Health‐Related Quality of Life Measures in Adult Systemic Lupus Erythematosus

Fibromyalgia, mood disorders and chronic damage are the main determinants of worse quality of life in systemic lupus erythematosus patients: Results from a cross-sectional analysis

OBJECTIVE

As suggested by the EULAR recommendations, a comprehensive management of Systemic Lupus Erythematosus (SLE) should include the evaluation of disease activity, chronic damage, and quality of life (QoL). QoL is significantly impaired in SLE patients, even in those achieving a state of remission, suggesting the possible contribution of other factors. Thus, in the present study we aimed at analyzing QoL in a large SLE cohort by using LupusQoL, and at identifying the main determinant of poorer QoL.

METHODS

We conducted a cross-sectional study by including consecutive SLE patients diagnosed according to the 2019 ACR/EULAR criteria. Clinical, laboratory and therapeutical data were collected. Disease activity was assessed by SLEDAI-2k, while chronic damage by the SLICC Damage Index (SDI). The diagnosis of fibromyalgia was made in accordance with the ACR criteria (2016). At the time of the enrollment, all patients completed the following questionnaires: LupusQoL to assess quality of life and hospital anxiety and depression scale (HADS) for anxiety and depression.

RESULTS

Our analysis included 237 SLE patients [92.4% female, median age 46 years (IQR 19.5), median disease duration 156.8 months (IQR 180.6)]. At the time of enrollment, we found a mean SLEDAI-2k of 1.7 (DS 2.4); 104 patients (43.9%) had chronic damage, with a mean SDI value of 0.8 (DS 1.3). Patients diagnosed with fibromyalgia were 69 (29.1%); moreover, HADS questionnaire identified a condition of anxiety and depression in 112 (47.3%) and 94 (39.7%) patients, respectively. The most compromised domain in the LupusQoL resulted "fatigue", followed by "burden to others". Patients with SDI ≥ 1 showed lower quality of life than patients without chronic damage, as demonstrated by significantly lower values in all items of the LupusQoL (p < .01). Furthermore, significantly lower values in all the LupusQoL domains were observed in patients with fibromyalgia, anxiety and depression, in comparison to those patients without these manifestations (p < .0001). No association was demonstrated between QoL and disease activity. Finally, the linear regression analysis confirmed mood disorders, in particular depression, and fibromyalgia as the main determinants of worse quality of life in our cohort.

CONCLUSIONS

The present study demonstrated the influence of different factors in the quality of life of SLE patients. In particular, the presence of mood disorders, fibromyalgia and chronic damage resulted the main determinants of poorer QoL. This evidence reinforces the need for a comprehensive patient care.

The relationship of neutrophil-to-lymphocyte ratio with health-related quality of life, depression, and disease activity in SLE: a cross-sectional study

The neutrophil-to-lymphocyte ratio (NLR) emerged as a potential biomarker in SLE, but its association with several outcomes remains unclear. We aimed to evaluate the relationship between NLR and SLE disease activity, damage, depression, and health-related quality of life. A cross-sectional study was conducted, including 134 patients with SLE who visited the Division of Rheumatology between November 2019 and June 2021. Demographics and clinical data including NLR, Safety of Estrogens in Lupus Erythematosus National Assessment-Systemic Lupus disease activity index (SELENA-SLEDAI), Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (SDI), physician global assessment (PhGA), patient global assessment (PGA), patient health questionnaire (PHQ)-9, patient self-rated health, and lupus quality of life (LupusQoL) scores, were collected. Patients were stratified into two groups and compared using the NLR cut-off of 2.73, the 90th percentile value of healthy individuals. The analysis included t-test for continuous variables, χ2-test for categorical variables, and logistic regression adjusting for age, sex, BMI, and glucocorticoid use. Among the 134 SLE patients, 47 (35%) had an NLR ≥ 2.73. The NLR ≥ 2.73 group had significantly higher rates of severe depression (PHQ ≥ 15), poor/fair self-rated health, and the presence of damage (SDI ≥ 1). These patients also scored significantly lower in LupusQoL domains (physical health, planning, and body image), and higher in SELENA-SLEDAI, PhGA, and PGA. Logistic regression confirmed that high NLR is associated with severe depression (PHQ ≥ 15) (OR:7.23, 2.03-25.74), poor/fair self-rated health (OR:2.77,1.29-5.96), high SELENA-SLEDAI score(≥ 4) (OR:2.22,1.03-4.78), high PhGA (≥ 2) (OR:3.76, 1.56-9.05), and presence of damage (SDI ≥ 1) (OR:2.67, 1.11-6.43). High NLR in SLE may indicate depression, worse quality of life, active disease, and the presence of damage.

Categorization of patients with systemic lupus erythematosus using disease activity, patient-reported outcomes, and transcriptomic signatures

OBJECTIVE

Patients with systemic lupus erythematosus (SLE) display symptoms that are not always related to disease activity and may distort clinical trial results. Recently, a clinical categorization based on the presence of type 1 (inflammatory manifestations) and/or type 2 (widespread pain, fatigue, depression) symptoms has been proposed in SLE. Our aim was to develop a type 2 score derived from the Short-Form health survey (SF-36) to categorize SLE patients and to compare immunological and transcriptomic profiles between groups.

