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Arntz OJ, Thurlings RM, Blaney Davidson EN, Jansen PWTC, Vermeulen M, Koenders MI, van der Kraan PM, van de Loo FAJ. Profiling of plasma extracellular vesicles identifies proteins that strongly associate with patient's global assessment of disease activity in rheumatoid arthritis. Front Med (Lausanne) 2024; 10:1247778. [PMID: 38274452 PMCID: PMC10808582 DOI: 10.3389/fmed.2023.1247778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 11/30/2023] [Indexed: 01/27/2024] Open
Abstract
Background Rheumatoid arthritis (RA) is an autoimmune disease characterized by chronic synovial inflammation and cartilage/bone damage. Intercellular messengers such as IL-1 and TNF play a crucial role in the pathophysiology of RA but have limited diagnostic and prognostic values. Therefore, we assessed whether the protein content of the recently discovered extracellular vesicles (EVs), which have gained attention in the pathogenesis of RA, correlates with disease activity parameters in RA patients. Methods We identified and quantified proteins in plasma-derived EVs (pEVs), isolated by size exclusion chromatography from 17 RA patients by mass spectrophotometry (MS). Quantified protein levels were correlated with laboratory and clinical parameters and the patient's own global assessment of their disease activity (PGA-VAS). In a second MS run, the pEV proteins of nine other RA patients were quantified and compared to those from nine healthy controls (HC). Results No differences were observed in the concentration, size, and protein content of pEVs from RA patients. Proteomics revealed >95% overlapping proteins in RA-pEVs, compared to HC-pEVs (data are available via ProteomeXchange with identifier PXD046058). Remarkably, in both runs, the level of far more RA-pEV proteins correlated positively to PGA-VAS than to either clinical or laboratory parameters. Interestingly, all observed PGA-VAS positively correlated RA-pEV proteins were associated with the actin-cytoskeleton linker proteins, ezrin, and moesin. Conclusion Our observation suggests that PGA-VAS (loss of vitality) may have a different underlying pathological mechanism in RA, possibly related to enhanced muscle actin-cytoskeleton activity. Furthermore, our study contributes to the growing awareness and evidence that pEVs contain valuable biomarkers for diseases, with added value for RA patients.
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Affiliation(s)
- Onno J. Arntz
- Department of Rheumatology, Radboud University Medical Center, Nijmegen, Netherlands
| | - Rogier M. Thurlings
- Department of Rheumatology, Radboud University Medical Center, Nijmegen, Netherlands
| | | | - Pascal W. T. C. Jansen
- Department of Molecular Biology, Faculty of Science, Radboud Institute for Molecular Life Sciences, Oncode Institute, Radboud University Nijmegen, Nijmegen, Netherlands
| | - Michiel Vermeulen
- Department of Molecular Biology, Faculty of Science, Radboud Institute for Molecular Life Sciences, Oncode Institute, Radboud University Nijmegen, Nijmegen, Netherlands
| | - Marije I. Koenders
- Department of Rheumatology, Radboud University Medical Center, Nijmegen, Netherlands
| | | | - Fons A. J. van de Loo
- Department of Rheumatology, Radboud University Medical Center, Nijmegen, Netherlands
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Bogale Z, Feleke Y. Prevalence, Clinical Manifestations, and Treatment Pattern of Patients with Rheumatoid Arthritis Attending the Rheumatology Clinic at Tikur Anbessa Specialized Hospital, Ethiopia: A Cross-Sectional Study. Open Access Rheumatol 2022; 14:221-229. [PMID: 36276407 PMCID: PMC9581569 DOI: 10.2147/oarrr.s383778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/27/2022] [Indexed: 11/07/2022] Open
Abstract
Background Rheumatoid arthritis (RA) is an a chronic inflammatory disease characterized by symmetric polyarticular inflammation that can lead to progressive joint damage. It is said to be rare among black Africans, even though there have been limited reports from some African countries and no study has been done on RA in Ethiopia. This study determined the prevalence, clinical features, and treatment of rheumatoid arthritis in Tikur Anbessa Specialized Hospital (TASH). Methods A cross-sectional study design was conducted on diagnosed patients with RA attending the rheumatology clinic at TASH from November 2018 to February 2019. Data was collected through patient interviews and chart reviews. The dataset was subjected to descriptive statistical analysis using the Statistical Package for Social Sciences (SPSS) version 25. Results A total of 1116 patients attended a rheumatologic clinic with rheumatologic complaints. The prevalence of rheumatoid arthritis was 18.5% (206/1116). Females were mostly affected (F:M 4.6:1). One hundred nineteen (57.8%) were between 35 and 64 years of age. The seropositivity for rheumatoid factor was 47.1%. Almost all patients had morning stiffness (89.8%) and joint pain (97.1%), with the majority (74.8%) having both small and large joint involvement. Nearly half of the patients, 99 (48.1%), had a joint deformity. Comorbid conditions seen in this study were hypertension (17%), overweight in 43 (20.9%), and obesity in 8 (3.9%). Methotrexate was the most prescribed agent (82.5%), both as monotherapy and along with other medications, but 139 (67.5%) of them were on prednisolone, which 2/3 (122) of patients took for 6 months in duration. Conclusion RA accounted for nearly one-fifth of the patients coming to the rheumatology clinics, with females affected more, which is similar to reports from some African countries. Disease-modifying anti-rheumatic drugs are the most prescribed agents, but most patients are on a prolonged dose of prednisolone.
