenterol J 2016; 5:208-217. [PMID: 28344788 DOI: 10.1177/2050640616646529] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 03/26/2016] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Refractory coeliac disease type II (RCDII) frequently transforms into an enteropathy-associated T-cell lymphoma (EATL) and therefore requires intensive treatment. Current evaluated treatment strategies for RCDII include cladribine (2-CdA) and autologous stem cell transplantation (auSCT). OBJECTIVE The purpose of this study was to evaluate long-term survival and define clear prognostic criteria for EATL development comparing two treatment strategies. METHODS A total of 45 patients were retrospectively analysed. All patients received 2-CdA, after which they were either closely monitored (monotherapy, n = 30) or a step-up approach was used including auSCT (step-up therapy, n = 15). RESULTS Ten patients (22%) ultimately developed EATL; nine of these had received monotherapy. Absence of histological remission after monotherapy was associated with EATL development (p = 0.010). Overall, 20 patients (44%) died with a median survival of 84 months. Overall survival (OS) within the monotherapy group was significantly worse in those without histological remission compared to those with complete histological remission(p = 0.030). The monotherapy group who achieved complete histological remission showed comparable EATL occurrence and OS as compared to the step-up therapy group (p = 0.80 and p = 0.14 respectively). CONCLUSION Histological response is an accurate parameter to evaluate the effect of 2-CdA therapy and this parameter should be leading in the decisions whether or not to perform a step-up treatment approach in RCDII.
Collapse
Affiliation(s)
- P Nijeboer
- Department of Gastroenterology, VU University Medical Centre, Amsterdam, The Netherlands
| | - Rlj van Wanrooij
- Department of Gastroenterology, VU University Medical Centre, Amsterdam, The Netherlands
| | - T van Gils
- Department of Gastroenterology, VU University Medical Centre, Amsterdam, The Netherlands
| | - N J Wierdsma
- Department of Nutrition and Dietetics, VU University Medical Centre, Amsterdam, The Netherlands
| | - G J Tack
- Department of Gastroenterology, VU University Medical Centre, Amsterdam, The Netherlands
| | - B I Witte
- Department of Epidemiology and Biostatistics, VU University Medical Centre, Amsterdam, The Netherlands
| | - H J Bontkes
- Department of Pathology, VU University Medical Centre, Amsterdam, The Netherlands
| | - O Visser
- Department of Haematology, VU University Medical Centre, Amsterdam, The Netherlands
| | - Cjj Mulder
- Department of Gastroenterology, VU University Medical Centre, Amsterdam, The Netherlands
| | - G Bouma
- Department of Gastroenterology, VU University Medical Centre, Amsterdam, The Netherlands
| |
Collapse
|
32
|
Recognising and Managing Refractory Coeliac Disease: A Tertiary Centre Experience. Nutrients 2015; 7:9896-907. [PMID: 26633478 PMCID: PMC4690058 DOI: 10.3390/nu7125506] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 11/10/2015] [Accepted: 11/16/2015] [Indexed: 12/19/2022] Open
Abstract
Refractory coeliac disease (RCD) is a rare complication of coeliac disease (CD) and involves malabsorption and villous atrophy despite adherence to a strict gluten-free diet (GFD) for at least 12 months in the absence of another cause. RCD is classified based on the T-cells in the intra-epithelial lymphocyte (IEL) morphology into type 1 with normal IEL and type 2 with aberrant IEL (clonal) by PCR (polymerase chain reaction) for T cell receptors (TCR) at the β/γ loci. RCD type 1 is managed with strict nutritional and pharmacological management. RCD type 2 can be complicated by ulcerative jejunitis or enteropathy associated lymphoma (EATL), the latter having a five-year mortality of 50%. Management options for RCD type 2 and response to treatment differs across centres and there have been debates over the best treatment option. Treatment options that have been used include azathioprine and steroids, methotrexate, cyclosporine, campath (an anti CD-52 monoclonal antibody), and cladribine or fluadribine with or without autologous stem cell transplantation. We present a tertiary centre's experience in the treatment of RCD type 2 where treatment with prednisolone and azathioprine was used, and our results show good response with histological recovery in 56.6% of treated individuals.
