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Abstract
Various lifestyle factors including physical activity and obesity, stress, sleep, and smoking may modify the risk of developing inflammatory bowel diseases (IBDs). In patients with established IBD, these lifestyle factors may significantly impact the natural history and clinical outcomes. Recreational exercise decreases the risk of flare and fatigue in patients with IBD. In contrast, obesity increases the risk of relapse and is associated with higher anxiety, depression, fatigue, and pain and higher health care utilization. Obesity also modifies pharmacokinetics of biologic agents unfavorably and is associated with a higher risk of treatment failure. Sleep disturbance is highly prevalent in patients with IBD, independent of disease activity, and increases the risk of relapse and chronic fatigue. Similarly, stress, particularly perceived stress rather than major life events, may trigger symptomatic flare in patients with IBD, although its impact on inflammation is unclear. Cigarette smoking is associated with unfavorable outcomes including the risk of corticosteroid dependence, surgery, and disease progression in patients with Crohn's disease; in contrast, smoking does not significantly impact outcomes in patients with ulcerative colitis, although some studies suggest that it may be associated with a lower risk of flare. The effect of alcohol and cannabis use in patients with IBD is inconsistent, with some studies suggesting that cannabis may decrease chronic pain in patients with IBD, without a significant effect of biological remission. Although these lifestyle factors are potentially modifiable, only a few interventional studies have been conducted. Trials of structured exercise and psychological therapy including mindfulness-based therapies such as meditation and yoga and gut-directed hypnotherapy have not consistently demonstrated benefit in clinical and/or endoscopic disease activity in IBD, although may improve overall quality of life.
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152
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Liew JW, Huang IJ, Louden DN, Singh N, Gensler LS. Association of body mass index on disease activity in axial spondyloarthritis: systematic review and meta-analysis. RMD Open 2020; 6:rmdopen-2020-001225. [PMID: 32434828 PMCID: PMC7299511 DOI: 10.1136/rmdopen-2020-001225] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 04/24/2020] [Accepted: 05/03/2020] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVES In axial spondyloarthritis (axSpA), higher body mass index (BMI) is associated with worse outcomes including response to biologics. Further clarity is needed on whether BMI is associated with disease activity overall, independent of treatment response. We performed a systematic review and meta-analysis to assess the association between BMI and disease activity as reported by the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) or Ankylosing Spondylitis Disease Activity Score (ASDAS) in axSpA. METHODS We systematically searched for studies evaluating BMI and disease activity as the exposure and outcome of interest, respectively, in axSpA. Using random effects models, we estimated summary standardised mean differences (SMDs) and 95% CIs of BASDAI or ASDAS, comparing obese (BMI>30 kg/m2) or overweight/obese (BMI>25 kg/m2) individuals to those with normal BMI (18.5-24.9 kg/m2). RESULTS Twelve studies were included in the meta-analysis. Among all studies reporting the BASDAI at baseline, the pooled SMD of the BASDAI for those with an obese or overweight/obese BMI compared to a normal BMI was 0.38 (95% CI 0.21 to 0.55, I2 =75.2%), indicating a significant association of higher BMI with higher BASDAI score. The pooled SMD of the ASDAS for those with an obese or overweight/obese BMI compared to a normal BMI was 0.40 (95% CI 0.27 to 0.54, I2=0%). Findings were robust across subgroup analyses. CONCLUSION These results demonstrate an association between an overweight/obese BMI and higher disease activity in studies of axSpA. Future longitudinal studies of BMI and disease activity should assess how this association changes over time.
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Affiliation(s)
- Jean W Liew
- Medicine, Division of Rheumatology, University of Washington, Seattle, Washington, USA
| | - Irvin J Huang
- Medicine, Division of Rheumatology, University of Washington, Seattle, Washington, USA
| | - Diana N Louden
- University Libraries, University of Washington, Seattle, Washington, USA
| | - Namrata Singh
- Medicine, Division of Rheumatology, University of Washington, Seattle, Washington, USA
| | - Lianne S Gensler
- Division of Rheumatology, University of California San Francisco, San Francisco, California, USA
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153
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Singh S, Picardo S, Seow CH. Management of Inflammatory Bowel Diseases in Special Populations: Obese, Old, or Obstetric. Clin Gastroenterol Hepatol 2020; 18:1367-1380. [PMID: 31712084 PMCID: PMC7183892 DOI: 10.1016/j.cgh.2019.11.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/25/2019] [Accepted: 11/04/2019] [Indexed: 02/07/2023]
Abstract
The epidemiology of inflammatory bowel disease (IBD) is progressively evolving impacting the type of patients with IBD we will see in clinical practice. In this review, we discuss specific challenges and solutions in the management of (1) obese, (2) older and (3) obstetric (pregnant) patients with IBD. With the global obesity epidemic, almost 1 in 3 patients with IBD are obese. Obesity is associated with greater difficulty in achieving remission, higher risk of disease relapse and higher burden and costs of hospitalization in patients with IBD. Obese patients also have inferior response to biologic therapy related to altered pharmacokinetics and obesity-mediated chronic inflammation. Surgical management of obese patients with IBD is also challenging. Similar to obesity, the prevalence of IBD in older patients is rising and it is anticipated that almost one-third of patients with IBD will be older than 60 years within the next decade. Older patients present unique diagnostic and therapeutic dilemmas, and management of these individuals warrants careful consideration of the risks of disease-related versus treatment-related complications, non-IBD-related extra-intestinal complications (eg, cardiovascular disease, malignancy), in the context of individual values, preferences, functional status and comorbidities. With evolving therapeutics, medical management of IBD surrounding pregnancy continues to be challenging. Overall, the management of pregnant patients requires a pro-active, multidisciplinary approach, with an emphasis on optimal disease control not just during, but prior to pregnancy. This often involves continuation of highly effective therapies, of which the vast majority are safe during pregnancy and breastfeeding, resulting in a reduction of risk of adverse maternal fetal outcomes.
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Affiliation(s)
- Siddharth Singh
- Division of Gastroenterology, University of California San Diego, La Jolla, California; Division of Biomedical Informatics, University of California San Diego, La Jolla, California.
| | - Sherman Picardo
- Inflammatory Bowel Disease Centre, Department of Gastroenterology, University of Calgary, Calgary, Alberta, Canada
| | - Cynthia H. Seow
- Inflammatory Bowel Disease Centre, Department of Gastroenterology, University of Calgary, Calgary, Alberta, Canada,Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
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154
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Azuaga AB, Frade-Sosa B, Laiz A, Estrada P, Prior-Español A, Horcada L, Polino L, Moreno M, Moragues C, Urruticoechea-Arana A, Sellas A, Tandaipan JL, Torrente-Segarra V, Garcia-Miguel J, Ros I, Ordoñez S, Moya P, Reina D, Mateo-Soria L, Fito C, Beltrán E, Pujol M, Cuervo AM, Cañete JD, Ramírez J. Effectiveness of ustekinumab in patients with psoriatic arthritis in a real-world, multicenter study. Clin Rheumatol 2020; 39:2963-2971. [DOI: 10.1007/s10067-020-05057-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 03/15/2020] [Accepted: 03/20/2020] [Indexed: 11/30/2022]
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155
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Kim EK, Min HK, Lee SY, Kim DS, Ryu JG, Na HS, Jung KA, Choi JW, Park SH, Cho ML. Metformin rescues rapamycin-induced mitochondrial dysfunction and attenuates rheumatoid arthritis with metabolic syndrome. Arthritis Res Ther 2020; 22:77. [PMID: 32276645 PMCID: PMC7149912 DOI: 10.1186/s13075-020-02174-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 03/31/2020] [Indexed: 12/19/2022] Open
Abstract
Background Rapamycin, an inhibitor of the serine/threonine protein kinase mTOR, is an immunosuppressant used to treat renal transplant recipients, but it can cause endothelial and mitochondrial dysfunction. Metformin is used for the treatment of type 2 diabetes and was reported to exert therapeutic effects against rheumatoid arthritis and obesity by improving mitochondrial dysfunction via the activation of fibroblast growth factor 21. We investigated the therapeutic effects of rapamycin–metformin combination therapy in obese mice with collagen-induced arthritis (CIA). Methods Mouse embryonic fibroblasts were treated with rapamycin, metformin, or rapamycin–metformin, and their respiratory level and mitochondrial gene expression were assayed. Mice were fed a high-fat diet, immunized with type II collagen, and subsequently treated with rapamycin–metformin daily for 10 weeks. Results Rapamycin-treated cells exhibited dysfunction of mitochondrial respiration and decreased mitochondrial gene expression compared with rapamycin–metformin-treated cells. Moreover, rapamycin–metformin reduced the clinical arthritis score and the extent of histological inflammation and improved the metabolic profile in obese mice with CIA. Rapamycin–metformin enhanced the balance between T helper 17 and regulatory T cells in vitro and in vivo. Conclusions These results suggest that rapamycin–metformin is a potential therapeutic option for autoimmune arthritis.
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Affiliation(s)
- Eun Kyung Kim
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-Daero, Seocho-gu, Seoul, 06591, Republic of Korea.,Laboratory of Immune Network, Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hong Ki Min
- Division of Rheumatology, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Republic of Korea
| | - Seon-Yeong Lee
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-Daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Da-Som Kim
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-Daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Jun-Geol Ryu
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-Daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Hyun Sik Na
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-Daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Kyoung Ah Jung
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-Daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Jeong Won Choi
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-Daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Sung-Hwan Park
- Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, 137-070, South Korea
| | - Mi-La Cho
- Rheumatism Research Center, Catholic Institutes of Medical Science, College of Medicine, The Catholic University of Korea, 222, Banpo-Daero, Seocho-gu, Seoul, 06591, Republic of Korea. .,Laboratory of Immune Network, Conversant Research Consortium in Immunologic Disease, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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156
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Lin TY, Chiu CJ, Kuan CH, Chen FH, Shen YC, Wu CH, Hsu YH. IL-29 promoted obesity-induced inflammation and insulin resistance. Cell Mol Immunol 2020; 17:369-379. [PMID: 31363171 PMCID: PMC7109060 DOI: 10.1038/s41423-019-0262-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 07/01/2019] [Indexed: 12/17/2022] Open
Abstract
Adipocyte-macrophage crosstalk plays a critical role to regulate adipose tissue microenvironment and cause chronic inflammation in the pathogenesis of obesity. Interleukin-29 (IL-29), a member of type 3 interferon family, plays a role in host defenses against microbes, however, little is known about its role in metabolic disorders. We explored the function of IL-29 in the pathogenesis of obesity-induced inflammation and insulin resistance. We found that serum IL-29 level was significantly higher in obese patients. IL-29 upregulated IL-1β, IL-8, and monocyte chemoattractant protein-1 (MCP-1) expression and decreased glucose uptake and insulin sensitivity in human Simpson-Golabi-Behmel syndrome (SGBS) adipocytes through reducing glucose transporter 4 (GLUT4) and AKT signals. In addition, IL-29 promoted monocyte/macrophage migration. Inhibition of IL-29 could reduce inflammatory cytokine production in macrophage-adipocyte coculture system, which mimic an obese microenvironment. In vivo, IL-29 reduced insulin sensitivity and increased the number of peritoneal macrophages in high-fat diet (HFD)-induced obese mice. IL-29 increased M1/M2 macrophage ratio and enhanced MCP-1 expression in adipose tissues of HFD mice. Therefore, we have identified a critical role of IL-29 in obesity-induced inflammation and insulin resistance, and we conclude that IL-29 may be a novel candidate target for treating obesity and insulin resistance in patients with metabolic disorders.
