Influence of genetic polymorphisms on pharmacokinetics and treatment response of mycophenolic acid: a scoping review.

This scoping review explores the impact of genetic polymorphisms on the pharmacokinetics and treatment responses of mycophenolic acid (MPA), an immunosuppressant. The study includes 83 articles from 1226 original studies, focusing on transplantation (n = 80) and autoimmune disorders (n = 3). Genetic variants in uridine 5'-diphospho-glucuronosyltransferase (UGT1A9, UGT1A8 and UGT2B7) and transmembrane transporters (ABCC2, SLCO1B1, SLCO1B3 and ABCB1) significantly affected MPA's pharmacokinetics and susceptibility to its adverse effect. Whereas variants in several genes including UGT1A9, UGT2B7, IMPDH1 and IMPDH2 have been associated with a higher risk of transplant rejection. However, there is a lack of studies on MPA's impact on autoimmune disorders and limited research on the Asian population. The findings underscore the need for further research on MPA's impact across different populations and diseases, particularly among other Asian ethnic groups, to advance personalized medicine in MPA therapy.

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Predictive factors of psoriatic arthritis in a diverse population with psoriasis.

OBJECTIVE: We aimed to analyze the clinical characteristics of patients with psoriasis and determine the predictive factors of psoriatic arthritis (PsA). METHODS: This retrospective cohort study was performed among patients with psoriasis. Demographic and clinical data were collected. Psoriasis treatment was categorized as topical agents, phototherapy, oral therapy, and biologics. Predictive factors of PsA development were determined using logistic regression analyses. RESULTS: We included 330 patients with psoriasis, and 83 (25%) patients developed PsA. Thirty-eight (45.8%) patients who developed PsA were Malay, 24 (28.9%) were Chinese, and 21 (25.3%) were Indian. The mean age of patients with PsA was 54.2 (±15.8) years, and the duration from diagnosis of psoriasis to diagnosis of PsA was 36 (3.5-114) months. Predictive factors for developing PsA were female sex (odds ratio [OR] = 3.33, 95% confidence interval [CI] 1.78-6.22), presence of nail involvement (OR = 5.36, 95% CI 2.50-11.51), severe psoriasis (OR = 27.41, 95% CI 7.58-99.11), and oral systemic therapy prior to PsA diagnosis (OR = 4.09, 95% CI 2.04-8.22). CONCLUSION: Patients with psoriasis who are female, have nail involvement, severe skin psoriasis, and require oral systemic therapy for psoriasis may have an increased risk of developing PsA.

2D shear wave elastography for the assessment of quadriceps entheses-a methodological study.

OBJECTIVE: To establish the scanning protocol for 2-dimensional shear wave elastography (SWE) on normal entheses by investigating the possible confounding factors that may increase the variability of measured elasticity. MATERIAL AND METHODS: 30 normal quadriceps entheses were scanned using SWE to compare the stiffness and coefficient variation by changing the ultrasonic coupling gel thickness, knee position, region of interest size, and scanning plane. RESULTS: No significant difference in median shear wave velocity (SWV) was observed in different coupling gel thicknesses. The median SWV was higher in the knee flexion position than in the extended position (p < 0.001). Increased knee flexion led to stiffer quadriceps enthesis and higher SWV (ρ = 0.8, p < 0.001). The median SWV was higher when the diameter region of interest was 4.0 mm than 2.0 mm (p = 0.001). The median SWV was higher in the transverse plane than in the longitudinal plane (p < 0.001). Strong correlation was found between SWV and the degree of the shear wave to muscle fiber direction (ρ = 0.8, p < 0.001). The coefficient variation was lower in a gel thickness of 2.5 cm, with an extended knee, a region of interest of 2.0 mm, and a longitudinal plane (p > 0.05). For interobserver reliability for the proposed protocol, the intraclass correlation coefficients was 0.763. CONCLUSION: In this study, we determined supine position with the knee extended; using 2.0 mm diameter region of interest and image acquisition at the longitudinal plane with thicker layer coupling gel seems most appropriate to reliably image healthy quadriceps entheses with SWE.

Exploring Malaysian Physicians' Intention to Discriminate Against Gay, Bisexual, and Other Men Who Have Sex with Men Patients.

Purpose: Gay, bisexual, and other men who have sex with men (MSM) experience high levels of stigma and discrimination. Minimizing the stigma and discrimination is critical to fostering an inclusive environment for care and optimizing health outcomes. This study aimed at exploring the factors related to physicians' intention to discriminate against MSM in Malaysia. Methods: Physicians (N = 542) from two university-affiliated hospitals in Kuala Lumpur, Malaysia, completed an online cross-sectional survey between January and March 2016. Measures included sociodemographic and clinical characteristics, intention to discriminate against MSM, and several stigma-related constructs. Bivariate and multivariable linear regressions were used to evaluate independent correlates of discrimination intent against MSM. Results: Physicians' intention to discriminate against MSM was low (mean [M] = 1.9, standard deviation [SD] = 0.7), but most physicians (70.6%) had a mean score greater than 1.0, indicating that most physicians expressed some degree of intention to discriminate against MSM. A minority of physicians (10.7%), however, had a score of 3.0 or higher, revealing some physicians holding a moderate to high level of discrimination intent toward MSM. The multivariable model demonstrated that physicians who expressed greater prejudice (B = 0.30, p < 0.01), had more MSM-related shame (B = 0.19, p < 0.01), and fear about MSM (B = 0.31, p < 0.01) were more likely to have the intention to discriminate against MSM. Conclusion: Stigma-related constructs including prejudice, MSM-related shame, and fear were independently correlated with increases in a physician's intention to discriminate against MSM. Therefore, implementing interventions to reduce physicians' stigma toward MSM may promote equitable and stigma-free access to health care.

