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Calcipotriol

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https://www.readbyqxmd.com/read/29733645/aromatic-based-design-of-highly-active-and-noncalcemic-vitamin-d-receptor-agonists
#1
Pranjal Gogoi, Samuel Seoane, Rita Sigueiro, Thierry Guiberteau, Miguel A Maestro, Roman Perez-Fernandez, Natacha Rochel, Antonio Mouriño
1We report the design, synthesis, biological evaluation and structural analysis of a new class of vitamin D analogs that possess an aromatic m-phenylene D-ring and an alkyl chain replacing the C-ring. A key feature of the synthetic strategy is a stereoselective Pd-catalyzed construction of the triene system in aqueous medium that allows the rapid preparation of small amounts of VDR ligands for biological screening. Analogs with the shorter (2a) and longer (2d, 2e) side chains attached to the triene system have no calcemic activity...
May 7, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29630157/an-intensely-pruritic-pebbled-presentation
#2
Livia Francine Soriano, Conn McGrath, Mark Hawthorne, Arucha Linda Ekeowa-Anderson
Lichen amyloidosis (LA) is a form of primary localized cutaneous amyloidosis (PLCA) characterized by bilateral intensely itchy domed scaly hyperkeratotic papules. Lichen amyloidosis is rare and affects men more than women. It is uncommonly seen in the western world but more prevalent in Asia. These papules most typically affect the shins and occasionally the arms and torso. Lichen amyloidosis has been reported in association with autoimmune disorders and after prolonged exfoliation and friction of affected skin...
March 7, 2018: Dermatology Online Journal
https://www.readbyqxmd.com/read/29575677/vitamin-d-analogues-tacalcitol-and-calcipotriol-inhibit-proliferation-and-migration-of-t98g-human-glioblastoma-cells
#3
Ida Emanuelsson, Kjell Wikvall, Tomas Friman, Maria Norlin
The active form of vitamin D (1α,25-dihydroxyvitamin D) acts as a steroid hormone and binds to the vitamin D receptor (VDR). This receptor is expressed in most cell types including cells in the CNS. Vitamin D has several functions in the body including effects on brain development, neuroprotection and immunological regulation. It has been shown that vitamin D has anti-proliferative activities in different cancer cell lines. Tacalcitol and calcipotriol are synthetic analogues of 1α,25-dihydroxyvitamin D with reduced effect on calcium metabolism...
March 25, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29502110/prospective-observational-non-interventional-multicentre-study-on-the-efficacy-and-tolerability-of-a-new-calcipotriol-betamethasone-aerosol-foam-enstilar%C3%A2-in-patients-with-plaque-psoriasis-under-daily-practice-conditions
#4
Sascha Gerdes, Marion Krakor, Tobias Anger, Hans Joachim Hutt, Andreas Körber
BACKGROUND/AIMS: To assess the efficacy and tolerability of the new aerosol foam of calcipotriol 50 µg/g plus betamethasone dipropionate 0.5 mg/g (Cal/BD foam, Enstilar®) in psoriasis vulgaris under daily practice conditions. METHODS: 410 adult psoriasis patients (56% male) from 87 German sites were enrolled in a 4-week, open-label, prospective, non-controlled, observational, non-interventional study. RESULTS: At baseline, patients presented with a psoriasis severity of mild (41...
2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/29493005/use-of-topical-therapies-for-pediatric-psoriasis-a-systematic-review
#5
REVIEW
Georgios Kravvas, Karolina Gholam
Psoriasis is one of the most common chronic skin diseases, affecting 1%-3% of the general population. It can have a significant negative impact on a patient's quality of life, and in approximately 30% of patients first symptoms can be traced back to childhood. We have performed a comprehensive literature search using the MEDLINE database in order to ascertain the efficacy and adverse reactions of topical treatments in pediatric psoriasis. A total of 13 relevant articles were identified on the following topical agents: corticosteroids, calcineurin inhibitors, vitamin D analogs, and dithranol...