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Affiliation(s)
- Zerihun Bogale
- Department of Internal Medicine, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia,Correspondence: Zerihun Bogale, Tel +251-913-83-31-57, Email
| | - Yeweyenhareg Feleke
- Endocrinology and Metabolism Unit, Department of Internal Medicine, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
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Al-Ahmari AK. Prevalence of Hypertension and Its Associated Risk Factors Among Patients with Rheumatoid Arthritis in the Kingdom of Saudi Arabia. Int J Gen Med 2022; 15:6507-6517. [PMID: 35966507 PMCID: PMC9374201 DOI: 10.2147/ijgm.s370956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 08/04/2022] [Indexed: 11/26/2022] Open
Abstract
Purpose Data regarding hypertension prevalence among patients with rheumatoid arthritis in Saudi Arabia are scarce. This study was aimed at estimating the prevalence of hypertension and its associated risk factors among patients with rheumatoid arthritis in Saudi Arabia. Patients and Methods This was a cross-sectional study of adult patients with rheumatoid arthritis who presented at the OPD of two major hospitals in Riyadh city. Patient information such as demographic characteristics, comorbidities, drug use, and other clinical data were captured through medical record review and supplemented by patient interviews. Multivariate logistic regression was used to identify the significant factors for hypertension. Results The prevalence of hypertension was found in 32.35% of the 1490 rheumatoid arthritis patients who participated in our study. Logistic regression analyses revealed that advanced age, female sex, low education level, unemployment, smoking, and consulting with physicians less than two times within the past 12 months were risk factors for increased hypertension prevalence among patients with rheumatoid arthritis. A significantly higher risk of hypertension was observed among RA patients with obesity, diabetes, hyperlipidemia, cancer, kidney disease, osteoporosis, and Parkinson’s disease than among patients without these comorbidities. Conclusion Hypertension is highly prevalent among patients with rheumatoid arthritis, and advanced age, sex, low educational level, unemployment, smoking, and comorbidities are risk factors for increased hypertension prevalence.
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Affiliation(s)
- Abdullah K Al-Ahmari
- Department of Clinical Pharmacy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Riyadh, Saudi Arabia
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Alanazi F. Clinical Profile and Comorbidities Associated with Rheumatoid Arthritis Patients in Sudair, Saudi Arabia. J Pharm Bioallied Sci 2021; 13:S1583-S1587. [PMID: 35018034 PMCID: PMC8686902 DOI: 10.4103/jpbs.jpbs_300_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 05/01/2021] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic, debilitating condition that has a significant effect on the lives of patients, their families, and society at large. AIMS The aim is to determine the clinical profile and any comorbidities associated with RA patients in the Sudair region of Saudi Arabia. SUBJECTS AND METHODS Sixty patients were included in this cross-sectional observational study, both newly or already diagnosed with RA, fulfilling the 2010 American College of Rheumatology/European League Against Rheumatism Classification Criteria for RA. They were followed up in the rheumatology clinic in King Khalid Majmaah Hospital in the Majmaah province from January 2017 to December 2020. RESULTS The subjects' mean age was 47.87 ± 11.55 years, 52 female and 8 male (female-to-male ratio 6.5:1). About 23.3% of patients with RA had positive family history. The main comorbidities and associated diseases were hypertension (18.3%) and hypothyroidism (15%). The most frequently involved joints were the wrist, metacarpophalangeal, proximal interphalangeal, elbow, and knee joints. Subjects were positive in 66.7% for rheumatoid factor and 78.3% for anti-cyclic citrullinated peptide. Both markers were positive in 60% of the patients. CONCLUSION Approximately one-quarter of the studied group had a family history of RA. Hypertension followed by hypothyroidism was the most common comorbidities reported in our study.
