AB0477 EFFECT OF ANTI-TNF THERAPY ON BONE MINERAL DENSITY IN ANKYLOSING SPONDYLORTHITIS

Background:Osteoporosis is common in spondyloarthritis, due to reduced spinal mobility, and inflammation. Anti-inflammatory treatments have a beneficial effect on the bone, and there is a significant increase in bone density during treatment with anti-TNF alpha.Objectives:to study bone mineral density in patients with ankylosing spondyloarthritis (AS) treated with anti-TNF alpha.Methods:This is a retrospective descriptive study of patients with AS meeting the modified New York criteria. Bone mineral density, assessed by dual energy x-ray absorptiometry (DXA), of AS patients treated with anti-TNF alpha was compared to that of a control group of AS patients not treated with anti-TNF alpha.Inclusion criteria:- Male patients- Patients who do not have an abnormality disrupting phosphocalcic and bone metabolism- For Patients on anti-TNF alpha: the treatment must be received for more than 6 monthsResults:A total of 22 patients were included, including 11 patients on anti-TNF alpha and 11 patients not on anti-TNF. The mean age (standard deviation) was 28 (± 7.2) years and 41 (± 14.8) in the cases and controls respectively. The mean body mass index in the AS group on anti-TNF was 22.16 kg / m2 and in the control group was 19.64 kg / m2. In the AS group on anti-TNF alpha, the mean bone mineral density of the spine was 1.092 g / cm2 (mean T score = -0.63) and that of the femoral neck, the mean bone mineral density was 0.888g / cm2 (mean T score = -1.04). In the control group, the mean bone mineral density of the spine was 0.959 g / cm2 (mean T score = -1.91) and the mean bone mineral density of the femoral neck was 0.774 g / cm2 (mean T score = -1.99). Bone mineral density in the spine and cervix was higher in the group receiving anti-TNF alpha (p = 0.09, p = 0.173 respectively)Conclusion:Our study shows the increase, although not statistically significant, in bone mineral density in AS patients receiving anti-TNF alpha agents compared to controls. Our results agree with those of the literature which support the bone protective effect of anti-TNF alpha. The non-significant difference can be explained by the delay in the introduction of biotherapy at the advanced stage of the structural evolution of AS. The best solution is to start TNF inhibitors at the early inflammatory stage of AS.Disclosure of Interests:None declared.

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Bone Mineral Density Changes In Patients with Paraproteinemia After Treatment with Bortezomib

Blood ◽

10.1182/blood.v116.21.4989.4989 ◽

2010 ◽

Vol 116 (21) ◽

pp. 4989-4989

Author(s):

Tamara Berno ◽

Kenneth Boucher ◽

Fenghuang Zhan ◽

Guido J. Tricot ◽

Benjamin Mughal ◽

...

Keyword(s):

Bone Mineral Density ◽

Lumbar Spine ◽

Bone Density ◽

Femoral Neck ◽

Bone Mineral ◽

Bone Disease ◽

Proteasome Inhibitor ◽

Mineral Density ◽

T Score ◽

The Mean

Abstract Abstract 4989 Background: Bone disease is present at diagnosis in almost all patients with multiple myeloma (MM) and can impact substantially on patient morbidity and quality of life. Decreased bone mineral density is also observed not only in MM but also in patients with monoclonal gammopathy of undetermined significance (MGUS). The pathogenesis of bone disease in MM is complex. The activity of proteasome inhibitor bortezomib has been linked to increased bone formation and osteoblastic activation. Evidence from the available clinical data indicates that bortezomib has a positive impact on bone health in MM and demonstrates a bone anabolic effect. Methods: We analyzed retrospectively 53 patients with MM and 16 with MGUS who have completed bone density at least at diagnosis. 21 patients have completed two bone density (3 MGUS and 18 MM). The bone density was obtained in all patients at baseline and in 16 patients repeated after bortezomib treatement with a median time of bortezomib exposure of 6 months. We analyzed T-score values at lumbar spine and at femoral neck. Results: With a median age of 66 years, 41 male and 28 female were analyzed. At baseline the mean lumbar spine T-score of all subjects and of 16 MM treated with bortezomib was -0.50 and -0.76 respectively. At baseline the mean femoral neck T-score for all subjects and for 16 MM treated with Bortezomib was -1.56 and -1.31 respectively. The baseline mean lumbar spine T-score for MGUS and MM was -0.71 and -0.43 respectively. The baseline mean femoral neck T-score of MGUS and MM was -1.61 and -1.54 respectively. In the group of 16 patients treated with Bortezomib we observed from baseline a change in lumbar bone mineral density T-score of 0.36 and at femoral neck bone density T-score of 0.25. Conclusion: These data show that patients treated with proteasome inhibitor showed moderate increment in bone mineral density at lumbar spine and at femoral neck. Disclosures: No relevant conflicts of interest to declare.