May 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29476878/low-systemic-exposure-and-calcemic-effect-of-calcipotriol-betamethasone-ointment-in-rats-with-imiquimod-induced-psoriasis-like-dermatitis
#6
Kyosuke Satake, Toru Amano, Tadao Okamoto
Vitamin D3 (VD3 ) analogues-containing ointments are known to occasionally cause hypercalcemia in psoriasis patients, and the frequency of hypercalcemia is suggested to vary based on the VD3 analogue used. In this study, to address the differences in calcemic effects of VD3 -containing ointments, the calcemic effects of marketed VD3 -containing ointments, including calcipotriol (Cal), maxacalcitol (Max), tacalcitol (Tac), calcipotriol/betamethasone dipropionate (Cal/BDP) and maxacalcitol/betamethasone butyrate propionate (Max/BBP) ointments, were evaluated in a rat model of imiquimod-induced dermatitis...
May 5, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29476546/a-randomized-split-scalp-study-comparing-calcipotriol-assisted-mal-pdt-with-conventional-mal-pdt-for-the-treatment-of-actinic-keratosis
#7
L Torezan, B Grinblat, M Haedersdal, N Valente, C Festa-Neto, R M Szeimies
BACKGROUND: Topical photodynamic therapy (PDT) is an approved treatment for actinic keratosis (AK). To enhance the efficacy of PDT for AKs, physical (ablative lasers and microneedling) and chemical (pro-differentiating drugs) pretreatments have been suggested. OBJECTIVES: To compare the efficacy and safety of the combination of topical calcipotriol (CAL) before methylaminolevulinate (MAL)-PDT for AKs of the scalp versus conventional MAL-PDT in a randomized controlled-clinical trial...
February 24, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29474945/neutralization-of-il-17c-reduces-skin-inflammation-in-mouse-models-of-psoriasis-and-atopic-dermatitis
#8
Nick Vandeghinste, Jürgen Klattig, Catherine Jagerschmidt, Stéphanie Lavazais, Florence Marsais, Jan D Haas, Marielle Auberval, Felix Lauffer, Tara Moran, Mate Ongenaert, Maarten Van Balen, Sonia Dupont, Liên Lepescheux, Teresa Garcia, Stefan Härtle, Kilian Eyerich, Padraic G Fallon, Reginald Brys, Stefan Steidl
IL-17C is a functionally distinct member of the IL-17 family that was believed to play a role in the pathogenesis of psoriasis. Here we confirmed that IL-17C is involved in psoriasis and explored potential roles for IL-17C in atopic dermatitis (AD). An anti-IL-17C antibody, MOR106, was generated that potently and selectively binds to human and mouse IL-17C, thereby inhibiting the binding of IL-17C to its IL-17RE receptor. The antibody inhibited cutaneous inflammation in an IL-23-induced psoriatic-like skin inflammation model...
February 21, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29466894/a-preliminary-study-on-topical-ozonated-oil-in-the-therapeutic-management-of-atopic-dermatitis-in-murine
#9
J Lu, M Chen, L Gao, Q Cheng, Y Xiang, J Huang, K Wu, J Huang, M Li
OBJECTIVE: To explore whether ozonated oil recovery atopic dermatitis (AD) via immunoregulation. METHODS: Mice were repeatedly challenged with the triplex allergens of staphylococcal enterotoxin B, ovalbumin and calcipotriol ointment on the back to develop AD lesions, and were treated with ozonated oil. The lesional skins were scanned by reflectance confocal microscopy to measure the thickness of epidermis. The skin tissues were stained. Th1-type and Th2-type cytokines in serum and in tissues were detected by ELISA and real-time PCR, respectively...
March 2, 2018: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/29419896/comparison-of-effectiveness-and-safety-of-excimer-lamp-vs-topical-calcipotriol-clobetasol-propionate-combination-in-the-treatment-of-palmoplantar-psoriasis
#10
Abhishek Thakur, Anuradha Bishnoi, Sunil Dogra, Tarun Narang
BACKGROUND: Very few studies have assessed the efficacy of excimer in the treatment of palmoplantar psoriasis (PPP), and none has compared the excimer with calcipotriol-clobetasol propionate combination. PURPOSE: To compare the effectiveness and safety of excimer lamp vs topical ointment containing calcipotriol (0.005% w/w) and clobetasol propionate (0.05% w/w) combination in PPP. METHODS: This right-left randomization trial included 36 patients with PPP, who received treatment with excimer lamp (twice weekly) on one side and calcipotriol-clobetasol combination (once daily) on another side for 12 weeks, followed by 8 weeks of follow-up...