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Affiliation(s)
- Tian-Yu Lin
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan, China
| | - Chiao-Juno Chiu
- Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan, China
| | - Chen-Hsiang Kuan
- Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan, China
- Division of Plastic Surgery, Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan, China
| | - Fang-Hsu Chen
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan, China
| | - Yin-Chen Shen
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan, China
| | - Chih-Hsing Wu
- Department of Family Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan, China
| | - Yu-Hsiang Hsu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan, China.
- Clinical Medicine Research Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan, China.
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157
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Toussirot E. The Interrelations between Biological and Targeted Synthetic Agents Used in Inflammatory Joint Diseases, and Obesity or Body Composition. Metabolites 2020; 10:E107. [PMID: 32183053 PMCID: PMC7175105 DOI: 10.3390/metabo10030107] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 03/08/2020] [Accepted: 03/10/2020] [Indexed: 12/16/2022] Open
Abstract
Obesity is a comorbidity that plays a role in the development and severity of inflammatory joint diseases, including rheumatoid arthritis, psoriatic arthritis and axial spondyloarthritis. The relationships between obesity and adipose tissue and the treatments given for inflammatory joint diseases are bidirectional. In fact, biological agents (bDMARDs) and targeted synthetic agents (tsDMARDs) may influence body weight and body composition of treated patients, while obesity in turn may influence clinical response to these agents. Obesity is a prevalent comorbidity mainly affecting patients with rheumatoid arthritis (RA) and psoriatic arthritis (PsA) with specific phenotypes. Tumour necrosis factor alpha (TNFα) inhibitors have been associated with changes in body composition by improving lean mass, but also by significantly increasing fat mass, which localized toward the abdominal/visceral region. The IL-6 inhibitor tocilizumab is associated with an increase in lean mass without change in fat mass. The clinical response to TNFα inhibitors is attenuated by obesity, an effect that is less pronounced with IL-6 inhibitors and the B-cell depletion agent rituximab. Conversely, body weight has no influence on the response to the costimulation inhibitor abatacept. These effects may be of help to the physician in personalized medicine, and may guide the therapeutic choice in obese/overweight patients.
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Affiliation(s)
- Eric Toussirot
- INSERM CIC-1431, CHU de Besançon, Centre d’Investigation Clinique Biothérapie, Pôle Recherche, 25000 Besançon, France; ; Tel.: +33-3-81-21-89-97
- Fédération Hospitalo-Universitaire INCREASE, CHU de Besançon, 25000 Besançon, France
- CHU de Besançon, Rhumatologie, Pôle PACTE (Pathologies Aiguës Chroniques Transplantation Éducation), 25000 Besançon, France
- Département Universitaire de Thérapeutique, Université de Bourgogne Franche-Comté, UFR des Sciences Médicales et Pharmaceutiques de Besançon, CS 71806, 25030 Besançon Cedex, France
- INSERM UMR1098, Relations Hôte Greffon Tumeurs, ingénierie cellulaire et génique, Université de Bourgogne Franche-Comté, 25000 Besançon, France
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158
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Carlet C, Bichard D, Richard MA, Mahé E, Saillard C, Brenaut E, Dupuy A, Misery L, Villani A, Jullien D, Puzenat E, Nardin C, Aubin F, Groupe de Recherche sur le Psoriasis de la Société Française de Dermatologie. Long-Term Infliximab Treatment in Psoriasis Patients: A National Multicentre Retrospective Study. Dermatol Res Pract 2020; 2020:2042636. [PMID: 32231699 PMCID: PMC7085387 DOI: 10.1155/2020/2042636] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 01/07/2020] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Although infliximab (IFX) has been available since 2005, there are very little data on the long-term drug survival of infliximab in real-life. OBJECTIVE Our aim was to identify and describe psoriasis patients treated with IFX for longer than 6 years. METHODS Psoriasis patients treated with IFX for longer than 6 years were retrospectively included. Demographic and clinical data were collected in May 2018. RESULTS Between January 2005 and December 2012, 43 patients were maintained on IFX for 6 years or longer. IFX was introduced as a 4.5 line of systemic therapy. The mean duration of IFX treatment was 8.5 years (6-12). In May 2018, 30 patients (70%) were still maintained on IFX at 4-6 mg/kg every 8-10 weeks with an efficiency of about 100%. IFX was stopped in 13 patients (30%) mainly for loss of efficacy in 6 patients (46%). Three patients developed solid cancer including bladder cancer, lung cancer, and prostate cancer. Limitation. Retrospective study. CONCLUSION We report the efficacy and safety of IFX maintained for up to 12 years in psoriasis patients. The long-term use of IFX was associated with a high BMI confirming the critical role of weight-based dosing for this drug.
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Affiliation(s)
| | | | | | - Emmanuel Mahé
- Dermatology Dpt, CH Victor Dupouy, Argenteuil, France
| | | | | | | | | | - Axel Villani
- Dermatology Dpt, Hôpital Edouard Herriot, Lyon, France
| | - Denis Jullien
- Dermatology Dpt, Hôpital Edouard Herriot, Lyon, France
| | - Eve Puzenat
- Dermatology Dpt, CHU Besançon, Besançon, France
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159
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Nasonov EL, Avdeeva AS, Lila AM. Efficacy and safety of tofacitinib for immune-mediated inflammatory rheumatic diseases (Part I). RHEUMATOLOGY SCIENCE AND PRACTICE 2020. [DOI: 10.14412/1995-4484-2020-62-79] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- E. L. Nasonov
- V.A. Nasonova Research Institute of Rheumatology; I.M. Sechenov First Moscow State Medical University (Sechenov University), Ministry of Health of Russia
| | | | - A. M. Lila
- V.A. Nasonova Research Institute of Rheumatology; Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia
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160
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Obesity and its role in the management of rheumatoid and psoriatic arthritis. Clin Rheumatol 2020; 39:1039-1047. [DOI: 10.1007/s10067-020-04963-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 01/05/2020] [Accepted: 01/27/2020] [Indexed: 12/12/2022]
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161
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Dai ZH, Xu XT, Ran ZH. Associations Between Obesity and the Effectiveness of Anti–Tumor Necrosis Factor-α Agents in Inflammatory Bowel Disease Patients: A Literature Review and Meta-analysis. Ann Pharmacother 2020; 54:729-741. [DOI: 10.1177/1060028019900660] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Background: A total of 15% to 40% of adult inflammatory bowel disease (IBD) patients are obese. The influence of obesity on anti-tumor necrosis factor-α (anti-TNF-α) treatment in IBD patients is not consistent. Objective: To determine the association between obesity and the efficacy of anti-TNF treatment in IBD patients. Methods: We performed a systematic search from January 1990 through November 2019 on MEDLINE, Web of Science, Google Scholar, ClinicalTrials.gov, and Cochrane library. We included randomized controlled trials and observational cohort studies that investigated the outcome of anti-TNF treatment in IBD patients with stratification according to body mass index or body weight. The odds ratio (OR) and its 95% CI were calculated. Results: In this pooled meta-analysis, we observed that obesity increased the odds of failure of anti-TNF therapy (OR = 1.195; 95% CI = 1.034-1.380; P = 0.015; I2 = 47.8%). After performing subgroup analyses, obesity was associated with higher odds of anti-TNF treatment failure in ulcerative colitis (UC) patients (OR = 1.413; 95% CI = 1.008-1.980; P = 0.045; I2 = 20.0%) but not in Crohn’s disease patients (OR = 1.099; 95% CI = 0.928-1.300). Obesity significantly increased the odds of treatment failure of both dose-fixed and weight-based anti-TNF agents (OR = 1.121, 95% CI = 1.027-1.224, P = 0.011, and OR = 1.449, 95% CI = 1.006-2.087, P = 0.046, respectively). Conclusion and Relevance: In our meta-analysis, obesity was associated with the inferior response of anti-TNF treatments in UC patients. Clinicians should be aware that obese UC patients may require higher doses in anti-TNF treatment.
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Affiliation(s)
- Zhang-han Dai
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Inflammatory Bowel Disease Research Center, Renji Hospital, School of Medicine, Shanghai Institute of Digestive Disease, Shanghai Jiao Tong University, Shanghai, China
| | - Xi-tao Xu
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Inflammatory Bowel Disease Research Center, Renji Hospital, School of Medicine, Shanghai Institute of Digestive Disease, Shanghai Jiao Tong University, Shanghai, China
| | - Zhi-hua Ran
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Inflammatory Bowel Disease Research Center, Renji Hospital, School of Medicine, Shanghai Institute of Digestive Disease, Shanghai Jiao Tong University, Shanghai, China
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162
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Emerenziani S, Pier Luca Guarino M, Trillo Asensio LM, Altomare A, Ribolsi M, Balestrieri P, Cicala M. Role of Overweight and Obesity in Gastrointestinal Disease. Nutrients 2019; 12:nu12010111. [PMID: 31906216 PMCID: PMC7019431 DOI: 10.3390/nu12010111] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 11/28/2019] [Accepted: 12/20/2019] [Indexed: 02/07/2023] Open
Abstract
The prevalence of obesity is increasing worldwide, leading to a severe impairment of overall health. Actually, obesity has been associated with several pathological conditions, causing an excess overall mortality. In particular, overweight and obesity are well known risk factors for a variety of gastrointestinal (GI) disorders i.e., functional GI disorders as well as, inflammatory bowel disease (IBD), pancreatitis, and GI cancer. The aim of the present review is to summarize the potential role of overweight and obesity in GI disease with particular focus on plausible biological mechanisms that could explain the association between obesity and GI disease based on the most recent evidence in the literature.