Collapse
|
33
|
van de Water JMW, Nijeboer P, de Baaij LR, Zegers J, Bouma G, Visser OJ, van der Peet DL, Mulder CJJ, Meijerink WJHJ. Surgery in (pre)malignant celiac disease. World J Gastroenterol 2015; 21:12403-12409. [PMID: 26604647 PMCID: PMC4649123 DOI: 10.3748/wjg.v21.i43.12403] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Revised: 03/29/2015] [Accepted: 06/10/2015] [Indexed: 02/06/2023] Open
Abstract
AIM: To report the outcome of surgery in patients with (pre)malignant conditions of celiac disease (CD) and the impact on survival.
METHODS: A total of 40 patients with (pre)malignant conditions of CD, ulcerative jejunitis (n = 5) and enteropathy associated T-cell lymphoma (EATL) (n = 35), who underwent surgery between 2002 and 2013 were retrospectively evaluated. Data on indications, operative procedure, post-operative morbidity and mortality, adjuvant therapy and overall survival (OS) were collected. Eleven patients with EATL who underwent chemotherapy without resection were included as a control group for survival analysis. Patients were followed-up every three months during the first year and at 6-mo intervals thereafter.
RESULTS: Mean age at resection was 62 years. The majority of patients (63%) underwent elective laparotomy. Functional stenosis (n = 13) and perforation (n = 12) were the major indications for surgery. In 70% of patients radical resection was performed. Early postoperative complications, mainly due to leakage or sepsis, occurred in 14/40 (35%) of patients. Eight patients required reoperation. More patients who underwent resection in the acute setting (n = 3, 20%) died compared to patients treated in the elective setting. With a median follow-up of 20 mo, seven patients (18%) required reoperation due to long-term complications. Significantly more patients who underwent acute surgery could not be treated with adjuvant chemotherapy. Patients who first underwent surgical resection showed significantly better OS than patients who received chemotherapy without resection.
CONCLUSION: Although the complication rate is high, the preferred first step of treatment in (pre)malignant CD consists of local resection as early as possible to improve survival.
Collapse
|
34
|
Abstract
A small subset of patients with coeliac disease become refractory to a gluten-free diet with persistent malabsorption and intestinal villous atrophy. The most common cause of this condition is inadvertent gluten exposure, but concomitant diseases leading to villous atrophy should also be considered and excluded. After exclusion of these conditions, patients are referred to as having refractory coeliac disease, of which two categories are recognized based on the absence (type I) or presence (type II) of a clonal expansion of premalignant intraepithelial lymphocyte population with a high potential for transformation into an overt enteropathy-associated T-cell lymphoma. Type I disease usually has a benign course that can be controlled by mild immunosuppressive treatment, but type II can be more severe with cladribine with or without autologous stem cell transplantation effective as treatment. Patients who fail to respond to cladribine therapy, however, still have a high risk of malignant transformation. Insights into the immunophenotype of these cells and the recognition that type II disease is a low-grade, no-mass lymphoma opens avenues for new treatment strategies, including chemotherapeutic and immunomodulating strategies. This Review will provide an overview of refractory coeliac disease, discussing mechanisms, diagnosis and management.
Collapse
|
35
|
Fernandes A, Ferreira AM, Ferreira R, Mendes S, Agostinho C, Almeida N, Figueiredo P, Ferreira M, Amaro P, Castro LPE, Sofia C. Refractory Celiac Disease Type II: A Case Report that Demonstrates the Diagnostic and Therapeutic Challenges. GE-PORTUGUESE JOURNAL OF GASTROENTEROLOGY 2015; 23:106-112. [PMID: 28868442 PMCID: PMC5580141 DOI: 10.1016/j.jpge.2015.08.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Accepted: 08/18/2015] [Indexed: 12/27/2022]
Abstract
Refractory celiac disease is an uncommon but serious complication of celiac disease. We describe a case of a severe refractory celiac disease type II, complicated with ulcerative jejunoileitis, in a 68 years old female, unresponsive to consecutive treatments with budesonide, prednisolone, cladribine and autologous stem cell transplantation. The patient maintained severe malnutrition, advanced osteoporosis, anaemia, vitamin deficiencies and hydro-electrolytic imbalances, necessitating consecutive hospitalizations for total parenteral nutrition. The patient also developed life-threatening complications, namely respiratory and urinary septic shock and also episodes of haemorrhagic shock secondary to ulcerative jejunoileitis. The progression to enteropathy associated T-cell lymphoma was never demonstrated, but the patient died 7 years after the diagnosis due to a septic shock secondary to a nosocomial pneumonia and osteomyelitis related to a spontaneous hip fracture. This case highlights the difficulties in the diagnostic process, therapeutic management and surveillance of this rare condition associated with very poor prognosis.
