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Hydroxychloroquine

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https://www.readbyqxmd.com/read/28339096/pathogenesis-and-management-of-antiphospholipid-syndrome
#1
REVIEW
Deepa R J Arachchillage, Mike Laffan
Antiphospholipid antibodies are a heterogeneous group of autoantibodies that have clear associations with thrombosis and pregnancy morbidity, and which together constitute the 'antiphospholipid syndrome' (APS). However, the pathophysiology of these complications is not well understood and their heterogeneity suggests that more than one pathogenic process may be involved. Diagnosis remains a combination of laboratory analysis and clinical observation but there have been significant advances in identifying specific pathogenic features, such as domain I-specific anti-β2-glycoprotein-I antibodies...
March 24, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28339029/hydroxychloroquine-sensitizes-chronic-myeloid-leukemia-cells-to-v%C3%AE-9v%C3%AE-2-t-cell-mediated-lysis-independent-of-autophagy
#2
Biqing Han, Yanmin Zhao, Yu Lin, Shan Fu, Limengmeng Wang, Mingming Zhang, Ruxiu Tie, Binsheng Wang, Yi Luo, Lizhen Liu, Jian Yu, He Huang
Hydroxychloroquine (HCQ) is the only autophagy inhibitor in clinical use and it has shown great potential in treating chronic myeloid leukemia (CML). By inhibiting autophagy, HCQ enhances the anti-CML efficiency of chemotherapy. In the present study, we demonstrated that HCQ sensitized CML cells to Vγ9Vδ2 T cell-mediated lysis. HCQ inhibited autophagy in CML cells, but the sensitizing effects of HCQ were autophagy-independent. Since the sensitization was not mimicked by ATG7 knockdown and even occurred in the absence of ATG7...
March 24, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28331899/ulcerative-necrobiosis-lipoidica-in-the-setting-of-anti-tumor-necrosis-factor-%C3%AE-and-hydroxychloroquine-treatment-for-rheumatoid-arthritis
#3
Jennifer Albus Fehlman, Nicole M Burkemper, Tricia A Missall
No abstract text is available yet for this article.
March 2017: JAAD Case Reports
https://www.readbyqxmd.com/read/28329095/congestive-heart-failure-more-common-as-well-as-an-important-cardiovascular-outcome
#4
Anil Pareek
Hydroxychloroquine, due to its multifaceted pleiotropic benefits including anti-inflammatory effects has great potential in reducing cardiovascular (CV) morbidity and mortality. CV outcome data of hydroxychloroquine is available through 2 retrospective studies in rheumatoid arthritis patients, both of which have not considered congestive heart failure (CHF) as an outcome measure. CHF is an important CV outcome and is more common than myocardial infarction and stroke; and increased age is associated with increased risk of CHF...
December 20, 2016: European Heart Journal. Cardiovascular Pharmacotherapy
https://www.readbyqxmd.com/read/28325515/-a-new-case-of-rowell-s-syndrome
#5
C Schissler, S Banea, M-C Tortel, A Mahé
INTRODUCTION: This article introduces a new case of Rowell's syndrome, a controversial entity defined by the association of lupus erythematosus and erythema multiforme. OBSERVATION: A 43-year-old woman was diagnosed with lupus erythematosus induced by esomeprazole. Because her eruption did not improve after withdrawal of the drug, hydroxychloroquine was administered. Two weeks later, the patient described new annular lesions on her chest and arms, both erosive and crusted, and some had a target-like appearance...
March 18, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28318681/updated-recommendations-on-the-use-of-hydroxychloroquine-in-dermatologic-practice
#6
REVIEW
Anthony P Fernandez
Hydroxychloroquine has unique immunomodulatory properties and an attractive adverse effect profile. Over the past 10 years, research has led to significant updates in clinical recommendations concerning the optimal use of hydroxychloroquine and monitoring of patients taking it. We discuss updated recommendations concerning hydroxychloroquine daily dosing, retinopathy screening, serologic monitoring, use in smokers, use in pregnant women, and adverse effect risk and monitoring. This review can hopefully serve as an aid to dermatologists and help ensure they continue using hydroxychloroquine safely and effectively...
March 16, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28303284/-generalized-circumscribed-scleroderma-with-blisters
#7
G Wagner, V Meyer, M M Sachse
The patient suffered from a 20-year course of generalized circumscribed scleroderma and presented with blisters in circumscribed areas of the affected skin. The development of subepidermal blisters has been described in all clinical forms of circumscribed scleroderma. Aetiology and pathogenesis of blister formation have not yet been clarified. An obstruction of the lymphatic vessels due to the present sclerosis is favoured. Treatment of bullous circumscribed scleroderma is considered to be difficult. Oral steroids, methotrexate, hydroxychloroquine and PUVA methods have been used with varying success...