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Multiple sclerosis is associated with low bone mineral density and osteoporosis

Neurology Clinical Practice ◽

10.1212/cpj.0000000000000669 ◽

2019 ◽

Vol 9 (5) ◽

pp. 391-399 ◽

Cited By ~ 2

Author(s):

Etienne J. Bisson ◽

Marcia L. Finlayson ◽

Okechukwu Ekuma ◽

William D. Leslie ◽

Ruth Ann Marrie

Keyword(s):

Bone Mineral Density ◽

Femoral Neck ◽

Bone Mineral ◽

Population Based ◽

Multivariable Logistic Regression Analysis ◽

Mineral Density ◽

T Score ◽

Region Of Residence ◽

The Mean ◽

Prevalence Of Osteoporosis

ObjectiveTo compare measures of bone mineral density (BMD) between people with and without MS.MethodsUsing population-based administrative data from Manitoba, Canada, we identified people with MS who received BMD screening and controls who received BMD screening matched 5:1 on age, sex, region of residence, and date of BMD screening. We determined the BMD T-scores for the femoral neck, total hip, and lumbar spine and frequency of osteoporosis (defined as T-score −2.5 or lower). We compared the groups with respect to the femoral neck T-score using multivariable linear regression, adjusting for age, sex, region, disability, continuity of care, recent previous fracture, falls history, medication use, and comorbidities. We compared the odds of osteoporosis between groups using multivariable logistic regression analysis.ResultsWe identified 783 MS cases who underwent BMD screening and 3,915 matched controls. The mean (SD) femoral BMD T-score was lower in MS cases (−1.48 [1.08]) than in matched controls (−1.12 [0.98], p < 0.001), and the prevalence of osteoporosis was higher among the MS cases (range across BMD sites: 16%–26%) vs controls (6%–15%). MS was associated with a lower femoral neck BMD T-score after accounting for covariates (β = −0.24; 95% CI: −0.32 to −0.17) and more than 2-fold increased odds of osteoporosis (covariate-adjusted OR 2.41; 95% CI: 1.82–3.19).ConclusionsPeople with MS have lower BMD and a higher prevalence of osteoporosis compared with people of similar age and sex without MS. These findings indicate the importance of addressing bone health as part of comprehensive MS care.

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SAT0462 ASSESSMENT OF BONE MINERAL DENSITY IN INFLAMMATORY BOWEL DISEASE

Annals of the Rheumatic Diseases ◽

10.1136/annrheumdis-2020-eular.6007 ◽

2020 ◽

Vol 79 (Suppl 1) ◽

pp. 1188.1-1188

Author(s):

C. Daldoul ◽

N. El Amri ◽

K. Baccouche ◽

H. Zeglaoui ◽

E. Bouajina

Keyword(s):