February 8, 2018: Photodermatology, Photoimmunology & Photomedicine
https://www.readbyqxmd.com/read/29415699/can-an-app-supporting-psoriasis-patients-improve-adherence-to-topical-treatment-a-single-blind-randomized-controlled-trial
#11
Mathias Tiedemann Svendsen, Flemming Andersen, Kirsten Hammond Andersen, Klaus Ejner Andersen
BACKGROUND: Topical corticosteroid or corticosteroid/calcipotriol preparations are recommended first-line topical treatments of psoriasis, but a main cause for the lack of efficacy of topical treatments is considered low rates of adherence to topical drugs. Patient support by the use of applications (apps) for smartphones is suggested to improve medical adherence. METHODS/DESIGN: Design: An investigator-initiated, single-center, single-blind, parallel-group, phase-4 clinical superiority randomized controlled trial (RCT)...
February 7, 2018: BMC Dermatology
https://www.readbyqxmd.com/read/29392742/the-vitamin-d3-analogue-calcipotriol-suppresses-cpg-activated-tlr9-myd88-signalling-in-murine-plasmacytoid-dendritic-cells
#12
T Suzuki, J Sakabe, K Kamiya, A Funakoshi, Y Tokura
BACKGROUND: Plasmacytoid dendritic cells (pDCs) are involved in the pathogenesis of psoriasis by secreting interferon-α. Vitamin D3 analogues are widely used to treat psoriasis, and the representative analogue calcipotriol (CAL) uniquely downregulates the cytokine production and chemotactic activity of pDCs. However, the molecular mechanism of action of CAL is not well understood. AIM: To investigate effects of CAL on the Toll-like receptor 9-myeloid differentiation primary response gene 88 (TLR9-MyD88) signalling pathway, which induces cytokine production, in murine pDCs...
February 1, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29375203/antifibrogenic-effects-of-vitamin-d-derivatives-on-mouse-pancreatic-stellate-cells
#13
Peter Wallbaum, Sarah Rohde, Luise Ehlers, Falko Lange, Alexander Hohn, Carina Bergner, Sarah Marie Schwarzenböck, Bernd Joachim Krause, Robert Jaster
AIM: To study the molecular effects of three different D-vitamins, vitamin D2, vitamin D3 and calcipotriol, in pancreatic stellate cells (PSCs). METHODS: Quiescent PSCs were isolated from mouse pancreas and activated in vitro by seeding on plastic surfaces. The cells were exposed to D-vitamins as primary cultures (early-activated PSCs) and upon re-culturing (fully-activated cells). Exhibition of vitamin A-containing lipid droplets was visualized by oil-red staining...
January 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29336190/a-cost-effectiveness-analysis-of-calcipotriol-plus-betamethasone-dipropionate-aerosol-foam-versus-gel-for-the-topical-treatment-of-plaque-psoriasis
#14
Peter Foley, Sinead Garrett, Lasse Ryttig
BACKGROUND: Calcipotriol 50 µg/g and betamethasone 0.5 mg/g dipropionate (Cal/BD) aerosol foam formulation provides greater effectiveness and improved patient preference compared with traditional Cal/BD formulations for the topical treatment of plaque psoriasis. OBJECTIVE: To determine the cost-effectiveness of Cal/BD foam compared with Cal/BD gel from the Australian perspective. METHODS: A Markov model was developed to evaluate the cost-effectiveness of topical Cal/BD foam and gel for the treatment of people with plaque psoriasis...
January 24, 2018: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29330859/differential-effects-of-phototherapy-adalimumab-and-betamethasone-calcipotriol-on-effector-and-regulatory-t-cells-in-psoriasis
#15
I S Kotb, B J Lewis, R N Barker, A D Ormerod
BACKGROUND: Psoriasis is a chronic T cell-mediated skin disease with marked social and economic burdens. Current treatments are unsatisfactory, with unpredictable remission times and incompletely understood modes of action. Recent advances in our understanding of the pathogenesis of psoriasis identify the imbalance between CD4+ T effector cells, particularly the T helper (Th) 17 subset, and regulatory T cells (Treg) as key to the development of psoriatic lesions, and therefore a novel therapeutic target...
