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antihistamínicos H1

Sep 29
Love0

Usage patterns of oral H1-antihistamines in 10 European countries: A study using MASK-air® and Google Trends real-world data

By Artículos seleccionados, Selected articles

Vieira RJ, Sousa-Pinto B, Anto JM, Sheikh A, Klimek L, Zuberbier T, Fonseca JA, Bousquet J

World Allergy Organ J. 2022 Jun 24;15(7):100660. doi: 10.1016/j.waojou.2022.100660. eCollection 2022 Jul.

Real-world data may help provide important data on different conditions, namely allergic rhinitis. However, evaluating this information can represent a challenge, as results from internet users may be influenced by different factors, from the real epidemiology of the conditions being evaluated, but also by the attention they get in the media.

This study compared real-world data from MASK-air®, a mobile app for allergic rhinitis on the usage of oral H1-antihistamines from 2016 to 2020 in 10 European countries with Google Trends data on the relative volume of search for these antihistamines.

5 different oral H1-antihistamines were selected for each country and the investigators perceived a perfect agreement on the order of antihistamine use in MASK-air® and Google Trends in France, Germany, Sweden, and the United Kingdom. Different levels of agreement were observed in the remaining countries (Italy, Poland, Portugal, Spain, Switzerland, Netherlands). Sales data-wise, there was a consistency in data from Google Trends and MASK-air® in France, Germany and the United Kingdom.

In conclusion, these results suggest that the mobile app MASK-air® data may have a common trend in relation to other real-world data, however, more studies are needed.

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May 14
Love0

Use of H-1 Antihistamine in Dermatology: More than Itch and Urticaria Control: A Systematic Review

By Selected articles

Chang-Yu Hsieh, Tsen-Fang Tsai

Dermatol Ther (Heidelb). 2021 Apr 12. doi: 10.1007/s13555-021-00524-w. Epub ahead of print.

H1-antihistamines are known for their effects in suppression of pruritus, especially in urticaria. However, there are many other dermatological uses of H1-antihistamines, such as scarring and nonscarring alopecia, acne, Darier disease, eosinophilic dermatoses, paraneoplastic dermatoses, psoriasis, lichen nitidus, radiation dermatitis, skin dysesthesia, and cutaneous malignancies.

This review includes a literature search on articles that report the use of H1-antihistamines.

It is the modulation of the immune system, inflammatory cytokines, and mast cells that explain why H1-antihistamines are effective in some autoimmune conditions, such as Kaposi sarcoma, melanoma, and alopecia areata. Some eosinophilic dermatosis may be relieved with the use of cetirizine and bilastine due to their effects on the chemotaxis of eosinophils. Hydroxyzine, together with GABA receptor agonists, may have an effect on cutaneous dysesthesia. A combination of antihistamines with isotretinoin helps control acne better, probably due to the inhibition of the production of sebum. The reversing vascular effect of histamine seems to be of interest for erythema, edema, and pain control in radiation dermatitis and erythromelalgia.

New properties of antihistamines have also been studied in vitro: antibacterial activity, antiangiogenesis, and antifibrosis.

H1-antihistamines may improve symptoms of some conditions when used alone or in combination with other treatments; however, this evidence is still limited. More studies are needed to assess the efficacy and dosage of H1-antihistamines in other dermatological conditions.

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May 27
Love3
skin microdyalisis

Chronic urticaria in the real-life clinical practice setting in the UK: results from the non-interventional multicentre AWARE study.

By Selected articles

Savic S, Leeman L, El-Shanawany T, Ellis R, Gach JE, Marinho S, Wahie S, Sargur R, Bewley AP, Nakonechna A, Randall R, Fragkas N, Somenzi O, Marsland A.

Clin Exp Dermatol. 2020 Apr 4. doi: 10.1111/ced.14230. [Epub ahead of print]

Chronic urticaria is a group of skin conditions that include chronic spontaneous urticaria and chronic inducible urticaria. Symptoms include itchy wheals and/or angioedema for a period longer than 6 weeks. The objective of this study was to provide information demonstrating the real-life burden of chronic urticaria in the UK.

The non-interventional AWARE study (A World-wide Antihistamine-Refractory chronic urticaria patient Evaluation) collected data from a representative sample of chronic urticaria patients worldwide. A subset of UK patients aged 18-75 diagnosed with H1-antihistamine-refractory chronic spontaneous urticaria was analysed.

Baseline analysis included 252 UK patients, mostly female (77,8%) with moderate-to-severe disease activity and a spontaneous component to their chronic urticaria. Comorbidities included depression/anxiety (24,6%), asthma (23,8%) and allergic rhinitis (12,7%). 57,9% of the patients had undergone a treatment. Their mean Dermatology Life Quality Index score was 9,5 with report of reduction in work productivity and activity. These patients referred a high need to use healthcare resources. Chronic spontaneous urticaria severity was linked to gender, obesity, anxiety and diagnosis.

Only 28,5% of UK patients completed all nine study visits, which limits analysis of long-term treatment patterns and disease impact. Chronic urticaria patients reported high rates of healthcare resource use and impairment in quality of life, work productivity and activity at baseline, which highlights the need to ensure appropriate management to optimise patient quality of life and reduce the socioeconomic burden of chronic urticaria in the UK.

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May 04
Love0
rinitis alérgica

Multidisciplinary Real-World Experience With Bilastine, a Second Generation Antihistamine

By Articles about Bilastine

Lynde CW, Sussman G, Dion PL, Guenther L, Hébert J, Rao J, Leek TV, Waserman S.

 

J Drugs Dermatol. 2020 Feb 1;19(2):145-154. doi: 10.36849/JDD.2020.4835.

Allergic conditions, such as seasonal allergic rhinitis, perennial allergic rhinitis (PAR), and urticaria (both acute and chronic) are frequently treated with H1-antihistamines. However, first-generation H1-antihistamines cause impairment and potentially interfere with restful sleep, cause hangovers or “morning after” effects, impair learning and memory, and reduce work efficiency. Second generation antihistamines, such as bilastine have shown to decrease allergy symptoms effectively without causing night-time sleep disturbances and related adverse events.

Bilastine is a prescription medicine. It is not derived from nor is it a metabolite of another antihistamine, has a rapid one-hour onset of action and provides sustained efficacy. Bilastine does not penetrate the brain, is scarcely metabolized and does not interact with cytochrome P450. For the treatment of allergic conditions in adults and children over 12 years of age, a daily oral dose of bilastine 20 mg is recommended.

This real world case project was developed to help optimize patient care and supported with evidence from the literature. It included patients between 9 and 76 years old with seasonal allergic rhinitis, perennial allergic rhinitis and chronic and acute urticaria as well as urticarial vasculitis and pruritus associated with inflammatory skin conditions.

The presented cases using bilastine showed positive outcomes for the patients, relieving symptoms with safety and good tolerance.

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