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Affiliation(s)
- Sara Emerenziani
- Correspondence: (S.E.); (L.M.T.A.); Tel.: +39-06225411690 (S.E. & L.M.T.A.)
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163
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Hsu S, Green L, Lebwohl M, Wu J, Blauvelt A, Jacobson A. Comparable efficacy and safety of brodalumab in obese and nonobese patients with psoriasis: analysis of two randomized controlled trials. Br J Dermatol 2019; 182:880-888. [DOI: 10.1111/bjd.18327] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2019] [Indexed: 12/21/2022]
Affiliation(s)
- S. Hsu
- Temple University Lewis Katz School of Medicine Philadelphia PA U.S.A
| | - L.J. Green
- George Washington University School of Medicine & Health Sciences Washington DC U.S.A
| | - M.G. Lebwohl
- Icahn School of Medicine at Mount Sinai New York NY U.S.A
| | - J.J. Wu
- Dermatology Research and Education Foundation Irvine CA U.S.A
| | - A. Blauvelt
- Oregon Medical Research Center Portland OR U.S.A
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164
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Szilagyi A. Relationship(s) between obesity and inflammatory bowel diseases: possible intertwined pathogenic mechanisms. Clin J Gastroenterol 2019; 13:139-152. [PMID: 31452062 PMCID: PMC7101293 DOI: 10.1007/s12328-019-01037-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Accepted: 08/15/2019] [Indexed: 12/17/2022]
Abstract
The inflammatory bowel diseases, Crohn's and ulcerative colitis have increased in incidence and prevalence from the mid-eighteen to the late nineteen centuries. From then to the current twenty-first century there has been a more rapid expansion of these disease to areas previously experiencing low rates. This latter expansion coincides with the current obesity pandemic which also began toward the end of the last century. Although the two diseases have radically different frequencies, there are interesting links between them. Four areas link the diseases. On an epidemiological level, IBD tends to follow a north-south gradient raising the importance of vitamin D in protection. Obesity has very weak relationship with latitude, but both diseases follow adult lactase distributions colliding in this plane. Is it possible that obesity (a low vitamin D condition with questionable response to supplements) reduces effects in IBD? On a pathogenic level, pro-inflammatory processes mark both IBD and obesity. The similarity raises the question of whether obesity could facilitate the development of IBD. Features of the metabolic syndrome occur in both, with or without obesity in IBD. The fourth interaction between the two diseases is the apparent effect of obesity on the course of IBD. There are suggestions that obesity may reduce the efficacy of biologic agents. Yet there is some suggestion also that obesity may reduce the need for hospitalization and surgery. The apparent co-expansion of both obesity and IBD suggests similar environmental changes may be involved in the promotion of both.
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Affiliation(s)
- Andrew Szilagyi
- Division of Gastroenterology, Department of Medicine, Jewish General Hospital, McGill University Medical School, 3755 Cote St Catherine Rd, Room E110, Montreal, QC, H3T 1E2, Canada.
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165
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Di Carlo M, Salaffi F, Gremese E, Iannone F, Lapadula G, Ferraccioli G. Body mass index as a driver of selection of biologic therapy in rheumatoid arthritis. Results from the US-CLARA study. Eur J Intern Med 2019; 66:57-61. [PMID: 31113709 DOI: 10.1016/j.ejim.2019.05.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 04/26/2019] [Accepted: 05/14/2019] [Indexed: 12/01/2022]
Abstract
PURPOSE Body mass index (BMI) demonstrated to influence the clinical response to different drugs in rheumatoid arthritis (RA). The aim of this study was to investigate the role of BMI in the achievement of remission in active RA patients starting the treatment with abatacept. METHODS Data regarding 130 RA patients enrolled in the UltraSound-CLinical ARthritis Activity (US-CLARA) study were retrospectively analyzed. Patients were assessed at baseline (when starting abatacept treatment) and at 3- and 6-months. An extensive clinimetric evaluation, including a new ultrasound (US)/clinical composite disease activity index, termed US-CLARA, was performed at every timepoints. Outcome of interest of the study was the impact of BMI on the achievement of the Disease Activity Score 28-joints erythrocyte sedimentation rate (DAS28-ESR) or the ACR/EULAR Boolean remission criteria at 6 month. RESULTS At 6-month 26 out of 130 patients were defined as responders to abatacept. Comparing the baseline characteristics of responders to non-responders, US-CLARA showed a statistically significant difference between the two groups. The logistic regression analysis showed that the two indipendent variables, predictive of treatment response (keeping the DAS28-ESR and/or Boolean remission criteria as dependent variable), were the self-tender joint count assessment (p = 0.0412) and the ultrasound score (p = 0.0211). No other baseline variable, notably BMI, was associated to 6-month abatacept response. CONCLUSIONS BMI does not influence the abatacept response in RA patients with active disease. During abatacept treatment, the clinical response can be achieved despite a condition of overweight or obesity.
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Affiliation(s)
- Marco Di Carlo
- Rheumatological Clinic, Università Politecnica delle Marche, Jesi (Ancona), Italy.
| | - Fausto Salaffi
- Rheumatological Clinic, Università Politecnica delle Marche, Jesi (Ancona), Italy
| | - Elisa Gremese
- Rheumatology Unit, Catholic University of the Sacred Heart, Rome, Italy.
| | - Florenzo Iannone
- Department of Emergency and Organ Transplantation, Rheumatology Unit, Policlinico, Università di Bari, Bari, Italy.
| | - Giovanni Lapadula
- Department of Emergency and Organ Transplantation, Rheumatology Unit, Policlinico, Università di Bari, Bari, Italy.
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166
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Ait-Oufella H, Libby P, Tedgui A. Anticytokine Immune Therapy and Atherothrombotic Cardiovascular Risk. Arterioscler Thromb Vasc Biol 2019; 39:1510-1519. [PMID: 31294625 PMCID: PMC6681658 DOI: 10.1161/atvbaha.119.311998] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 06/03/2019] [Indexed: 02/07/2023]
Abstract
Accumulating observations in humans and animals indicate that inflammation plays a key role in atherosclerosis development and subsequent complications. Moreover, the use of loss- or gain-of-function genetically modified, atherosclerosis-prone mice has provided strong experimental evidence for a causal role of innate and adaptive immunity in atherosclerosis and has revealed the pathogenic activity of proinflammatory cytokines, including TNF (tumor necrosis factor)-α, IL (interleukin)-1β, IL-6, and IL-18, and the atheroprotective effect of anti-inflammatory cytokines, including IL-10 and TGF-β. For the past 15 years, treatments using monoclonal antibodies specifically targeting cytokines, commonly referred as biological therapies, have transformed the treatment of chronic inflammatory diseases, such as rheumatoid arthritis or psoriasis, both conditions associated with increased cardiovascular risk. Analyzing the impact of anticytokine therapies on the cardiovascular outcomes of patients with chronic inflammatory diseases provides insight into the clinical relevance of experimental data on the role of inflammation in atherothrombotic cardiovascular diseases. CANTOS (Canakinumab Antiinflammatory Thrombosis Outcome Study) provided the first evidence that targeting inflammation in humans with atherosclerosis could improve clinical outcomes. Treatment with the anti-IL-1β antibody canakinumab significantly reduced recurrent cardiovascular events in individuals with stable coronary artery disease well-treated with standard-of-care measures. Other clinical studies support the protective effects of treatment with anti-TNF-α and anti-IL-6 receptor monoclonal antibodies on cardiovascular risk. Blockade of the IL-23/IL-17 axis, however, warrants caution as a cardiovascular intervention. Targeting this pathway has improved psoriasis but may augment cardiovascular risk in certain patients. Thus, careful consideration of the cardiovascular risk profile may influence the choice of the most appropriate treatment for patients with chronic inflammatory diseases.Visual Overview: An online visual overview is available for this article.
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Affiliation(s)
- Hafid Ait-Oufella
- Université de Paris, Inserm U970, Paris
Cardiovascular Research Center, Paris, France
- Service de Réanimation Médicale,
Hôpital Saint-Antoine, AP-HP, Sorbonne Université, Paris, France
| | - Peter Libby
- Brigham and Women’s Hospital, Harvard Medical
School, Boston, Massachusetts, United States of America
| | - Alain Tedgui
- Université de Paris, Inserm U970, Paris
Cardiovascular Research Center, Paris, France
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167
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Vieira-Sousa E, Eusébio M, Ávila-Ribeiro P, Khmelinskii N, Cruz-Machado R, Rocha TM, Bernardes M, Santos-Faria D, Silva JL, Santos H, Miguel C, Carvalho P, Costa T, Duarte AC, Meirinhos T, Nero P, Fonseca JE, Santos MJ. Real-world Longterm Effectiveness of Tumor Necrosis Factor Inhibitors in Psoriatic Arthritis Patients from the Rheumatic Diseases Portuguese Register. J Rheumatol 2019; 47:690-700. [DOI: 10.3899/jrheum.181272] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/15/2019] [Indexed: 01/30/2023]
Abstract
Objective.To assess longterm effectiveness of tumor necrosis factor inhibitors (TNFi) in patients with psoriatic arthritis (PsA) registered in the Rheumatic Diseases Portuguese Register, exposed to at least 1 TNFi, prospectively followed between 2001 and 2017.Methods.Kaplan-Meier analysis was performed for first-, second-, and third-line TNFi. Responses included European League Against Rheumatism (EULAR) criteria, Disease Activity Index for Psoriatic Arthritis (DAPSA), minimal disease activity (MDA), and Ankylosing Spondylitis Disease Activity Score (ASDAS) at 3 and 6 months. Baseline predictors of discontinuation and response were studied using Cox and multivariable multinomial/logistic regression models.Results.The 750 patients with PsA showed drug retention of 4.1 ± 3.4 years (followup 5.8 ± 3.8 yrs) for first TNFi. Switching to a second (189 patients) or third (50 patients) TNFi further decreased survival by 1.1 years. Female sex, higher baseline 28-joint count Disease Activity Score, and infliximab were predictors of first TNFi discontinuation. After 6 months of the first TNFi, 48.7% of patients achieved a good EULAR criteria response and 20.9% were in DAPSA remission. There were 11.4% in MDA, and 56.4% had a good ASDAS. Responses to the second TNFi were significantly inferior compared to responses to the first TNFi. Female sex and higher baseline Health Assessment Questionnaire–Disability Index were negatively associated with good EULAR response at 3 months, and obesity decreased the chance of response at 6 months.Conclusion.In this study, switching to a second or third TNFi was associated with significantly lower drug survival and response rates for patients with axial and peripheral PsA subtypes. More successful therapeutic approaches will require considering the effect of sex and obesity on TNFi effectiveness.
