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Koureta E, Karatzas P, Kanellopoulos P, Papapanagiotou A, Lekakis V, Bamias G, Koutsoumpas A, Karamanolis G, Vlachogiannakos J, Papavassiliou AG, Papatheodoridis GV. The importance of vitamin D levels in patients with inflammatory bowel disease. J Physiol Biochem 2025:10.1007/s13105-025-01096-5. [PMID: 40418498 DOI: 10.1007/s13105-025-01096-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2025] [Accepted: 05/13/2025] [Indexed: 05/27/2025]
Abstract
The possible role of vitamin D (VD) in the pathogenesis of inflammatory bowel disease (IBD) and the associations between VD levels and IBD activity remain unclarified. We aimed to assess VD levels in IBD patients and their associations with IBD activity. We evaluated VD levels in Greek patients aged 18-75 years old with Crohn's disease (CD) or ulcerative colitis (UC). Patients were ineligible under the following conditions: history of enterectomy/right colectomy, receiving VD or agent(s) interfering with VD metabolism during the last three months and any comorbidities that influence VD levels. Epidemiologic characteristics, clinical course, laboratory investigations, endoscopic and histologic findings were recorded. In total, 122 patients with CD and 71 with UC were included. Most of them had low levels of VD (90% of CD and 91.5% of UC patients). Patients with clinically active CD or UC had lower levels of VD compared to those in remission (p = 0.009 and p = 0.033, respectively).CD patients with low levels of VD had higher CRP and stool calprotectin compared to those with normal levels of VD (P = 0.032 and P = 0.002, respectively). In UC, patients with pancolitis had lower VD levels compared to patients with proctitis (P = 0.036). In conclusion, the majority of Greek IBD patients have low levels of VD. Clinical activity is related to lower levels of VD. Low compared to normal levels of VD in CD patients are associated with higher CRP and calprotectin levels, so VD levels might serve as an activity marker.
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Affiliation(s)
- Evgenia Koureta
- 1st Department of Gastroenterology, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Pantelis Karatzas
- 1st Department of Gastroenterology, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Panagiotis Kanellopoulos
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Angeliki Papapanagiotou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Vasileios Lekakis
- 1st Department of Gastroenterology, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Giorgos Bamias
- GastreonteroIogy Unit, 3rd Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Sotiria", Athens, Greece
| | - Andreas Koutsoumpas
- 1st Department of Gastroenterology, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - George Karamanolis
- 1st Department of Gastroenterology, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Jiannis Vlachogiannakos
- 1st Department of Gastroenterology, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Athanasios G Papavassiliou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - George V Papatheodoridis
- 1st Department of Gastroenterology, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece.
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Gold S, Cohen L. Anti-TNF Therapies Other Than Infliximab for the Treatment of Pediatric Inflammatory Bowel Disease. PEDIATRIC INFLAMMATORY BOWEL DISEASE 2023:423-443. [DOI: 10.1007/978-3-031-14744-9_32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2025]
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Ishida N, Higuchi T, Miyazu T, Tamura S, Suzuki S, Tani S, Yamade M, Iwaizumi M, Hamaya Y, Osawa S, Furuta T, Sugimoto K. Serum N-terminal telopeptide of type I collagen as a biomarker for predicting bone density loss in patients with Crohn disease. PLoS One 2021; 16:e0250658. [PMID: 33905438 PMCID: PMC8078791 DOI: 10.1371/journal.pone.0250658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 04/12/2021] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The serum N-terminal telopeptide of type I collagen (NTx) is significantly higher in patients with Crohn disease (CD) than in healthy individuals and patients with ulcerative colitis. This study aimed to investigate whether an elevated serum NTx level is a risk predictor of osteoporosis in patients with CD. METHODS Based on whether the femoral Z-score decreased over a 2-year period, 41 CD patients were divided into the ΔZ-score <0 group (Z-score decreased) and the ΔZ-score ≥0 group (Z-score did not decrease). The risk predictors of a femoral Z-score decrease were examined. Furthermore, we investigated the correlations between the ΔZ-score (which represents the change in the Z-score over a 2-year period) and the mean levels of biomarkers, including the Crohn Disease Activity Index (CDAI), serum albumin, C-reactive protein, and bone metabolism markers (including NTx) measured initially (i.e., in our previous study) and 2 years later (present study). The relationships between anti-tumor necrosis factor α (anti-TNF-α) therapy and serum NTx levels were also examined. RESULTS Although there was no correlation between the mean CDAI and the ΔZ-score, the mean serum NTx and albumin levels were significantly correlated with the ΔZ-score (P<0.01 and P = 0.02, respectively). Furthermore, the femoral Z-score tended to be lower in the anti-TNF-α administration group than in the non-administration group. CONCLUSIONS These observations indicated that an elevated serum NTx could be a useful marker for predicting a decrease in the femoral bone mineral density in CD patients. Anti-TNF-α therapy maintained an elevated serum NTx level, suggesting that treatment with anti-TNF-α may help control increased bone resorption in CD patients.
