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https://www.readbyqxmd.com/read/29650685/osimertinib-a-novel-dermatologic-adverse-event-profile-in-patients-with-lung-cancer
#1
Chia-Yu Chu, Jennifer Choi, Beth Eaby-Sandy, Corey J Langer, Mario E Lacouture
Dermatologic adverse events (dAEs) are common with the use of epidermal growth factor receptor-tyrosine kinase inhibitor (EGFR-TKI) therapy. First- and second-generation agents (erlotinib, gefitinib, and afatinib) are frequently associated with acneiform rash, pruritus, xerosis, and paronychia; the incidence and characterization of these dAEs have been well described. However, there is evidence that the dAE profile is different with third-generation EGFR-TKIs. Herein, we describe the dAEs associated with third-generation EGFR-TKIs and our clinical experience with osimertinib, a third-generation EGFR-TKI approved by the U...
April 12, 2018: Oncologist
https://www.readbyqxmd.com/read/29617406/isolation-and-characterization-of-corynebacterium-spp-from-bulk-tank-raw-cow-s-milk-of-different-dairy-farms-in-germany
#2
Julia Hahne, Tabea Kloster, Sandra Rathmann, Mareike Weber, André Lipski
We detected Corynebacterium spp. in raw milk samples of three farms by means of a selective, tellurite-containing medium. The isolated strains were identified based on full 16S rRNA gene sequences and partial rpoB gene sequences as C. xerosis, C. variabile, C. lactis, C. callunae, C. confusum, C. glutamicum and C. crudilactis. The identification based on 16S rRNA and rpoB sequences was not reliable for isolates of C. xerosis. Chemotaxonomic markers of the isolates, fatty acids, acyl type of peptidoglycan, presence and length of mycolic acids, quinone patterns, and polar lipids, were in accord with the known characteristics of these species...
2018: PloS One
https://www.readbyqxmd.com/read/29607377/targeted-therapy-induced-facial-skin-toxicities-impact-on-quality-of-life-in-cancer-patients
#3
Kaori Yagasaki, Hiroko Komatsu, Kenzo Soejima, Katsuhiko Naoki, Ichiro Kawada, Hiroyuki Yasuda, Yasuo Hamamoto
Objective: Targeted therapy-induced facial skin toxicities may reduce overall quality of life (QoL) in cancer patients. We investigated whether facial skin toxicities affect QoL and attempted to identify factors related to QoL in patients with advanced/recurrent cancer. Methods: We performed a cross-sectional study in 34 outpatients with advanced/recurrent cancer showing targeted therapy-induced facial skin toxicities in Japan between November 2016 and February 2017...
April 2018: Asia-Pacific Journal of Oncology Nursing
https://www.readbyqxmd.com/read/29587357/importance-of-footwear-for-preventing-xerosis-and-hyperkeratosis-in-older-people-with-psychiatric-disorders-living-in-an-institution
#4
Ana María Pérez-Pico, Félix Marcos-Tejedor, María José Iglesias-Sánchez, Raquel Mayordomo Acevedo
Few studies have focused on the relation between the use and characteristics of footwear and the presence of foot lesions in people with psychiatric disorders. This work analyzes the influence of different footwear habits on the presence of deformities and ungueal and dermal pathologies of the foot of institutionalized people with psychiatric disorders compared to people without these disorders. A transversal and observational study was conducted on 107 participants, divided into two groups who have used different types of shoes throughout their lives...
March 24, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29577562/dermatological-manifestations-in-hemodialysis-patients-in-iran-a-systematic-review-and-meta-analysis
#5
Hamid Asayesh, Niloofar Peykari, Mohammad Pavaresh-Masoud, Mohammad Esmaeili Abdar, Ramin Tajbakhsh, Seyed Mojtaba Mousavi, Shirin Djalalinia, Mehdi Noroozi, Mostafa Qorbani, Armita Mahdavi-Gorabi
BACKGROUND: Dermatologic complications are common in patients with end-stage renal disease and also have a high diversity. OBJECTIVES: This meta-analysis reviews prevalence of dermatological manifestations among hemodialysis patients in Iran. MATERIALS AND METHODS: Using PubMed and NLM Gateway (for MEDLINE), Institute of Scientific Information (ISI), and SCOPUS as the main international electronic data sources, and Iran-Medex, Irandoc, and Scientific Information Database, as the main domestic databases with systematic search capability, we systematically searched surveys, papers, and reports on the prevalence of dermatological manifestations (until February 2016)...