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168
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Pinter A, Gerdes S, Papavassilis C, Reinhardt M. Characterization of responder groups to secukinumab treatment in moderate to severe plaque psoriasis. J DERMATOL TREAT 2019; 31:769-775. [PMID: 31287332 DOI: 10.1080/09546634.2019.1626973] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Background: Secukinumab is a fully human monoclonal antibody that neutralizes interleukin-17A (IL-17A), a key cytokine involved in the development of psoriasis. Here, we characterized secukinumab treatment-responder profiles and identified baseline factors affecting response.Methods: Pooled phase 3 data from moderate to severe plaque psoriasis patients treated with secukinumab for 16 weeks (FIXTURE [NCT01358578], ERASURE [NCT01365455], and CLEAR [NCT02074982]) were analyzed to characterize responder groups, identifying factors associated with treatment response, and to evaluate early response kinetics as a biomarker for treatment response. Etanercept and ustekinumab were evaluated as comparators.Results: Patients treated with secukinumab 300 mg (n = 867), ustekinumab 45/90 mg (n = 318), and etanercept 50 mg (n = 298) were evaluated. For secukinumab 300 mg, more patients were in higher responder groups than etanercept and ustekinumab. In higher response groups, fewer patients had previous systemic or biologic treatment, metabolic syndrome, hypertension, diabetes, and fewer were current smokers. Mean body weight, waist circumference, and BMI decreased as response level increased. Early onset of response (PASI50 at Week 4 or 8) correlated with sustained efficacy at Week 16.Conclusions: Baseline factors, including weight and cardiometabolic status, were associated with response to secukinumab. Early onset of response may indicate treatment efficacy later on.
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Affiliation(s)
- Andreas Pinter
- Department of Dermatology, Venereology and Allergology, University Hospital Frankfurt, Frankfurt am Main, Germany
| | - Sascha Gerdes
- Psoriasis-Center, Department of Dermatology, University Medical Center Schleswig-Holstein, Kiel, Germany
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169
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Psoriatic arthritis and obesity: the role of anti-IL-12/IL-23 treatment. Clin Rheumatol 2019; 38:2355-2362. [DOI: 10.1007/s10067-019-04663-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 06/21/2019] [Accepted: 06/25/2019] [Indexed: 12/21/2022]
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170
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Lee YX, Kwan YH, Lim KK, Tan CS, Lui NL, Phang JK, Chew EH, Ostbye T, Thumboo J, Fong W. A systematic review of the association of obesity with the outcomes of inflammatory rheumatic diseases. Singapore Med J 2019; 60:270-280. [PMID: 31243460 DOI: 10.11622/smedj.2019057] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This was a systematic review of the literature on the association between obesity and the outcome of inflammatory rheumatic diseases. We conducted a literature search using PubMed®, Embase and PsycINFO®. Articles were classified into three categories based on the effects of obesity on the outcomes of inflammatory rheumatic diseases. The subject population, country, type of studies, number of patients, measurement of obesity and outcomes assessed were presented. Quality was appraised using Kmet et al's criteria. 4,331 articles were screened and 60 were relevant to the objective. Obesity had a negative, positive and neutral association with outcomes of inflammatory rheumatic diseases in 38 (63.3%) studies with 57,612 subjects, 11 (18.3%) studies with 3,866 subjects, and 11 (18.3%) studies with 3,834 subjects, respectively. In most studies, the disease population had been diagnosed with rheumatoid arthritis (RA). Tumour necrosis factor-α inhibitors were mostly associated with negative outcomes. More studies examining subjects outside Europe and North America and diseases other than RA are warranted.
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Affiliation(s)
- Yi Xuan Lee
- Department of Pharmacy, National University of Singapore, Singapore
| | - Yu Heng Kwan
- Programme in Health Services and Systems Research, Duke-NUS Medical School, Singapore
| | - Ka Keat Lim
- Programme in Health Services and Systems Research, Duke-NUS Medical School, Singapore
| | - Chuen Seng Tan
- Saw Swee Hock School of Public Health, National University of Singapore, Singapore
| | - Nai Lee Lui
- Department of Rheumatology and Immunology, Singapore General Hospital, Singapore
| | - Jie Kie Phang
- Department of Rheumatology and Immunology, Singapore General Hospital, Singapore
| | - Eng Hui Chew
- Department of Pharmacy, National University of Singapore, Singapore
| | - Truls Ostbye
- Programme in Health Services and Systems Research, Duke-NUS Medical School, Singapore
| | - Julian Thumboo
- Department of Rheumatology and Immunology, Singapore General Hospital, Singapore
| | - Warren Fong
- Department of Rheumatology and Immunology, Singapore General Hospital, Singapore
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171
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Cohen RA, Gullett JM, Woods AJ, Porges EC, Starkweather A, Jackson-Cook CK, Lynch-Kelly DL, Lyon DE. Cytokine-associated fatigue prior to, during, and post-chemotherapy for breast cancer. J Neuroimmunol 2019; 334:577001. [PMID: 31260949 DOI: 10.1016/j.jneuroim.2019.577001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 06/20/2019] [Accepted: 06/21/2019] [Indexed: 02/06/2023]
Affiliation(s)
- R A Cohen
- Center for Cognitive Aging and Memory, Department of Clinical & Health Psychology, University of Florida, 1225 Center Drive, PO Box 100165, Gainesville, FL 32605-0165, USA.
| | - J M Gullett
- Center for Cognitive Aging and Memory, Department of Clinical & Health Psychology, University of Florida, 1225 Center Drive, PO Box 100165, Gainesville, FL 32605-0165, USA.
| | - A J Woods
- Center for Cognitive Aging and Memory, Department of Clinical & Health Psychology, University of Florida, 1225 Center Drive, PO Box 100165, Gainesville, FL 32605-0165, USA.
| | - E C Porges
- Center for Cognitive Aging and Memory, Department of Clinical & Health Psychology, University of Florida, 1225 Center Drive, PO Box 100165, Gainesville, FL 32605-0165, USA.
| | - A Starkweather
- Center for Advancement in Managing Pain, University of Connecticut, School of Nursing, United States.
| | - C K Jackson-Cook
- Cytogenetic Diagnostics Laboratory, Virginia Commonwealth University, Colleen, United States.
| | - D L Lynch-Kelly
- College of Nursing, University of Florida, 1225 Center Drive, PO Box 100197, Gainesville, FL 32610-0197, USA
| | - D E Lyon
- College of Nursing, University of Florida, 1225 Center Drive, PO Box 100197, Gainesville, FL 32610-0197, USA.
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172
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Chimenti MS, Triggianese P, De Martino E, Conigliaro P, Fonti GL, Sunzini F, Caso F, Perricone C, Costa L, Perricone R. An update on pathogenesis of psoriatic arthritis and potential therapeutic targets. Expert Rev Clin Immunol 2019; 15:823-836. [PMID: 31177868 DOI: 10.1080/1744666x.2019.1627876] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Introduction: Innate immune response and bone remodeling are key factors contributing to the pathogenesis of psoriatic arthritis (PsA). Moreover, the evidence of autoantibodies in patients' sera suggests an autoimmune side in PsA. Besides the immune pathways, studies strongly support the role of genetic risk alleles in affecting the clinical heterogeneity of PsA as well as the response to therapy. A good clinical response to treatment, indeed, represents a challenge in PsA patients and the identification of patient-targeted therapies is still a critical issue. Areas covered: We performed a systematic review aiming at describing new evidence on PsA pathogenesis and treatments. Reported items for systematic reviews (PRISMA checklist) were analyzed. Studies included from the PubMed database addressed the following items: innate immunity, autoimmunity, bone remodeling, and therapeutic targets in PsA; time frame of research 1970-2019. Specifically, we reviewed data on IL-17 inhibitors, abatacept, JAK inhibitors, ABT 122, and A (3) adenosine receptors agonist, CF101. Expert opinion: In PsA an intriguing pathogenetic network has been documented. Several biological and synthetic drugs are promising in terms of efficacy and safety profile.
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Affiliation(s)
- Maria Sole Chimenti
- a Rheumatology, allergology and clinical immunology, Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy
| | - Paola Triggianese
- a Rheumatology, allergology and clinical immunology, Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy
| | - Erica De Martino
- a Rheumatology, allergology and clinical immunology, Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy
| | - Paola Conigliaro
- a Rheumatology, allergology and clinical immunology, Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy
| | - Giulia Lavinia Fonti
- a Rheumatology, allergology and clinical immunology, Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy
| | - Flavia Sunzini
- a Rheumatology, allergology and clinical immunology, Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy
| | - Francesco Caso
- b Rheumatology Unit, Department of Clinical Medicine and Surgery, School of Medicine and Surgery, University Federico II , Naples , Italy
| | - Carlo Perricone
- c Arthritis Center, Department of Internal Medicine and Medical Specialties, Sapienza University of Rome , Rome , Italy
| | - Luisa Costa
- b Rheumatology Unit, Department of Clinical Medicine and Surgery, School of Medicine and Surgery, University Federico II , Naples , Italy
| | - Roberto Perricone
- a Rheumatology, allergology and clinical immunology, Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy
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173
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Argollo M, Gilardi D, Peyrin-Biroulet C, Chabot JF, Peyrin-Biroulet L, Danese S. Comorbidities in inflammatory bowel disease: a call for action. Lancet Gastroenterol Hepatol 2019; 4:643-654. [PMID: 31171484 DOI: 10.1016/s2468-1253(19)30173-6] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 03/17/2019] [Accepted: 03/18/2019] [Indexed: 02/06/2023]
Abstract
Inflammatory bowel disease (IBD) is a chronic systemic inflammatory condition. Previously, the focus has been on extraintestinal manifestations of IBD, including arthritis, psoriasis, and uveitis. Although comorbidities have long been the subject of intensive research in other chronic inflammatory diseases such as rheumatoid arthritis, the concept of comorbidities is only beginning to emerge in IBD. Several comorbid conditions have been proposed to be related to IBD, including cardiovascular disease, neuropsychological disorders, and metabolic syndrome. Recognition of these conditions and their treatment could lead to better management of IBD. This Review aims to explore current knowledge regarding classic and emerging comorbidities related to IBD.