Fatigue and associated factors in a multi-ethnic cohort of rheumatoid arthritis patients.

INTRODUCTION: Fatigue is an important yet infrequently evaluated component in patients with rheumatoid arthritis (RA) and may have a major impact on quality of life. OBJECTIVES: To evaluate fatigue, identify factors associated with fatigue and assess the effect of fatigue on health-related quality of life (HRQoL) in a multi-ethnic cohort of RA patients. METHODS: A cross-sectional study was performed in patients who fulfilled European League Against Rheumatism/ American College of Rheumatology 2010 criteria for RA. Functional Assessment of Chronic Illness Therapy - Fatigue (FACIT-F) questionnaire was used to assess fatigue. Potential factors for fatigue were categorized into RA-related (gender, seropositivity [rheumatoid factor and/or anti-citrullinated protein antibody], disease duration, visual analog scale pain score, Disease Activity Score of 28 joints - erythrocyte sedimentation rate [DAS28-ESR], ESR, hemoglobin level, functional disability [Health Assessment Questionnaire - Disability Index, HAQ-DI score], EQ-5D-3L, concomitant prednisolone use and number of conventional synthetic disease-modifying anti-rheumatic drugs [csDMARDs] used) and non-RA-related (age, body mass index, ethnicity and number of co-morbidities). RESULTS: A total of 214 patients (86.9% female) were included; the median age was 62 (25-91) years and 67.3% were seropositive. Seventy-six (33.5%) patients had moderate disease activity, 12 (5.6%) had high disease activity and 152 (71%) patients had mild difficulties to moderate disability HAQ-DI scores. Median of total FACIT-F score was 113.2 (36.3-160.0). Joint factors of younger age, longer disease duration, higher HAQ score (increased functional disability), and lower EQ-5D (poorer HRQoL) were significantly associated with higher levels of fatigue (all P < .02). CONCLUSION: Fatigue was associated with functional disability and has a significant impact on HRQoL in RA. Fatigue assessment should be considered in routine clinical practice for RA patients.

Evaluating Physicians' Intention to Discriminate Against Patients Living with HIV in Malaysia.

People with HIV (PWH) in Malaysia experience high levels of stigma, which may act as a barrier to accessing healthcare. Stigma against PWH in medical settings is understudied in Malaysia. In the present study, we examine factors associated with physicians' intention to discriminate against PWH in Malaysia. A cross-sectional online survey was emailed to all 1431 physicians at two major university hospitals in Malaysia; 568 (39.6%) participants completed the survey and were included in this analysis. Measures included intention to discriminate against PWH, stigma-related constructs, and socio-demographic characteristics. Multivariate linear regression was used to identify factors associated with intention to discriminate against PWH. Participants were comprised of women (53.5%), Malays (43.1%), and Chinese (35.0%) with nearly 10 years of clinical experience. Most participants were from non-surgical specialties (77.6%). The final multivariate linear regression showed that physicians who expressed greater discriminatory intent against PWH also expressed more negative feelings toward PWH, more HIV-related shame, were more fearful of HIV, and believed that PWH do not deserve good care. Physicians from surgical-based specialties were also significantly more likely to endorse discriminatory intent toward PWH. Stigma and intentions to discriminate against a class of patients, including PWH, can undermine engagement in care, which is central to international HIV prevention and treatment strategies. Interventions that reduce stigma toward PWH among physicians are crucial to ensuring equitable and stigma-free healthcare.

Factors Associated with Medical Doctors' Intentions to Discriminate Against Transgender Patients in Kuala Lumpur, Malaysia.

PURPOSE: Transgender people are frequent targets of discrimination. Discrimination against transgender people in the context of healthcare can lead to poor health outcomes and facilitate the growth of health disparities. This study explores factors associated with medical doctors' intentions to discriminate against transgender people in Malaysia. METHODS: A total of 436 physicians at two major university medical centers in Kuala Lumpur, Malaysia, completed an online survey. Sociodemographic characteristics, stigma-related constructs, and intentions to discriminate against transgender people were measured. Bivariate and multivariate linear regression were used to evaluate independent covariates of discrimination intent. RESULTS: Medical doctors who felt more fearful of transgender people and more personal shame associated with transgender people expressed greater intention to discriminate against transgender people, whereas doctors who endorsed the belief that transgender people deserve good care reported lower discrimination intent. Stigma-related constructs accounted for 42% of the variance and 8% was accounted for by sociodemographic characteristics. CONCLUSIONS: Constructs associated with transgender stigma play an important role in medical doctors' intentions to discriminate against transgender patients. Development of interventions to improve medical doctors' knowledge about and attitudes toward transgender people are necessary to reduce discriminatory intent in healthcare settings.