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Affiliation(s)
- Fehaid Alanazi
- Department of Medicine, College of Medicine, Majmaah University, Al Majmaah, Saudi Arabia,Address for correspondence: Dr. FehaidAlanazi, Department of Medicine, College of Medicine, Majmaah University, Al Majmaah 11952, Saudi Arabia. E-mail:
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Al-Jabi SW, Seleit DI, Badran A, Koni A, Zyoud SH. Impact of socio-demographic and clinical characteristics on functional disability and health-related quality of life in patients with rheumatoid arthritis: a cross-sectional study from Palestine. Health Qual Life Outcomes 2021; 19:241. [PMID: 34645455 PMCID: PMC8513295 DOI: 10.1186/s12955-021-01874-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 09/30/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic autoimmune disorder, which has a significant impact on patients' health-related quality of life (HRQoL), and limits physical function as well as increases pain and fatigue. Therefore, this study aimed to evaluate the HRQoL and functional disability profile of patients with RA in Palestine to determine the socio-demographic and clinical features associated with low HRQoL and functional disability in patients with RA and to investigate the impact of drugs used on functional disability and HRQoL. METHODOLOGY A cross-sectional, observational study conducted at rheumatology clinics in Northern West-Bank, Palestine (Alwatani Hospital-Nablus, Khalil Suleiman Hospital-Jenin, Thabet Thatbet Hospital-Tulkarem, and Darweesh Nazzal Hospital-Qalqilia). EuroQoL-5 Dimension scale (EQ-5D-5L) was used to evaluate HRQoL, Health Assessment Questionnaire, Disability Index (HAQ-DI) to evaluate the functional disability, and the Health Assessment Questionnaire pain visual analog scale (HAQ-VAS) to evaluate pain. RESULTS 300 patients were included in the study, 229(76.3%) were females, the mean ± standard deviation age was 49 ± 13.10 years, and the median RA duration (lower-upper quartiles) was 6 (4-12) years. The median EQ-5D-5L index value and Euro QOL visual analogue scale (EQ-VAS) scores were 0.56 and 60, respectively. There was a significant strong positive correlation (R = 0.773; p < 0.001) between the EQ-5D-5L index values and the reported EQ-VAS scores. The median HAQ-DI and HAQ-VAS were 0.94 and 40, respectively. The results of multiple linear regression showed that treatment with biological DMARD (Etanercept), having work, higher income, absence of night pain, and absence of comorbid diseases were significantly associated with higher EQ-5D-5L index score (better HRQoL) and lower HAQ-DI scores (less disability). On the other hand, older age and the presence of morning stiffness were significantly associated with higher HAQ-DI scores (more disability). CONCLUSIONS This study revealed the impact of treatment, clinical variables, and socio-demographic factors on disability and HRQoL in RA patients. Healthcare providers should be aware of the association between treatment with biological DMARD and improved HRQoL and functional status to make early interventions that reduce disability and improve HRQoL in susceptible patients.
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Affiliation(s)
- Samah W. Al-Jabi
- grid.11942.3f0000 0004 0631 5695Department of Clinical and Community Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
| | - Diaa I. Seleit
- grid.11942.3f0000 0004 0631 5695Department of Clinical and Community Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
| | - Adnan Badran
- Department of Rheumatology, Jenin Government Hospital, Palestinian Ministry of Health, Jenin, Palestine
| | - Amer Koni
- grid.11942.3f0000 0004 0631 5695Department of Clinical and Community Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
- grid.11942.3f0000 0004 0631 5695Division of Clinical Pharmacy, Hematology and Oncology Department, An-Najah National University Hospital, Nablus, 44839 Palestine
| | - Sa’ed H. Zyoud
- grid.11942.3f0000 0004 0631 5695Department of Clinical and Community Pharmacy, College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
- grid.11942.3f0000 0004 0631 5695Poison Control and Drug Information Center (PCDIC), College of Medicine and Health Sciences, An-Najah National University, Nablus, 44839 Palestine
- grid.11942.3f0000 0004 0631 5695Clinical Research Centre, An-Najah National University Hospital, Nablus, 44839 Palestine
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Al-Sohaim A, Bawazir AS, Al-Turki T, Alsafi EO, Al-Roqy A, Layqah L, Baharoone SA. The risk of tuberculosis infection in 410 Saudipatients receiving adalimumab therapy. Ann Saudi Med 2021; 41:285-292. [PMID: 34618606 PMCID: PMC8497010 DOI: 10.5144/0256-4947.2021.285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Adalimumab is a fully humanized monoclonal antibody inhibitor of tumor necrosis factor-a used to treat various autoimmune disorders. Adalimumab poses a risk for tuberculosis (TB) infection, especially in countries where TB is endemic. OBJECTIVE Determine the rate of TB infection after adalimumab therapy in Saudi Arabia. DESIGN Medical record review. SETTINGS Tertiary care center in Riyadh. PATIENTS AND METHODS Demographic and clinical data were retrieved from the electronic healthcare records of all patients who received adalimumab treatment from 2015 to 2019. MAIN OUTCOME MEASURES Occurrence of TB after adalimumab therapy. SAMPLE SIZE 410 patients (median ([QR] age, 37 [28], range 4-81 years), 40% males RESULTS: Rheumatoid arthritis was the most frequent indication (n=153, 37%). The patients were followed for a mean of 36 (8.9) months. No case of TB infection or reactivation was observed. An inter-feron-gamma release assay (IGRA) was requested in 353/391 (90.3%) patients, prior to initiating therapy. The IGRA was positive in 26 cases (6.6%). The IGRA-positive patients received isoniazid prophylactically. Bacterial infectious complications of adalimumab therapy occurred in 12 (2.9%) patients. Urinary tract infection was the most frequent complication (culture requested in 48 patients, positive in 8). CONCLUSION Adalimumab treatment was not associated with a risk of TB disease or TB reactivation in our cohort over the follow-up observation period. No TB reactivation occurred with adalimumab therapy when TB prophylaxis was used. The positive IGRA rate in patients on adalimumab treatment was low (7%). LIMITATIONS Single center and one geographical area in Saudi Arabia. CONFLICT OF INTEREST None.