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Affiliation(s)
- Natsuki Ishida
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Tomohiro Higuchi
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Takahiro Miyazu
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Satoshi Tamura
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Satoshi Suzuki
- Department of Endoscopic and Photodynamic Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Shinya Tani
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Mihoko Yamade
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Moriya Iwaizumi
- Department of Laboratory Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Yasushi Hamaya
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Satoshi Osawa
- Department of Endoscopic and Photodynamic Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Takahisa Furuta
- Center for Clinical Research, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Ken Sugimoto
- First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
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Sylvester FA. Effects of Digestive Diseases on Bone Metabolism. PEDIATRIC GASTROINTESTINAL AND LIVER DISEASE 2021:1023-1031.e7. [DOI: 10.1016/b978-0-323-67293-1.00091-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2025]
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van Bodegraven AA, Mulder CJ, Bravenboer N. Osteoporosis associated with gastrointestinal disorders: celiac and inflammatory bowel diseases. MARCUS AND FELDMAN'S OSTEOPOROSIS 2021:1069-1082. [DOI: 10.1016/b978-0-12-813073-5.00043-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2025]
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Kondo N, Mizouchi T, Kubota K, Endo N. A case of advanced ankylosing spondylitis complicated with cervical myelopathy due to ossification of yellow ligament in which bone histomorphometry demonstrated delayed calcification. Mod Rheumatol Case Rep 2020; 4:186-191. [PMID: 33087013 DOI: 10.1080/24725625.2019.1702496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
There is minimal information available about bone histomorphometric findings in patients with ankylosing spondylitis (AS). Herein, we report a case of advanced AS complicated with cervical myelopathy due to ossification of yellow ligament (OYL). A 37-year-old Japanese man who had been diagnosed with AS was administered adalimumab. Thirty-four months after adalimumab treatment, he reported upper extremity numbness, dexterity impairment and a spastic gait. Magnetic resonance imaging and computed tomography of the cervical spine revealed cervical cord compression at the C5/6 level due to OYL. After surgery including posterior spinal fusion and cervical cord decompression with iliac bone graft at C5 and C6 arches, these symptoms improved. Bone histomorphometry of his ilium revealed marked osteoid formation and reduced mineral apposition, suggesting a calcification disorder. In addition, 25-hydroxy vitamin D was abnormally low (<4 ng/mL), and at 148 pg/mL parathyroid hormone was higher than the reference value, indicating secondary hyperparathyroidism. This case warrants reporting because OYL was complicated with AS and bone histomorphometric findings in AS were evaluated.