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Affiliation(s)
- Marjorie Argollo
- IBD Center, Department of Gastroenterology, Humanitas Clinical and Research Centre, Milan, Italy; Universidade Federal de São Paulo, São Paulo, Brazil
| | - Daniela Gilardi
- IBD Center, Department of Gastroenterology, Humanitas Clinical and Research Centre, Milan, Italy
| | | | - Jean-Francois Chabot
- Department of Pneumology, Nancy University Hospital, Lorraine University, Nancy, France
| | - Laurent Peyrin-Biroulet
- Department of Gastroenterology and Inserm U954, Nancy University Hospital, Lorraine University, Nancy, France
| | - Silvio Danese
- IBD Center, Department of Gastroenterology, Humanitas Clinical and Research Centre, Milan, Italy; Department of Biomedical Sciences, Humanitas University, Milan, Italy.
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174
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Arad U, Elkayam O. Association of Serum Tocilizumab Trough Concentrations with Clinical Disease Activity Index Scores in Adult Patients with Rheumatoid Arthritis. J Rheumatol 2019; 46:1577-1581. [PMID: 31154416 DOI: 10.3899/jrheum.181431] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/16/2019] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To determine whether serum trough concentrations of tocilizumab (TCZ) administered as a fixed-dose subcutaneous (SC) injection for the treatment of rheumatoid arthritis (RA) are associated with disease activity responses. METHODS We analyzed datasets from the Israeli branch of the multinational TOZURA study, which evaluated a weekly subcutaneous TCZ treatment regimen in a real-life clinical setting. Generalized estimating equations (GEE) were used to evaluate associations between the TCZ levels and the study outcomes. Linear models and GEE were used to evaluate associations between patient characteristics and TCZ levels. RESULTS A significant association between the TCZ concentrations and the change in the Clinical Disease Activity Index (CDAI) score was observed. In a multivariate binary GEE model, every increase of 10 µg/ml in the concentration of TCZ was associated with being in a state of CDAI remission or low disease activity (OR 1.41) versus a moderate/high disease activity state. An OR of 1.52 was associated with being in a state of Health Assessment Questionnaire-Disability Index remission. In univariate linear models, there was an inverse association between body mass index (BMI) and improvement in the CDAI score, and the BMI score was associated with lower TCZ concentrations. Patients who weighed > 100 kg had lower TCZ concentrations. CONCLUSION In the first 24 weeks of treatment with SC TCZ injections, TCZ concentrations were associated with clinical improvement, while body weight and BMI were inversely associated with TCZ concentrations. Personalizing the dose of SC TCZ to body weight may improve outcomes of clinical disease activity in patients with RA.
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Affiliation(s)
- Uri Arad
- From the Department of Rheumatology, Tel Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel. .,U. Arad, MD, PhD, Consultant Rheumatologist, Lecturer, Department of Rheumatology, Tel Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel Aviv University; O. Elkayam, MD, Head of Department of Rheumatology, Associate Professor, Department of Rheumatology, Tel Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel Aviv University.
| | - Ori Elkayam
- From the Department of Rheumatology, Tel Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel Aviv University, Tel-Aviv, Israel.,U. Arad, MD, PhD, Consultant Rheumatologist, Lecturer, Department of Rheumatology, Tel Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel Aviv University; O. Elkayam, MD, Head of Department of Rheumatology, Associate Professor, Department of Rheumatology, Tel Aviv Sourasky Medical Center, and Sackler Faculty of Medicine, Tel Aviv University
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175
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McInnes IB, Ferraccioli G, D'Agostino MA, Le Bars M, Banerjee S, Ahmad HA, Elbez Y, Mease PJ. Body mass index and treatment response to subcutaneous abatacept in patients with psoriatic arthritis: a post hoc analysis of a phase III trial. RMD Open 2019; 5:e000934. [PMID: 31245054 PMCID: PMC6560664 DOI: 10.1136/rmdopen-2019-000934] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 04/30/2019] [Accepted: 05/03/2019] [Indexed: 12/23/2022] Open
Abstract
Objective This post hoc analysis of the phase III Active PSoriaTic Arthritis RAndomizEd TriAl (ASTRAEA) evaluated the effect of baseline body mass index (BMI) on subsequent response to subcutaneous (SC) abatacept in patients with psoriatic arthritis (PsA). Methods In ASTRAEA, patients with active PsA were randomised (1:1) to receive blinded weekly SC abatacept 125 mg or placebo for 24 weeks. Treatment response at week 24 was assessed by the proportions of patients achieving American College of Rheumatology 20% improvement response, Disease Activity Score in 28 joints (DAS28 (C reactive protein (CRP))) ≤3.6 and <2.6, Health Assessment Questionnaire-Disability Index reduction from baseline ≥0.35 and radiographic non-progression (defined as change from baseline ≤0 in PsA-modified total Sharp/van der Heijde score). Responses were stratified by baseline BMI (underweight/normal, <25 kg/m2; overweight, 25–30 kg/m2; obese, >30 kg/m2) and compared in univariate and multivariate models. Results Of 212/213 and 210/211 patients with baseline BMI data in the abatacept and placebo groups, respectively, 15% and 19% were underweight/normal, 36% and 27% were overweight, and 49% and 54% were obese. After adjusting for baseline characteristics, there were no significant differences for any outcome measure at week 24 with abatacept in the overweight or obese versus underweight/normal subgroup. In the placebo group, patients in the obese versus underweight/normal subgroup were significantly less likely to achieve DAS28 (CRP) <2.6 at week 24 (OR 0.26; 95% CI 0.08 to 0.87; p=0.03). Conclusion BMI does not impact clinical or radiographic response to SC abatacept in patients with PsA. Trial registration number NCT01860976.
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Affiliation(s)
- Iain B McInnes
- Institute of Infection, Immunity & Inflammation, University of Glasgow, Glasgow, UK
| | - Gianfranco Ferraccioli
- Division of Rheumatology, IRCCS-Fondazione Policlinico Universitario A. Gemelli-Catholic University of the Sacred Heart, Rome, Italy
| | - Maria-Antonietta D'Agostino
- Rheumatology, Université Versailles Saint-Quentin en Yvelines, Ambroise Paré Hospital, APHP, Boulogne-Billancourt, France
| | | | | | | | | | - Philip J Mease
- Swedish Medical Center and University of Washington, Seattle, Washington, USA
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176
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Mahil SK, McSweeney SM, Kloczko E, McGowan B, Barker JN, Smith CH. Does weight loss reduce the severity and incidence of psoriasis or psoriatic arthritis? A Critically Appraised Topic. Br J Dermatol 2019; 181:946-953. [PMID: 30729517 DOI: 10.1111/bjd.17741] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/04/2019] [Indexed: 12/13/2022]
Abstract
CLINICAL QUESTION Does weight loss reduce the severity and incidence of psoriasis or psoriatic arthritis (PsA) in obese individuals? BACKGROUND Obesity presents a rising public health challenge and is more prevalent among individuals with psoriasis or PsA than in the general population. Longitudinal population-based studies suggest a causal role for obesity in psoriasis and PsA onset and that obesity drives greater disease severity. METHODS We systematically reviewed evidence within the MEDLINE, Embase and CENTRAL databases and clinical trials registries examining lifestyle, pharmacological and surgical weight loss interventions in the treatment and prevention of psoriasis and PsA in obese individuals. Meta-analysis was conducted using random-effects models, followed by sensitivity analyses. RESULTS Of 176 full-text articles reviewed, 14 met the inclusion criteria. Meta-analysis of six randomized control trials (RCTs) confirmed that weight loss following lifestyle interventions (diet or physical activity) improves psoriasis compared with control [mean change in Psoriasis Area and Severity Index -2·59, 95% confidence interval (CI) -4·09 to -1·09; P < 0·001]. One RCT demonstrated a greater likelihood of achieving minimal PsA activity following diet-induced weight loss (odds ratio 4·20, 95% CI 1·82-9·66; P < 0·001). Three studies of pharmacological treatments reported conflicting results, and no RCTs of bariatric surgery were identified. Two cohort studies suggested that bariatric surgery, particularly gastric bypass, reduces the risk of developing psoriasis (hazard ratio 0·52, 95% CI 0·33-0·81; P < 0·01). CONCLUSIONS These limited data indicate that weight loss can improve pre-existing psoriasis and PsA, and prevent the onset of psoriasis in obese individuals. Together with the National Institute for Health and Care Excellence obesity guidance, this informed a local obesity screening and management pathway, providing multidisciplinary weight loss interventions alongside conventional skin-focused care for patients with psoriasis.
