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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Atopic dermatitis is a common chronic inflammatory cutaneous disease with a great impact on the quality of life&#46; It affects nearly 10&#8211;30&#37; of children and 2&#8211;10&#37; of adults&#46;<a class="elsevierStyleCrossRef" href="#bib0055"><span class="elsevierStyleSup">1</span></a> Dupilumab was the first approved biologic therapy for this disease and is now approved for different age groups&#44; including children as young as 6 years old with severe AD&#46; It is a fully human monoclonal antibody that targets the alpha subunit of the interleukin 4 receptor &#40;IL-4R&#945;&#41;&#44; thus modulating the signaling of both IL-4 and IL-13&#46; This recent drug is considered as being immunomodulatory and not immunosuppressant because of its mechanism of action&#46; In fact&#44; the clinical trials with dupilumab&#44; showed no evidence of an increase in overall infection rates and evidence of no increased risk of serious or opportunistic infections in dupilumab-treated patients&#46;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">2</span></a> Real world evidence of the safe use of dupilumab in atopic dermatitis patients with viral infections such as HIV and hepatitis B has emerged&#44; but it is important to gather data in other infections such as hepatitis C infection&#46;<a class="elsevierStyleCrossRefs" href="#bib0065"><span class="elsevierStyleSup">3&#8211;6</span></a> Despite the drug not being formally contraindicated for AD patients with HCV infection under anti-viral treatment&#44; there&#39;s no data regarding the use of dupilumab in this special population from the clinical trials&#44; because having an active chronic or acute infections including HIV and hepatitis B and C was an exclusion criteria&#46;<a class="elsevierStyleCrossRef" href="#bib0085"><span class="elsevierStyleSup">7</span></a> To date&#44; no data has been published regarding the use of dupilumab in the treatment of atopic dermatitis patients with hepatitis C&#46; The author reports a case of an atopic dermatitis patients with active hepatitis C&#44; successfully and safely treated with dupilumab&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">A 47-years-old male patient was observed in our consultation due to severe atopic dermatitis since the age of 32&#46; He had a prior medical history of active hepatitis C and was being monitored in the Gastroenterology department&#46; Clinically&#44; the patient presented with extensive and lichenified lesions&#44; with a BSA of around 60&#37; and an EASI score of 40&#46;9 &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>a&#8211;c&#41;&#46; He reported a DLQI score of 27 and a pruritus NRS of 9&#46; The patient started treatment with dupilumab&#44; with significant overall improvement of the atopic dermatitis&#44; reaching an EASI-90 response by month 6&#44; with a DLQI score of 3 and pruritus NRS of 0 &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>d&#8211;f&#41;&#46; During the treatment&#44; there was no worsening of the hepatitis &#40;no changes in liver enzymes or viral load&#41;&#44; with the patient undergoing hepatitis C treatment with Sofosbuvir and Ledipasvir and achieving clinical remission &#40;normalization of liver enzymes and viral load of 0&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">In patients with systemic infections such as HIV&#47;AIDS or hepatitis C&#44; once topical treatments and phototherapy fail&#44; systemic treatment options for these patients are extremely scarce&#46; Dupilumab is an effective and safe treatment for atopic dermatitis&#46; Due to the mechanism of action &#40;inhibition of the T-helper 2 pathway&#41;&#44; it preserves the ability of the immune system to effectively react to viral infections &#40;through T-helper 1 cells&#41;&#44; even decreasing the frequency of some such as herpetic infections&#46; It is also worth to mention that some investigational works suggest that IL-4 is overexpressed in liver grafts in a context of severe recurrent hepatitis C&#44; which may indicate that this interleukin has a potential role in the accelerated course of fibrogenesis during recurrent HCV infection&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">8</span></a> Studies have also shown that Th2 cytokines have a role in tissue fibrosis involving other organs such as the lung and the skin&#46; Some data suggest that these profibrotic actions of IL-4 &#40;and IL-13&#41; occur via transforming growth factor-beta &#40;TGF-&#946;&#41; pathway and periostin production and secretion&#46;<a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">9</span></a> So theoretically&#44; dupilumab may be safely used in patients with systemic viral infections such as hepatitis C as we&#8217;ve seen with hepatitis B infection cases&#44; and may have a beneficial effect in patients with a degree of liver fibrosis&#46; Most importantly&#44; there&#39;s a recent publication by the International Eczema Council &#40;IEC&#41; that ranked dupilumab as first-line in the preferred systemic treatments for adults with AD who have a chronic hepatitis B and&#47;or C viral infection&#46;<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">10</span></a></p><p id="par0020" class="elsevierStylePara elsevierViewall">In this case&#44; not only did the hepatitis not worsen&#44; but the patient was able to undergo treatment and cure the infection while under treatment with dupilumab&#46; To the best of our knowledge&#44; this is the first reported case of an atopic dermatitis patient with active hepatitis C infection treated with dupilumab&#46; Given the experience of this case and knowing the results of the IEC survey&#44; in which dupilumab was selected as first-choice for these situations&#44; the decision to start dupilumab seems to be clearer and more obvious today&#46; However&#44; more data is required regarding the use of dupilumab for the treatment of atopic dermatitis patients with systemic infections&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Conflict of interest</span><p id="par0025" class="elsevierStylePara elsevierViewall">F&#46; Mota has received honoraria for acting as a consultant and&#47;or as a speaker for Galderma&#44; Janssen&#44; LEO Pharma&#44; Lilly&#44; Novartis&#44; Pfizer and Sanofi Genzyme&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">He has also worked as a co-investigator in clinical trials supported by Amgen and Novartis&#46;</p></span></span>"
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Case and Research Letter
Atopic Dermatitis Patient With Hepatitis C Treated With Dupilumab—A Case Report
Paciente con dermatitis atópica y hepatitis C tratado con dupilumab – informe de un caso
F. Mota
Photobiology and Cutaneous Immunology Unit, Hospital Senhora da Oliveira, Guimarães, Portugal
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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Atopic dermatitis is a common chronic inflammatory cutaneous disease with a great impact on the quality of life&#46; It affects nearly 10&#8211;30&#37; of children and 2&#8211;10&#37; of adults&#46;<a class="elsevierStyleCrossRef" href="#bib0055"><span class="elsevierStyleSup">1</span></a> Dupilumab was the first approved biologic therapy for this disease and is now approved for different age groups&#44; including children as young as 6 years old with severe AD&#46; It is a fully human monoclonal antibody that targets the alpha subunit of the interleukin 4 receptor &#40;IL-4R&#945;&#41;&#44; thus modulating the signaling of both IL-4 and IL-13&#46; This recent drug is considered as being immunomodulatory and not immunosuppressant because of its mechanism of action&#46; In fact&#44; the clinical trials with dupilumab&#44; showed no evidence of an increase in overall infection rates and evidence of no increased risk of serious or opportunistic infections in dupilumab-treated patients&#46;<a class="elsevierStyleCrossRef" href="#bib0060"><span class="elsevierStyleSup">2</span></a> Real world evidence of the safe use of dupilumab in atopic dermatitis patients with viral infections such as HIV and hepatitis B has emerged&#44; but it is important to gather data in other infections such as hepatitis C infection&#46;<a class="elsevierStyleCrossRefs" href="#bib0065"><span class="elsevierStyleSup">3&#8211;6</span></a> Despite the drug not being formally contraindicated for AD patients with HCV infection under anti-viral treatment&#44; there&#39;s no data regarding the use of dupilumab in this special population from the clinical trials&#44; because having an active chronic or acute infections including HIV and hepatitis B and C was an exclusion criteria&#46;<a class="elsevierStyleCrossRef" href="#bib0085"><span class="elsevierStyleSup">7</span></a> To date&#44; no data has been published regarding the use of dupilumab in the treatment of atopic dermatitis patients with hepatitis C&#46; The author reports