Estimates of the global prevalence of rheumatoid arthritis (RA) range from 0.24 to 1%, but vary considerably around the globe. A variation in RA prevalence is also expected across Africa and the Middle East, due to ethnic, climate, and socioeconomic differences. To assess the prevalence of RA in Africa and the Middle East, we searched Medline (via PubMed) and databases of major rheumatology conferences. Seventeen journal articles and 0 abstracts met the inclusion criteria. Estimated prevalence ranged from 0.06 to 3.4%. Most studies reported values near or below 0.25%. Consistent with data from other regions, RA was more prevalent among urban than rural populations, and among women than men. The women:men prevalence ratio ranged from 1.3:1 to 12.5:1, which suggests notable differences from the global average of 2:1. Relative increases in prevalence were observed in North Africa and the Middle East (13% since 1990) and Western Sub-Saharan Africa (14%), whereas rates in Eastern, Central, and Southern Sub-Saharan Africa show decreases (4–12%). Low disease awareness, delays to visit rheumatologists, and socioeconomic factors appear to hinder early diagnosis and aggressive treatment. Few countries have developed RA-specific treatment guidelines, and many physicians and patients face limited access to even basic treatments. An improved understanding of the epidemiology and management of RA, and the related socioeconomic consequences is necessary, so that targeted attempts can be made to encourage early diagnosis and treatment.

Objective: Conventional treatment of systemic lupus erythematosus (SLE) and lupus nephritis (LN) is associated with damage accrual, hence increased morbidity rate. Off-label use of rituximab (RTX) has shown significant promise in this patient group; however, data are still controversial. We aimed to analyze the outcomes of RTX therapy in refractory lupus using a meta-analysis approach. Methods: Electronic search of the medical literature was conducted using a combination of relevant keywords to retrieve studies on the safety and efficacy of RTX in SLE and LN patients. Results were screened against our inclusion and exclusion criteria and two reviewers independently extracted the data for analysis. Comprehensive meta-analysis software was used to pool the data from individual studies and provide summary effect estimates. Results: Thirty-one studies that enrolled 1112 patients were finally eligible for the meta-analysis. The overall global, complete, and partial response rates to RTX therapy were 72%, 46%, and 32%, respectively. RTX significantly decreased Systemic Lupus Erythematosus Disease Activity Index (SLEDAI) and British Isles Lupus Activity Group (BILAG) scores (p

Anti-tumor necrosis factor-alpha induced lupus (ATIL) represents a major diagnostic and therapeutic challenge. Most cases of ATIL are caused by infliximab, followed by etanercept and adalimumab. Symptoms can range from common, mild cutaneous lesions to rare, serious pleural or pericardial effusions, deep venous thrombosis, life-threatening pneumonitis, and neuritis. Constitutional symptoms often present in association with positive autoantibody serology. Diagnosis can be considered if there is a temporal relationship between symptoms and anti-tumor necrosis factor-α (TNF- α) therapy and at least one serologic and one non-serologic American College of Rheumatology criteria. Since it is contraindicated to use anti-TNF-α drugs in patients with systemic lupus erythematosus, it is recommended to perform a thorough immunological screening in any patient with polyarthritis to assure accurate diagnosis. In addition, prior to anti- TNF therapy, baseline immunological investigations (including antinuclear antibodies) should be performed, and there should be close follow up to assess the development of lupus manifestations. The main approach in the treatment of ATIL is withdrawal of the offending drug. Traditional therapy with corticosteroids and immunosuppressive agents may be required to achieve full resolution of lupus symptoms. In this review, we discuss the pathogenesis, clinical manifestations, and management of ATIL.