March 16, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28302011/the-pharmacological-mechanisms-and-therapeutic-activities-of-hydroxychloroquine-in-rheumatic-and-related-diseases
#8
Changfeng Hu, Lu Lu, Jie-Ping Wan, Chengping Wen
Hydroxychloroquine (HCQ) is known as one of the most fascinating synthetic antimalarial drugs during the last 50 years. It is currently among the most commonly employed medicines for the clinical treatment of rheumatic diseases, especially systemic lupus erythematosus and rheumatoid arthritis. In related mechanism studies, it has been found that HCQ possesses various immunomodulatory and anti-inflammatory activities. In addition, the effects of HCQ on anti-platelet, metabolic pathways, and antineoplasticity have also been disclosed in more recent studies...
March 16, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28300903/extensive-bullous-lichen-sclerosus-et-atrophicus
#9
Jelica Vukicevic
Lichen sclerosus et atrophicus is a chronic disease of unknown etiology characterized by atrophic and sclerotic plaques in both genital and extragenital regions. Extensive bullous lichen sclerosus et atrophicus (BLSA) is a severe variant of the disease with no widely accepted treatment. We present a 63-year-old woman with extensive extragenital, ivory-colored, atrophic plaques on her trunk and extremities and disseminated hemorrhagic bullae. The patient was unsuccessfully treated with standard topical corticosteroid therapy, doxycycline and chloroquine...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28297699/value-of-microperimetry-in-detecting-early-retinal-toxicity-of-hydroxychloroquine-in-children-with-juvenile-systemic-lupus-erythematosus
#10
Maha M Youssef, Dina El-Fayoumi, Mohamed Karim Sidky, Ahmed I Hegazy, Huda Marzouk, Rasha M Eltanamly
PURPOSE: To evaluate retinal sensitivity in children who are on hydroxychloroquine (HCQ) for systemic lupus erythematosus using microperimetry and compare the results with those of the Humphrey visual field (HVF) 10-2 and spectral-domain optical coherence tomography (SD-OCT). PROCEDURE: A case-control cross-sectional study including 19 patients (less than 18 years old) on HCQ for at least 5 years. Controls were 21 normal children. Participants underwent a complete ophthalmic examination, then were investigated using HVF 10-2, SD-OCT, and microperimetry...
March 16, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28282737/choroidal-thickness-changes-in-rheumatoid-arthritis-and-the-effects-of-short-term-hydroxychloroquine-treatment
#11
Omer Karti, Ziya Ayhan, Mehmet Ozgur Zengin, Mahmut Kaya, Tuncay Kusbeci
PURPOSE: The objective of this study is to evaluate choroidal thickness (CT) in patients with rheumatoid artritis (RA) and the effects of short-term hydroxychloroquine (HCQ) treatment. METHODS: Thirty RA patients (group 1) and 30 normal subjects (group 2) were enrolled in the study. Group 1 was further divided into two subgroups as follows: group 1A (Before HCQ treatment) and group 1B (1 year after HCQ treatment). The CTs were measured using optical coherence tomography (EDI-OCT)...
February 22, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28282061/hydroxychloroquine-retinopathy
#12
REVIEW
I H Yusuf, S Sharma, R Luqmani, S M Downes
Hydroxychloroquine (HCQ; Plaquenil) is used increasingly in the management of a variety of autoimmune disorders, with well established roles in dermatology and rheumatology and emerging roles in oncology. Hydroxychloroquine has demonstrated a survival benefit in patients with systemic lupus erythematosus; some clinicians advocate its use in all such patients. However, Hydroxychloroquine and chloroquine (CQ) have been associated with irreversible visual loss due to retinal toxicity. Hydroxychloroquine retinal toxicity is far more common than previously considered; an overall prevalence of 7...
March 10, 2017: Eye
https://www.readbyqxmd.com/read/28281458/biologic-treatment-for-rheumatic-disease-real-world-big-data-analysis-from-the-greek-country-wide-prescription-database
#13
Petros P Sfikakis, Vasiliki-Kalliopi Bournia, Prodromos Sidiropoulos, Dimitrios T Boumpas, Alexandros A Drosos, George D Kitas, George Konstantonis, Stamatis N Liossis, Menelaos N Manoussakis, Lazaros Sakkas, Maria Tektonidou, Athanasios G Tzioufas, Panayiotis G Vlachoyiannopoulos, Chara Kani, Panayiotis Paterakis, Panayiota Litsa, Dimitrios Vassilopoulos
OBJECTIVES: To directly assess the prevalence of inflammatory rheumatic disease under treatment with biologic disease modifying anti-rheumatic drugs (b-DMARDs) and compare treatment patterns between rheumatoid arthritis (RA) and spondyloarthropathy (SpA), including psoriatic arthritis. METHODS: The obligatory country-wide prescription electronic database covering 10.223.000 Greek citizens (95.1% of the population, 99.5% Caucasian), all of whom with fully reinbursed access to b-DMARDs, was used to retrospectively capture all patients under b-DMARDs for RA/SpA between June 2014-May 2015...
March 3, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28277344/use-of-hydroxychloroquine-is-associated-with-improved-lipid-profile-in-rheumatoid-arthritis-patients
#14
Jose Felix Restrepo, Inmaculada Del Rincon, Emily Molina, Daniel F Battafarano, Agustin Escalante
BACKGROUND/PURPOSE: We examined the association between hydroxychloroquine (HCQ) and plasma lipid and glucose levels in rheumatoid arthritis (RA) cohort. METHODS: This is a retrospective cohort analysis of 1261 RA patients comparing fasting lipid profiles and plasma glucose between patients who were and were not taking HCQ. We divided patients into 3 groups based on HCQ exposure during follow-up: those who had never taken HCQ, those who took it intermittently, and those who took it continuously...