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Affiliation(s)
- Naoki Kondo
- Division of Orthopedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Tatsuki Mizouchi
- Division of Orthopedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Kai Kubota
- Division of Orthopedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Naoto Endo
- Division of Orthopedic Surgery, Department of Regenerative and Transplant Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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The Interplay between Immune System and Microbiota in Osteoporosis. Mediators Inflamm 2020; 2020:3686749. [PMID: 32184701 PMCID: PMC7061131 DOI: 10.1155/2020/3686749] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 01/27/2020] [Accepted: 02/04/2020] [Indexed: 01/04/2023] Open
Abstract
Osteoporosis is a disease characterized by low bone mass and alterations of bone microarchitecture, with an increased risk of fractures. It is a multifactorial disorder that is more frequent in postmenopausal women but can be associated to other diseases (inflammatory and metabolic diseases). At present, several options are available to treat osteoporosis trying to block bone reabsorption and reduce the risk of fracture. Anyway, these drugs have safety and tolerance problems in long-term treatment. Recently, gut microbiota has been highlighted to have strong influence on bone metabolism, becoming a potential new target to modify bone mineral density. Such evidences are mainly based on mouse models, showing an involvement in modulating the interaction between the immune system and bone cells. Germ-free mice represent a basic model to understand the interaction between microbiota, immune system, and bone cells, even though data are controversial. Anyway, such models have unequivocally demonstrated a connection between such systems, even if the mechanism is unclear. Gut microbiota is a complex system that influences calcium and vitamin D absorption and modulates gut permeability, hormonal secretion, and immune response. A key role is played by the T helper 17 lymphocytes, TNF, interleukin 17, and RANK ligand system. Other important pathways include NOD1, NOD2, and Toll-like receptor 5. Prebiotics and probiotics are a wide range of substances and germs that can influence and modify microbiota. Several studies demonstrated actions by different prebiotics and probiotics in different animals, differing according to sex, age, and hormonal status. Data on the effects on humans are poor and controversial. Gut microbiota manipulation appears a possible strategy to prevent and treat osteopenia and/or osteoporosis as well as other possible bone alterations, even though further clinical studies are necessary to identify correct procedures in humans.
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Valero C, García MJ. Bone Metabolism in Inflammatory Bowel Disease and Celiac Disease. Clin Rev Bone Miner Metab 2019. [DOI: 10.1007/s12018-019-09269-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Sgambato D, Gimigliano F, De Musis C, Moretti A, Toro G, Ferrante E, Miranda A, De Mauro D, Romano L, Iolascon G, Romano M. Bone alterations in inflammatory bowel diseases. World J Clin Cases 2019; 7:1908-1925. [PMID: 31423424 PMCID: PMC6695530 DOI: 10.12998/wjcc.v7.i15.1908] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 06/14/2019] [Accepted: 06/26/2019] [Indexed: 02/05/2023] Open
Abstract
Inflammatory bowel diseases (IBDs) are characterized by a multifactorial partially unknown etiology that involves genetic, immunological and environmental factors. Up to 50% of IBD patients experience at least one extraintestinal manifestation; among them is the involvement of bone density which is referred to as metabolic bone disease (MBD), including osteopenia and osteoporosis. Bone alterations in IBDs population appear to have a multifactorial etiology: Decreased physical activity, inflammation-related bone resorption, multiple intestinal resections, dietary malabsorption of minerals and vitamin D deficiency, genetic factors, gut-bone immune signaling interaction, steroid treatment, microbiota and pathogenic micro-organisms interaction, and dietary malabsorption of minerals, that, all together or individually, may contribute to the alteration of bone mineral density. This review aims to summarize the prevalence and pathophysiology of metabolic bone alterations in IBD subjects outlining the main risk factors of bone fragility. We also want to underline the role of the screening and prophylaxis of bone alterations in Crohn's disease and ulcerative colitis patients and the importance of treating appropriately MBD.