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Affiliation(s)
- Abdullah Al-Sohaim
- From the Department of Medicine, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | | | - Turki Al-Turki
- From the Department of Medicine, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Eiman Omar Alsafi
- From the Department of Quality Management, King Saud Chest Specialty Hospital, Riyadh, Saudi Arabia
| | - Abdullah Al-Roqy
- From the Department of Medicine, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Layla Layqah
- From the Research Office, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia.,From the King Saud bin Abdul-Aziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Salim Alawi Baharoone
- From the Department of Intensive Care, King Abdulaziz Medical City, Riyadh, Saudi Arabia
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Dessie G, Tadesse Y, Demelash B, Genet S, Malik T, Dejenie TA. Evaluation of C-Reactive Protein and Associated Factors Among Patients Suffering from Rheumatoid Arthritis at Tikur Anbessa Specialized Hospital, Addis Ababa, Ethiopia. Open Access Rheumatol 2021; 13:247-255. [PMID: 34456591 PMCID: PMC8387308 DOI: 10.2147/oarrr.s325308] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 08/12/2021] [Indexed: 12/30/2022] Open
Abstract
Background Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disorder, which is associated with increased pro-inflammatory mediators to induce an elevation in acute-phase response, migration of immune cells and swelling of synovial joints. Evaluation of the level of C-reactive protein and associated risk factors in RA patients was the main aim of this study. Identifying the association between disease activity of RA (hsCRP) and socio-demographic characteristics was another aim of the study. Methods Institution-based cross-sectional study was conducted at the Rheumatology Clinic of Tikur Anbessa Specialized Hospital. In this study, the level of hsCRP was measured in both case and control groups. Simple descriptive statistics, multivariate analysis, independent sample t-test were utilized for statistical analysis. The strength of association between different risk factors and hsCRP was measured using odds ratio and 95% confidence interval. P-value < 0.05 was considered as statistically significant. Result The result of this study showed that the hsCRP level was significantly higher among RA patients as compared to the control groups (P-value = 0.004). There was an association between smoking and high disease activity status (AOR= 20.03, p= 0.40). Low economic status had a statistically significant association with high hsCRP level (AOR = 12.79, p=0.00). In this study, 42 RA patients had >3mg/l hsCRP level with different occupational exposures. On the other hand, 31 RA patients had <3mg/l hsCRP level among different exposures. Although there was no statistically significant association, the association between associated risk factors (oil consumption, physical exercise, educational status) and disease activity was computed in this study. Conclusion The inflammatory marker, hsCRP was significantly higher among patients as compared to controls. The higher hsCRP showed a high grade of systemic inflammation in RA patients. C-reactive protein was elevated in rheumatoid factor positive patients and patients with high BMI value. Additionally, the result of our study showed that different socio-economic factors had an association with disease activity of RA.
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Affiliation(s)
- Gashaw Dessie
- Department of Biochemistry, School of Medicine, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Yewondwossen Tadesse
- Department of Internal Medicine, School of Medicine, Addis Ababa University, Addis Ababa, Ethiopia
| | - Birhanu Demelash
- Department of Internal Medicine, School of Medicine, Addis Ababa University, Addis Ababa, Ethiopia
| | - Solomon Genet
- Department of Biochemistry, School of Medicine, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | - Tabarak Malik
- Department of Biochemistry, School of Medicine, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Tadesse Asmamaw Dejenie
- Department of Biochemistry, School of Medicine, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
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Bawazir YM. Clinicodemographic Profiles of Rheumatoid Arthritis Patients from a Single Center in Saudi Arabia. Open Access Rheumatol 2020; 12:267-275. [PMID: 33262665 PMCID: PMC7700089 DOI: 10.2147/oarrr.s277956] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/06/2020] [Indexed: 12/18/2022] Open
Abstract
Purpose Rheumatoid arthritis (RA), if left untreated, can lead to joint damage and deformity, disability, and even death. Hence, early diagnosis and management are essential to improve clinical and functional outcomes. This study aimed to identify the most common variables and risk factors related to RA activity among patients living in the Kingdom of Saudi Arabia (KSA). Patients and Methods This study was conducted between January 2018 and March 2019 on consecutive patients diagnosed with RA at a tertiary care hospital in KSA. Adult patients (≥18 years old) diagnosed with RA based on the American College of Rheumatology 2010 criteria were recruited. The Disease Activity Score-28 for Rheumatoid Arthritis with CRP (DAS28-CRP) and health assessment questionnaire disability index (HAQ-DI) were calculated for 75 patients attending the rheumatology clinic during the study period to evaluate the rate of remission and functional capacity, and to compare findings with other local studies after assessing the relationship of these factors with medication use and existing comorbidities. Results The majority of the 75 patients were female (n=64), with a mean age of 49.7 years and average disease duration of 130 days. The median HAQ-DI was less than 0.5 (range 0–1.95). The DAS28-CRP scores revealed moderate disease activity in 45.3% and low disease or remission in 38.6% of the patients. Many patients (45.3%) were treated with methotrexate, and the most commonly used biological treatment was adalimumab in 14.6%. Comorbidities included hypertension (26.7%) and diabetes mellitus (18.7%). There was a strong association between cardiovascular diseases and a high DAS28-CRP score (p < 0.001). Conclusion A higher RA activity rate was observed. This may be related to difficultly accessing rheumatology clinics in our facility and financial difficulties accessing biological treatments.