Collapse
Affiliation(s)
- Alexandra Fernandes
- Gastroenterology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Ana Margarida Ferreira
- Gastroenterology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Rosa Ferreira
- Gastroenterology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Sofia Mendes
- Gastroenterology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Cláudia Agostinho
- Gastroenterology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Nuno Almeida
- Gastroenterology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Pedro Figueiredo
- Gastroenterology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Manuela Ferreira
- Gastroenterology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Pedro Amaro
- Gastroenterology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Lígia Prado E Castro
- Pathology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| | - Carlos Sofia
- Gastroenterology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
| |
Collapse
|
36
|
Maheshwari PK, Feeley I, Oleary H, Goulding C. A 37-year-old woman with refractory coeliac disease type II disease treated by stem cell transplantation. BMJ Case Rep 2015; 2015:bcr-2015-209363. [PMID: 26109624 DOI: 10.1136/bcr-2015-209363] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
This case study describes the disease course and treatment of a rare disorder, refractory coeliac disease. This disorder is associated with a marked increase in the risk of development of enteropathy-associated T-cell lymphoma. The patient in question developed coeliac symptoms despite strict adherence to a gluten-free diet, having been symptom-free for over 7 years. She presented with marked oedema of the legs and a distended abdomen. Investigations--laboratory, radiological and enteroscopy findings--were consistent with the development of refractory coeliac disease. This case illustrates the background and course of this disease, and the treatment options.
Collapse
|
37
|
Nijeboer P, Malamut G, Bouma G, Cerf-Bensussan N, Koning F, van Bergen J, Cellier C, Mulder CJJ. Therapy in RCDII: Rationale for Combination Strategies? Dig Dis 2015; 33:227-230. [PMID: 25925927 DOI: 10.1159/000381076] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Refractory coeliac disease type II (RCDII) is characterized by a continuous gluten-independent duodenal immune activation with an extremely high risk of malignant transformation. It is therefore considered as an indolent lymphoma. RCDII is characterized by the presence of villous atrophy (Marsh III A-C) in combination with an aberrant intra- epithelial lymphocyte (IEL) population consisting of >20% sCD3-CD7+iCD3+ IELs. The sCD3-CD7+iCD3+ IELs are a heterogeneous lineage-negative cell population, consisting of cells that do or do not express CD127/IL7Rα. Experiments using IEL from non-RCDII patients have indicated that while the CD127- cells are IL-15 responsive, the CD127+ cells are not. Together with the observation that some patients express an aberrant (monoclonal) TCRγδ phenotype, this confirms the heterogeneity of the aberrant IEL population in RCDII and suggests that the aberrant cells are heterogeneous with respect to their response to common γ-chain cytokines. Although cladribine with or without autologous stem cell transplantation is effective in the treatment of signs and symptoms of RCDII and improves survival as compared to symptomatic topical steroid therapy, cladribine failures still bear a high risk of malignant transformation, and the rate of enteropathy-associated T-cell lymphoma (EATL) development in this subgroup is extremely high. It might be hypothesized that the heterogenous nature of aberrant IEL and the high risk of malignant transformation require a treatment strategy which is effective despite this heterogeneity. RCDII should be seen more in the light of a low-grade/no mass lymphoma or pre-EATL. We would suggest an upfront combination therapy approach integrating inhibition of downstream Jak-STAT signalling pathways with conventional therapy (2-CDA) to hopefully effectively treat signs and symptoms of RCDII and accomplish a more effective EATL prevention.
