<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2448-9190</journal-id>
<journal-title><![CDATA[Revista alergia México]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. alerg. Méx.]]></abbrev-journal-title>
<issn>2448-9190</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Inmunología Clínica y Alergia A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-91902018000100041</article-id>
<article-id pub-id-type="doi">10.29262/ram.v65i1.322</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Intradermal immunotherapy with low-dose house dust mite allergens in patients with allergic rhinitis: A proof-of-concept study]]></article-title>
<article-title xml:lang="es"><![CDATA[Inmunoterapia intradérmica con alérgenos de ácaros a bajas dosis en pacientes con rinitis alérgica: un estudio conceptual]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vieira-Hernández]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Capriles-Hulett]]></surname>
<given-names><![CDATA[Arnaldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A4"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Borges]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fabiano]]></surname>
<given-names><![CDATA[Fabiola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Albarrán-Barrios]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Municipal de Caraballeda  ]]></institution>
<addr-line><![CDATA[Maiquetia ]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital San Juan de Dios  ]]></institution>
<addr-line><![CDATA[ Caracas]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Clínica El Ávila  ]]></institution>
<addr-line><![CDATA[ Caracas]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro Médico de Caracas  ]]></institution>
<addr-line><![CDATA[Caracas ]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Centro Médico Docente La Trinidad  ]]></institution>
<addr-line><![CDATA[Caracas ]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Caracas  ]]></institution>
<addr-line><![CDATA[Caracas ]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,aff7  ]]></institution>
<addr-line><![CDATA[ Barquisimeto]]></addr-line>
<country>Venezuela</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2018</year>
</pub-date>
<volume>65</volume>
<numero>1</numero>
<fpage>41</fpage>
<lpage>51</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-91902018000100041&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-91902018000100041&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-91902018000100041&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background:  High-dose aqueous subcutaneous immunotherapy is a validated and effective administration route for house dust mite and pollen allergens.  Objective:  A proof-of-concept study using intradermal immunotherapy (IDIT) with low-dose house dust mite allergens (Dermatophagoides pteronyssinnus/Dermatophagoides farinae [Dp/Df] and Blomia tropicalis [Bt]) was carried out in children with allergic rhinitis symptomatic upon exposure to house dust.  Methods:  Eight immunotherapy-naïve patients with positive prick skin tests and specific serum IgE to a Dp/Df mixture and to Bt were weekly administered 0.05 mL of an IDIT consisting of a phenolyzed albumin-saline preparation containing low-dose dust mites (8.3 AU [5 ng] of Dp/Df and 2.5 DBU of Bt), for 3 months. Nasal (Total Nasal Symptom Score) and facial symptoms (Visual Analog Scale) were recorded 2 weeks prior to treatment and once weekly during its course. Serial dilutions skin prick tests (1/100-1/1.000.000) and serum allergen-specific IgG4 determinations were performed at baseline and at treatment conclusion.  Results: Values on the scales suggested clinical improvement. There was a significant decrease in serial dilutions skin prick tests&#8217; wheal diameters, as well as an increase in serum IgG4 values at treatment completion. IDIT was well tolerated.  Conclusion:  If the present results are confirmed by further studies, allergen-specific immunotherapy wider use could be promoted.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes:  La inmunoterapia subcutánea acuosa a altas dosis es una ruta validada y efectiva de administración de alérgenos para el ácaro del polvo doméstico y alergias al polen.  Objetivos: Estudio de definición conceptual empleando inmunoterapia intradérmica (ITID) con alérgenos de ácaros (Dermatophagoides pteronyssinus/Dermatophagoides farinae [Dp/Df] y Blomia tropicalis [Bt]) a bajas dosis; se llevó a cabo en niños con rinitis alérgica sintomáticos a la exposición de polvo de casa.  Métodos: A ocho pacientes sin uso previo de inmunoterapia, con pruebas de punción cutánea positivas e IgE sérica específica a una mezcla de Dp/Df y Bt, se les administraron por tres meses 0.05 mL de ITID semanalmente, provenientes de una preparación fenolizada albúmino-salina y contentiva de bajas dosis de ácaros (8.3 AU= 5 ng de Dp/Df y 2.5 DBU de Bt). Los síntomas nasales (Total Nasal Symptom Score) y los faciales (Escala Análoga Visual) fueron registrados dos semanas antes del tratamiento y en el transcurso una vez a la semana. Al comienzo y al final se realizaron pruebas cutáneas diluidas y seriadas (1/100-1/1.000.000) y determinaciones de IgG4 en el suero para los alérgenos.  Resultados: Los valores de las escalas sugirieron mejoría clínica. Existió disminución significativa de los diámetros de las pápulas de las pruebas diluidas y seriadas, así como aumento de los valores de la IgG4 sérica al final del tratamiento. La ITID fue bien tolerada.  Conclusión: Si estudios ulteriores confirman los presentes hallazgos, se podría promover una mayor utilización de la inmunoterapia alérgeno-específica.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Rinitis alérgica]]></kwd>
<kwd lng="es"><![CDATA[Blomia tropicalis]]></kwd>
<kwd lng="es"><![CDATA[Dermatophagoides farinae]]></kwd>
<kwd lng="es"><![CDATA[Dermatophagoides pteronyssinus]]></kwd>
<kwd lng="es"><![CDATA[Inmunoterapia intradérmica]]></kwd>
<kwd lng="es"><![CDATA[Ácaros]]></kwd>
<kwd lng="en"><![CDATA[Allergic rhinitis]]></kwd>
<kwd lng="en"><![CDATA[Blomia tropicalis]]></kwd>
<kwd lng="en"><![CDATA[Dermatophagoides farinae]]></kwd>
<kwd lng="en"><![CDATA[Dermatophagoides pteronyssinnus]]></kwd>
<kwd lng="en"><![CDATA[Intradermal immunotherapy]]></kwd>
<kwd lng="en"><![CDATA[House dust mites]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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