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Hydroxychloroquine and renal disease

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https://www.readbyqxmd.com/read/29781586/treatment-algorithms-for-systemic-sclerosis-according-to-experts
#1
Andreu Fernández-Codina, Kyle M Walker, Janet E Pope
INTRODUCTION: Treatment for many aspects of systemic sclerosis (SSc) lacks agreement. OBJECTIVES: To generate SSc treatment algorithms endorsed by high percentage of SSc experts. METHODS: Experts from the Scleroderma Clinical Trials Consortium and the Canadian Scleroderma Research group (N=170) were asked whether they agreed with SSc algorithms (from 2012). Two consensus rounds refined agreement; 62 (36%), 54 (32%) and 48 (28%) experts completed surveys...
May 21, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29665800/mda-5-associated-rapidly-progressive-interstitial-lung-disease-with-recurrent-pneumothoraces-a-case-report
#2
Safi Alqatari, Peter Riddell, Sinead Harney, Michael Henry, Grainne Murphy
BACKGROUND: Clinically hypomyopathic dermatomyositis is a rare disease that is important to recognize, investigate and treat early as it is associated with poor prognosis. In a proportion of patients, myositis specific antibodies could be negative, but with high clinical suspicion, myositis associated antibodies should be ordered. Anti-MDA-5 antibodies was reported in literature to be associated with severe and rapidly progressive interstitial lung disease, with few case reports of pneumothorax and/or pneumomediastinum...
April 17, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29610453/sj%C3%A3-gren-s-syndrome-associated-with-fanconi-s-syndrome-and-osteomalacia
#3
Jorge O Gutierrez, Maria F Zurita, Luis A Zurita
BACKGROUND Sjögren's syndrome is a chronic inflammatory autoimmune disease, which is also known as sicca syndrome, due to the symptoms of dry eyes and dry mouth, and is associated with other connective tissue diseases and autoimmune diseases. Sjögren's syndrome can also be associated with renal involvement. Fanconi's syndrome is associated with impaired reabsorption in the proximal renal tubule associated with tubulointerstitial nephritis and is associated with renal tubular acidosis and hypophosphatemia...
April 3, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29524884/steviol-slows-renal-cyst-growth-by-reducing-aqp2-expression-and-promoting-aqp2-degradation
#4
Rattikarn Noitem, Chaowalit Yuajit, Sunhapas Soodvilai, Chatchai Muanprasat, Varanuj Chatsudthipong
Overexpression of aquaporin 2 (AQP2) was observed and suggested to be involved in fluid secretion leading to cyst enlargement in polycystic kidney disease (PKD). The cyst expansion deteriorates the renal function and, therefore, therapies targeting cyst enlargement are of clinical interest. Of note, inhibition of vasopressin function using vasopressin 2 receptor (V2R) antagonist which decreased cAMP production along with AQP2 production and function can slow cyst growth in ADPKD. This finding supports the role of AQP2 in cyst enlargement...
May 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29517495/hydroxychloroquine-balancing-the-need-to-maintain-therapeutic-levels-with-ocular-safety-an-update
#5
Nada Abdulaziz, Anjali R Shah, William J McCune
PURPOSE OF REVIEW: Antimalarial drugs including chloroquine, its less toxic quinolone-derivative hydroxychloroquine (HCQ), and quinacrine have become cornerstones in the treatment of autoimmune diseases including systemic lupus, rheumatoid arthritis, sarcoidosis, and Sjogren syndrome; cutaneous disorders, antiphospholipid syndrome, and have recently been employed at higher dioses in oncology. Benefits include anti-inflammatory effects, protection against thrombosis, and improved control of hyperglycemia and hyperlipidemia...