METHOD

Seventeen items from the SF-36 were selected to build a type 2 score for 50 SLE patients (100 visits; LUPUCE cohort), and the SLEDAI was used to define type 1 symptoms. Patients were categorized into four groups: minimal (no symptoms), type 1, type 2, and mixed (both type 1 and type 2 symptoms). Clinical, immunological, and transcriptomic profiles were compared between the groups.

RESULTS

Type 2 scores ranged from 0 to 31, with a cutoff value of 14 (75th percentile). The sample categorization was minimal in 39%, type 1 in 37%, and type 2 in 9%, and mixed in 15%. Type 2 patients were older than minimal patients and had a longer disease duration than type 1 and mixed patients. Immunological data and modular interferon signatures did not differ between the groups.

CONCLUSION

Patients with SLE can be categorized into four clinical groups using the SLEDAI score and our SF-36-derived type 2 score. This categorization is non-redundant with immunological or transcriptomic profiles and could prove useful to stratify patients in clinical trials. Key Points • A score derived from selected items of the SF-36 can be used to identify SLE patients with type 2 symptoms according to the Duke University categorization. • Using the SLEDAI and this type 2 score, SLE patients can be categorized into four clinical groups. • This categorization is not related to immunological activity or blood transcriptome profiles (and not to the interferon signature in particular). • This categorization could be useful in the daily care of patients as well as in clinical trials, for upstream patient stratification or for the interpretation of results.

Determinants of sexual function in male patients with systemic lupus erythematosus

OBJECTIVES

Our study aims to describe the association between SLE and sexual function, analysing demographic variables, comorbidities and other disease-related factors. As an exploratory objective, the impact of asking about sexual function during outpatient consultation was evaluated.

METHODS

From 2018 to 2019, we invited sexually active men diagnosed with SLE to complete questionnaires that evaluated their sexual function and quality of life. Additionally, patients were asked if they believed they had sexual dysfunction, whether they would be interested in receiving specialized sexual care, and if they considered SLE to be detrimental to their sexual function. Epidemiological and disease-related data were retrieved from the patients' clinical records.

RESULTS

We included 124 men with SLE. Twenty-two (18%) patients answered positively when asked if they believed they had sexual dysfunction. These patients had lower overall erectile function scores and lower physical function scores than those who did not consider they had sexual dysfunction. In the multivariable analysis, factors that were associated with better sexual function were high physical function (B = 0.126, p = .031), lower BMI (B = 0.53, p = .010) and the patient's perception of normal sexual function (B = 13.0, p < .001). Comorbidities associated with worse sexual function were type 2 diabetes (B = -8.1, p = .017) and a history of thrombosis (B = -5.12, p = .019).

CONCLUSION

Sexual function of male patients with SLE is impaired, independently of disease activity, chronic disease damage or pharmacological treatment. A simple question about perception of sexual function in the outpatient clinic can be used to help determine which patients could benefit from a multidisciplinary intervention to improve sexual health.

Patient-Reported Outcomes in Systemic Lupus Erythematosus. Can Lupus Patients Take the Driver's Seat in Their Disease Monitoring?

Systemic lupus erythematosus (SLE) is a chronic autoimmune disorder that has detrimental effects on patient’s health-related quality of life (HRQoL). Owing to its immense heterogeneity of symptoms and its complexity regarding comorbidity burden, management of SLE necessitates interdisciplinary care, with the goal being the best possible HRQoL and long-term outcomes. Current definitions of remission, low disease activity, and response to treatment do not incorporate self-reported patient evaluation, while it has been argued that the physician’s global assessment should capture the patient’s perspective. However, even the judgment of a very well-trained physician might not replace a patient-reported outcome measure (PROM), not only owing to the multidimensionality of self-perceived health experience but also since this notion would constitute a direct contradiction to the definition of PROMs. The proper use of PROMs is not only an important conceptual issue but also an opportunity to build bridges in the partnership between patients and physicians. These points of consideration adhere to the overall framework that there will seldom be one single best marker that helps interpret the activity, severity, and impact of SLE at the same time. For optimal outcomes, we not only stress the importance of the use of PROMs but also emphasize the urgency of adoption of the conception of forming alliances with patients and facilitating patient participation in surveillance and management processes. Nevertheless, this should not be misinterpreted as a transfer of responsibility from healthcare professionals to patients but rather a step towards shared decision-making.

Patient-Reported Outcomes in Lupus

Patient-reported outcome (PRO) was identified as a core systemic lupus erythematosus (SLE) outcome in 1999. More than 20 years later, however, generic PRO measures evaluating impact in SLE are used mainly for research. Generic and disease-targeted PRO tools have unique advantages. Significant progress in identification of patient disease-relevant PRO concepts and development of new PRO tools for SLE has occurred over the past 20 years. Further research needs to focus on responsiveness and minimally important differences of existing, promising PRO tools to facilitate their use in SLE patient care and research.