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Morgan SL, Baggott JE. The importance of inhibition of a catabolic pathway of methotrexate metabolism in its efficacy for rheumatoid arthritis. Med Hypotheses 2018; 122:10-15. [PMID: 30593388 DOI: 10.1016/j.mehy.2018.10.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 09/14/2018] [Accepted: 10/05/2018] [Indexed: 11/19/2022]
Abstract
Methotrexate (MTX), an antifolate, is the anchor drug for the treatment of rheumatoid arthritis (RA). It is inexpensive, effective, and generally safe. When clinical response is inadequate, biological therapies are commonly used in combination with MTX. However, biological agents have safety concerns (i.e. infections, malignancy) and the addition of a biologic agent is expensive, making strategies to improve MTX efficacy important. Inhibition of pathways of folate metabolism involving purine metabolism by MTX, have been traditionally emphasized as important in MTX efficacy. However, inhibition MTX catabolism may also be important. MTX is irreversibly hydroxylated to form 7-hydroxy methotrexate (7-OH-MTX) by aldehyde oxidase (EC 1.2.3.1) (AOX). Catabolism of MTX to 7-OH-MTX is the first metabolic process imposed on an oral dose of MTX and will alter subsequent interactions of MTX with other enzymes. 7-OH-MTX is less potent than MTX in the treatment of rat adjuvant arthritis. RA patients with a low capacity to catabolize MTX to 7-OH-MTX do better clinically than individuals who are rapid formers of 7-OH-MTX. Therefore, altering the catabolism of MTX may be an innovative way to improve MTX efficacy. Raloxifene is a FDA-approved therapy for postmenopausal osteoporosis and for the reduction of invasive breast cancers but has no known activity in RA. Raloxifene is a potent inhibitor of human liver AOX. Postmenopausal women with RA frequently have low bone mineral density and would be candidates for raloxifene and MTX combination therapy. The effect of raloxifene on MTX metabolism has never been studied. Our hypothesis is that in postmenopausal women with RA and osteoporosis treated with MTX and raloxifene, the inhibition of AOX with resultant decreased formation of 7-OH MTX; will increase MTX levels and improve MTX efficacy. This hypothesis could be studied in an open-label, proof of concept clinical study in individuals before and after the addition of raloxifene. Red blood cell MTX and 7-OH-MTX levels and RA disease activity (DAS28) would be measured. In possible future studies, there are dietary substances, as supplements, (e.g. epigallocatechin gallate in green tea and resveratrol) which inhibit human liver AOX which could be evaluated.
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Affiliation(s)
- Sarah L Morgan
- Division of Clinical Immunology and Rheumatology, Department of Medicine, School of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States.
| | - Joseph E Baggott
- Division of Clinical Immunology and Rheumatology, Department of Medicine, School of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States
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Antirheumatic Medicine Prescribing Patterns and Direct Medicine Costs in the South African Private Health Sector. Value Health Reg Issues 2018; 16:99-105. [DOI: 10.1016/j.vhri.2018.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 04/24/2018] [Accepted: 05/23/2018] [Indexed: 11/18/2022]
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Chen CI, Wang L, Wei W, Yuce H, Phillips K. Burden of rheumatoid arthritis among US Medicare population: co-morbidities, health-care resource utilization and costs. Rheumatol Adv Pract 2018; 2:rky005. [PMID: 31431954 PMCID: PMC6649951 DOI: 10.1093/rap/rky005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 01/22/2018] [Indexed: 01/24/2023] Open
Abstract
Objectives The study aimed to assess the burden of RA among the US Medicare population (aged ≥65 years) by comparing co-morbidities, health-care resource utilization (HCRU) and costs against matched non-RA Medicare patients. Methods Data were obtained from the Medicare fee-for-service claims database from 2010 to 2013. RA Medicare patients were identically matched with Medicare patients without RA (controls) based on demographics. Bivariate analyses were conducted to examine differences between cohorts for co-morbidities, HCRU and costs. A generalized linear model was used to test relationships between patient-level characteristics, HCRU and costs. Results The study population included 115 867 RA patients and 115 867 age-, sex-, race- and region-matched non-RA controls. Mean age was 75.2 years; 79.4% were female. Co-morbidities were greater in RA vs non-RA patients [Charlson Co-morbidity Index (excluding RA): 1.86 vs 1.00; P < 0.0001]. All-cause annual HCRU was greater in RA vs non-RA patients. Total annual health-care costs were ∼3-fold higher in RA vs non-RA patients ($20 919 vs $7197, respectively; P < 0.0001) with the major driver of costs in the RA cohort being outpatient costs. Approximately half of the overall costs in the RA cohort were RA related ($11 587). After controlling for differences in patient characteristics and co-morbidities between cohorts, the adjusted total mean annual costs for RA patients were still more than twice those of non-RA patients ($16 374 vs $6712; P < 0.0001). Conclusions Among US Medicare patients, those with an RA diagnosis had a significantly greater burden of co-morbidities, HCRU and costs compared with a matched cohort without RA.
