Publications by authors named "Worawit Louthrenoo"

Objective: High disease activity status (HDAS) in patients with systemic lupus erythematosus (SLE) is associated with adverse long-term outcomes. We examined the frequency of lupus low disease activity state (LLDAS) and remission (REM) attainment in HDAS patients and whether their attainment was associated with improved patient outcomes.

Methods: Demographic, clinical and outcomes data, collected prospectively from a multinational cohort between 2013 and 2020, were analysed.

View Article and Find Full Text PDF

Objectives: To compare adverse events and flares among different doses and types of COVID-19 vaccines in patients with systemic lupus erythematosus (SLE).

Methods: All consecutive SLE patients in a lupus cohort, seen between March and October 2022, were invited to join this retrospective study. Inclusion criteria were aged ≥ 20 years and had received at least one dose of COVID-19 vaccine.

View Article and Find Full Text PDF

Objectives: To determine the spectrum, clinical features and outcomes in systemic lupus erythematosus (SLE) patients with acute abdominal pain (AAP).

Method: Medical records of SLE patients in a lupus cohort from January 1987 to June 2023 were reviewed. Patients with AAP requiring hospitalization were identified and categorized into 3 groups: lupus mesenteric vasculitis (LMV), non-LMV, and surgical AAP.

View Article and Find Full Text PDF

Objectives: The lupus low disease activity state (LLDAS) allows for certain clinical and/or serological activity of SLE, provided overall disease activity does not exceed predefined cut-offs. This study aimed to evaluate the outcomes of patients who achieved LLDAS with clinical activity, serological activity only or neither clinical nor serological activity.

Methods: Patients with SLE enrolled in a prospective multinational cohort from March 2013 to December 2020 who were in LLDAS at least once were included.

View Article and Find Full Text PDF

This study aimed to clarify the association of HLA Class I and II with dcSSc and lcSSc in Thais. HLA typing for 11 gene loci (Class I: HLA-A, B and C, and Class II [HLA-DR, DP and DQ]) was carried out using the Next Generation DNA Sequencing method (three fields) in 92 Thai patients with systemic sclerosis (55 dcSSc, 37 lcSSc) and 135 healthy controls (HCs). The distribution of HLA alleles in patients with dcSSc and lcSSc was compared.

View Article and Find Full Text PDF

Background: Validation of protective associations of the lupus low disease activity state (LLDAS) against flare, irreversible damage, health-related quality of life, and mortality has enabled the adoption of treat-to-target strategies in patients with systemic lupus erythematosus (SLE). Previous validation studies were of short duration, limiting the ability to detect longer term signals in flare rate and irreversible damage. In addition, previous studies have focused on percent time at target, rather than actual periods of time that are more useful in clinical practice and trials.

View Article and Find Full Text PDF

Introduction: Hyperuricemia is a common complication of hematologic malignancies, and hyperuricosuria in this population has shown conflicting results. This study aimed to determine the prevalence of hyperuricemia and parameters associated with serum uric acid (SUA) and urine uric acid (UUA) in patients with lymphoma and myeloproliferative neoplasms (MPN).

Methods: This cross-sectional study included adult patients with newly diagnosed lymphoma and MPN at the university-based hospital.

View Article and Find Full Text PDF
Article Synopsis
  • The study aimed to assess how common thyroid dysfunctions and thyroid autoantibodies are in Thai patients with systemic lupus erythematosus (SLE) compared to matched healthy controls.
  • It found that SLE patients experienced significantly higher rates of thyroid dysfunctions, like hypothyroidism, compared to healthy individuals, although no difference was noted in thyroid autoantibody prevalence.
  • Key factors linked to thyroid issues in SLE patients included a family history of thyroid disease and the use of prednisolone at doses greater than 10 mg/day.
View Article and Find Full Text PDF
Article Synopsis
  • This study looked at how standard medications for systemic lupus erythematosus (SLE) affect important health outcomes like disease activity, flare-ups, and damage over time, using a substantial patient data set from the Asia Pacific Lupus Collaboration (APLC).
  • Findings showed that a significant percentage of patients reached low disease activity levels, but many also had flares, with variations in medication use across different countries; specifically, some medications appeared to have a steroid-sparing effect.
  • Key results revealed that patients on specific medications like tacrolimus had better odds of achieving low disease activity, while those taking azathioprine and methotrexate were less likely to reach that outcome; however
View Article and Find Full Text PDF

Background: Studies have found that late-onset systemic lupus erythematosus (SLE) patients (age at diagnosis ≥ 50 years) had less severe disease and milder clinical course, but with higher organ damage and mortality rate than early-onset ones (age at diagnosis < 50 years). Unfortunately, direct comparison of renal manifestations and treatment outcomes between late- and early-onset SLE patients has been determined rarely. This study aimed to compare lupus nephritis (LN) manifestations, treatment, and outcomes between late- and early-onset in SLE patients.

