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Number of results: 7
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Abstract

Atopic dermatitis (AD) is the most frequent allergic disease in dogs. AD can be treated using allergenspecific immunotherapy as well as symptomatic antipruritic treatment including the use of lokivetmab - caninized anti-interleukine-31 antibody.

The aim of the study was to evaluate the effectiveness of lokivetmab over 12 weeks of treatment. Studies have been carried out in 89 dogs. In all affected animals, the severity of lesions was assessed using the CADESI 04 and the pruritus was assessed using the VAS.

After the first dose of lokivetmab, both CADESI 04 and VAS statistical decreased by 4 weeks from 40.48 to 20.31, and from 7.42 to 2.48, respectively (p = 0.0000001) maintained significantly decresed values during the whole treatment period (CADESI 04 15.64, 15.07 after 8 and 12 weeks, respectively, PVAS 2.03, 1.95 after 8 and 12 weeks, respectively).

Lokivetmab leads to a significant reduction of CADESI 04 and pruritus, within four weeks and maximum effect is achived after the second dose.

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Authors and Affiliations

M.P. Szczepanik
J. Popiel
A. Cekiera
D. Pomorska-Handwerker
J. Karaś-Tęcza
M. Ściskalska
K. Oczkowska
M. Taube
V. Olender
P. Parys
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Abstract

Studies on serum interleukin (IL)-31 levels in dogs with atopic dermatitis (AD) and their correlation with disease severity are limited. To the author’s knowledge, there are no studies that measured serum IL-31 in dogs treated with lokivetmab injections, a selective inhibitor of this key cytokine in pruritus. The aim of the study was to evaluate serum IL-31 levels in dogs treated with lokivetmab and correlate it with the severity of canine atopic dermatitis using the pruritus visual analog scale (pVAS) and canine atopic dermatitis extent and severity index (CADESI-04). Ten client-owned dogs diagnosed with AD received two injections of lokivetmab four weeks apart. Disease severity was assessed using the pVAS and CADESI-04 scores before and after both injections. In addition, canine serum IL-31 levels were measured at the same moments. Serum IL-31 was detected in all dogs in the study. There was a significant reduction in pVAS scores and serum IL-31 after administrations. However, there was no difference in CADESI-04 scores, and there was no significant correlation between CADESI-04 scores and serum IL-31 in dogs diagnosed with AD. Nonetheless, a significant positive correlation was observed between the pVAS scores and serum IL-31 levels with lokivetmab therapy, which reinforces the role of IL-31 in the pathogenesis of pruritus in dogs with AD. The data presented here provide further evidence that IL-31 is directly involved in pruritus pathogenesis in dogs with AD. In addition, blocking IL-31 has a significant antipruritic effect, but has no influence on skin lesion severity and extension.
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Authors and Affiliations

J.R. Calesso
1
V.S. Marques
1
O.V. de Carvalho
2
A.P. Costa-Val
1

  1. Department of Veterinary Clinical Sciences and Surgery, Federal University of Minas Gerais, 6627 Antonio Carlos Avenue, Belo Horizonte – Minas Gerais, 31270-901, Brazil
  2. TECSA Laboratories, Virology Department, 6226 Contorno Avenue, Belo Horizonte – Minas Gerais, 30110-042, Brazil
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Abstract

Probiotics and prebiotics are viable bacteria with beneficial effects on the host and components that selectively act on the beneficial commensal bacteria, respectively. The combined use of probiotics and prebiotics is termed synbiotics. Probiotic intake improves dysbiosis in the intestinal microbiota and can positively affect canine atopic dermatitis (CAD). However, clinical studies on improvements in CAD using synbiotics remain limited.
In this study, 15 dogs with CAD who received prednisolone, a synthetic glucocorticoid (GC) used in the treatment of CAD, for more than 90 days were continuously treated with Lactobacillus paracasei M-1 from fermented food as a probiotic, and trisaccharide kestose as a prebiotic, for 90 days to determine their synbiotic effects on CAD. The CAD symptoms were evaluated using the canine atopic dermatitis lesion index (CADLI) and pruritus visual analog scores (PVAS) at 30, 60 and 90 days after synbiotic administration. The total prednisolone use for 90 days pre- and post-administration was also evaluated.
Synbiotic administration significantly reduced the CADLI (pre: median, 28.0 [22.0-32.0]; 30 days: median, 20.0 [20.0−28.0]; 60 days: median, 20.0 [10.0−21.0]; 90 days: median, 12.0 [10.0-19.0]) and PVAS (pre: median, 6.0 [5.0-7.0]; 30 days: median, 3.0 [3.0-3.5]; 60 days: median, 3.0 [3.0-3.5]; 90 days: median, 2.0 [2.0-3.5]) scores, and reduced the total prednisone use over 90 days (pre: 112.0 [25-450] mg; post: 80.0 [18.-300.0] mg; p<0.001) in the 15 dogs. Thus, the synbiotic activity of L. paracasei M-1 and trisaccharide kestose can improve CAD.
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Bibliography

References:

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Chang YS, Trivedi MK, Jha A, Lin YF, Dimaano L, García-Romero MT (2016) Synbiotics for Prevention and Treatment of Atopic Dermati-tis: A Meta-analysis of Randomized Clinical Trials. JAMA Pediatr 70: 236-242.
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Authors and Affiliations