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Affiliation(s)
- Dolores Sgambato
- Departments of Precision Medicine and Polyspecialistic Internal Medicine, University of Campania ‘‘Luigi Vanvitelli’’ and University Hospital, Naples 80131, Italy
| | - Francesca Gimigliano
- Department of Physical and Mental Health, University of Campania “Luigi Vanvitelli”, Naples 80131, Italy
| | - Cristiana De Musis
- Departments of Precision Medicine and Polyspecialistic Internal Medicine, University of Campania ‘‘Luigi Vanvitelli’’ and University Hospital, Naples 80131, Italy
| | - Antimo Moretti
- Department of Medical and Surgical Specialties and Dentistry, University of Campania “Luigi Vanvitelli”, Naples 80131, Italy
| | - Giuseppe Toro
- Department of Medical and Surgical Specialties and Dentistry, University of Campania “Luigi Vanvitelli”, Naples 80131, Italy
| | - Emanuele Ferrante
- Departments of Precision Medicine and Polyspecialistic Internal Medicine, University of Campania ‘‘Luigi Vanvitelli’’ and University Hospital, Naples 80131, Italy
| | - Agnese Miranda
- Departments of Precision Medicine and Polyspecialistic Internal Medicine, University of Campania ‘‘Luigi Vanvitelli’’ and University Hospital, Naples 80131, Italy
| | - Domenico De Mauro
- Departments of Precision Medicine and Polyspecialistic Internal Medicine, University of Campania ‘‘Luigi Vanvitelli’’ and University Hospital, Naples 80131, Italy
| | - Lorenzo Romano
- Surgical Digestive Endoscopy, Department of Clinical Medicine and Surgery, Federico II University, Naples 80131, Italy
| | - Giovanni Iolascon
- Department of Medical and Surgical Specialties and Dentistry, University of Campania “Luigi Vanvitelli”, Naples 80131, Italy
| | - Marco Romano
- Departments of Precision Medicine and Polyspecialistic Internal Medicine, University of Campania ‘‘Luigi Vanvitelli’’ and University Hospital, Naples 80131, Italy
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Ferreira PVDALS, Cavalcanti ADS, Silva GAPD. Linear growth and bone metabolism in pediatric patients with inflammatory bowel disease. JORNAL DE PEDIATRIA (VERSÃO EM PORTUGUÊS) 2019. [DOI: 10.1016/j.jpedp.2019.02.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Ferreira PVDALS, Cavalcanti ADS, Silva GAPD. Linear growth and bone metabolism in pediatric patients with inflammatory bowel disease. J Pediatr (Rio J) 2019; 95 Suppl 1:59-65. [PMID: 30562479 DOI: 10.1016/j.jped.2018.11.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 11/06/2018] [Accepted: 11/06/2018] [Indexed: 01/12/2023] Open
Abstract
OBJECTIVE To review the pathophysiology and evaluation methods of linear growth and bone mineral density in children and adolescents diagnosed with inflammatory bowel disease. SOURCE OF DATA Narrative review carried out in the PubMed and Scopus databases through an active search of the terms: inflammatory bowel disease, growth, failure to thrive, bone health, bone mineral density, and children and adolescents, related to the last ten years, searching in the title, abstract, or keyword fields. SYNTHESIS OF FINDINGS Inflammatory bowel diseases of childhood onset may present as part of the clinical picture of delayed linear growth in addition to low bone mineral density. The presence of a chronic inflammatory process with elevated serum levels of inflammatory cytokines negatively interferes with the growth rate and bone metabolism regulation, in addition to increasing energy expenditure, compromising nutrient absorption, and favoring intestinal protein losses. Another important factor is the chronic use of glucocorticoids, which decreases the secretion of growth hormone and the gonadotrophin pulses, causing pubertal and growth spurt delay. In addition to these effects, they inhibit the replication of osteoblastic lineage cells and stimulate osteoclastogenesis. CONCLUSION Insufficient growth and low bone mineral density in pediatric patients with inflammatory bowel disease are complex problems that result from multiple factors including chronic inflammation, malnutrition, decreased physical activity, late puberty, genetic susceptibility, and immunosuppressive therapies, such as glucocorticoids.
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Affiliation(s)
- Paloma Velez de Andrade Lima Simões Ferreira
- Universidade Federal de Pernambuco (UFPE), Programa de Pós-graduação em Saúde da Criança e do Adolescente (PPGSCA), Recife, PE, Brazil; Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Recife, PE, Brazil
| | | | - Giselia Alves Pontes da Silva
- Universidade Federal de Pernambuco (UFPE), Programa de Pós-graduação em Saúde da Criança e do Adolescente (PPGSCA), Recife, PE, Brazil; Universidade Federal de Pernambuco (UFPE), Departamento Materno-Infantil, Recife, PE, Brazil.