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Affiliation(s)
| | | | | | - Huseyin Yuce
- New York City College of Technology, New York, NY
| | - Kristine Phillips
- Vanderbilt University Medical Center, Division of Rheumatology & Immunology, Nashville, TN.,University of Michigan, Department of Internal Medicine/Rheumatology Ann Arbor, MI, USA
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Sakr BR, Elfishawi MM, ElArousy MH, Hatw AK, AbdulKarim AN, Tammam AB, Kotp AN, Hamed ME, Genedy IE, Desouky EDE, Nawito ZO. Rheumatoid arthritis: A single-center Egyptian experience. Immunol Invest 2018; 47:293-302. [DOI: 10.1080/08820139.2018.1425700] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- B. R Sakr
- Rheumatology and Rehabilitation Department, Kasr Al-Ainy Hospital, Cairo University , Cairo, Egypt
| | - M. M Elfishawi
- Rheumatology and Rehabilitation Department, Kasr Al-Ainy Hospital, Cairo University , Cairo, Egypt
| | - M. H ElArousy
- Medical students, faculty of medicine, Cairo University , Cairo, Egypt
| | - A. K Hatw
- Medical students, faculty of medicine, Cairo University , Cairo, Egypt
| | - A. N AbdulKarim
- Medical students, faculty of medicine, Cairo University , Cairo, Egypt
| | - A. B Tammam
- Medical students, faculty of medicine, Cairo University , Cairo, Egypt
| | - A. N Kotp
- Medical students, faculty of medicine, Cairo University , Cairo, Egypt
| | - M. E Hamed
- Medical students, faculty of medicine, Cairo University , Cairo, Egypt
| | - I. E Genedy
- Medical students, faculty of medicine, Cairo University , Cairo, Egypt
| | - E. D. El Desouky
- Epidemiology and Biostatistics Department, National Cancer Institute, Cairo University , Cairo, Egypt
| | - Z. O. Nawito
- Rheumatology and Rehabilitation Department, Kasr Al-Ainy Hospital, Cairo University , Cairo, Egypt
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Olivier N, Burger J, Joubert R, Lubbe M, Naudé A, Cockeran M. Chronic disease list conditions in patients with rheumatoid arthritis in the private healthcare sector of South Africa. Rheumatol Int 2017; 38:837-844. [PMID: 29234875 DOI: 10.1007/s00296-017-3907-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 12/05/2017] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Little is known about the burden of rheumatoid arthritis (RA) in South Africa. The aim of this study was to establish the prevalence of RA and coexisting chronic disease list (CDL) conditions in the private health sector of South Africa. METHODS A retrospective, cross-sectional analysis was performed on medicine claims data from 1 January 2014 to 31 December 2014 to establish the prevalence of RA. The cohort of RA patients was then divided into those with and those without CDL conditions, to determine the number and type of CDL conditions per patient, stratified by age group and gender. RESULTS A total 4352 (0.5%) patients had RA, of whom 69.3% (3016) presented with CDL conditions. Patients had a median age of 61.31 years (3.38; 98.51), and 74.8% were female. Patients with CDL conditions were older than those patients without (p < 0.001; Cohen's d = 0.674). Gender had no influence on the presence of CDL conditions (p = 0.456). Men had relatively higher odds for hyperlipidemia (OR 1.83; CI 1.33-2.51; p < 0.001) and lower odds for asthma (OR 0.83; CI 0.48-1.42; p = 0.490) than women. In combination with hyperlipidemia, the odds for asthma were reversed and strongly increased (OR 6.74; CI 2.07-21.93; p = 0.002). The odds for men having concomitant hyperlipidemia, hypertension, type 2 diabetes mellitus and hypothyroidism were insignificant and low (OR 0.40; CI 0.16-1.02; p = 0.055); however, in the absence of hypothyroidism, the odds increased to 3.26 (CI 2.25-4.71; p < 0.001). CONCLUSION Hypothyroidism was an important discriminating factor for comorbidity in men with RA. This study may contribute to the body of evidence about the burden of RA and coexisting chronic conditions in South Africa.