View Article and Find Full Text PDF
Article Synopsis
  • The study aimed to determine if achieving Lupus Low Disease Activity State (LLDAS) leads to better outcomes for patients with newly diagnosed systemic lupus erythematosus (SLE).
  • Data was collected from a longitudinal SLE cohort in 13 countries, focusing on patients diagnosed within the last year, revealing that these patients had higher disease activity and use of glucocorticoids, but less organ damage initially compared to older patients in the study.
  • Results showed that while fewer patients in the recent onset group were in LLDAS at the start, they were more likely to achieve it during follow-up and LLDAS attainment was linked to a lower risk of disease flare-ups.
View Article and Find Full Text PDF
Article Synopsis
  • * Data from a large international cohort of 1,850 mSACQ patients revealed that reducing GCs by 1 mg/day did not increase the risk of overall or severe flares; in fact, the use of antimalarials was linked to a lower risk of flares.
  • * Tapering GCs was found to reduce the risk of damage accrual for patients starting with higher prednisolone doses (over 5 mg/day
View Article and Find Full Text PDF

Background: Targets of treatment for systemic lupus erythematosus (SLE) include the Lupus Low Disease Activity State (LLDAS), remission, and complete remission. Whether treatment can be tapered after attaining these targets and whether tapering is safer in patients in complete remission compared with LLDAS are unknown. We aimed to assess the odds of disease flares after treatment tapering in stable disease, versus continuing the same therapy.

View Article and Find Full Text PDF

Introduction: This study aimed to compare the efficacy of non-loading versus loading low-dose colchicine in patients with acute crystal-associated arthritis.

Materials And Methods: All in-patients who were admitted to Chiang Mai University Hospital with non-arthritis disease and developed acute crystal-associated arthritis during admission (within 48 h after arthritis onset) were invited to join this study. The patients were randomized into two groups.

View Article and Find Full Text PDF

The infliximab biosimilar CT-P13 was approved in Thailand in 2015. This open-label, multicenter, post-marketing surveillance study evaluated the safety (events of special interest [ESIs]; primary end point) and effectiveness of 46 weeks of CT-P13 treatment according to routine practice in patients with rheumatoid arthritis (RA), ankylosing spondylitis (AS), or psoriatic arthritis (PsA), with 1 year follow-up post-treatment. 30 patients were enrolled (16 RA, 8 AS and 6 PsA).

View Article and Find Full Text PDF

Rheumatoid arthritis (RA) is an involving chronic systemic inflammatory disease which mainly affects the joints. Several factors including genetic, environment and infections have been acknowledged as being involved in the pathogenesis and aggravation of RA. Air pollution, particularly particulate matter is widely recognized as a cause of health problems.

View Article and Find Full Text PDF

Objective: Disease activity monitoring in SLE includes serial measurement of anti-double stranded-DNA (dsDNA) antibodies, but in patients who are persistently anti-dsDNA positive, the utility of repeated measurement is unclear. We investigated the usefulness of serial anti-dsDNA testing in predicting flare in SLE patients who are persistently anti-dsDNA positive.

Methods: Data were analysed from patients in a multinational longitudinal cohort with known anti-dsDNA results from 2013 to 2021.

View Article and Find Full Text PDF

Cardiac wall rupture (CWR) is a serious and often fatal complication of myocardial infarction (MI). Despite an increase in the incidence of MI in patients with systemic lupus erythematosus (SLE), cases of CWR in these patients have been reported rarely. This study reports an SLE patient with CWR and pseudoaneurysm formation and reviews previously reported cases of CWR in SLE patients.

View Article and Find Full Text PDF

Background: Several studies have compared the clinical features and outcomes of late- and early-onset systemic lupus erythematosus (SLE) patients. However, these previous studies were uncontrolled. The current study aimed to compare late- and early-onset SLE patients while controlling for sex and year at diagnosis (± 1 year).

View Article and Find Full Text PDF
Article Synopsis
  • This study evaluated the cost-effectiveness of biologic drugs for patients with psoriatic arthritis who didn't respond to traditional treatments.
  • A decision tree and Markov model were used to analyze costs and patient outcomes over a lifetime, utilizing data relevant to Thailand.
  • Results indicated that while all bDMARDs improved patient quality of life, only secukinumab 150 mg was deemed cost-effective compared to its price in Thailand, highlighting the need for price negotiations for other biologics.
View Article and Find Full Text PDF

Background: The selection and categorisation of laboratory tests in disease activity measures used within systemic lupus erythematosus (SLE) trial endpoints lack strong evidence. We aimed to determine whether longitudinal improvements in routinely measured laboratory tests are associated with measures of clinical improvement in patients with baseline active SLE.

Methods: We included patients from a multicentre longitudinal cohort (recruited between May 1, 2013, and Dec 31, 2019) with active SLE (SLEDAI-2K ≥6) coinciding with an abnormality in at least one of 13 routine laboratory tests, at a visit designated as baseline.

View Article and Find Full Text PDF

Background: Treat-to-target goals for patients with systemic lupus erythematosus (SLE) have been validated to protect against organ damage and to improve quality of life. We aimed to investigate the association between lupus low disease activity state (LLDAS) and remission and risk of mortality in patients with SLE. We hypothesised that LLDAS has a protective association with mortality risk.

View Article and Find Full Text PDF

Objective: In trials of systemic lupus erythematosus (SLE), the SLE Responder Index (SRI) is the most commonly used primary efficacy end point but has limited validation against long-term outcomes. We aimed to investigate associations of attainment of a modified version of the SRI (mSRI) with key clinical outcomes in SLE patients with up to 5 years of follow-up.

Methods: We used data from a large multicenter, longitudinal SLE cohort in which patients received standard of care.

View Article and Find Full Text PDF

Introduction/objectives: Scleroderma is a rare complication in taxanes therapy. Although individual cases of taxanes-induced scleroderma have been reported, the clinical manifestation and treatment outcomes were reviewed and summarized rarely. This study reported a patient who developed diffuse scleroderma and possible scleroderma renal crisis after paclitaxel therapy for ureter cancer.

View Article and Find Full Text PDF