May 2018: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/29476421/immunosuppression-in-pregnant-women-with-renal-disease-review-of-the-latest-evidence-in-the-biologics-era
#6
REVIEW
Loredana Colla, Davide Diena, Maura Rossetti, Ana Maria Manzione, Luca Marozio, Chiara Benedetto, Luigi Biancone
Care of pregnant woman, including fertility and procreation counseling, has become a significant part of the nephrological practice in the last years. In this context, the management of immunosuppression assumes a primary role both for autoimmune diseases and for post-transplant follow up. The present review analyzes the latest evidence on immunosuppressive drugs of current use in nephrology and kidney transplantation. Although the placenta inactivates prednisone and prednisolone, it is advisable to limit the dose to the minimal effective one, to prevent side effects...
June 2018: Journal of Nephrology
https://www.readbyqxmd.com/read/29456648/immunosuppressive-effects-of-hydroxychloroquine-and-artemisinin-combination-therapy-via-the-nuclear-factor-%C3%AE%C2%BAb-signaling-pathway-in-lupus-nephritis-mice
#7
Ning Liang, Yanchun Zhong, Jie Zhou, Bihao Liu, Ruirui Lu, Yezhi Guan, Qi Wang, Chunlin Liang, Yu He, Yuan Zhou, Jianping Song, Jiuyao Zhou
Lupus nephritis (LN) is one of the most common and severe manifestations of systemic lupus erythematosus, leading to permanent renal damage and chronic kidney disease. Hydroxychloroquine (HCQ) serves a protective role against lupus-associated clinical manifestations and medical complications; however, it results in numerous adverse reactions, limiting its long-term use. The aim of the present study was to investigate the combined effect of HCQ and artemisinin (ART) on LN, and to elucidate the underlying mechanisms...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29387436/very-delayed-lupus-nephritis-a-report-of-three-cases-and-literature-review
#8
André R Alexandre, Pedro L Carreira, David A Isenberg
Lupus nephritis (LN) affects up to 50% of patients with Systemic Lupus Erythematosus (SLE) and is associated with a worse prognosis. LN usually develops within the first 5 years of the onset of the disease. We report three patients with very delayed LN (DLN) diagnosed after 15 or more years after SLE diagnosis. The three patients were non-Caucasian women with adolescent or adult-onset SLE. Each had antinuclear, anti-dsDNA and anti-Ro antibodies. Hydroxychloroquine was prescribed for each. Their disease courses were characterised by sporadic non-renal flares controlled by steroids and, in two cases, by one cycle of rituximab...
2018: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29314776/chronicity-index-especially-glomerular-sclerosis-is-the-most-powerful-predictor-of-renal-response-following-immunosuppressive-treatment-in-patients-with-lupus-nephritis
#9
Dong-Jin Park, Sung-Eun Choi, Haimuzi Xu, Ji-Hyoun Kang, Kyung-Eun Lee, Ji Shin Lee, Yoo-Duk Choi, Shin-Seok Lee
AIM: Renal responses to immunosuppressive agents in patients with lupus nephritis (LN) differ depending on ethnicity, follow-up duration, disease severity and treatment. Thus, we evaluated predictors of complete remission during the first year following immunosuppressive treatment in patients with LN. METHODS: We retrospectively reviewed 79 patients who underwent kidney biopsy prior to the start of induction treatment and who were subsequently treated with immunosuppressive drugs for at least 6 months and followed-up for more than a year...
February 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29313509/patients-families-perceptions-of-lupus-in-sub-saharan-africa
#10
J Iba Ba, M Ouédraogo, Y S Oliveira, I Nseng Nseng, A Abo Ekomie, J B Boguikouma
Lupus is an autoimmune disease affecting the connective tissue. Its clinical and biological polymorphism is often misunderstood by patients and families and can lead to treatment interruption and a decision to turn to alternative medicine. We used a questionnaire to assess the degree of knowledge of this disease of family members living with lupus patients. Of the 56 lupus patients receiving regular follow-up at our hospital, 123 members of 30 of their families (53.5%) participated. Overall, among these families, 81...