January 12, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29219782/preventive-role-of-vitamin-d-in-silica-induced-skin-fibrosis-a-study-in-relation-to-oxidative-stress-and-pro-inflammatory-cytokines
#16
Ashwani Koul, Stanzin Angmo, Sanjay Bharati
The protective effects of vitamin D analogue calcipotriol in silica-induced skin fibrosis were studied in the present study. Male BALB / c mice were divided into four groups; Control, Vitamin D, Silica and Silica+Vitamin D. Silica was administered as a single intradermal injection (40 µg / µL, dissolved in normal saline; particle size 1 - 5 µm) in the hind limbs of animals in Silica & Silica+Vitamin D group. Vitamin D group animals received topical application of 100µL of vitamin D solution (10-7 M in Ethanol) daily for 12 weeks...
December 8, 2017: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
https://www.readbyqxmd.com/read/29203353/calcipotriol-as-pretreatment-prior-to-daylight-mediated-photodynamic-therapy-in-patients-with-actinic-keratosis-a-case-series
#17
Gaston Nestor Galimberti
This split-face design study evaluated the effect of pretreatment with calcipotriol prior to daylight-mediated photodynamic therapy (DL-PDT) in patients with actinic keratosis (AK). The study included 11 subjects with grade I-III AK (mean age: 55 years). Subjects used once-daily calcipotriol 50 mcg/g ointment on half the face/scalp for 15days prior to DL-PDT. Evaluations of efficacy, safety and subject satisfaction were conducted 48hours and 7days after treatment, and at 1- and 3-month follow-ups. Three months after treatment with calcipotriol/DL-PDT and DL-PDT alone, the complete response rate was 85% and 70%, respectively...
December 1, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/29155016/topical-administration-of-reversible-sahh-inhibitor-ameliorates-imiquimod-induced-psoriasis-like-skin-lesions-in-mice-via-suppression-of-tnf-%C3%AE-ifn-%C3%AE-induced-inflammatory-response-in-keratinocytes-and-t-cell-derived-il-17
#18
Ze-Min Lin, Meng Ma, Heng Li, Qing Qi, Yu-Ting Liu, Yu-Xi Yan, Yun-Fu Shen, Xiao-Qian Yang, Feng-Hua Zhu, Shi-Jun He, Wei Tang, Jian-Ping Zuo
DZ2002, a reversible S-adenosyl-l-homocysteine hydrolase (SAHH) inhibitor with immunosuppressive properties and potent therapeutic activity against various autoimmune diseases in mice. The present study was designed to characterize the potential therapeutic effects of DZ2002 on murine model of psoriasis and reveal the correlated mechanisms. In this report, we demonstrated that in vitro, DZ2002 significantly decreased the expression of pro-inflammatory cytokines and adhesion molecule including IL-1α, IL-1β, IL-6, IL-8, TNF-α and ICAM-1 by inhibiting the phosphorylation of p38 MAPK, ERK and JNK in TNF-α/IFN-γ-stimulated HaCaT human keratinocytes...
March 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29138062/topical-calcipotriol-before-ablative-fractional-laser-assisted-photodynamic-therapy-enhances-treatment-outcomes-for-actinic-keratosis-in-fitzpatrick-grades-iii-v-skin-a-prospective-randomized-clinical-trial
#19
https://www.readbyqxmd.com/read/29114901/allergic-contact-dermatitis-caused-by-calcipotriol
#20
Liesbeth Gilissen, Sara Huygens, An Goossens
BACKGROUND: Calcipotriol, a synthetic vitamin D analogue, is widely used for the topical treatment of psoriasis. It often causes irritant reactions, whereas allergic contact dermatitis has less commonly been reported. OBJECTIVES: To report on 6 patients (among them an 11-year-old child) who presented with eczematous lesions complicating pre-existing dermatitis, observed in our tertiary referral patch test clinic between 2004 and 2016. METHODS: Patch tests were performed with the commercial preparation used by the patients and/or its ingredients, including calcipotriol (2 or 10 µg/ml in isopropyl alcohol), according to ESCD patch test guidelines...
February 2018: Contact Dermatitis
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