March 25, 2018: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29576427/dermatologic-toxicity-occurring-during-anti-egfr-monoclonal-inhibitor-therapy-in-patients-with-metastatic-colorectal-cancer-a-systematic-review
#6
REVIEW
Mario E Lacouture, Milan Anadkat, Aminah Jatoi, Tamer Garawin, Chet Bohac, Edith Mitchell
Monoclonal antibody inhibitors of the epidermal growth factor receptor (EGFR) have been shown to improve outcomes for patients with metastatic colorectal cancer (mCRC) without RAS gene mutations. However, treatment with anti-EGFR agents can be associated with toxicities of the skin, nails, hair, and eyes. Because these dermatologic toxicities can result in treatment discontinuation and affect patient quality of life, their management is an important focus when administering anti-EGFR monoclonal antibodies. The present systematic review describes the current data reporting the nature and incidence of, and management and treatment options for, dermatologic toxicities occurring during anti-EGFR treatment of mCRC...
December 13, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29566918/causes-pathophysiology-and-treatment-of-pruritus-in-the-mature-patient
#7
Alina Shevchenko, Rodrigo Valdes-Rodriguez, Gil Yosipovitch
Chronic itch is a common and debilitating health condition in the elderly. There are several common causes of itch in the mature population, such as skin xerosis, immunosenescence, and neuropathic changes. In addition, skin diseases, such as seborrheic dermatitis and stasis dermatitis, systemic conditions (end-stage renal disease and diabetes), or psychogenic derailments, such as depression, anxiety, and dementia, can all serve as triggers of pruritus. Polypharmacy, a common occurrence among the elderly population, may also serve as a cause of itch that may or may not be accompanied by dermatitis...
March 2018: Clinics in Dermatology
https://www.readbyqxmd.com/read/29564872/reducing-the-oral-isotretinoin-skin-side-effects-efficacy-of-8-omega-ceramides-hydrophilic-sugars-5-niacinamide-cream-compound-in-acne-patients
#8
Maria V Cannizzaro, Annunziata Dattola, Virginia Garofalo, Ester Del Duca, Luca Bianchi
BACKGROUND: Acne vulgaris is a chronic inflammatory skin disease that manifests as open and closed comedones as well as inflammatory papules, pustules, and nodules localized on face and trunk. Oral isotretinoin demonstrated to be effective in controlling seborrhea, inflammation, Propionibacterium Acnes hyperproliferation and reducing scarring, nevertheless muco-cutaneous side effects, particularly dryness, itching, bruising are commonly seen in patients under treatment with isotretinoin reducing the compliance to the treatment...
April 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29549700/cutaneous-toxicities-of-epidermal-growth-factor-receptor-inhibitors-a-prospective-study-in-60-asian-patients
#9
Leena Chularojanamontri, Papapit Tuchinda, Chayanee Likitwattananurak, Kamolwan Pongparit, Chuda Rujitharanawong, Suthinee Ithimakin, Kanokvalai Kulthanan
BACKGROUND: Several prospective studies have been conducted in epidermal growth factor receptor (EGFR) inhibitor-related cutaneous reactions in Caucasian patients, but prospective studies in Asian populations are scarce. OBJECTIVE: To investigate the cutaneous side effects of EGFR inhibitors in Asian cancer patients and to assess tumor response to dermatologic manifestations. METHODS: Sixty patients with lung or colorectal cancer who were receiving EGFR inhibitors were prospectively followed for at least one year by oncologists and dermatologists...