K. Kawano
1 2
K. Iyori
3
N. Kondo
2 4 5
S. Yamakawa
2 4 5
T. Fujii
6
K. Funasaka
2
Y. Hirooka
2 6
T. Tochio
6

  1. Tokyo Animal Allergy Center, Adachi-ku, Tokyo 123-0842, Japan
  2. Department of Gastroenterology and Hepatology, Fujita Health University, Toyoake, Aichi 470-1192, Japan
  3. Vet Derm Tokyo, Dermatological and Laboratory Service for Animals, Fujisawa, Kanagawa 252-0823, Japan
  4. Research and Development Division, Itochu Sugar Co., Ltd., Hekinan, Aichi 447-8506, Japan
  5. WELLNEO SUGAR Co., Ltd., Chuo-ku, Tokyo 103-8536, Japan
  6. Department of Medical Research on Prebiotics and Probiotics, Fujita Health University, Toyoake, Aichi 470-1192, Japan
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Abstract

Allergic skin diseases in cats are amongst the most prevalent dermatological conditions in this species. The objectives of this study were to evaluate different types of skin barrier measurements in healthy cats and cats with non-flea non-food hypersensitivity dermatitis (NFNFHD). 24 clinically healthy and 19 NFNFHD cats were included in this clinical trial. In each animal, the transepidermal water loss (TEWL) and skin hydration (SH) were assessed on six clipped body sites by VapoMeter SWL 4605 and Corneometer ®CM 825, respectively. Results of TEWL measurement were , significantly higher in one of the six examined body sites, namely on the lumbar area (p=0.0049). Furthermore, a statistically significant difference was found between the average TEWL values (p=0.019). Statistically notable differences were mea- sured at least in one certain body site for SH: in the groin (p=0.02), where the values in the affect- ed cats were lower than in the healthy individuals. These results may suggest that in NFNFHD cats transepidermal water loss is higher than in healthy cats. Skin hydration is, at least, in certain body sites, lower in atopic feline patients than in healthy individuals.

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Authors and Affiliations

M.P. Szczepanik
P.M. Wilkołek
Ł.R. Adamek
G. Kalisz
M. Gołyński
W. Sitkowski
I. Taszkun
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Abstract

Atopic dermatitis (AD) is a chronic, recurrent inflammatory dermatosis. The most characteristic symptoms of the disease include itch, eczematous eruptions and excessive dryness of the skin. Elderly patients with AD represent a poorly characterized population because the physiological ageing, possible comorbidity and polypharmacy modify the clinical presentation typically observed in the younger age groups. The aim of the study is to comprehensively assess the clinical characteristics of elderly patients (>60 years old) with AD. Data were collected from 26 AD patients treated in the Department of Derma-tology of the University Hospital in Krakow. Late-onset AD with generalized/prurigo lesions was the most predominant phenotype. Skin biopsy was required in 15 (58%) patients in the differential diagnosis process. Allergic rhinitis, a positive family history of atopy and xerosis were associated with a higher number of hospitalizations during the year prior to the last admission (p = 0.034, p = 0.046 and p = 0.036, respectively). Xerosis was more prevalent among subjects with polypharmacy (p = 0.046) and higher serum total IgE concentration (p = 0.048). AD in elderly patients is a new phenotype of the disease that requires careful differential diagnosis. Aged patients with an individual or family history of atopy, due to the increased incidence of severe exacerbations of AD, may benefit from the introduction of proactive therapy.
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Authors and Affiliations

Andrzej Kazimierz Jaworek
1
Przemysław Hałubiec
2
ORCID: ORCID
Natalia Kachnic
3
Alicja Podolska
3
Julia Radzikowska
3
Arletta Kozłowska
2
Anna Wojas-Pelc
1

  1. Department of Dermatology, Jagiellonian University Medical College, Kraków, Poland
  2. University Hospital, Kraków, Poland
  3. Student Scientific Group of Dermatology, Jagiellonian University Medical College, Kraków, Poland
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Abstract

Atopic dermatitis (AD) is the most common inflammatory skin disease. However, recent reports concerning the simple clinical aspects of treatment with topical glucocorticosteroids (TCS) and calcineurin inhibitors (TCI) are lacking. The objective of this study is providing an update on these characteristics of AD management. A group of 150 adults suffering from AD treated with TCS during last year was asked to fill an anonymous questionnaire. The course of topical treatment was analyzed in the context of the severity of symptoms and the knowledge of the patients about therapy. During the last year, the majority of patients (66%) were treated with class IV TCS; however, in the last two weeks, class I TCS was used the most frequently (35%). Only 11% were familiar with the concept of intermittent therapy and 4% used the fingertip unit (FTU). In total, 77% of them used TCI. Most of the patients used the same class of TCS permanently. Unfortunately, patients are unaware of simple approaches (like intermittent therapy or FTU) that increase both the effectiveness and safety of the treatment. Practicians should be aware of these problems to identify and eliminate them, primarily through the education of patients.
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Authors and Affiliations

Przemysław Hałubiec
1
ORCID: ORCID
Andrzej Kazimierz Jaworek
2
Anna Wojas-Pelc
2

  1. University Hospital, Kraków, Poland
  2. Department of Dermatology, Jagiellonian University Medical College, Kraków, Poland

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