Collapse
|
38
|
Al-toma A, Nijeboer P, Bouma G, Visser O, Mulder CJJ. Hematopoietic stem cell transplantation for non-malignant gastrointestinal diseases. World J Gastroenterol 2014; 20:17368-17375. [PMID: 25516648 PMCID: PMC4265595 DOI: 10.3748/wjg.v20.i46.17368] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 04/30/2014] [Accepted: 09/30/2014] [Indexed: 02/06/2023] Open
Abstract
Both, autologous and allogeneic hematopoietic stem cell transplantation (HSCT) can be used to cure or ameliorate a variety of malignant and non-malignant diseases. The rationale behind this strategy is based on the concept of immunoablation using high-dose chemotherapy, with subsequent regeneration of naive T-lymphocytes derived from reinfused hematopoietic progenitor cells. In addition, the use of HSCT allows for the administration of high-dose chemotherapy (whether or not combined with immunomodulating agents such as antithymocyte globulin) resulting in a prompt remission in therapy-refractory patients. This review gives an update of the major areas of successful uses of HSCT in non-malignant gastrointestinal disorders. A Medline search has been conducted and all relevant published data were analyzed. HSCT has been proved successful in treating refractory Crohn’s disease (CD). Patients with refractory celiac disease type II and a high risk of developing enteropathy associated T-cell lymphoma have shown promising improvement. Data concerning HSCT and mesenchymal SCT in end-stage chronic liver diseases are encouraging. In refractory autoimmune gastrointestinal diseases high-dose chemotherapy followed by HSCT seems feasible and safe and might result in long-term improvement of disease activity. Mesenchymal SCT for a selected group of CD is promising and may represent a significant therapeutic alternative in treating fistulas in CD.
Collapse
|
39
|
van Wanrooij RLJ, Müller DMJ, Neefjes-Borst EA, Meijer J, Koudstaal LG, Heideman DAM, Bontkes HJ, von Blomberg BME, Bouma G, Mulder CJJ. Optimal strategies to identify aberrant intra-epithelial lymphocytes in refractory coeliac disease. J Clin Immunol 2014; 34:828-35. [PMID: 25062848 DOI: 10.1007/s10875-014-0075-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2013] [Accepted: 07/02/2014] [Indexed: 12/11/2022]
Abstract
INTRODUCTION Different strategies have been developed to identify those refractory celiac disease (RCD) patients who are at risk to develop an enteropathy associated T-cell lymphoma (EATL). Flow cytometric analysis of intra-epithelial lymphocytes (IEL) with an aberrant phenotype is considered the golden standard but is not widely available. Immunohistochemistry (IHC) and T-cell receptor (TCR) rearrangement studies are commonly available but may lack sensitivity and specificity. Here, we compared the three different methods in the workup of patients suspected for RCD. METHODS Duodenal biopsies from control patient (n = 5), RCD patients with moderately increased aberrant IEL populations (20-50 %: n = 14), and RCD patients with high numbers of aberrant IEL (>50 %: n = 5) as determined by flow cytometry were analysed by IHC and TCR-γ chain rearrangement analysis. Three pathologists scored the slides independently. RESULTS Sensitivity of IHC and TCR-γ rearrangement analysis in RCD patients with high numbers of aberrant IELs was 100 and 71 %, respectively. RCD patients with aberrant cells between 25 and 50 % however, were missed by IHC and TCR in 50 and 57 % of cases, respectively. In addition, inter-rater reliability analysis of the IHC scoring revealed coder-pair Kappa coefficients between 0.28 and 0.85. CONCLUSION Immunohistochemistry and to a lesser extent TCR-γ clonality analysis are sensitive in identifying patients with high numbers of aberrant IEL populations, yet miss half of RCD patients with moderately increased numbers. In addition, IHC has a high inter-observer variability. Therefore, patients suspected for RCD should undergo flow cytometric analysis of the duodenum.
Collapse
Affiliation(s)
- R L J van Wanrooij
- Department of Gastroenterology and Hepatology, VU University Medical Center, PO Box 7057, 1007 MB, Amsterdam, The Netherlands,
| | | | | | | | | | | | | | | | | | | |
Collapse
|
40
|
Update on the diagnosis and management of refractory coeliac disease. Gastroenterol Res Pract 2013; 2013:518483. [PMID: 23762036 PMCID: PMC3665175 DOI: 10.1155/2013/518483] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2013] [Accepted: 03/25/2013] [Indexed: 12/20/2022] Open
Abstract
A small subset of coeliac disease (CD) patients experiences persisting or recurring symptoms despite strict adherence to a gluten-free diet (GFD). When other causes of villous atrophy have been excluded, these patients are referred to as refractory celiac disease (RCD) patients. RCD can be divided in two types based on the absence (type I) or presence (type II) of an, usually clonal, intraepithelial lymphocyte population with aberrant phenotype. RCDI usually runs a benign course and may be difficult to be differentiated from uncomplicated, slow responding CD. In contrast, RCDII can be defined as low-grade intraepithelial lymphoma and frequently transforms into an aggressive enteropathy associated T-cell lymphoma with dismal prognosis. This paper describes the clinical characteristics of RCDI and RCDII, diagnostic approach, and the latest insights in treatment options.