Bone Mineral Density ◽

Inflammatory Bowel Disease ◽

Bone Mineral ◽

Bowel Disease ◽

Mineral Density ◽

Femoral Site ◽

Significant Difference ◽

History Of ◽

Inflammatory Bowel ◽

The Mean

Background:Inflammatory bowel disease (IBD), including ulcerative colitis (UC) and Crohn’s disease (CD), is considered as a risk factor of low bone mineral density (BMD). In fact, the prevalence of osteoporosis ranges from 17% to 41% in IBD patients. The possible contributing factors may include malabsorption, glucocorticoid treatment and coexisting comorbiditiesObjectives:The purpose of our work was to determine the frequency and the determinants of osteoporosis in patients with IBD and to assess whether there is a difference in BMD status between UC and CD.Methods:This is a retrospective study, over a period of 5 years (from January 2014 to December 2018) and including patients followed for IBD who had a measurement of BMD by DEXA. Clinical, anthropometric and densitometric data (BMD at the femoral and vertebral site) were recorded. The WHO criteria for the definition of osteoporosis and osteopenia were applied.Results:One hundred and five patients were collected; among them 45 were men and 60 were women. The average age was 45.89 years old. The average body mass index (BMI) was 25.81 kg/m2 [16.44-44.15]. CD and UC were diagnosed in respectively 57.1% and 42.9%. A personal history of fragility fracture was noted in 4.8%. Hypothyroidism was associated in one case. Early menopause was recorded in 7.6%. 46.8% patients were treated with corticosteroids. The mean BMD at the vertebral site was 1.023 g/cm3 [0.569-1.489 g/cm3]. Mean BMD at the femoral site was 0.920g/cm3 [0.553-1.286g / cm3]. The mean T-score at the femoral site and the vertebral site were -1.04 SD and -1.27 SD, respectively. Osteoporosis was found in 25.7% and osteopenia in 37.1%. Osteoporosis among CD and UC patients was found in respectively 63% and 37%. The age of the osteoporotic patients was significantly higher compared to those who were not osteoporotic (52.23 vs 43.67 years, p = 0.01). We found a significantly higher percentage of osteoporosis among men compared to women (35.6% vs 18.3%, p=0.046). The BMI was significantly lower in the osteoporotic patients (23.87 vs 26.48 kg/m2, p=0.035) and we found a significant correlation between BMI and BMD at the femoral site (p=0.01). No increase in the frequency of osteoporosis was noted in patients treated with corticosteroids (27.9% vs 21.6%, p=0.479). Comparing the UC and CD patients, no difference was found in baseline characteristics, use of steroids or history of fracture. No statistically significant difference was found between UC and CD patients for osteoporosis(p=0.478), BMD at the femoral site (p=0.529) and at the vertebral site (p=0.568).Conclusion:Osteoporosis was found in 25.7% of IBD patients without any difference between CD and UC. This decline does not seem to be related to the treatment with corticosteroids but rather to the disease itself. Hence the interest of an early screening of this silent disease.Disclosure of Interests:None declared

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93 Does Spinal Bone Mineral Density Predict An Absolute 10 Year Probability of Sustaining A Major Osteoporotic Fracture

Age and Ageing ◽

10.1093/ageing/afab030.54 ◽

2021 ◽

Vol 50 (Supplement_1) ◽

pp. i12-i42

Author(s):

A Nandi ◽

N Obiechina ◽

A Timperley ◽

F Al-Khalidi

Keyword(s):