Background: Even after achieving tremendous advances in diagnosis and treatment of rheumatoid arthritis (RA), many of the patients undergo delays in diagnosis and initiation of treatment, which leads to worsening of the condition and poor prognosis. Objective: The objective of this study was to perform a literature review to quantify the lag times in diagnosis and treatment of RA and study the reported factors associated with it. Methods: The authors searched literature published until September 2016 in electronic full-text and abstract databases and hand-searched the suitable articles. Results: The weighted average of median lag time from symptom onset to therapy was 11.79 months (12 studies, 5,512 patients, range 3.6–24.0 months). Lag1 was 3.14 months (onset of symptoms to first physician consultant; 12 studies, 6,055 patients, range 0–5.7 months); lag2 was 2.13 months (physician visit to RA specialist referral; 13 studies, 34,767 patients, range 0.5–6.6 months); lag3 was 2.91 months (consultation with rheumatologist to diagnosis; 3 studies, 563 patients, range 0–5 months), lag4 was 2.14 months (diagnosis to initiation of disease-modifying antirheumatic drug therapy; 5 studies, 30,685 patients, range 0–2.2 months). Numerous patient- and physician-related factors like gender, ethnicity, primary care physician knowledge of the condition, availability of diagnostics, and so on were responsible for the delays. Conclusion: This review estimated the delay times and identified the main factors for delay in RA patients in diagnosis and initiation of treatment. A most plausible solution to this is coordinated effort by the rheumatology and primary care physicians.

In contrast to most regions of the world where a decline of the HIV epidemic can be seen, data from the Middle East and North Africa (MENA) region suggests increasing incidence among key populations in the region. Accurate data collection has long been limited by social, cultural, and religious taboos. Understanding knowledge levels and attitudes toward HIV/AIDS is an important component to design adequate and culturally appropriate awareness and prevention programs. A survey was conducted including 3841 participants during a series of public HIV/AIDS awareness campaigns from 2013 to 2015 in Jeddah, Saudi Arabia. Participants completed a questionnaire including socio-demographic data, and questions around knowledge and attitudes toward HIV/AIDS. A knowledge score was created. Frequencies were calculated for all variables, mean knowledge scores were compared using non-parametric tests. Categorical variables were compared using Chi-squared test. The mean knowledge score was 5.2 out of 9 possible points. Respondents in the age class 19-25, respondents with university degrees, and those who know people living with HIV/AIDS had higher scores. Overall the attitude toward people living with HIV/AIDS was negative, more than 40% suggested that HIV positive people should be isolated and less than 20% would support a marriage with an HIV positive person. Negative attitudes were more common among people in older age groups, with a lower educational background, and respondents that did not know anyone living with HIV/AIDS. Knowledge gaps and negative attitudes of the general public toward people living with HIV/AIDS have been identified and can be used to tailor educational campaigns in Saudi Arabia.

Vitamin D is proposed to have a potential role in the pathogenicity, clinical presentation, prognosis, complications, and treatment of several diseases. In addition to its well-known role in calcium metabolism, vitamin D regulates both innate and adaptive immunity, and subsequently modulates the antiviral and antibacterial inflammatory immune responses. In view of the emerging coronavirus disease 2019 (COVID-19) pandemic, searching for potential therapeutic and protective strategies is of urgent interest, and vitamin D is one of the promising agents in this field. In this review, we present data from literature that supports the promising role of vitamin D in treatment and/or prevention of several infections including severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This review summarizes vitamin D metabolism and its role in inflammation, thrombosis and immune regulation. It also reviews, in short, the role of vitamin D and the impact of its deficiency in several infections namely tuberculosis, influenza, human immunodeficiency virus (HIV), and SARS-CoV-2. Considering the roles of vitamin D on immune modulation, controlling of thrombosis, and attacking several microorganisms, the current review will elaborate on the association between these salient roles of vitamin D and the pathogenicity of various infectious agents including COVID-19. Consequently, the comprehensive finding of the current review shows a possible significant impact of vitamin D supplement as a hope in preventing, treating, and/or improving the progression of certain infections, specifically during the worldwide attempts to fight against the COVID-19 pandemic and minimize the severity of health complications encountered accordingly. In addition, avoiding a status of vitamin D deficiency to obtain its positive effects on the immune system and its protective mechanism during infections will be a general benefit overall.