November 1, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/29259790/complement-levels-and-risk-of-organ-involvement-in-patients-with-systemic-lupus-erythematosus
#11
Ignacio Javier Gandino, Marina Scolnik, Emmanuel Bertiller, Valeria Scaglioni, Luis Jose Catoggio, Enrique Roberto Soriano
Objective: Complement plays a major role in SLE. Complement participation has been linked to disease activity and damage. Our objective was to estimate the association of complement behaviour with clinical manifestations, visceral injury and mortality in patients with SLE. Methods: Complement determinations (C3 and C4 levels) were analysed in patients with SLE (fulfilling American College of Rheumatology (ACR) or Systemic Lupus International Collaborating Clinics (SLICC)criteria) seen at a university hospital between 2000 and 2013...
2017: Lupus Science & Medicine
https://www.readbyqxmd.com/read/29243035/systemic-lupus-erythematosus-and-ocular-involvement-an-overview
#12
REVIEW
Rosanna Dammacco
Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease of undefined etiology and with remarkably heterogeneous clinical features. Virtually any organ system can be affected, including the eye. SLE-related eye involvement can be diagnosed in approximately one-third of the patients and is usually indicative of disease activity. An early diagnosis and the adoption of suitable therapeutic measures are necessary to prevent sight-threatening consequences, especially in patients with juvenile SLE. Periocular lesions, such as eyelid involvement and orbital inflammation, are relatively rare and, in case of orbital masses, may require a biopsy control...
December 14, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/29186572/hydroxycloroquine-blood-concentration-in-lupus-nephritis-a-determinant-of-disease-outcome
#13
Cátia Cunha, Suceena Alexander, Damien Ashby, Janet Lee, Gary Chusney, Tom D Cairns, Liz Lightstone
Background: Hydroxychloroquine (HCQ) is a recommended drug in systemic lupus erythematosus (SLE). It has a long terminal half-life, making it an attractive target for therapeutic drug monitoring. The aim of this study was to establish a relationship between blood HCQ concentration and lupus nephritis activity. Methods: We conducted a retrospective observational study with data collected from clinical and laboratory records. Inclusion criteria were patients followed in the lupus clinic with biopsy-proven International Society of Nephrology/Renal Pathology Society Classes III, IV or V lupus nephritis on HCQ for at least 3 months (200-400 mg daily) and with HCQ levels measured during treatment...
November 23, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29141242/chloroquine-autophagic-inhibition-rebalances-th17-treg-mediated-immunity-and-ameliorates-systemic-lupus-erythematosus
#14
Ning An, Yanwen Chen, Chao Wang, Chen Yang, Zhi-Hong Wu, Jing Xue, Lin Ye, Shujun Wang, Hua-Feng Liu, Qingjun Pan
BACKGROUND: Imbalanced cellular immunity is critical to the pathogenesis of systemic lupus erythematosus (SLE). Recently, autophagy has emerged as a key homeostatic mechanism in T lymphocytes. This study was conducted to explore the impact of autophagy on the Th17/ regulatory T (Treg) immune imbalance in SLE. METHODS: Peripheral Th17 and Treg cells from newly diagnosed patients with SLE and healthy controls were detected by flow cytometry. Additionally, the effects of chloroquine (CQ) autophagic inhibition on the Th17/Treg immune response were investigated in vitro...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29026363/highly-accelerated-onset-of-hydroxychloroquine-macular-retinopathy
#15
Ethan M Stern, Jordan S Johnson, Donald A Mazzulla
BACKGROUND: Hydroxychloroquine (HCQ, Plaquenil) is often prescribed in lieu of other sulfate antimalarials to treat rheumatologic diseases because of its pharmacologic efficacy and few reported side effects. However, a known potential side effect of HCQ is retinal toxicity. CASE REPORT: A 61-year-old black female presented for screening of ophthalmic disease 2 months after initiation of HCQ for the treatment of polyarthralgia with a positive rheumatoid factor. At the time of the examination, she had taken a cumulative total of 19...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28802235/steviol-stabilizes-polycystin-1-expression-and-promotes-lysosomal-degradation-of-cftr-and-%C3%AE-catenin-proteins-in-renal-epithelial-cells