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Affiliation(s)
- S K Mahil
- St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, U.K
| | - S M McSweeney
- St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, U.K
| | - E Kloczko
- St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, U.K
| | - B McGowan
- Department of Diabetes and Endocrinology, Guy's and St Thomas' NHS Foundation Trust, London, U.K
| | - J N Barker
- St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, U.K
| | - C H Smith
- St John's Institute of Dermatology, Guy's and St Thomas' NHS Foundation Trust, London, U.K
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Kennedy NA, Heap GA, Green HD, Hamilton B, Bewshea C, Walker GJ, Thomas A, Nice R, Perry MH, Bouri S, Chanchlani N, Heerasing NM, Hendy P, Lin S, Gaya DR, Cummings JRF, Selinger CP, Lees CW, Hart AL, Parkes M, Sebastian S, Mansfield JC, Irving PM, Lindsay J, Russell RK, McDonald TJ, McGovern D, Goodhand JR, Ahmad T. Predictors of anti-TNF treatment failure in anti-TNF-naive patients with active luminal Crohn's disease: a prospective, multicentre, cohort study. Lancet Gastroenterol Hepatol 2019; 4:341-353. [PMID: 30824404 DOI: 10.1016/s2468-1253(19)30012-3] [Citation(s) in RCA: 402] [Impact Index Per Article: 80.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Revised: 12/13/2018] [Accepted: 12/18/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND Anti-TNF drugs are effective treatments for the management of Crohn's disease but treatment failure is common. We aimed to identify clinical and pharmacokinetic factors that predict primary non-response at week 14 after starting treatment, non-remission at week 54, and adverse events leading to drug withdrawal. METHODS The personalised anti-TNF therapy in Crohn's disease study (PANTS) is a prospective observational UK-wide study. We enrolled anti-TNF-naive patients (aged ≥6 years) with active luminal Crohn's disease at the time of first exposure to infliximab or adalimumab between March 7, 2013, and July 15, 2016. Patients were evaluated for 12 months or until drug withdrawal. Demographic data, smoking status, age at diagnosis, disease duration, location, and behaviour, previous medical and drug history, and previous Crohn's disease-related surgeries were recorded at baseline. At every visit, disease activity score, weight, therapy, and adverse events were recorded; drug and total anti-drug antibody concentrations were also measured. Treatment failure endpoints were primary non-response at week 14, non-remission at week 54, and adverse events leading to drug withdrawal. We used regression analyses to identify which factors were associated with treatment failure. FINDINGS We enrolled 955 patients treated with infliximab (753 with originator; 202 with biosimilar) and 655 treated with adalimumab. Primary non-response occurred in 295 (23·8%, 95% CI 21·4-26·2) of 1241 patients who were assessable at week 14. Non-remission at week 54 occurred in 764 (63·1%, 60·3-65·8) of 1211 patients who were assessable, and adverse events curtailed treatment in 126 (7·8%, 6·6-9·2) of 1610 patients. In multivariable analysis, the only factor independently associated with primary non-response was low drug concentration at week 14 (infliximab: odds ratio 0·35 [95% CI 0·20-0·62], p=0·00038; adalimumab: 0·13 [0·06-0·28], p<0·0001); the optimal week 14 drug concentrations associated with remission at both week 14 and week 54 were 7 mg/L for infliximab and 12 mg/L for adalimumab. Continuing standard dosing regimens after primary non-response was rarely helpful; only 14 (12·4% [95% CI 6·9-19·9]) of 113 patients entered remission by week 54. Similarly, week 14 drug concentration was also independently associated with non-remission at week 54 (0·29 [0·16-0·52] for infliximab; 0·03 [0·01-0·12] for adalimumab; p<0·0001 for both). The proportion of patients who developed anti-drug antibodies (immunogenicity) was 62·8% (95% CI 59·0-66·3) for infliximab and 28·5% (24·0-32·7) for adalimumab. For both drugs, suboptimal week 14 drug concentrations predicted immunogenicity, and the development of anti-drug antibodies predicted subsequent low drug concentrations. Combination immunomodulator (thiopurine or methotrexate) therapy mitigated the risk of developing anti-drug antibodies (hazard ratio 0·39 [95% CI 0·32-0·46] for infliximab; 0·44 [0·31-0·64] for adalimumab; p<0·0001 for both). For infliximab, multivariable analysis of immunododulator use, and week 14 drug and anti-drug antibody concentrations showed an independent effect of immunomodulator use on week 54 non-remission (odds ratio 0·56 [95% CI 0·38-0·83], p=0·004). INTERPRETATION Anti-TNF treatment failure is common and is predicted by low drug concentrations, mediated in part by immunogenicity. Clinical trials are required to investigate whether personalised induction regimens and treatment-to-target dose intensification improve outcomes. FUNDING Guts UK, Crohn's and Colitis UK, Cure Crohn's Colitis, AbbVie, Merck Sharp and Dohme, Napp Pharmaceuticals, Pfizer, and Celltrion.
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Affiliation(s)
- Nicholas A Kennedy
- Department of Gastroenterology, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK; Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, UK; Institute of Genetic and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Graham A Heap
- Department of Gastroenterology, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK
| | - Harry D Green
- Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, UK
| | - Benjamin Hamilton
- Department of Gastroenterology, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK
| | - Claire Bewshea
- Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, UK
| | - Gareth J Walker
- Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, UK
| | - Amanda Thomas
- Department of Gastroenterology, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK
| | - Rachel Nice
- Department of Blood Science, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK
| | - Mandy H Perry
- Department of Blood Science, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK
| | - Sonia Bouri
- Department of Gastroenterology, St Mark's Hospital, London North West Healthcare NHS Trust, Harrow, UK
| | - Neil Chanchlani
- Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, UK
| | - Neel M Heerasing
- Department of Gastroenterology, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK
| | - Peter Hendy
- Department of Gastroenterology, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK
| | - Simeng Lin
- Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, UK
| | - Daniel R Gaya
- Department of Gastroenterology, Glasgow Royal Infirmary, NHS Greater Glasgow and Clyde, Glasgow, UK
| | - J R Fraser Cummings
- Department of Gastroenterology, University Hospital Southampton NHS Foundation Trust, Southampton, UK; Faculty of Experimental Medicine, University of Southampton, Southampton, UK
| | - Christian P Selinger
- Leeds Gastroenterology Institute, Leeds Teaching Hospitals NHS Trust, St James University Hospital, Leeds, UK
| | - Charlie W Lees
- Institute of Genetic and Molecular Medicine, University of Edinburgh, Edinburgh, UK; Department of Gastroenterology, Western General Hospital, NHS Lothian, Edinburgh, UK
| | - Ailsa L Hart
- Department of Gastroenterology, St Mark's Hospital, London North West Healthcare NHS Trust, Harrow, UK
| | - Miles Parkes
- Department of Gastroenterology, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Shaji Sebastian
- Gastroenterology and Hepatology, Hull and East Yorkshire Hospitals NHS Trust, Hull, UK
| | - John C Mansfield
- Department of Gastroenterology, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Peter M Irving
- Department of Gastroenterology, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - James Lindsay
- Department of Gastroenterology, The Royal London Hospital, Barts Health NHS Trust, London, UK
| | - Richard K Russell
- Department of Paediatric Gastroenterology, Royal Hospital for Children UK, NHS Greater Glasgow and Clyde, Glasgow, UK
| | - Timothy J McDonald
- Department of Blood Science, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK
| | - Dermot McGovern
- F Widjaja Foundation Inflammatory Bowel and Immunobiology Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - James R Goodhand
- Department of Gastroenterology, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK; Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, UK
| | - Tariq Ahmad
- Department of Gastroenterology, Royal Devon and Exeter Hospital National Health Service (NHS) Foundation Trust, Exeter, UK; Exeter Inflammatory Bowel Disease and Pharmacogenetics Research Group, University of Exeter, Exeter, UK.
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Dalamaga M, Papadavid E. Can we better strategize our choice of pharmacotherapy for patients with co-morbid psoriasis and obesity? Expert Opin Pharmacother 2019; 20:1303-1308. [PMID: 31002541 DOI: 10.1080/14656566.2019.1603294] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Maria Dalamaga
- a Department of Biological Chemistry , Medical School, National and Kapodistrian University of Athens , Athens , Greece.,b 2nd Department of Dermatology and Venereal Diseases , Attikon General University Hospital, Medical School, National and Kapodistrian University of Athens , Athens , Greece
| | - Evangelia Papadavid
- b 2nd Department of Dermatology and Venereal Diseases , Attikon General University Hospital, Medical School, National and Kapodistrian University of Athens , Athens , Greece
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Augustin M, Thaci D, Eyerich K, Pinter A, Radtke M, Lauffer F, Mrowietz U, Gerdes S, Pariser D, Lebwohl M, Sieder C, Melzer N, Reich K. Continued treatment with secukinumab is associated with high retention or regain of response. Br J Dermatol 2019; 182:67-75. [PMID: 30972746 DOI: 10.1111/bjd.17991] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND Conventional analyses present aggregate data, masking late responders and efficacy reductions. Secukinumab, a fully human monoclonal antibody that selectively neutralizes interleukin (IL)-17A, shows sustained efficacy in moderate-to-severe psoriasis. OBJECTIVES To determine stability of response to secukinumab, changes in efficacy were assessed in individual patients. METHODS This is a post hoc analysis of two phase III randomized controlled trials, FIXTURE (trial registration: NCT01358578) and CLEAR (trial registration: NCT02074982). Patients received secukinumab 300 mg (FIXTURE and CLEAR), etanercept 50 mg (FIXTURE) or ustekinumab 45 or 90 mg (CLEAR) over 52 weeks. Mutually exclusive response categories were defined: ≥ 90% improvement in the Psoriasis Area and Severity Index (PASI 90) ('excellent'), ≥ 75% improvement in PASI (PASI 75) and < PASI 90 ('good') and < PASI 75 ('insufficient'). Reductions in efficacy were defined as shifts from higher to lower response categories between two consecutive visits maintained for a third consecutive visit. Loss of efficacy was defined as a reduction of efficacy resulting in 'insufficient' response. All comparisons are descriptive. RESULTS At 52 weeks, in CLEAR, 90·2% (303/336) of patients on secukinumab achieved stable efficacy without loss and 77·7% (261/336) showed stable efficacy without any reduction of response [74·3% (252/339) and 59·9% (203/339) of patients for ustekinumab]. In FIXTURE, 83·5% (273/327) and 66·4% (217/327) of patients on secukinumab had stable efficacy without loss or reduction of response [58·3% (190/326) and 42·6% (139/326) for etanercept]. Response was regained by continuing secukinumab treatment in 50% (8/16) of patients in CLEAR and 26% (9/34) in FIXTURE. Similar patterns were observed for other response definitions. CONCLUSIONS Efficacy with secukinumab was stable over 52 weeks of treatment in most patients. Continued treatment with secukinumab resulted in regain of efficacy in some patients. Persistent loss of response was uncommon. What's already known about this topic? Secukinumab, a fully human monoclonal antibody that selectively neutralizes interleukin (IL)-17A, shows significant and sustained efficacy in the treatment of moderate-to-severe psoriasis. Secondary loss of response may be experienced by a minority of patients treated with secukinumab, as with other biologics, but the extent of this and the potential for regain of efficacy with continued treatment is not well understood. What does this study add? To determine stability of response to secukinumab and inform clinical practice, changes in efficacy were assessed at individual patient level using response categories. Efficacy with secukinumab was stable over 52 weeks of treatment in most patients, and continued treatment with secukinumab resulted in efficacy regain after loss in some patients. Persistent loss of response was uncommon. Patient factors such as body weight may affect the likelihood of loss of efficacy.