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Affiliation(s)
- Nericke Olivier
- Medicine Usage in South Africa (MUSA), North-West University (Potchefstroom Campus), Private Bag X6001, Potchefstroom, 2520, South Africa
| | - Johanita Burger
- Medicine Usage in South Africa (MUSA), North-West University (Potchefstroom Campus), Private Bag X6001, Potchefstroom, 2520, South Africa.
| | - Rianda Joubert
- Medicine Usage in South Africa (MUSA), North-West University (Potchefstroom Campus), Private Bag X6001, Potchefstroom, 2520, South Africa
| | - Martie Lubbe
- Medicine Usage in South Africa (MUSA), North-West University (Potchefstroom Campus), Private Bag X6001, Potchefstroom, 2520, South Africa
| | - Adele Naudé
- Medicine Usage in South Africa (MUSA), North-West University (Potchefstroom Campus), Private Bag X6001, Potchefstroom, 2520, South Africa
| | - Marike Cockeran
- Statistics, School of Computer, Statistical and Mathematical Sciences, North-West University (Potchefstroom Campus), Potchefstroom, South Africa
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Palmer D, El Miedany Y. Tackling comorbidity associated with rheumatic diseases in standard practice. BRITISH JOURNAL OF NURSING (MARK ALLEN PUBLISHING) 2017; 26:380-387. [PMID: 28410044 DOI: 10.12968/bjon.2017.26.7.380] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In spite of the dramatic improvement of the long-term prognosis of inflammatory arthritic conditions, patients living with arthritis remain more likely to have a shorter lifespan in contrast to the age-matched population without arthritis. This high incidence of morbidity-mortality has been attributed to an increased prevalence of comorbidities, particularly cardiovascular disease, infections, and the development of malignant space-occupying lesions. In spite of the published guidelines highlighting the importance of comorbidity assessment and management, implementing these recommendations in standard clinical practice remains a challenge for the treating rheumatologists and rheumatology nurse specialists. This article will review the challenge of comorbidity in inflammatory arthritic conditions and its dynamic nature, the impact on patient management, as well as recent trends in the screening and assessment of comorbidity risk in standard clinical practice.
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Affiliation(s)
- Deborah Palmer
- Advanced Nurse Practitioner, North Middlesex University Hospital, London
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15
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Singh S, Lihite RJ, Baruah C, Lahkar M, Singh PK. A pilot study ofcomorbidities in patients with rheumatoid arthritis at a tertiary care hospital in Northeast India. BIOMEDICAL RESEARCH AND THERAPY 2016. [DOI: 10.7603/s40730-016-0001-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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16
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Comparison of comorbidities of the Egyptian rheumatoid arthritis patients to the global cohort of the COMORA study: a post-hoc analysis. Clin Rheumatol 2015; 35:1153-9. [PMID: 26670453 DOI: 10.1007/s10067-015-3142-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 10/31/2015] [Accepted: 12/02/2015] [Indexed: 12/28/2022]
Abstract
The aims of this study are to present the results of Egyptian RA patients included in COMORA cohort and compare it to general COMORA cohort, concerning prevalence of comorbidities, and level of application of recommendations related to detection/prevention of comorbidities. Three-hundred eight Egyptian RA patients included in the cross-sectional, observational, multi-center, international study "COMORA", were compared to the total number of 3612 RA patients. The CRF of COMORA was used in all patients. CRF collects demographic and disease characteristics, comorbidities, risk factors, and compliance with recommendations regarding management of comorbidities. Data were analyzed according to COMORA protocol. Egyptian RA patients were significantly younger, had more active disease, and were more functionally disabled. They showed more frequent use of NSAIDs, methotrexate and steroids and significantly lower use of bDMARDs when compared to non-Egyptians. Egyptian patients had the highest ever HCV prevalence, while depression, hypertension, smoking and dyslipidemia were less prevalent in Egyptians. Prevalence of malignancy risk factors was highly deficient among Egyptians; primarily due to lack of screening. Further, following recommendations for monitoring comorbidities is significantly deficient among Egyptian patients. Egyptian patients had more active disease and more functional impairment than the rest of the COMORA cohort; with lower use of bDMARDs, that is possibly related to the economic situation. Also, there is a clear gap in screening and monitoring comorbidities. Awareness among Egyptian healthcare providers (and possibly similar third-world countries) to detect and manage RA-related comorbidities is required.