Bone Mineral Density ◽

Bone Mineral ◽

Osteoporotic Fracture ◽

Negative Correlation ◽

Pearson Correlation ◽

Fragility Fractures ◽

Mineral Density ◽

Major Osteoporotic Fracture ◽

T Score ◽

The Mean

Abstract Introduction Spine and hip bone mineral density (BMD) have previously been shown to predict the risk of sustaining future fractures. Although these have been shown in population studies, there is a paucity of trials looking at the relationship between BMD and 10 year probability of major osteoporotic fractures (Using FRAX UK without BMD) in patients with previous fragility fractures. Aims To evaluate the correlation between spinal T-score and an absolute 10 year probability of sustaining a major osteoporotic fracture (using FRAX without BMD) in patients with prior fragility fractures. Methods A retrospective cross-sectional analysis of 202 patients (29 males and 173 females) with prior fragility fractures attending a fracture prevention clinic between January and August 2019 was performed. Patients with pathological and high impact traumatic fractures were excluded. The BMD at the spine was determined using the lowest T-score of the vertebrae from L1 to L4. Using the FRAX (UK) without BMD, the absolute 10 year probability of sustaining a major osteoporotic fracture was calculated for each patient. Statistical analysis was performed using SPSS 26 software. Results The mean T-score at the spine was −1.15 (SD +/− 1.90) for all patients, −0.68 (SD +/− 0.45) for males and − 1.23 (SD +/− 0.14) for females. The mean FRAX score without BMD for major osteoporotic fracture was 18.5% (SD +/− 8.84) for all patients, 11.41% (SD +/−0.62) and 19.7% (SD +/−0.68) for males and females respectively. Pearson correlation coefficient showed a statistically significant, slightly negative correlation between spinal T- score and the FRAX (UK) without BMD (r = −0.157; p < 0.05). Correlation was not statistically significant when males (r = 0.109; p = 0.59) and females (r = 0.148; p = 0.053) were considered independently. Conclusion In patients with prior fragility fracture spinal BMD has a statistically significant negative correlation with an absolute 10 year probability of sustaining a major osteoporotic fracture.

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Estimation of Central Osteopenia in Children With Chronic Polyarthritis Treated With Glucocorticoids

PEDIATRICS ◽

10.1542/peds.91.6.1127 ◽

1993 ◽

Vol 91 (6) ◽

pp. 1127-1130

Author(s):

Antero Kotaniemi ◽

Anneli Savolainen ◽

Hannu Kautiainen ◽

Heikki Kröger

Keyword(s):

Bone Mineral Density ◽

Lumbar Spine ◽

Femoral Neck ◽

Bone Mineral ◽

Bone Size ◽

Mineral Density ◽

Volumetric Density ◽

Chronic Polyarthritis ◽

The Mean ◽

Bone Volumetric Density

Study objective. To investigate the degree and determinants of osteopenia in juvenile chronic polyarthritis. Design. Retrospective case-control study of central bone mineral density. Setting. Rheumatism Foundation Hospital and Kuopio University Hospital, Finland. Subjects. A sample of 43 girls aged 7 to 19 with juvenile chronic polyarthritis treated with systemic glucocorticoids and a control sample of 44 healthy girls matched for age. Main outcome measures. Bone mineral density and bone size (width) measured by dual-energy x-ray absorptiometry and bone volumetric density calculated as an approximation of true bone density at both the lumbar spine and femoral neck. Results. The girls with juvenile chronic arthritis had reduced bone mineral density, bone size, and bone volumetric density at both the lumbar spine and femoral neck (statistically significant findings, P = .022 for the bone size of the femoral neck and P < .001 for the other parameters). At the spine, the mean bone mineral density was 80%, the mean bone size 89%, and the mean bone volumetric density 89% of the values in the control group. At the femoral neck, the values were 78%, 93%, and 83%, respectively. The groups were matched for age, but the girls with arthritis were smaller and lighter. In the juvenile arthritis group, the femoral bone mineral density and bone volumetric density and the spinal bone width correlated negatively with the mean glucocorticoid dose. Conclusion. Axial bone mineral density is clearly reduced in severe juvenile polyarthritis and is mediated by both decreased bone volumetric density and diminished growth.

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Pemberian Kalium Buah Pisang Lampung terhadap Densitas Mineral Tulang pada Lansia

Jurnal Vokasi Kesehatan ◽

10.30602/jvk.v5i1.181 ◽

2019 ◽

Vol 5 (1) ◽

pp. 30

Author(s):

Edy Waliyo ◽

Nopriantini Nopriantini ◽

Shelly Festilia Agusanty

Keyword(s):