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Affiliation(s)
- M Augustin
- Institute of Health Services Research in Dermatology and Nursing, University Medical Center of Hamburg Eppendorf, Germany
| | - D Thaci
- Comprehensive Centre of Inflammation Medicine, University of Lübeck, Lübeck, Germany
| | - K Eyerich
- Department of Dermatology and Allergy, Technical University of Munich, Munich, Germany
| | - A Pinter
- University Hospital Frankfurt, Frankfurt am Main, Germany
| | - M Radtke
- Institute of Health Services Research in Dermatology and Nursing, University Medical Center of Hamburg Eppendorf, Germany
| | - F Lauffer
- Department of Dermatology and Allergy, Technical University of Munich, Munich, Germany
| | - U Mrowietz
- Psoriasis-Center, Department of Dermatology, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - S Gerdes
- Psoriasis-Center, Department of Dermatology, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - D Pariser
- Eastern Virginia Medical School and Virginia Clinical Research, Inc., Norfolk, VA, U.S.A
| | - M Lebwohl
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, U.S.A
| | - C Sieder
- Novartis Pharma GmbH, Nürnberg, Germany
| | - N Melzer
- Novartis Pharma GmbH, Nürnberg, Germany
| | - K Reich
- Dermatologikum Berlin and SCIderm Research Institute, Hamburg, Germany
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Impact of Obesity on Disease Activity and Patient-Reported Outcomes Measurement Information System (PROMIS) in Inflammatory Bowel Diseases. Am J Gastroenterol 2019; 114:630-639. [PMID: 30865012 PMCID: PMC6824268 DOI: 10.14309/ajg.0000000000000197] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
INTRODUCTION We conducted a cohort study on the impact of obesity on disease activity and Patient-Reported Outcomes Measurement Information System (PROMIS) measures in the inflammatory bowel disease (IBD) Partners cohort. METHODS We performed a cross-sectional and longitudinal study within IBD Partners, an internet-based cohort of >15,000 patients living with Crohn's disease (CD) and ulcerative colitis (UC). We included adult patients with IBD, with recorded body mass index (BMI), with at least 6 months of follow-up, excluding patients with BMI < 18.5 kg/m. We evaluated the independent effect of World Health Organization classes of obesity on risk of clinical relapse or persistent disease activity (using validated disease activity indexes) and PROMIS measures, using multivariate logistic regression and linear regression, respectively. RESULTS We included 7,296 patients with IBD (4,748 patients with CD, 19.5% obese; 2,548 patients with UC with intact colon, 20.3% obese). Obesity was independently, and in a dose-dependent fashion, associated with an increased risk of persistent disease activity or relapse in both patients with CD (class II or III obesity vs normal BMI: adjusted odds ratio, 1.86; 95% confidence interval, 1.30-2.68) and UC (adjusted odds ratio, 2.97; 95% confidence interval, 1.75-5.17). Obesity was also independently associated with higher anxiety, depression, fatigue, pain, and inferior social function scores in patients with CD and UC at baseline and with worsening depression, fatigue, pain, and social function in patients with CD on longitudinal assessment. DISCUSSION Obesity at baseline is independently associated with worsening disease activity and PROMIS measures in patients with IBD.
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181
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Weaver KN, Gregory M, Syal G, Hoversten P, Hicks SB, Patel D, Christophi G, Beniwal-Patel P, Isaacs KL, Raffals L, Deepak P, Herfarth HH, Barnes EL. Ustekinumab Is Effective for the Treatment of Crohn's Disease of the Pouch in a Multicenter Cohort. Inflamm Bowel Dis 2019; 25:767-774. [PMID: 30295784 DOI: 10.1093/ibd/izy302] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Indexed: 12/12/2022]
Abstract
BACKGROUND Crohn's disease (CD) of the pouch and chronic pouchitis occur in approximately 10% of patients after ileal pouch-anal anastomosis (IPAA) for refractory ulcerative colitis (UC) or UC-related dysplasia. The efficacy of anti-tumor necrosis factor (anti-TNF) agents and vedolizumab have been reported for the treatment of CD of the pouch and chronic pouchitis, but little is known regarding the use of ustekinumab in these settings. Our primary aim was to evaluate the efficacy of ustekinumab for these conditions. METHODS This is a retrospective, multicenter cohort study evaluating the efficacy of ustekinumab in patients with CD of the pouch and chronic pouchitis. Clinical response or remission was judged by the treating physician's assessment at 6 months. RESULTS Fifty-six patients (47 with CD of the pouch and 9 with chronic pouchitis) were included the study. Of these, 73% had previously been treated with either anti-TNF therapy, vedolizumab, or both after IPAA. Among patients with CD of the pouch and chronic pouchitis, 83% demonstrated clinical response 6 months after induction with ustekinumab. Responders demonstrated significantly less pouch inflammation on endoscopy when compared with nonresponders (29% vs 100%; P = 0.023). Higher mean body mass index at induction (26.3 vs 23.7; P = 0.033) and male sex (83% vs 30%; P = 0.014) were significant predictors of nonresponse to ustekinumab in those with CD of the pouch. CONCLUSION In this refractory patient population, ustekinumab appears to be a safe and effective treatment for chronic pouchitis and CD of the pouch in biologic-naïve patients and those with prior anti-TNF or vedolizumab therapy failure. 10.1093/ibd/izx005_video1 izy302.video1 5844889626001.
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Affiliation(s)
- Kimberly N Weaver
- Division of Gastroenterology and Hepatology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Martin Gregory
- Division of Gastroenterology and Hepatology, Washington University School of Medicine, St. Louis, Missouri
| | - Gaurav Syal
- Inflammatory Bowel Disease Center, Cedars-Sinai Medical Center, Los Angeles, California
| | | | | | - Devin Patel
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
| | - George Christophi
- Division of Gastroenterology and Hepatology, Washington University School of Medicine, St. Louis, Missouri.,Washington University Inflammatory Bowel Diseases Center, St. Louis, Missouri
| | - Poonam Beniwal-Patel
- Division of Gastroenterology and Hepatology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Kim L Isaacs
- Division of Gastroenterology and Hepatology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.,Multidisciplinary Center for Inflammatory Bowel Diseases.,Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Laura Raffals
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | - Parakkal Deepak
- Division of Gastroenterology and Hepatology, Washington University School of Medicine, St. Louis, Missouri.,Washington University Inflammatory Bowel Diseases Center, St. Louis, Missouri
| | - Hans H Herfarth
- Division of Gastroenterology and Hepatology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.,Multidisciplinary Center for Inflammatory Bowel Diseases.,Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Edward L Barnes
- Division of Gastroenterology and Hepatology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.,Multidisciplinary Center for Inflammatory Bowel Diseases
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182
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Cortellini A, Bersanelli M, Buti S, Cannita K, Santini D, Perrone F, Giusti R, Tiseo M, Michiara M, Di Marino P, Tinari N, De Tursi M, Zoratto F, Veltri E, Marconcini R, Malorgio F, Russano M, Anesi C, Zeppola T, Filetti M, Marchetti P, Botticelli A, Antonini Cappellini GC, De Galitiis F, Vitale MG, Rastelli F, Pergolesi F, Berardi R, Rinaldi S, Tudini M, Silva RR, Pireddu A, Atzori F, Chiari R, Ricciuti B, De Giglio A, Iacono D, Gelibter A, Occhipinti MA, Parisi A, Porzio G, Fargnoli MC, Ascierto PA, Ficorella C, Natoli C. A multicenter study of body mass index in cancer patients treated with anti-PD-1/PD-L1 immune checkpoint inhibitors: when overweight becomes favorable. J Immunother Cancer 2019; 7:57. [PMID: 30813970 PMCID: PMC6391761 DOI: 10.1186/s40425-019-0527-y] [Citation(s) in RCA: 257] [Impact Index Per Article: 51.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 02/05/2019] [Indexed: 12/14/2022] Open
Abstract
Background Recent evidence suggested a potential correlation between overweight and the efficacy of immune checkpoint inhibitors (ICIs) in cancer patients. Patients and methods We conducted a retrospective study of advanced cancer patients consecutively treated with anti-PD-1/PD-L1 inhibitors, in order to compare clinical outcomes according to baseline BMI levels as primary analysis. Based on their BMI, patients were categorized into overweight/obese (≥ 25) and non-overweight (< 25). A gender analysis was also performed, using the same binomial cut-off. Further subgroup analyses were performed categorizing patients into underweight, normal weight, overweight and obese. Results Between September 2013 and May 2018, 976 patients were evaluated. The median age was 68 years, male/female ratio was 663/313. Primary tumors were: NSCLC (65.1%), melanoma (18.7%), renal cell carcinoma (13.8%) and others (2.4%). ECOG-PS was ≥2 in 145 patients (14.9%). PD-1/PD-L1 inhibitors were administered as first-line treatment in 26.6% of cases. Median BMI was 24.9: 492 patients (50.6%) were non-overweight, 480 patients (50.4%) were overweight/obese. 25.2% of non-overweight patients experienced irAEs of any grade, while 55.6% of overweight/obese patients (p < 0.0001). ORR was significantly higher in overweight/obese patients compared to non-overweight (p < 0.0001). Median follow-up was 17.2 months. Median TTF, PFS and OS were significantly longer for overweight/obese patients in univariate (p < 0.0001, for all the survival intervals) and multivariate models (p = 0.0009, p < 0.0001 and p < 0.0001 respectively). The significance was confirmed in both sex, except for PFS in male patients (p = 0.0668). Conclusions Overweight could be considered a tumorigenic immune-dysfunction that could be effectively reversed by ICIs. BMI could be a useful predictive tool in clinical practice and a stratification factor in prospective clinical trials with ICIs. Electronic supplementary material The online version of this article (10.1186/s40425-019-0527-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alessio Cortellini
- Medical Oncology, St. Salvatore Hospital, L'Aquila, Italy. .,Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy. .,Medical Oncology Unit, St. Salvatore Hospital, Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Via Vetoio, 67100, L'Aquila, Italy.