Collapse
|
41
|
Rubio-Tapia A, Hill ID, Kelly CP, Calderwood AH, Murray JA. ACG clinical guidelines: diagnosis and management of celiac disease. Am J Gastroenterol 2013; 108:656-76; quiz 677. [PMID: 23609613 PMCID: PMC3706994 DOI: 10.1038/ajg.2013.79] [Citation(s) in RCA: 1075] [Impact Index Per Article: 97.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This guideline presents recommendations for the diagnosis and management of patients with celiac disease. Celiac disease is an immune-based reaction to dietary gluten (storage protein for wheat, barley, and rye) that primarily affects the small intestine in those with a genetic predisposition and resolves with exclusion of gluten from the diet. There has been a substantial increase in the prevalence of celiac disease over the last 50 years and an increase in the rate of diagnosis in the last 10 years. Celiac disease can present with many symptoms, including typical gastrointestinal symptoms (e.g., diarrhea, steatorrhea, weight loss, bloating, flatulence, abdominal pain) and also non-gastrointestinal abnormalities (e.g., abnormal liver function tests, iron deficiency anemia, bone disease, skin disorders, and many other protean manifestations). Indeed, many individuals with celiac disease may have no symptoms at all. Celiac disease is usually detected by serologic testing of celiac-specific antibodies. The diagnosis is confirmed by duodenal mucosal biopsies. Both serology and biopsy should be performed on a gluten-containing diet. The treatment for celiac disease is primarily a gluten-free diet (GFD), which requires significant patient education, motivation, and follow-up. Non-responsive celiac disease occurs frequently, particularly in those diagnosed in adulthood. Persistent or recurring symptoms should lead to a review of the patient's original diagnosis to exclude alternative diagnoses, a review of the GFD to ensure there is no obvious gluten contamination, and serologic testing to confirm adherence with the GFD. In addition, evaluation for disorders associated with celiac disease that could cause persistent symptoms, such as microscopic colitis, pancreatic exocrine dysfunction, and complications of celiac disease, such as enteropathy-associated lymphoma or refractory celiac disease, should be entertained. Newer therapeutic modalities are being studied in clinical trials, but are not yet approved for use in practice. Given the incomplete response of many patients to a GFD-free diet as well as the difficulty of adherence to the GFD over the long term, development of new effective therapies for symptom control and reversal of inflammation and organ damage are needed. The prevalence of celiac disease is increasing worldwide and many patients with celiac disease remain undiagnosed, highlighting the need for improved strategies in the future for the optimal detection of patients.
Collapse
Affiliation(s)
- Alberto Rubio-Tapia
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Ivor D Hill
- Department of Pediatrics, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - Ciarán P Kelly
- Celiac Center, Division of Gastroenterology, Beth Israel Deaconess Medical Center & Harvard Medical School, Boston, Massachusetts
| | - Audrey H Calderwood
- Gastroenterology, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Joseph A Murray
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| |
Collapse
|
42
|
Abstract
A significant proportion of patients with coeliac disease are 'nonresponsive' to gluten withdrawal. Most cases of nonresponsive coeliac disease are due to persisting gluten ingestion. Refractory coeliac disease (RCD) is currently defined by persistent symptoms and signs of malabsorption after gluten exclusion for 12 months with ongoing intestinal villous atrophy. Primary (without initial response to diet) and secondary (relapse following response to diet) RCD is recognized. RCD is further classified as type I or type II based on the absence or presence of a population of aberrant intestinal lymphocytes. Quality of dietetic advice and support is fundamental, and lack of objective corroboration of gluten exclusion may result in over-identification of RCD I, particularly in those cases with persisting antibody responses. Over-reliance on lymphocyte clonality similarly may result in over-diagnosis of RCD II which requires careful quantification of aberrant lymphocyte populations. Management of RCD should be undertaken in specialist centres. It requires initial intensive dietary supervision, strict gluten exclusion and subsequent re-evaluation. There is currently insufficient evidence to recommend specific treatments. Steroids are often used in both RCD I and II (albeit with little objective evidence of benefit in RCD II), and azathioprine as steroid-sparing therapy in RCD I. There is growing evidence for the use of cladribine in RCD II with autologous stem cell transplantation in nonresponders, but this requires further multicentre evaluation. There remains considerable controversy regarding the diagnosis, treatment and surveillance of RCD: international consensus in these areas is urgently required to facilitate future therapeutic advances.
