Publications by authors named "Juan P Diaz Martinez"

Objective: To evaluate modified versions of the Belimumab International Study in Lupus Nephritis (BLISS-LN) belimumab study primary efficacy renal response (mPERR) and complete renal response (mCRR) criteria (excluding mandatory corticosteroid tapering) as predictors of real-world, long-term renal outcomes among patients with lupus nephritis (LN).

Methods: This retrospective, observational study (GSK Study 212866) used deidentified data between 1970 and 2015 from the University of Toronto Lupus Cohort from adults diagnosed with systemic lupus erythematosus and biopsy-proven Class III±V, IV±V or V LN. At 24 months postbiopsy, patients were retrospectively indexed as responders/non-responders based on mPERR (estimated glomerular filtration rate (eGFR) ≤20% below biopsy value/≥60 mL/min/1.

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Background: Blinatumomab is a CD3/CD19-directed bispecific T-cell engager molecule that engages T cells to lyse CD19-expressing B cells. Based on a multicenter, open-label, phase 3, randomized clinical trial (Clinical Trials ID: NCT02393859), we aimed to evaluate the cost-effectiveness (CE) of blinatumomab compared to standard consolidation chemotherapy (SC) for the treatment of pediatric patients with high-risk first-relapsed Philadelphia chromosome-negative B-cell precursor acute lymphoblastic leukemia (B-ALL) from a Mexico healthcare payer perspective.

Methods: A decision-analytic model, a partitioned survival model, was used to estimate the life-years (LYs) and costs over a lifetime horizon.

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Article Synopsis
  • The study aims to identify distinct groups based on symptom intensity (fatigue, anxiety, depression, etc.) in patients with Systemic Lupus Erythematosus (SLE) and observe changes over a year.
  • Results showed three symptom intensity clusters: mild, moderate, and severe, with varying stability; 49% of patients remained in their initial cluster after one year, particularly those in the mild cluster (77%).
  • The findings suggest that patients in moderate symptom clusters could benefit from interventions to better manage their symptoms and potentially prevent deterioration to severe levels.
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Objective: Cognitive impairment (CI) is one of the most common manifestations of Neuropsychiatric Systemic Lupus Erythematosus (NPSLE). Despite its frequency, we have a limited understanding of the underlying immune mechanisms, resulting in a lack of pathways to target. This study aims to bridge this gap by investigating differences in serum analyte levels in SLE patients based on their cognitive performance, independently from the attribution to SLE, and exploring the potential for various serum analytes to differentiate between SLE patients with and without CI.

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Objectives: Combining multivariate and network meta-analysis methods simultaneously in a multivariate network meta-analysis (MVNMA) provides the methodological framework to analyze the largest amount of evidence relevant to decision-makers (i.e., from indirect evidence and correlated outcomes).

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Article Synopsis
  • Atopic dermatitis (AD) is a skin condition that causes inflammation and can be treated in different ways, but it's not always clear which treatments work best.
  • Researchers looked at many studies to compare the benefits and risks of different treatments for AD.
  • They found that some treatments, like high-dose upadacitinib, were very effective but also had more side effects, while others like dupilumab were safer but less powerful.
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Article Synopsis
  • Atopic dermatitis (AD) is a widespread skin condition treated with various topical prescriptions, but their comparative effectiveness is not well known.
  • A systematic review of randomized trials was conducted to evaluate the benefits and harms of topical treatments for AD, employing rigorous analysis and classification methods.
  • High-certainty evidence showed that pimecrolimus and high-dose tacrolimus were highly effective, while group 5 topical corticosteroids (TCS) also significantly aided in managing AD without increasing harm.
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Objectives: To determine the impact of older donor age (70+ years) on long-term survival and freedom from chronic lung allograft dysfunction in lung transplant (LTx) recipients.

Methods: A retrospective single-center study was performed on all LTx recipients from 2002 to 2017 and a modern subgroup from 2013 to 2017. Recipients were stratified into 4 groups based on donor lung age (<18, 18-55, 56-69, ≥70 years).

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Background: Corticosteroids are used to manage pain after surgical tooth extractions. The authors assessed the effect of corticosteroids on acute postoperative pain in patients undergoing surgical tooth extractions of mandibular third molars.

Types Of Studies Reviewed: The authors conducted a systematic review and meta-analysis.

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We aimed to assess the impact of allocation concealment and blinding on the results of coronavirus disease 2019 (COVID-19) trials, using the World Health Organization COVID-19 database (to February 2022). We identified 488 randomized trials comparing drug therapeutics with placebo or standard care in patients with COVID-19. We performed random-effects meta-regressions comparing the results of trials with and without allocation concealment and blinding of health-care providers and patients.

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Article Synopsis
  • The study evaluated the effectiveness of various analgesics for managing acute pain in children after dental procedures, focusing on dental extractions and irreversible pulpitis.
  • Researchers analyzed data from multiple medical databases and included 6 randomized controlled trials, performing meta-analyses to compare different pain relief medications against each other and placebos.
  • Results indicated ibuprofen and acetaminophen can reduce pain intensity, especially when used together, but there is limited evidence on their effectiveness for irreversible pulpitis and potential side effects were not well-documented.
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Background: Local anesthesia is essential for pain control in dentistry. The authors assessed the comparative effect of local anesthetics on acute dental pain after tooth extraction and in patients with symptomatic irreversible pulpitis.