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Hakimian S, Kheder J, Arum S, Cave DR, Hyatt B. Re-evaluating osteoporosis and fracture risk in Crohn's disease patients in the era of TNF-alpha inhibitors. Scand J Gastroenterol 2018; 53:168-172. [PMID: 29235392 DOI: 10.1080/00365521.2017.1416161] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Patients with Crohn's disease (CD) are at increased risk for osteoporosis and fractures as compared to the general population. Recently, various cytokines including tumor necrosis factor (TNF)-alpha are found to play a major role in bone health. In this study, we aimed to gain a better understanding of the risk factors for osteoporosis and vitamin D deficiency in the era of TNF-alpha inhibitors. METHODS We conducted a retrospective review of 464 consecutive patients with CD in our GI clinic between 2008 and 2015. Statistical analysis was performed using the student t-test and chi-square test. RESULTS CD patients treated with TNF-alpha inhibitors (TNF) and those who are anti-TNF naïve (NB) had similar rates of vitamin D deficiency, insufficiency and normal vitamin D-25-OH levels. Similarly, rates of osteoporosis (16% vs 18%), osteopenia (53% vs 57%) and normal bone density (31% vs 25%) were comparable between the TNF and NB groups respectively. However, Z-scores at the spine (-0.47 vs -0.05) were significantly lower in the TNF group (p = .03). Interestingly, rates of osteoporosis in the NB group were drastically different before and after age 60 (3.6% vs 30%) with no major difference in the TNF group (15% vs 18%). Bone density was positively correlated with BMI (Pearson's R = 0.39) and negatively correlated with age and smoking status (R= -0.25). CONCLUSIONS TNF group patients were diagnosed with osteoporosis from an earlier age compared to NB group but with a smaller increase in osteoporosis after menopause. Further prospective studies are necessary to further determine the role of anti-TNF medications in osteoporosis.
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Affiliation(s)
- Shahrad Hakimian
- a Department of Medicine , UMass Memorial Medical Center , Worcester , MA , USA
| | - Joan Kheder
- b Division of Gastroenterology , UMass Memorial Medical Center , Worcester , MA , USA
| | - Seth Arum
- c Division of Endocrinology , UMass Memorial Medical Center , Worcester , MA , USA
| | - David R Cave
- b Division of Gastroenterology , UMass Memorial Medical Center , Worcester , MA , USA
| | - Benjamin Hyatt
- b Division of Gastroenterology , UMass Memorial Medical Center , Worcester , MA , USA
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Szulc P, Naylor K, Hoyle NR, Eastell R, Leary ET. Use of CTX-I and PINP as bone turnover markers: National Bone Health Alliance recommendations to standardize sample handling and patient preparation to reduce pre-analytical variability. Osteoporos Int 2017. [PMID: 28631236 DOI: 10.1007/s00198-017-4082-4] [Citation(s) in RCA: 216] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
UNLABELLED The National Bone Health Alliance (NBHA) recommends standardized sample handling and patient preparation for C-terminal telopeptide of type I collagen (CTX-I) and N-terminal propeptide of type I procollagen (PINP) measurements to reduce pre-analytical variability. Controllable and uncontrollable patient-related factors are reviewed to facilitate interpretation and minimize pre-analytical variability. INTRODUCTION The IOF and the International Federation of Clinical Chemistry (IFCC) Bone Marker Standards Working Group have identified PINP and CTX-I in blood to be the reference markers of bone turnover for the fracture risk prediction and monitoring of osteoporosis treatment. Although used in clinical research for many years, bone turnover markers (BTM) have not been widely adopted in clinical practice primarily due to their poor within-subject and between-lab reproducibility. The NBHA Bone Turnover Marker Project team aim to reduce pre-analytical variability of CTX-I and PINP measurements through standardized sample handling and patient preparation. METHODS Recommendations for sample handling and patient preparations were made based on review of available publications and pragmatic considerations to reduce pre-analytical variability. Controllable and un-controllable patient-related factors were reviewed to facilitate interpretation and sample collection. RESULTS Samples for CTX-I must be collected consistently in the morning hours in the fasted state. EDTA plasma is preferred for CTX-I for its greater sample stability. Sample collection conditions for PINP are less critical as PINP has minimal circadian variability and is not affected by food intake. Sample stability limits should be observed. The uncontrollable aspects (age, sex, pregnancy, immobility, recent fracture, co-morbidities, anti-osteoporotic drugs, other medications) should be considered in BTM interpretation. CONCLUSION Adopting standardized sample handling and patient preparation procedures will significantly reduce controllable pre-analytical variability. The successful adoption of such recommendations necessitates the close collaboration of various stakeholders at the global stage, including the laboratories, the medical community, the reagent manufacturers and the regulatory agencies.