Collapse
Affiliation(s)
- Jeremy Woodward
- Consultant Gastroenterologist, Addenbrooke's Hospital, Cambridge CB2 0QQ, UK
| |
Collapse
|
43
|
Drastich P, Honsová E, Lodererová A, Jarešová M, Pekáriková A, Hoffmanová I, Tučková L, Tlaskalová-Hogenová H, Špičák J, Sánchez D. Celiac disease markers in patients with liver diseases: A single center large scale screening study. World J Gastroenterol 2012; 18:6255-6262. [PMID: 23180946 PMCID: PMC3501774 DOI: 10.3748/wjg.v18.i43.6255] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To study the coincidence of celiac disease, we tested its serological markers in patients with various liver diseases.
METHODS: Large-scale screening of serum antibodies against tissue transglutaminase (tTG), and deamidated gliadin using enzyme-linked immunosorbent assay and serum antibodies against endomysium using immunohistochemistry, in patients with various liver diseases (n = 962) and patients who underwent liver transplantation (OLTx, n = 523) was performed. The expression of tTG in liver tissue samples of patients simultaneously suffering from celiac disease and from various liver diseases using immunohistochemistry was carried out. The final diagnosis of celiac disease was confirmed by histological analysis of small-intestinal biopsy.
RESULTS: We found that 29 of 962 patients (3%) with liver diseases and 5 of 523 patients (0.8%) who underwent OLTx were seropositive for IgA and IgG anti-tTG antibodies. However, celiac disease was biopsy-diagnosed in 16 patients: 4 with autoimmune hepatitis type I, 3 with Wilson's disease, 3 with celiac hepatitis, 2 with primary sclerosing cholangitis, 1 with primary biliary cirrhosis, 1 with Budd-Chiari syndrome, 1 with toxic hepatitis, and 1 with non-alcoholic steatohepatitis. Unexpectedly, the highest prevalence of celiac disease was found in patients with Wilson's disease (9.7%), with which it is only rarely associated. On the other hand, no OLTx patients were diagnosed with celiac disease in our study. A pilot study of the expression of tTG in liver tissue using immunohistochemistry documented the overexpression of this molecule in endothelial cells and periportal hepatocytes of patients simultaneously suffering from celiac disease and toxic hepatitis, primary sclerosing cholangitis or autoimmune hepatitis type I.
CONCLUSION: We suggest that screening for celiac disease may be beneficial not only in patients with associated liver diseases, but also in patients with Wilson's disease.
Collapse
|
44
|
Hayes CD, Dey D, Palavicini JP, Wang H, Araki W, Lakshmana MK. Chronic cladribine administration increases amyloid beta peptide generation and plaque burden in mice. PLoS One 2012; 7:e45841. [PMID: 23056220 PMCID: PMC3463612 DOI: 10.1371/journal.pone.0045841] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2012] [Accepted: 08/24/2012] [Indexed: 12/15/2022] Open
Abstract
Background The clinical uses of 2-chloro-2′-deoxyadenosine (2-CDA) or cladribine which was initially prescribed to patients with hematological and lymphoid cancers is now extended to treat patients with multiple sclerosis (MS). Previous data has shown that 2-CDA has high affinity to the brain and readily passes through the blood brain barrier reaching CSF concentrations 25% of that found in plasma. However, whether long-term administration of 2-CDA can lead to any adverse effects in patients or animal models is not yet clearly known. Methodology Here we show that exposure of 2-CDA to CHO cells stably expressing wild-type APP751 increased generation and secretion of amyloid β peptide (Aβ) in to the conditioned medium. Interestingly, increased Aβ levels were noticed even at non-toxic concentrations of 2-CDA. Remarkably, chronic treatment of APdE9 mice, a model of Alzheimer's disease with 2-CDA for 60 days increased amyloid plaque burden by more than 1-fold. Increased Aβ generation appears to result from increased turnover of APP as revealed by cycloheximide-chase experiments. Additionally, surface labeling of APP with biotin and immunoprecipitation of surface labeled proteins with anti-biotin antibody also indicated increased APP at the cell surface in 2-CDA treated cells compared to controls. Increased turnover of APP by 2-CDA in turn might be a consequence of decreased protein levels of PIN 1, which is known to regulate cis-trans isomerization and phosphorylation of APP. Most importantly, like many other oncology drugs, 2-CDA administration led to significant delay in acquiring a reward-based learning task in a T maze paradigm. Conclusions Taken together, these data provide compelling evidence for the first time that chronic 2-CDA administration can increase amyloidogenic processing of APP leading to robustly increased plaque burden which may be responsible for the observed deficits in learning skills. Thus chronic treatment of mice with 2-CDA can have deleterious effects in vivo.