April 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28258757/-frontal-fibrosing-alopecia-a-prospective-study-of-20%C3%A2-cases
#15
S Elloudi, S Gallouj, M Meziane, F-Z Mernissi, M Rimani
BACKGROUND: Frontal fibrosing alopecia (FFA) is a variant of lichen planopilaris predominantly affecting postmenopausal women. We report a series of 20 cases of FFA and describe the epidemiological, clinical, dermoscopic features and progress under treatment. PATIENTS AND METHODS: This was a prospective study conducted over a period of 16 months in patients seen at the dermatology department of the Hassan II University in Fez, Morocco. RESULTS: Mean patient age was 46 years...
February 28, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28258476/psychomotor-agitation-following-treatment-with-hydroxychloroquine
#16
Ciro Manzo, Pietro Gareri, Alberto Castagna
We describe the case of an elderly woman with elderly-onset rheumatoid arthritis, where the use of 4 mg/kg/day of hydroxychloroquine (HCQ) was followed by the onset of psychomotor agitation with marked physical and verbal violence towards her partner, including throwing objects at her partner. No disturbance in sleep and no anxiety, nervousness, or irritability had emerged before the onset of her psychomotor agitation. The disappearance of agitation following targeted pharmacologic intervention and HCQ interruption, its re-onset after reintroduction of the drug, and the high score (9) of Naranjo's algorithm are surely linked to the existence of a causal relationship between HCQ and psychomotor agitation...
December 2017: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/28251541/profile-of-pediatric-idiopathic-inflammatory-myopathies-from-a-tertiary-care-center-of-eastern-india
#17
Sumantra Sarkar, Tanushree Mondal, Arpan Saha, Rakesh Mondal, Supratim Datta
OBJECTIVES: To report data on Idiopathic inflammatory myopathies (IIM) from eastern India. METHODS: All IIM patients diagnosed over the last 5 y (2011-2016) were included through a retrospective review of records from the hospital and specialty clinic at Institute of Postgraduate Medical Education & Research (I.P.G.M.E.&R.), Kolkata. RESULTS: Out of the 11 IIM patients, 9 had Juvenile dermatomyositis (JDM) and 2 had overlap myositis (OM) [with systemic lupus erythematosus (SLE) and scleroderma]...
March 2, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28243455/the-use-of-rituximab-in-newly-diagnosed-patients-with-systemic-lupus-erythematosus-long-term-steroid-saving-capacity-and-clinical-effectiveness
#18
Borja Gracia-Tello, Amara Ezeonyeji, David Isenberg
BACKGROUND: Previous reports indicate that treating patients with lupus (SLE) at or close to the time of diagnosis successfully without using any, or minimal, corticosteroids by using B-cell depletion (BCD) is possible in the short-term. It is not however known whether using BCD is as effective or reduces corticosteroid use in the long-term. We report the long-term (up to 7 years) use of BCD with respect to its steroid-saving capacity and clinical effectiveness in newly diagnosed SLE...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/28238314/-obstetrical-aps-is-there-a-place-for-additional-treatment-to-aspirin-heparin-combination
#19
A Mekinian, G Kayem, J Cohen, L Carbillon, N Abisror, L Josselin-Mahr, M Bornes, O Fain
Obstetrical APS is defined by thrombosis and/or obstetrical morbidity associated with persistent antiphospholipid antibodies. The aspirin and low molecular weighted heparin combination dramatically improved obstetrical outcome in APS patients. Several factors could be associated with obstetrical prognosis, as previous history of thrombosis, associated SLE, the presence of lupus anticoagulant and triple positivity of antiphospholipid antibodies. Obstetrical APS with isolated recurrent miscarriages is mostly associated with isolated anticardiolipids antibodies and have better obstetrical outcome...
January 2017: Gynecol Obstet Fertil Senol
https://www.readbyqxmd.com/read/28236156/antimalarial-myopathy-in-a-systemic-lupus-erythematosus-patient-with-quadriparesis-and-seizures-a-case-based-review
#20
REVIEW
Kashif Jafri, Hengameh Zahed, Katherine D Wysham, Sarah Patterson, Amber L Nolan, Matthew D Bucknor, R Krishna Chaganti
Weakness, seizures, and encephalopathy have a broad differential diagnosis in patients with systemic lupus erythematosus (SLE). We present a case of a 26-year-old female with a recent diagnosis of SLE who experienced a clinical deterioration with quadriparesis, seizures, and encephalopathy. Her quadriparesis was found to be secondary to biopsy-proven hydroxychloroquine-induced myopathy with concomitant inflammatory myopathy. Her seizures and encephalopathy were suspected to be multifactorial in the setting of sepsis and critical illness with possible contributions from neuropsychiatric manifestations of SLE and macrophage activation syndrome...
February 24, 2017: Clinical Rheumatology
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