March 12, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29537446/dermal-microflora-restoration-with-ammonia-oxidizing-bacteria-nitrosomonas-eutropha-in-the-treatment-of-keratosis-pilaris-a-randomized-clinical-trial
#10
Nicole Y Lee, Omer Ibrahim, Shilpi Khetarpal, Mariya Gaber, Spiros Jamas, Ioannis Gryllos, Jeffrey S Dover
Keratosis pilaris (KP) is a common skin finding that presents as follicular hyperkeratotic papules on the proximal extremities in patients with a propensity for atopy. Although often asymptomatic, the stippled appearance is cosmetically disturbing to patients and difficult to treat as current therapies are limited in availability and efficacy. Nitric oxide (NO) has been found to be essential in basic systemic and cutaneous physiologic function, specifically in terms of its anti-microbial and anti-inflammatory properties, which evolutionarily was maintained by ammonia-oxidizing bacteria (AOB)...
March 1, 2018: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29532749/nanotechnological-advances-for-cutaneous-release-of-tretinoin-an-approach-to-minimize-side-effects-and-improve-therapeutic-efficacy
#11
Ana Claudia Pompeu Raminelli, Valeria Romero, Mohammad H Semreen, Gislaine Ricci Leonardi
The clinical efficacy of the topical tretinoin is widely studied and has been well established for many therapeutic interventions, among some, photoaging, acne, and melasma. However, the side effects, mainly cutaneous irritation, erythema, xerosis and peeling, remain major obstacle to the patient compliance. Besides, the insight regarding the drug delivery profile is essential to understand the therapeutic action of the drug. Herein we highlight further advances and an update on tretinoin delivery systems such as liposomes, niosomes, solid lipid nanoparticles, nanostructured lipid carriers, cyclodextrins, nanostructured polymers and other technological systems that reduce its side effects and improve the permeation profile to potentiate efficacy and drug safety on the skin...
March 12, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29527024/cutaneous-adverse-reactions-of-chemotherapy-in-cancer-patients-a-clinicoepidemiological-study
#12
Saumita Ghosh Biswal, Rajesh Datt Mehta
Background: The diagnosis of cutaneous adversities in the cancer patient is especially difficult, given the complexity of their illness and combination protocols used for the treatment. The present study was undertaken to know the spectrum of cutaneous adversities in patients undergoing chemotherapy and the drug(s) most commonly associated with it. Materials and Methods: A total of 1000 patients with malignancies under chemotherapy in the oncology ward and outpatient department were screened in this observational study from January 2013 to February 2015...
January 2018: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/29512138/changes-in-filaggrin-degradation-products-and-corneocyte-surface-texture-by-season
#13
K A Engebretsen, S Kezic, C Riethmüller, J Franz, I Jakasa, A Hedengran, A Linneberg, J D Johansen, J P Thyssen
BACKGROUND: During the winter in northern countries, the risk of dermatitis is increased due to low temperature and humidity. Dermatitis is particularly common on weather-exposed skin such as the cheeks and hands. Recently, increased numbers of unidentified nanosized protrusions on the corneocyte surface were associated with dermatitis and deficiency of natural moisturizing factor (NMF). OBJECTIVES: To investigate the effect of season on NMF levels and corneocyte surface texture in cheek and hand skin of healthy adults...
March 7, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29507555/the-incidence-and-management-of-cutaneous-adverse-events-of-the-epidermal-growth-factor-receptor-inhibitors
#14
REVIEW
Witold Owczarek, Monika Słowińska, Aleksandra Lesiak, Magdalena Ciążyńska, Aldona Maciąg, Elwira Paluchowska, Luiza Marek-Józefowicz, Rafał Czajkowski
Overexpression of the epidermal growth factor receptor (EGFR) is found in many cancers, including those of the head and neck area, non-small-cell lung cancer, and colorectal, cervical, prostate, breast, ovary, stomach, and pancreatic cancer. The EGFR inhibitors are used at present in the treatment of such cancers. Skin lesions that develop during and after cancer treatment may be due to specific cytostatics, molecular-targeted drugs, radiation therapy, complementary therapy, or the cancer itself, and hence knowledge is essential to distinguish between them...
October 2017: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/29498116/a-new-technique-for-evaluating-heel-xerosis-grade-and-the-effects-of-moisturizer-on-heel-skin-dryness
#15
J Y Choi, E J Kim, S I Jang, A R Kim, T J Lee, H K Lee
BACKGROUND: Dryness-related heel skin problems are common; however, there are very few studies about heel skin dryness. The objective of this study was to develop new assessment methods for evaluating heel skin dryness, to clarify the characteristics associated with heal skin dryness, and assess the effectiveness of moisturizer use according to dryness severity. MATERIALS AND METHODS: We investigated the heel skin of 150 Korean women (aged 20-78 years). Heel skin images were taken using a DSLR camera and the distribution or severity of flakes, scaling, cracking, and fissures were visually assessed...