Collapse
Affiliation(s)
- Crystal D. Hayes
- Section of Neurobiology, Torrey Pines Institute for Molecular Studies, Port Saint Lucie, Florida, United States of America
| | - Debleena Dey
- Section of Neurobiology, Torrey Pines Institute for Molecular Studies, Port Saint Lucie, Florida, United States of America
| | - Juan Pablo Palavicini
- Section of Neurobiology, Torrey Pines Institute for Molecular Studies, Port Saint Lucie, Florida, United States of America
| | - Hongjie Wang
- Section of Neurobiology, Torrey Pines Institute for Molecular Studies, Port Saint Lucie, Florida, United States of America
| | - Wataru Araki
- Department of Demyelinating Disease and Aging, National Institute of Neuroscience, National Center for Neurology and Psychiatry (NCNP), Kodaira, Tokyo, Japan
| | - Madepalli K. Lakshmana
- Section of Neurobiology, Torrey Pines Institute for Molecular Studies, Port Saint Lucie, Florida, United States of America
- * E-mail:
| |
Collapse
|
45
|
Mukherjee R, Kelly CP, Schuppan D. Nondietary therapies for celiac disease. Gastrointest Endosc Clin N Am 2012; 22:811-31. [PMID: 23083995 DOI: 10.1016/j.giec.2012.09.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Currently, the only available therapy for celiac disease is strict lifelong adherence to a gluten-free diet (GFD). Although safe and effective, the GFD is not ideal. It is frequently expensive, of limited nutritional value, and not readily available in many countries. Consequently, a need exists for novel, nondietary therapies for celiac disease. Based on the current understanding of celiac disease pathogenesis, several potential targets of therapeutic intervention exist. These novel strategies provide promise of alternative, adjunctive treatment options but also raise important questions regarding safety, efficacy, and monitoring of long-term treatment effect.
Collapse
Affiliation(s)
- Rupa Mukherjee
- Department of Medicine, Division of Gastroenterology, The Celiac Center, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
| | | | | |
Collapse
|
46
|
The immunopathogenesis of celiac disease reveals possible therapies beyond the gluten-free diet. Semin Immunopathol 2012; 34:581-600. [DOI: 10.1007/s00281-012-0318-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Accepted: 05/04/2012] [Indexed: 12/18/2022]
|
47
|
Abstract
PURPOSE OF REVIEW This article critically summarizes the recent scientific and clinical advances in coeliac disease. RECENT FINDINGS Epidemiological studies have shown that coeliac disease is as common in parts of Asia, Africa and Eastern Europe as in the western world. Genome-wide association studies continue to identify genetic susceptibilities that are both unique to coeliac disease and overlap with other autoimmune diseases. Human leukocyte antigen genotyping offers additional sensitivity in detecting coeliac disease in individuals who have self-prescribed gluten-free diets (GFD) or have atypical presentations. Immunological advances have highlighted the potential proinflammatory pitfalls of vitamin A supplementation in active coeliac disease and have enabled identification of oat and barley subsets that may be safely incorporated into coeliac diets. Large population-based studies have expanded our knowledge of the long-term risks of coeliac disease, in addition to excluding infertility as a cause for concern once a GFD has been established. SUMMARY The long-term implications of active coeliac disease emphasize the need for early detection and strict adherence to GFD, which remains the cornerstone of management. Technological advances in food modulation and immuno-therapies offer promise, but remain in the translational phases of clinical trials at present.