Bone Mineral Density ◽

Bone Mineral ◽

Random Sampling ◽

The Elderly ◽

Control Group ◽

Mineral Density ◽

Control Group Design ◽

Separate Sample ◽

Group Design ◽

T Score

Abstract: Effect of Lampung Banana Potassium on Bone Mineral Density in the Elderly. This study aims to determine the eﬀect of banana lampung on bone mineral density in the elderly in the Social Welfare Tresna Werdha and Werdha Graha Kasih Father’s home). This research is a research with experimental design with the separate sample pretest posttest control group design. The research was carried out in the Tresna Werdha Social Institution and the Werdha Graha Kasih Father’s house, from May to July 2017. The sampling technique was taken by random sampling The result of potassium feeding on 150 grams of banana per day for 30 days by increasing BMD T-score of 0.17 while in control group (without banana lampung) BMD T-score decreased by - 0.32. After intervention in both groups showed a diﬀerence of BMD T-score of 0.49. Abstrak: Pemberian Kalium Buah Pisang Lampung terhadap Densitas Mineral Tulang pada Lansia. Penelitian ini bertujuan untuk mengetahui mengetahui pengaruh pemberian buah pisang lampung terhadap bone mineral density pada lansia di wilayah Panti Sosial Tresna Werdha dan panti Werdha Graha Kasih Bapa). Penelitian yang dilakukan ini adalah penelitian dengan desain eksperimen dengan rancangan the separate sample pretest posttest control group design. Penelitian dilaksanakan di wilayah Panti Sosial Tresna Werdha dan panti Werdha Graha Kasih Bapa), mulai bulan Mei s/d Juli 2017. Teknik sampling diambil dengan cara random sampling Hasil pemberian kalium pada buah pisang lampung sebanyak 150 gr setiap hari selama 30 hari dengan dapat meningkatkan BMD T-score sebesar 0,17 sedangkan pada kelompok control (tanpa pemberian buah pisang lampung) BMD T-score menurun sebesar - 0,32. Setelah intervensi pada ke dua kelompok menunjukkan adanya perbedaan BMD T-score sebesar 0,49.

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Overexpression of Mig-6 in Cartilage Induces an Osteoarthritis-Like Phenotype in Mice

10.21203/rs.2.24144/v2 ◽

2020 ◽

Author(s):

Melina Bellini ◽

Michael Andrew Pest ◽

Manuela Miranda Rodrigues ◽

Ling Qin ◽

Jae-Wook Jeong ◽

...

Keyword(s):

Bone Mineral Density ◽

Body Composition ◽

Articular Cartilage ◽

Bone Mineral ◽

Cartilage Degeneration ◽

Negative Regulator ◽

Control Group ◽

Multiple Time ◽

Mineral Density ◽

Significant Difference

Abstract Background: Osteoarthritis (OA) is the most common form of arthritis and characterized by degeneration of articular cartilage. Mitogen-inducible gene 6 (Mig-6) has been identified as a negative regulator of the Epidermal Growth Factor Receptor (EGFR). Cartilage-specific Mig-6 knockout (KO) mice display increased EGFR signaling, an anabolic buildup of articular cartilage and formation of chondro-osseous nodules. Since our understanding of the EGFR/Mig-6 network in cartilage remains incomplete, we characterized mice with cartilage-specific overexpression of Mig-6 in this study. Methods: Utilizing knee joints from cartilage-specific Mig-6 overexpressing (Mig-6over/over) mice (at multiple time points), we evaluated the articular cartilage using histology, immunohistochemical staining and semi-quantitative histopathological scoring (OARSI) at multiple ages. MicroCT analysis was employed to examine skeletal morphometry, body composition, and bone mineral density.Results: Our data show that cartilage-specific Mig-6 overexpression did not cause any major developmental abnormalities in articular cartilage, although Mig-6over/over mice have slightly shorter long bones compared to the control group. Moreover, there was no significant difference in bone mineral density and body composition in any of the groups. However, our results indicate that Mig-6over/over male mice show accelerated cartilage degeneration at 12 and 18 months of age. Immunohistochemistry for SOX9 demonstrated that the number of positively stained cells in Mig-6over/over mice was decreased relative to controls. Immunostaining for MMP13 appeared increased in areas of cartilage degeneration in Mig-6over/over mice. Moreover, staining for phospho-EGFR (Tyr-1173) and lubricin (PRG4) was decreased in the articular cartilage of Mig-6over/over mice. Conclusion: Overexpression of Mig-6 in articular cartilage causes no major developmental phenotype; however, these mice develop earlier OA during aging. These data demonstrate that Mig-6/EGFR pathways is critical for joint homeostasis and might present a promising therapeutic target for OA.