a case of an atopic dermatitis patients with active hepatitis C&#44; successfully and safely treated with dupilumab&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">A 47-years-old male patient was observed in our consultation due to severe atopic dermatitis since the age of 32&#46; He had a prior medical history of active hepatitis C and was being monitored in the Gastroenterology department&#46; Clinically&#44; the patient presented with extensive and lichenified lesions&#44; with a BSA of around 60&#37; and an EASI score of 40&#46;9 &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>a&#8211;c&#41;&#46; He reported a DLQI score of 27 and a pruritus NRS of 9&#46; The patient started treatment with dupilumab&#44; with significant overall improvement of the atopic dermatitis&#44; reaching an EASI-90 response by month 6&#44; with a DLQI score of 3 and pruritus NRS of 0 &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>d&#8211;f&#41;&#46; During the treatment&#44; there was no worsening of the hepatitis &#40;no changes in liver enzymes or viral load&#41;&#44; with the patient undergoing hepatitis C treatment with Sofosbuvir and Ledipasvir and achieving clinical remission &#40;normalization of liver enzymes and viral load of 0&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">In patients with systemic infections such as HIV&#47;AIDS or hepatitis C&#44; once topical treatments and phototherapy fail&#44; systemic treatment options for these patients are extremely scarce&#46; Dupilumab is an effective and safe treatment for atopic dermatitis&#46; Due to the mechanism of action &#40;inhibition of the T-helper 2 pathway&#41;&#44; it preserves the ability of the immune system to effectively react to viral infections &#40;through T-helper 1 cells&#41;&#44; even decreasing the frequency of some such as herpetic infections&#46; It is also worth to mention that some investigational works suggest that IL-4 is overexpressed in liver grafts in a context of severe recurrent hepatitis C&#44; which may indicate that this interleukin has a potential role in the accelerated course of fibrogenesis during recurrent HCV infection&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">8</span></a> Studies have also shown that Th2 cytokines have a role in tissue fibrosis involving other organs such as the lung and the skin&#46; Some data suggest that these profibrotic actions of IL-4 &#40;and IL-13&#41; occur via transforming growth factor-beta &#40;TGF-&#946;&#41; pathway and periostin production and secretion&#46;<a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">9</span></a> So theoretically&#44; dupilumab may be safely used in patients with systemic viral infections such as hepatitis C as we&#8217;ve seen with hepatitis B infection cases&#44; and may have a beneficial effect in patients with a degree of liver fibrosis&#46; Most importantly&#44; there&#39;s a recent publication by the International Eczema Council &#40;IEC&#41; that ranked dupilumab as first-line in the preferred systemic treatments for adults with AD who have a chronic hepatitis B and&#47;or C viral infection&#46;<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">10</span></a></p><p id="par0020" class="elsevierStylePara elsevierViewall">In this case&#44; not only did the hepatitis not worsen&#44; but the patient was able to undergo treatment and cure the infection while under treatment with dupilumab&#46; To the best of our knowledge&#44; this is the first reported case of an atopic dermatitis patient with active hepatitis C infection treated with dupilumab&#46; Given the experience of this case and knowing the results of the IEC survey&#44; in which dupilumab was selected as first-choice for these situations&#44; the decision to start dupilumab seems to be clearer and more obvious today&#46; However&#44; more data is required regarding the use of dupilumab for the treatment of atopic dermatitis patients with systemic infections&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Conflict of interest</span><p id="par0025" class="elsevierStylePara elsevierViewall">F&#46; Mota has received honoraria for acting as a consultant and&#47;or as a speaker for Galderma&#44; Janssen&#44; LEO Pharma&#44; Lilly&#44; Novartis&#44; Pfizer and Sanofi Genzyme&#46;</p><p id="par0030" class="elsevierStylePara elsevierViewall">He has also worked as a co-investigator in clinical trials supported by Amgen and Novartis&#46;</p></span></span>"
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