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Affiliation(s)
- P Szulc
- INSERM UMR 1033, Hôpital Edouard Herriot, University of Lyon, Pavillon F, Place d'Arsonval, 69437, Lyon, France.
| | - K Naylor
- Academic Unit of Bone Metabolism and Mellanby Centre for Bone Research, University of Sheffield, Sheffield, UK
| | | | - R Eastell
- Academic Unit of Bone Metabolism and Mellanby Centre for Bone Research, University of Sheffield, Sheffield, UK
| | - E T Leary
- ETL Consulting, Seattle, WA, 98177, USA
- Pacific Biomarkers, Seattle, WA, 98119, USA
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Supplementation with 2000 IU of Cholecalciferol Is Associated with Improvement of Trabecular Bone Mineral Density and Muscle Power in Pediatric Patients with IBD. Inflamm Bowel Dis 2017; 23:514-523. [PMID: 28267045 DOI: 10.1097/mib.0000000000001047] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Inflammatory bowel diseases (IBD) are associated with altered bone health and increased risk for fractures. Vitamin D deficiency is frequently found in IBD; however, the effect of vitamin D supplementation on bone health of children with IBD is poorly understood. We aimed to observe the changes in volumetric bone density and dynamic muscle functions after vitamin D substitution in a cohort of pediatric patients with IBD. METHODS This was a prospective observational study of 55 patients (aged 5-19 years) with IBD. Bone quality was assessed using peripheral quantitative computed tomography and muscle functions by jumping mechanography at baseline and after a median of 13.8 (interquartile range, 12.0-16.0) months of daily substitution of 2000 IU of cholecalciferol. RESULTS Median serum levels of 25-hydroxyvitamin D increased from 58 nmol/L at the baseline visit to 85 nmol/L at the last follow-up visit (P < 0.001); no signs of overdose were reported. The Z-scores of trabecular bone mineral density, cortical bone cross-sectional area, and maximal muscle power improved significantly during the follow-up period (+0.5, P = 0.001, +0.3, P = 0.002 and +0.5, P = 0.002, respectively). Cholecalciferol substitution was positively associated with trabecular bone mineral density and maximal muscle power (estimates 0.26, 95% confidence interval 0.14-0.37, P < 0.0001 and 0.60, 95% confidence interval 0.32-0.85, P < 0.0001, respectively) but not with the Strength-Strain Index or maximal muscle force (Fmax). CONCLUSIONS We observed an improvement in bone and muscle parameters after cholecalciferol substitution in pediatric patients with IBD. Therefore, vitamin D substitution can be considered in such patients.