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Differences in Bone Mineral Density between Adult Vegetarians and Nonvegetarians Become Marginal when Accounting for Differences in Anthropometric Factors

Journal of Nutrition ◽

10.1093/jn/nxaa018 ◽

2020 ◽

Vol 150 (5) ◽

pp. 1266-1271 ◽

Cited By ~ 3

Author(s):

Nena Karavasiloglou ◽

Eliska Selinger ◽

Jan Gojda ◽

Sabine Rohrmann ◽

Tilman Kühn

Keyword(s):

Bone Mineral Density ◽

Lumbar Spine ◽

Waist Circumference ◽

Femoral Neck ◽

Bone Mineral ◽

Statistical Models ◽

Menopausal Status ◽

Mineral Density ◽

Significant Difference ◽

Race Ethnicity

ABSTRACT Background Persons following plant-based diets have lower bone mineral density (BMD) and higher fracture risk, possibly due to suboptimal nutrient supply. However, anthropometric measures were not considered as potential confounders in many previous studies, and body mass index (BMI) is positively associated with BMD but also generally lower among vegans and vegetarians. Objectives Our objective was to investigate if BMD measurements differ between vegetarians and nonvegetarians from the adult general population when accounting for important determinants of BMD, especially BMI and waist circumference. Methods Using data from the NHANES (cycles 2007–2008 and 2009–2010), we evaluated the differences in BMD (femoral neck, total femoral, and total lumbar spine) between adult vegetarians and nonvegetarians. Linear regression models were used to determine the associations between BMD and diet. Statistical models were adjusted for important factors, i.e., age, sex, race/ethnicity, smoking status, alcohol consumption, serum vitamin D and calcium concentrations, waist circumference, and BMI. Results In statistical models adjusted for age, sex, race/ethnicity, menopausal status, and education level, BMD values were significantly lower among vegetarians than among nonvegetarians (P < 0.001). These differences were attenuated upon adjustment for lifestyle factors, and became statistically nonsignificant upon adjustment for anthropometric variables (BMI and waist circumference) for femoral neck (0.77 compared with 0.79 g/cm2 among vegetarians versus nonvegetarians, P = 0.10) and total femoral BMD (0.88 compared with 0.90 g/cm2, P = 0.12). A small but statistically significant difference remained for total lumbar spine BMD (1.01 compared with 1.04 g/cm2, P = 0.005). Conclusions These findings suggest that lower BMD among adult vegetarians is in larger parts explained by lower BMI and waist circumference.

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Decreased Bone Mineral Density among Patients with Hemophilia.

Blood ◽

10.1182/blood.v110.11.1153.1153 ◽

2007 ◽

Vol 110 (11) ◽

pp. 1153-1153

Author(s):

Gregory Gerstner ◽

Mary Lou Damiano ◽

Angela Tom ◽

Christina Worman ◽

Wendy Schultz ◽

...

Keyword(s):