Types Of Studies Reviewed: The authors searched MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and the US Clinical Trials registry through November 21, 2020.

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Objective: To phenotype SLE based on symptom burden (disease damage, system involvement and patient reported outcomes), with a specific focus on objective and subjective cognitive function.

Methods: SLE patients ages 18-65 years underwent objective cognitive assessment using the ACR Neuropsychological Battery (ACR-NB) and data were collected on demographic and clinical variables, disease burden/activity, health-related quality of life (HRQoL), depression, anxiety, fatigue and perceived cognitive deficits. Similarity network fusion (SNF) was used to identify patient subtypes.

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Article Synopsis
  • The study aims to assess the impact of different threshold scores in EULAR/ACR classification criteria for systemic lupus erythematosus (SLE) to improve classification accuracy.
  • Researchers analyzed data from 2764 patients (1980 SLE cases and 784 controls) to determine the optimal threshold score, finding that a score of 10 significantly enhances classification accuracy, with high sensitivity and specificity.
  • Results indicate a threshold score of 10 is effective for identifying early SLE accurately across various demographics, and increasing the score to 11 decreases its reliability in ruling out SLE.
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Objectives: Cognitive dysfunction (CD) is a common manifestation of SLE that can have detrimental consequences for those affected. To date, no treatments have been approved for SLE-CD. This study aims to assess the association of azathioprine (AZA) and mycophenolate (MMF) use with SLE-CD, given that these medications have demonstrated neuroprotective qualities in prior studies.

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Objective: Screening for cognitive impairment (CI) in systemic lupus erythematosus (SLE) relies on the American College of Rheumatology (ACR) neuropsychological battery (NB). By studying the concurrent criterion validity, our goal was to assess the Montreal Cognitive Assessment (MoCA) as a screening tool for CI compared to the ACR-NB and to evaluate the added value of the MoCA to the Automated Neuropsychological Assessment Metrics (ANAM).

Methods: A total of 285 adult SLE patients were administered the ACR-NB, MoCA, and ANAM.

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Objective: We previously demonstrated the utility of the Automated Neuropsychological Assessment Metrics (ANAM) for screening cognitive impairment (CI) in patients with systemic lupus erythematosus (SLE) and developed composite indices for interpreting ANAM results. Our objectives here were to provide further support for the ANAM's concurrent criterion validity against the American College of Rheumatology neuropsychological battery (ACR-NB), identify the most discriminatory subtests and scores of the ANAM for predicting CI, and provide a new approach to interpret ANAM results using Classification and Regression Tree (CART) analysis.

Methods: 300 adult SLE patients completed an adapted ACR-NB and ANAM on the same day.

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Objective: Dispersion, or variability in an individual's performance across multiple tasks at a single assessment visit, has been associated with cognitive dysfunction (CD) in many neurodegenerative and neurodevelopmental disorders. We aimed to compute a dispersion score using neuropsychological battery (NB) tests and determine its association with CD in patients with SLE.

Methods: CD was defined as a z-score of ≤-1.

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Objective: To evaluate the efficacy and safety of antiviral antibody therapies and blood products for the treatment of novel coronavirus disease 2019 (covid-19).

Design: Living systematic review and network meta-analysis, with pairwise meta-analysis for outcomes with insufficient data.

Data Sources: WHO covid-19 database, a comprehensive multilingual source of global covid-19 literature, and six Chinese databases (up to 21 July 2021).

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Objective: To report the improvements achieved with clinical decision support systems and examine the heterogeneity from pooling effects across diverse clinical settings and intervention targets.

Design: Systematic review and meta-analysis.

Data Sources: Medline up to August 2019.

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To review the effect of tumor necrosis factor-alpha inhibitor (TNFi) therapies on radiographic progression in ankylosing spondylitis (AS) patients as evaluated by the modified Stoke Ankylosing Spondylitis Spine Score (mSASSS). Pubmed, MEDLINE, EMBASE, and the Cochrane Library databases were searched from inception to August 2019. All comparative and non-comparative studies that evaluated the clinical effectiveness of TNFi on radiographic progression as assessed by mSASSS change at a minimum follow-up of 1 year were included.

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Objectives: To examine for latent patterns of SLE disease activity trajectories that associate with specific latent patterns of health-related quality of life (HRQoL; Medical Outcomes Study Short Form-36), and to determine baseline predictors of class membership.

Methods: In this retrospective longitudinal inception cohort of 222 SLE adults over 10 years, trajectories of three outcomes were studied jointly: Short Form-36 physical (PCS) and mental (MCS) component summaries and adjusted mean SLEDAI-2000 (AMS). Group-based joint trajectory modelling was used to model latent classes; univariable and multivariable analyses were used to identify predictors of class membership.

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Background: Chronic kidney disease-mineral and bone disorder (CKD-MBD) has been linked to poor health outcomes, including diminished quality and length of life. This condition is characterized by high phosphate levels and requires phosphate-lowering agents-phosphate binders. The objective of this systematic review is to compare the effects of available phosphate binders on patient-important outcomes in patients with CKD-MBD.

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Parkinson's disease (PD) is the second most common neurodegenerative disease. There are no clinical trials comparing all available pharmacological therapies for the treatment of early PD. The objective of this review is to indirectly analyze the efficacy of antiparkinson drugs currently available in Latin America.

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