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Peyrin-Biroulet L, Van Assche G, Gómez-Ulloa D, García-Álvarez L, Lara N, Black CM, Kachroo S. Systematic Review of Tumor Necrosis Factor Antagonists in Extraintestinal Manifestations in Inflammatory Bowel Disease. Clin Gastroenterol Hepatol 2017; 15:25-36.e27. [PMID: 27392760 DOI: 10.1016/j.cgh.2016.06.025] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 06/15/2016] [Accepted: 06/25/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS This systematic review investigated the efficacy and the effectiveness of biologic drugs in extraintestinal manifestations (EIMs) in inflammatory bowel disease (IBD). METHODS Literature search was conducted in PubMed, Embase, and Cochrane until October 2015. Main inclusion criteria were adults with IBD, use of a biologic drug, evolution of EIMs, interventional study, or non-interventional study. RESULTS Nine interventional studies (2 randomized controlled trials [N = 797], 7 open label trials [N = 1143], and 13 non-interventional studies [N = 914]) were included. Tumor necrosis factor (TNF) antagonists achieved complete response for pyoderma gangrenosum in 21%-25% of patients in interventional studies and in 92%-100% patients in non-interventional studies, with similar results for other cutaneous manifestations such as erythema nodosum or stomatitis. Adalimumab significantly reduced the prevalence of anemia vs placebo after 56 weeks in 1 randomized controlled trial. In 2 non-interventional studies, anti-TNF therapy improved anemia in the short-term (67%) and in the long-term (34%). Complete response after anti-TNF treatment was reported in interventional studies, including arthralgia (reduction in prevalence from 47.1% to 26.8% in the mid-term in 1 open label trial) and arthritis (reduction in prevalence from 8.7% to 2.1% and from 58% to 12.5% in 2 open label trials). Anti-TNFs were beneficial for a majority of patients with ocular manifestations. Infliximab was associated with improved outcomes in bone formation and bone mineral density. CONCLUSIONS Anti-TNFs appear to be effective alternatives for certain EIMs associated with IBD including musculoskeletal, cutaneous, and ocular manifestations, and some beneficial effect may be obtained in metabolic bone disease and on hematologic or vascular EIMs.
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Affiliation(s)
| | - Gert Van Assche
- Department of Gastroenterology, University Hospitals Leuven, Leuven, Belgium
| | | | | | - Núria Lara
- IMS Health, Real-World Evidence Solutions, Barcelona, Spain
| | - Chris M Black
- Center for Observational and Real-World Evidence (CORE), Merck and Co, Inc, Kenilworth, New Jersey
| | - Sumesh Kachroo
- Center for Observational and Real-World Evidence (CORE), Merck and Co, Inc, Kenilworth, New Jersey
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Veerappan SG, Healy M, Walsh B, O'Morain CA, Daly JS, Ryan BM. A 1-year prospective study of the effect of infliximab on bone metabolism in inflammatory bowel disease patients. Eur J Gastroenterol Hepatol 2016; 28:1335-1344. [PMID: 27508327 DOI: 10.1097/meg.0000000000000719] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVES Infliximab (IFX) treatment has shown potentially beneficial effects on bone metabolism in inflammatory bowel disease (IBD) patients. We aimed to prospectively evaluate the impact of IFX treatment on bone metabolism in antitumour necrosis factor (TNF)-α-naive IBD patients using established bone metabolism markers and an in-vitro osteoblast model. MATERIALS AND METHODS A total of 37 anti-TNFα-naive IBD patients and 20 healthy controls were included. All measurements were performed at baseline and repeated in IBD patients following IFX therapy. Bone mineral density was measured by dual-energy X-ray absorptiometry. Parathyroid hormone, vitamin D, osteoprotegerin, soluble receptor activator of nuclear factor B ligand and proinflammatory and anti-inflammatory cytokines were measured. Bone formation was measured using osteocalcin (OC) and procollagen type 1N propeptide, and bone resorption was measured using serum type 1 collage c-telopeptide. The effect of control and IBD patient sera on human osteoblast viability and differentiation was analysed. RESULTS OC level was higher in controls than IBD patients (P=0.018). After IFX, OC and procollagen type 1N propeptide increased significantly (P=0.002 and 0.011) and (P<0.001 and P=0.016) at weeks 6 and 30 after treatment, respectively. There was a nonsignificant decrease in serum type 1 collage c-telopeptide. After IFX therapy, proinflammatory cytokines TNF-α, interleukin-6 and interleukin-13 decreased significantly (P=0.016, week 54; P=0.005, week 6 and P=0.025, week 6), respectively. Sera from IBD patients before IFX showed increased osteoblast viability compared with the controls (P=0.003 to P<0.005), but induced reduced osteoblast differentiation. After IFX, viability reduced to control levels, but osteoblast differentiation increased (P=0.041). CONCLUSION IFX treatment induced beneficial effects on bone metabolism. Osteoblast culture results suggest that IBD patients may have increased osteoblast viability, but reduced differentiation, which has implications for bone strength.