March 1, 2018: Skin Research and Technology
https://www.readbyqxmd.com/read/29487960/-topical-therapy-for-atopic-eczema
#16
REVIEW
M Knop, A Gürtler, A Heratizadeh, N Aszodi, Th Werfel, A Wollenberg
Atopic eczema is a chronic recurrent inflammatory skin disease characterized by intensive pruritus and a high burden of disease. Based on a genetically determined skin barrier dysfunction, xerosis cutis and a tendency towards microbial skin infections are the leading clinical features. Mild and moderate disease manifestations are common, and usually treated with topical agents only. Treatment concepts are usually based on a combination of (i) topical basic therapy consisting of skin cleansing and barrier stabilizing emollients and (ii) topical anti-inflammatory therapy of visible skin lesions with topical corticosteroids and topical calcineurin inhibitors...
March 2018: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/29479972/observational-study-of-dermatological-manifestations-in-patients-admitted-to-a-tertiary-poison-center-in-iran
#17
Hale Talaie, Soheila Nasiri, Mehdi Gheisari, Sahar Dadkhahfar, Soma Ahmadi
Background/aim: Acute unintentional and deliberate poisoning by medications and chemicals is a frequent emergency, especially in Iran. This study aimed to evaluate the frequency and character of skin findings occurring in patients with acute intentional and aunintentional poisoning. Materials and methods: This prospective observational study was performed at the Loghman Hakim Hospital Poison Center over a period of 6 months from April 2016 to September 2016. Data including patient demographics, cause of poisoning, and level of consciousness were collected...
February 23, 2018: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29478059/skin-examination-an-important-diagnostic-tool-in-renal-failure-patients
#18
Karen M Van de Velde-Kossmann
Renal failure is common in the United States with an estimated prevalence of 660,000 treated end-stage renal disease patients in 2015 [<xref ref-type="bibr" rid="ref1">1</xref>]. Causes of renal failure are many, and complications from renal failure, underlying disease, and treatment are not infrequent. Examples of common skin manifestations include xerosis, pigmentary change, and nail dystrophies. Frequent disease-specific skin changes may be helpful in the diagnosis of primary disorders leading to renal disease or severity of disease including bullosis diabeticorum, sclerodactyly, or leukoctoclastic vasculitis...
January 26, 2018: Blood Purification
https://www.readbyqxmd.com/read/29469781/ponatinib-induced-ichthyosiform-drug-eruption-insights-into-acquired-ichthyosis
#19
Haoming Xu, Klaus J Busam, Michael J Mauro, Alina Markova
Cutaneous adverse events are commonly experienced with use of tyrosine kinase inhibitors in the treatment of leukemia and typically include nonspecific cutaneous eruptions and xerosis. We report the case of a man who experienced an ichthyosiform drug eruption while taking ponatinib, a third-generation tyrosine kinase inhibitor. Disruption of epidermal growth pathways through inhibition of various receptor tyrosine kinases by ponatinib may offer insights into the pathophysiologic mechanisms behind acquired ichthyosis...
October 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/29441293/mucocutaneous-manifestations-in-patients-with-chronic-kidney-disease-a-cross-sectional-study
#20
Rattan S Rashpa, Vikram K Mahajan, Pankaj Kumar, Karaninder S Mehta, Pushpinder S Chauhan, Ritu Rawat, Vikas Sharma
Background: Chronic kidney disease (CKD)-associated mucocutaneous manifestations significantly impair the quality of life but often remain understudied. They may also vary across regions, socioeconomic and nutritional status, and racial differences. Objectives: To study the patterns of mucocutaneous disorders and their prevalence in CKD patients irrespective of clinical stage or dialysis status. Materials and Methods: 122 (M:F = 77:45) patients aged 21‒85 (Mean ± SD = 57...
January 2018: Indian Dermatology Online Journal
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