#16
Chaowalit Yuajit, Chatchai Muanprasat, Sureeporn Homvisasevongsa, Varanuj Chatsudthipong
Malfunction of polycystin 1 (PC1) is linked to abnormally high epithelial cell proliferation and fluid secretion, eventually leading to renal cyst development and declined renal function as found in autosomal dominant polycystic kidney disease (ADPKD). Currently, there is no effective therapy for ADPKD. Recent studies report PC1 regulates CFTR chloride channels and β-catenin levels in normal renal epithelial cells. Concurrently, our previous study found steviol retarded renal cyst enlargement in an in vitro and in an in vivo models by reducing CFTR expression and activity...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28640657/retinal-findings-on-oct-in-systemic-conditions
#17
Preeti Patil Chhablani, Vikas Ambiya, Akshay G Nair, Sailaja Bondalapati, Jay Chhablani
PURPOSE: Imaging technology has advanced by leaps and bounds in the recent past and has resulted in a much greater understanding of ocular diseases. The aim of this review article is to summarize optical coherence tomography (OCT) findings of various systemic conditions. METHOD: A systematic literature search of the Medline/PubMed database was performed. English articles up to April 2015 were included. Terms used for search included: Alzheimer's Disease; Multiple Sclerosis; Parkinson's Disease; Behçet's Disease; Schizophrenia; Migraine; Obstructive Sleep Apnea Syndrome; Neurofibromatosis; Sickle Cell Disease; Renal diseases; Lupus Retinopathy; Valsalva Retinopathy; Whiplash Retinopathy; Shaken-Baby Syndrome; Choroidal metastases; Intracranial Hypertension; Drug toxicity; Deferoxamine; Sildenafil; Tamoxifen; Hydroxychloroquine; Chloroquine; Ethambutol; Lead; Sickle Cell Disease; and Thalassemia along with OCT...
June 22, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28499424/ultrastructural-deposits-appearing-as-zebra-bodies-in-renal-biopsy-fabry-disease-comparative-case-reports
#18
Precil Diego Miranda de Menezes Neves, Juliana Reis Machado, Fabiano Bichuette Custódio, Maria Luíza Gonçalves Dos Reis Monteiro, Shigueo Iwamoto, Marlene Freire, Marisa França Ferreira, Marlene Antônia Dos Reis
BACKGROUND: Fabry Disease (FD) is a genetic disorder caused by alpha-galactosidase A deficiency. Certain drugs, such as hydroxychloroquine, can produce renal deposits that mimic morphological findings seen in FD, characterizing a type of drug-induced renal phospholipidosis. CASE PRESENTATION: Case 1: A 28-year-old female patient with systemic lupus erythematosus who had been using hydroxychloroquine for 14 months presented subnephrotic proteinuria. Renal biopsy showed deposits compatible with FD...
May 12, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28210512/porphyria-cutanea-tarda-in-a-patient-with-end-stage-renal-disease-a-case-of-successful-treatment-with-deferoxamine-and-ferric-carboxymaltose
#19
Natacha Rodrigues, Fernando Caeiro, Alice Santana, Teresa Mendes, Leonor Lopes
Porphyria cutanea tarda (PCT) is a rare disease, with a strong association with hepatitis C virus. PCT is particularly problematic in end-stage renal disease patients as they have no renal excretion of porphyrins and these are poorly dialyzed. Also, conventional treatment of PCT is compromised in these patients as hydroxychloroquine is contraindicated, phlebotomies with the stipulated frequency are poorly tolerated in already anaemia-prone patients, and iron-chelating agents are less efficient in removing iron and contribute to worsening anaemia...
2017: Case Reports in Nephrology
https://www.readbyqxmd.com/read/28195610/hydroxychloroquine-screening-alert-change-is-in-the-wind
#20
EDITORIAL
Michael F Marmor
Recent studies have changed the management of hydroxychloroquine retinopathy. This editorial outlines a new standard. Estimate dose by real weight, staying below 5 mg/kg. Asian patients may show initial damage outside the parafovea. Renal disease, maculopathy, and tamoxifen are major risk factors. Proper screening allows long usage and avoids bull's eye retinopathy.
February 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
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