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Affiliation(s)
- Sundaram G Veerappan
- aDeparment of Gastroenterology, Adelaide & Meath Hospital, Tallaght, Dublin 24 Departments of bBiochemistry cGerontology, St James's Hospital, Dublin 8 dDepartment of Anatomy, Divison of Biology, Royal College of Surgeons in Ireland, Dublin 2, Republic of Ireland
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Bilski J, Mazur-Bialy A, Brzozowski B, Magierowski M, Zahradnik-Bilska J, Wójcik D, Magierowska K, Kwiecien S, Mach T, Brzozowski T. Can exercise affect the course of inflammatory bowel disease? Experimental and clinical evidence. Pharmacol Rep 2016; 68:827-836. [PMID: 27255494 DOI: 10.1016/j.pharep.2016.04.009] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 04/17/2016] [Accepted: 04/19/2016] [Indexed: 02/07/2023]
Abstract
The inflammatory bowel disease (IBD) consisting of Crohn's disease (CD) and ulcerative colitis (UC) are defined as idiopathic, chronic and relapsing intestinal disorders occurring in genetically predisposed individuals exposed to environmental risk factors such as diet and microbiome changes. Since conventional drug therapy is expensive and not fully efficient, there is a need for alternative remedies that can improve the outcome in patients suffering from IBD. Whether exercise, which has been proposed as adjunct therapy in IBD, can be beneficial in patients with IBD remains an intriguing question. In this review, we provide an overview of the effects of exercise on human IBD and experimental colitis in animal models that mimic human disease, although the information on exercise in human IBD are sparse and poorly understood. Moderate exercise can exert a beneficial ameliorating effect on IBD and improve the healing of experimental animal colitis due to the activity of protective myokines such as irisin released from working skeletal muscles. CD patients with higher levels of exercise were significantly less likely to develop active disease at six months. Moreover, voluntary exercise has been shown to exert a positive effect on IBD patients' mood, weight maintenance and osteoporosis. On the other hand, depending on its intensity and duration, exercise can evoke transient mild systemic inflammation and enhances pro-inflammatory cytokine release, thereby exacerbating the gastrointestinal symptoms. We discuss recent advances in the mechanism of voluntary and strenuous exercise affecting the outcome of IBD in patients and experimental animal models.
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Affiliation(s)
- Jan Bilski
- Department of Ergonomics and Exercise Physiology, Faculty of Health Sciences, Jagiellonian University Medical College, Kraków, Poland
| | - Agnieszka Mazur-Bialy
- Department of Ergonomics and Exercise Physiology, Faculty of Health Sciences, Jagiellonian University Medical College, Kraków, Poland
| | - Bartosz Brzozowski
- Gastroenterology and Hepatology Clinic, The University Hospital, Jagiellonian University Medical College, Kraków, Poland
| | - Marcin Magierowski
- Department of Physiology, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - Janina Zahradnik-Bilska
- Gastroenterology and Hepatology Clinic, The University Hospital, Jagiellonian University Medical College, Kraków, Poland
| | - Dagmara Wójcik
- Department of Physiology, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - Katarzyna Magierowska
- Department of Physiology, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - Slawomir Kwiecien
- Department of Physiology, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland
| | - Tomasz Mach
- Gastroenterology and Hepatology Clinic, The University Hospital, Jagiellonian University Medical College, Kraków, Poland
| | - Tomasz Brzozowski
- Department of Physiology, Faculty of Medicine, Jagiellonian University Medical College, Kraków, Poland.
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The Impact of Conventional and Biological Disease Modifying Antirheumatic Drugs on Bone Biology. Rheumatoid Arthritis as a Case Study. Clin Rev Allergy Immunol 2016; 51:100-9. [DOI: 10.1007/s12016-016-8547-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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