Bone Mineral Density ◽

Vitamin D ◽

Alkaline Phosphatase ◽

Femoral Neck ◽

Bone Mineral ◽

Hiv Positive ◽

Severe Hemophilia ◽

Mineral Density ◽

T Score ◽

Vitamin D Levels

Abstract Background: Osteoporosis among adult males is a major and under-recognized problem in the United States. Patients with hemophilia have several predisposing risks for developing decreased bone mineral density (BMD) and osteoporosis, and may represent an important group to target for screening and treatment for fracture prevention. Patients and Methods: Patients over the age of 18 with moderate or severe hemophilia A or B (as defined by factor activity < 5%) and no history of prophylactic factor use prior to age 10 were eligible. Bone mineral densities were obtained using DEXA scans (DXA) along with measurements of joint mobility and physical activity and laboratory parameters. Results: Twenty-eight patients have been consented with accrual ongoing. 21 have undergone DXA scans. Median age of 39 (range 18–61), 86% HCV positive, 26% HIV positive. Median T-score for all sites (lumbar, femoral neck, hip, and other) was −1.7 (−5.8–0.6), with the most effected area being the femoral neck, T-score −1.7 (−5.8–0.8). Based on WHO criteria, 76% of patients had decreased BMD, 33% (n=7) with osteoporosis, and 43% (n=9) with osteopenia. Trends associated with decreased BMD included decreased serum 25-hydroxy-vitamin D levels, increased alkaline phosphatase, and decreased weight. All patients with osteoporosis were HCV positive, and all HIV positive patients had decreased BMD. Median activity scores were lower among osteoporotic patients vs normal BMD. Joint range-of-motion in the lower extremities was limited to 59.5% of predicted values in patients with osteoporosis, 84% in osteopenia, and 93% in patients with normal BMD. Summary: Patients with hemophilia are at markedly increased risk for developing osteoporosis and osteopenia. Potential predictors of risk for decreased BMD are concurrent HCV and HIV infection, low vitamin D levels, elevated alkaline phosphatase, lower weight, decreased range of motion and lower activity scores. More aggressive screening for decreased BMD among moderate and severe hemophilia patients with initiation of therapy is appropriate. Median Values Worst T-Score Activity Score (1–5) Joint ROM (% Pred) Weight (kg) 25-Hydroxy-D (ng/mL) Alk Phos (IU/L) Normal BMD 0.1 5 94.0 91.6 28.0 59 Osteopenia −1.6 4 85.0 80.7 23.0 86 Osteoporosis −3.0 3 68.5 73.0 21.8 99

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Anti-tumor Necrosis Factor Therapy Increased Spine and Femoral Neck Bone Mineral Density of Patients with Active Ankylosing Spondylitis with Low Bone Mineral Density

The Journal of Rheumatology ◽

10.3899/jrheum.150019 ◽

2015 ◽

Vol 42 (8) ◽

pp. 1413-1417 ◽

Cited By ~ 6

Author(s):

Haibo Li ◽

Qiuxia Li ◽

Xi Chen ◽

Chen Ji ◽

Jieruo Gu

Keyword(s):

Bone Mineral Density ◽

Ankylosing Spondylitis ◽

Femoral Neck ◽

Bone Mineral ◽

Tumor Necrosis ◽

Control Group ◽

Study Group ◽

Type I ◽

Mineral Density ◽

Necrosis Factor

Objective.To evaluate the effect of anti-tumor necrosis factor (TNF) therapy on bone mineral density (BMD) in patients with active ankylosing spondylitis (AS) with low BMD.Methods.Eighty-nine patients with active AS with low BMD were randomly divided into either a study group or a control group. The study group received etanercept (50 mg/week) or adalimumab (40 mg/2 week) subcutaneously for 1 year. BMD of lumbar spine and femoral neck was measured by dual energy X-ray absorptiometry, and bone turnover markers serum C telopeptide of type-I collagen (sCTX) and serum procollagen type-I N propeptide (PINP) were detected by ELISA at baseline and at end of study.Results.After 1 year, compared with baseline, there was a significant increase in spine and femoral neck BMD by a mean ± SD of 14.9% ± 15.6% (p < 0.0001) and 4.7% ± 7.9% (p < 0.0001) in the study group. In the control group, there was a significant decrease in spine and femoral neck BMD by a mean ± SD of −8.6% ± 9.7% (p < 0.0001) and −9.8% ± 11.5% (p < 0.0001). Compared with baseline, sCTX was significantly decreased in the study group (−40% at 1 yr, p < 0.0001), but bone-specific alkaline phosphatase and PINP increased (45.6%, p < 0.0001 and 30.8%, p < 0.0001, respectively).Conclusion.In patients with active AS with low BMD, the spine and femoral neck BMD increased after anti-TNF therapy for 1 year, and it was accompanied by a significant decrease in bone resorption markers and an increase in bone formation markers.

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