Collapse
|
48
|
Tack GJ, van Wanrooij RLJ, Langerak AW, Tjon JML, von Blomberg BME, Heideman DAM, van Bergen J, Koning F, Bouma G, Mulder CJJ, Schreurs MWJ. Origin and immunophenotype of aberrant IEL in RCDII patients. Mol Immunol 2012; 50:262-70. [PMID: 22364936 DOI: 10.1016/j.molimm.2012.01.014] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Revised: 01/21/2012] [Accepted: 01/27/2012] [Indexed: 01/04/2023]
Abstract
OBJECTIVES Aberrant intra-epithelial lymphocytes (IELs) are the hallmark of refractory coeliac disease type II RCDII and considered a premalignant cell population from which aggressive enteropathy-associated T cell lymphoma (EATL) can evolve. The aim of this study was to gain further insight in the origin and characteristics of aberrant IELs by analysing T-cell receptor (TCR) rearrangements, and by immunophenotypic analysis of aberrant IELs. DESIGN Duodenal biopsies from 18 RCDII patients and three RCDII cell lines were analysed for the presence of TCR delta, gamma, and beta rearrangements. In addition, IELs isolated from biopsies derived from RCDII patients were phenotypically analysed. RESULTS Aberrant IELs showed an upregulated expression of granzyme B and decreased expression of PCNA. TCR rearrangements in the aberrant IEL population in biopsies of RCDII patients were heterogenic, which is most likely due to a variation in maturity. Similarly, RCDII cell lines displayed a heterogenic TCR rearrangement pattern. CONCLUSION Aberrant IELs originate from deranged immature T lymphocytes and display clear differentiation to a cytotoxic phenotype. Aberrant IELs displayed different stages of maturity between RCDII patients, of which only the patients harbouring the most mature aberrant IEL population developed an EATL.
Collapse
Affiliation(s)
- Greetje J Tack
- Gastroenterology and Hepatology, VU University Medical Center, The Netherlands.
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
49
|
Abstract
Enteropathy-associated T-cell lymphoma (EATL) is a complication of celiac disease (CD). This tumor derives from the neoplastic transformation of aberrant intraepithelial T lymphocytes emerging in celiac patients unresponsive to a gluten-free diet. Poor adherence to a gluten-free diet, HLA-DQ2 homozygosity, and late diagnosis of CD are recognized as risk factors for malignant evolution of CD. Recurrence of diarrhea, unexplained weight loss, abdominal pain, fever, and night sweating should alert physicians to this complication. The suspicion of EATL should lead to an extensive diagnostic workup in which magnetic resonance enteroclysis, positron emission tomography scan, and histologic identification of lesions represent the best options. Treatment includes high-dose chemotherapy preceded by surgical resection and followed by autologous stem cell transplantation, although biologic therapies seem to be promising. Strict adherence to a gluten-free diet remains the only way to prevent EATL.
Collapse
|
50
|
Phillips AA, Owens C, Lee S, Bhagat G. An update on the management of peripheral T-cell lymphoma and emerging treatment options. J Blood Med 2011; 2:119-29. [PMID: 22287871 PMCID: PMC3262352 DOI: 10.2147/jbm.s8627] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2011] [Indexed: 11/23/2022] Open
Abstract
Peripheral T-cell lymphomas (PTCLs) comprise a rare and heterogeneous subset of non-Hodgkin’s lymphomas (NHLs) that arise from post-thymic T-cells or natural killer (NK)-cells at nodal or extranodal sites. Worldwide, PTCLs represent approximately 12% of all NHLs and the 2008 World Health Organization (WHO) classification includes over 20 biologically and clinically distinct T/NK-cell neoplasms that differ significantly in presentation, pathology, and response to therapy. Because of the rarity and heterogeneity of these diseases, large clinical trials have not been conducted and optimal therapy is not well defined. Most subtypes are treated with similar combination chemotherapy regimens as used for aggressive B-cell NHL, but with poorer outcomes. New treatment combinations and novel agents are currently being explored for PTCLs and this review highlights a number of options that appear promising.
Collapse
|