| | - Melissa Bersanelli
- Medical Oncology, University Hospital of Parma, Parma, Italy.,Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Sebastiano Buti
- Medical Oncology, University Hospital of Parma, Parma, Italy
| | - Katia Cannita
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | | | - Fabiana Perrone
- Medical Oncology, University Hospital of Parma, Parma, Italy
| | - Raffaele Giusti
- Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | - Marcello Tiseo
- Medical Oncology, University Hospital of Parma, Parma, Italy.,Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Maria Michiara
- Medical Oncology, University Hospital of Parma, Parma, Italy
| | | | - Nicola Tinari
- Department of Medical, Oral & Biotechnological Sciences University G. D'Annunzio, Chieti-Pescara, Italy
| | - Michele De Tursi
- Department of Medical, Oral & Biotechnological Sciences University G. D'Annunzio, Chieti-Pescara, Italy
| | | | - Enzo Veltri
- Medical Oncology, Santa Maria Goretti Hospital, Latina, Italy
| | - Riccardo Marconcini
- Department of Oncology, University Hospital of Pisa, Istituto Toscano Tumori, Pisa, Italy
| | | | - Marco Russano
- Medical Oncology, Campus Bio-Medico University, Rome, Italy
| | - Cecilia Anesi
- Medical Oncology, Campus Bio-Medico University, Rome, Italy
| | - Tea Zeppola
- Medical Oncology, Campus Bio-Medico University, Rome, Italy
| | - Marco Filetti
- Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | - Paolo Marchetti
- Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy.,Istituto Dermopatico dell'Immacolata, IDI-IRCCS, Rome, Italy
| | - Andrea Botticelli
- Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | | | | | | | | | | | - Rossana Berardi
- Oncology Clinic, Università Politecnica delle Marche, Ospedali Riuniti di Ancona, Ancona, Italy
| | - Silvia Rinaldi
- Oncology Clinic, Università Politecnica delle Marche, Ospedali Riuniti di Ancona, Ancona, Italy
| | | | | | | | - Francesco Atzori
- Medical Oncology Unit, University Hospital of Cagliari, Cagliari, Italy
| | - Rita Chiari
- Medical Oncology, Santa Maria della Misericordia Hospital, Perugia, Italy
| | - Biagio Ricciuti
- Medical Oncology, Santa Maria della Misericordia Hospital, Perugia, Italy
| | - Andrea De Giglio
- Medical Oncology, Santa Maria della Misericordia Hospital, Perugia, Italy
| | - Daniela Iacono
- Pulmonary Oncology Unit, St. Camillo Forlanini Hospital, Rome, Italy
| | - Alain Gelibter
- Medical Oncology (B), Policlinico Umberto I, "Sapienza" University of Rome, Rome, Italy
| | | | - Alessandro Parisi
- Medical Oncology, St. Salvatore Hospital, L'Aquila, Italy.,Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Giampiero Porzio
- Medical Oncology, St. Salvatore Hospital, L'Aquila, Italy.,Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Maria Concetta Fargnoli
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy.,Dermatology, San Salvatore Hospital, L'Aquila, Italy
| | - Paolo Antonio Ascierto
- Melanoma, Cancer Immunotherapy and Development Therapeutics Unit, Istituto Nazionale Tumori-IRCCS Fondazione "G. Pascale", Naples, Italy
| | - Corrado Ficorella
- Medical Oncology, St. Salvatore Hospital, L'Aquila, Italy.,Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Clara Natoli
- Department of Medical, Oral & Biotechnological Sciences University G. D'Annunzio, Chieti-Pescara, Italy
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Chiricozzi A, Gisondi P, Girolomoni G. The pharmacological management of patients with comorbid psoriasis and obesity. Expert Opin Pharmacother 2019; 20:863-872. [DOI: 10.1080/14656566.2019.1583207] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Andrea Chiricozzi
- Institute of Dermatology, Catholic University - Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Paolo Gisondi
- Section of Dermatology and Venereology, Department of Medicine, University of Verona, Verona, Italy
| | - Giampiero Girolomoni
- Section of Dermatology and Venereology, Department of Medicine, University of Verona, Verona, Italy
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Pandey A, Saluja H, Mittal A. Impact of obesity on disease activity and other health outcome measures in ankylosing spondylitis. APOLLO MEDICINE 2019. [DOI: 10.4103/am.am_63_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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185
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Unravelling the pharmacogenomics of TNF inhibition. Nat Rev Rheumatol 2018; 14:689-690. [PMID: 30425331 DOI: 10.1038/s41584-018-0114-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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186
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Hernandez MV, Sanchez-Piedra C, Garcia-Magallon B, Cuende E, Manero J, Campos-Fernandez C, Martin-Domenech R, del Pino-Montes J, Manrique S, Castro-Villegas MC, Ruiz-Montesinos D, Sanchez-Alonso F, Diaz-Gonzalez F, Cea-Calvo L, Gómez-Reino JJ. Factors associated with long-term retention of treatment with golimumab in a real-world setting: an analysis of the Spanish BIOBADASER registry. Rheumatol Int 2018; 39:509-515. [DOI: 10.1007/s00296-018-4177-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 10/13/2018] [Indexed: 01/17/2023]
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187
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Lee SY, Sung JH. Gut-liver on a chip toward an in vitro model of hepatic steatosis. Biotechnol Bioeng 2018; 115:2817-2827. [PMID: 29981260 DOI: 10.1002/bit.26793] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 05/31/2018] [Accepted: 07/02/2018] [Indexed: 12/16/2022]
Abstract
Hepatic steatosis is a process of abnormal lipid deposition within the liver cells, often caused by excessive alcohol uptake or obesity. A conventional in vitro model for hepatic steatosis uses a liver cell culture, treated with fatty acids and measures accumulation of lipids within the cells. This model does not recapitulate the complex process of absorption and metabolism of digestive lipids. Here, we introduce a gut-liver chip, which mimics the gut absorption and hepatic metabolism in a microfluidic chip. Absorption of fatty acids through gut layer and subsequent deposition within liver cells was demonstrated. Tumor necrosis factor-α, butyrate, and α-lipoic acid were chosen as model molecules that can affect hepatic steatosis via different mechanisms, and their effects were evaluated. Our results suggest that the gut-liver chip can mimic the absorption and accumulation of fatty acids in the gut and the liver.
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Affiliation(s)
- Seung Yeon Lee
- Department of Chemical Engineering, Hongik University, Seoul, Korea
| | - Jong Hwan Sung
- Department of Chemical Engineering, Hongik University, Seoul, Korea
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188
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Correction: Obesity and response to anti-tumor necrosis factor-α agents in patients with select immune-mediated inflammatory diseases: A systematic review and meta-analysis. PLoS One 2018; 13:e0203499. [PMID: 30157248 PMCID: PMC6114914 DOI: 10.1371/journal.pone.0203499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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189
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Khairutdinov VR, Samtsov AV. Features of treatment of patients with psoriasis with metabolic syndrome. VESTNIK DERMATOLOGII I VENEROLOGII 2018. [DOI: 10.25208/0042-4609-2018-94-4-68-72] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
The article provides information on the prevalence of metabolic syndrome in patients with psoriasis. The criteria for the diagnosis of metabolic syndrome are presented. The General mechanisms of inflam - mation development in psoriasis and diseases forming the metabolic syndrome are described. Systemic subclinical inflammatory process developing in psoriasis and metabolic syndrome is considered as the main pathogenetic mechanism of their mutual negative influence. The difficulties of treatment of patients with psoriasis with metabolic syndrome are largely associated with the choice of a safe and effective method of treatment. The description of the drug apremilast (OTEZLA®) is a selective inhibitor of the enzyme phosphodiesterase 4, which may be the best drug in the therapy of patients with psoriasis and metabolic syndrome.
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190
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Singh S, Proudfoot J, Xu R, Sandborn WJ. Obesity and Response to Infliximab in Patients with Inflammatory Bowel Diseases: Pooled Analysis of Individual Participant Data from Clinical Trials. Am J Gastroenterol 2018; 113:883-889. [PMID: 29867171 PMCID: PMC7107273 DOI: 10.1038/s41395-018-0104-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 04/04/2018] [Indexed: 02/08/2023]
Abstract
OBJECTIVES To assess whether obesity may affect response to infliximab, we conducted an individual participant data pooled analysis using data from clinical trials of infliximab in inflammatory bowel diseases (IBD), using the Yale Open Data Access (YODA) Project. METHODS We analyzed individual participant data from four clinical trials of infliximab in adults with IBD (ACCENT-I, SONIC, ACT-1, and -2). Patients were categorized as obese (body mass index [BMI] ≥ 30 kg/m2) vs. non-obese, and by quartiles based on BMI or weight at time of trial entry. Primary outcome was clinical remission (Crohn's disease activity index [CDAI] < 150 or pediatric CDAI <10, Mayo Clinic Score <3); secondary outcomes were clinical response and mucosal healing. Multivariable logistic regression analysis was performed, after adjusting for sex, smoking, disease activity, and concomitant prednisone and/or immunomodulators. RESULTS We included 1205 infliximab-treated patients (mean age 37 years, 51.6% males, 14% obese). Obesity was not associated with odds of achieving clinical remission (obese vs. non-obese: adjusted OR, 0.93 [95% CI, 0.47-1.46]; Q4 vs. Q1: aOR, 0.94 [0.61-1.47], p-value for trend = 0.97), clinical response (Q4 vs. Q1: aOR, 0.84 [0.52-1.35], p = 0.45) or mucosal healing (Q4 vs. Q1: aOR, 1.13 [0.55-2.34], p = 0.95). These results were consistent across strata based on disease type (Crohn's disease and ulcerative colitis) and trial design (induction and maintenance therapy). CONCLUSIONS Based on individual participant data pooled analysis, obesity is not associated with inferior response to infliximab in patients with IBD. Future studies examining the association between obesity and fixed-dose therapies are warranted.
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Affiliation(s)
- Siddharth Singh
- Division of Gastroenterology, University of California San Diego, La Jolla, California;,Division of Biomedical Informatics, University of California San Diego, La Jolla, California
| | - James Proudfoot
- Biostatistics Unit, Altman Clinical and Translational Research Institute
| | - Ronghui Xu
- Department of Family Medicine and Public Health and Department of Mathematics, University of California San Diego, La Jolla, California
| | - William J. Sandborn
- Division of Gastroenterology, University of California San Diego, La Jolla, California
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