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Sangiorgi D, Benucci M, Nappi C, Perrone V, Buda S, Degli Esposti L. Drug usage analysis and health care resources consumption in naïve patients with rheumatoid arthritis. Biologics 2015; 9:119-27. [PMID: 26604680 PMCID: PMC4642803 DOI: 10.2147/btt.s89286] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVES The use of biologic agents has revolutionized the management of rheumatoid arthritis (RA) in the past 2 decades. These biologic agents directly target molecules and cells involved in the pathogenesis of RA. The purpose of this study was to assess the usage of biologic agents in terms of persistence to treatment, dose escalation, and consumption of health care resources (hospitalizations, drugs, and outpatients service) in the real clinical practice in naïve patients with RA. METHODS We conducted a real-world, retrospective, observational cohort study based on data obtained from administrative databases of three Local Health Units in Italy. The population included adults diagnosed with RA who had at least one prescription between January 1, 2009 and December 31, 2011, for a biologic that was approved for treatment of RA. The patients were followed for 12 months after enrollment. The clinical characteristics of the patients enrolled in this study were also investigated in the 1-year period before the index date. The main and secondary endpoints were evaluated only in biologic-naïve patients without switches. The overall health care costs for patients were evaluated. RESULTS A total of 594 patients met the study criteria (mean age 53.5±13.5, female:male ratio =3:1). Thirty-nine percent received etanercept, 25% adalimumab, 14% infliximab, 10% abatacept, 9% tocilizumab, and 3% golimumab. After 1 year of observation, patients showed similar use of other RA-related medication. For the naïve patients without switches, the persistence levels were: 78% for etanercept, 72% for tocilizumab, 71% for adalimumab, 69% for infliximab, and 64% for abatacept. For all agents, dose escalation was 21.4% for infliximab, 11.5% for adalimumab, 5.6% for abatacept, 4% for tocilizumab, and 3.8% for etanercept. The annual costs per treated patients were €12,803 for adalimumab, €11,924 for etanercept, €11,830 for tocilizumab, €11,201 for infliximab, and €10,943 for abatacept. CONCLUSION The role of biologic therapies in the treatment of RA continues to evolve; our study reflects real-world drug utilization data in adult patients with RA. These observations could be used by decision makers to support formulary decisions, although further research is needed using a larger sample to validate these results.
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Affiliation(s)
- Diego Sangiorgi
- CliCon S.r.l., Health, Economics and Outcomes Research, Ravenna, Italy
| | - Maurizio Benucci
- Unit of Rheumatology, S. Giovanni di Dio Hospital, Florence, Italy
| | | | - Valentina Perrone
- CliCon S.r.l., Health, Economics and Outcomes Research, Ravenna, Italy
| | - Stefano Buda
- CliCon S.r.l., Health, Economics and Outcomes Research, Ravenna, Italy
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Radner H, Yoshida K, Mjaavatten MD, Aletaha D, Frits M, Lu B, Iannaccone C, Shadick N, Weinblatt M, Hmamouchi I, Dougados M, Smolen JS, Solomon DH. Development of a multimorbidity index: Impact on quality of life using a rheumatoid arthritis cohort. Semin Arthritis Rheum 2015. [DOI: 10.1016/j.semarthrit.2015.06.010] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Co-morditities of environmental diseases: A common cause. Interdiscip Toxicol 2014; 7:117-22. [PMID: 26109888 PMCID: PMC4434104 DOI: 10.2478/intox-2014-0016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Revised: 08/01/2014] [Accepted: 08/02/2014] [Indexed: 12/29/2022] Open
Abstract
The global pandemic of non-vector borne environmental diseases may, in large part, be attributed to chronic exposures to ever increasing levels of exogenous lipophilic chemicals. These chemicals include persistent organic pollutants, semi-volatile compounds and low molecular weight hydrocarbons. Such chemicals facilitate the sequential absorption of otherwise not absorbed more toxic hydrophilic species that attack numerous body organs and systems, leading to environmental disease. Co-morbidities of non-communicable environmental diseases are alarmingly high, with as many as half of all individuals chronically ill with two or more diseases. Co-morbidity is to be anticipated, since all of the causative chemicals identified have independently been shown to trigger the individual diseases.
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Almoallim HM, Alharbi LA. Rheumatoid arthritis in Saudi Arabia. Saudi Med J 2014; 35:1442-54. [PMID: 25491208 PMCID: PMC4362178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The status of rheumatoid arthritis (RA) in Saudi Arabia (SA) was examined from various perspectives based on a systematic literature review and the authors' personal experiences. In this regard, database and journal search were conducted to identify studies on RA in SA, yielding a total of 43 articles. Although efforts have been made to promote RA research in SA, current studies mostly represent only a few centers and may not accurately portray the national status of RA care. Notably, biological therapies were introduced early for almost all practicing rheumatologists in SA (government and private). However, no national guidelines regarding the management of RA have been developed based on local needs and regulations. Also, while efforts were made to establish RA data registries, they have not been successful. Taken together, this analysis can contribute to the planning of future guidelines and directives for RA care in SA.
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Affiliation(s)
- Hani M. Almoallim
- From the Department of Medicine (Almoallim, Alharbi), Medical College, the Alzaidi Chair of Research in Rheumatic Diseases (Almoallim, Alharabi), Umm Alqura University, Makkah, and the Department of Medicine (Almoallim), Dr. Soliman Fakeeh Hospital, Jeddah, Kingdom of Saudi Arabia.,Address correspondence and reprint request to: Dr. Hani M. Almoallim, Department of Medicine, Medical College, Umm Alqura University, PO Box 1821, Jeddah 21441, Kingdom of Saudi Arabia. Fax. +966 (12) 5501000 Ext. 4652. E-mail:
| | - Laila A. Alharbi
- From the Department of Medicine (Almoallim, Alharbi), Medical College, the Alzaidi Chair of Research in Rheumatic Diseases (Almoallim, Alharabi), Umm Alqura University, Makkah, and the Department of Medicine (Almoallim), Dr. Soliman Fakeeh Hospital, Jeddah, Kingdom of Saudi Arabia.
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