Cystic fibrosis (CF) is a genetic disease that results in dysfunction of the CF transmembrane conductance regulator (CFTR) protein, which is a chloride and bicarbonate channel expressed in the apical portion of epithelial cells of various organs. Dysfunction of that protein results in diverse clinical manifestations, primarily involving the respiratory and gastrointestinal systems, impairing quality of life and reducing life expectancy. Although CF is still an incurable pathology, the therapeutic and prognostic perspectives are now totally different and much more favorable. The purpose of these guidelines is to define evidence-based recommendations regarding the use of pharmacological agents in the treatment of the pulmonary symptoms of CF in Brazil. Questions in the Patients of interest, Intervention to be studied, Comparison of interventions, and Outcome of interest (PICO) format were employed to address aspects related to the use of modulators of this protein (ivacaftor, lumacaftor+ivacaftor, and tezacaftor+ivacaftor), use of dornase alfa, eradication therapy and chronic suppression of Pseudomonas aeruginosa, and eradication of methicillin-resistant Staphylococcus aureus and Burkholderia cepacia complex. To formulate the PICO questions, a group of Brazilian specialists was assembled and a systematic review was carried out on the themes, with meta-analysis when applicable. The results obtained were analyzed in terms of the strength of the evidence compiled, the recommendations being devised by employing the GRADE approach. We believe that these guidelines represent a major advance to be incorporated into the approach to patients with CF, mainly aiming to favor the management of the disease, and could become an auxiliary tool in the definition of public policies related to CF.

/pdf/brazilian-guidelines-for-the-pharmacological-treatment-of-e19smf8g.pdf

Brazilian guidelines for the pharmacological treatment of the pulmonary symptoms of cystic fibrosis. Official document of the Sociedade Brasileira de Pneumologia e Tisiologia (SBPT, Brazilian Thoracic Association)

Resume La lutte contre l'encombrement bronchique lors de la mucoviscidose est un des elements majeurs dans la prise en charge. Les bronchodilatateurs ont montre chez certains patients presentant une hyperreactivite bronchique, notamment pour les formes longue duree d'action, leur inter& dans l'amelioration de la qualite de vie et dans la limitation de la degradation des fonctions respiratoires. Parmi les fluidifiants, la dornase a limite significativement la deterioration progressive du VEMS. D'autres molecules sont a l'essai pour faciliter l'hydratation du mucus, via les canaux chlore et sodium.

Traitements inhales bronchodilatateurs et fluidifiants dans la mucoviscidose

Deux étapes significatives dans la prise en charge de la mucoviscidose: l'expérience française de la dornase alfa (Pulmozyme®) et l'impact du registre international

ABSTRACT Cystic fibrosis (CF) is a genetic disease that results in dysfunction of the CF transmembrane conductance regulator (CFTR) protein, which is a chloride and bicarbonate channel expressed in the apical portion of epithelial cells of various organs. Dysfunction of that protein results in diverse clinical manifestations, primarily involving the respiratory and gastrointestinal systems, impairing quality of life and reducing life expectancy. Although CF is still an incurable pathology, the therapeutic and prognostic perspectives are now totally different and much more favorable. The purpose of these guidelines is to define evidence-based recommendations regarding the use of pharmacological agents in the treatment of the pulmonary symptoms of CF in Brazil. Questions in the Patients of interest, Intervention to be studied, Comparison of interventions, and Outcome of interest (PICO) format were employed to address aspects related to the use of modulators of this protein (ivacaftor, lumacaftor+ivacaftor, and tezacaftor+ivacaftor), use of dornase alfa, eradication therapy and chronic suppression of Pseudomonas aeruginosa, and eradication of methicillin-resistant Staphylococcus aureus and Burkholderia cepacia complex. To formulate the PICO questions, a group of Brazilian specialists was assembled and a systematic review was carried out on the themes, with meta-analysis when applicable. The results obtained were analyzed in terms of the strength of the evidence compiled, the recommendations being devised by employing the GRADE approach. We believe that these guidelines represent a major advance to be incorporated into the approach to patients with CF, mainly aiming to favor the management of the disease, and could become an auxiliary tool in the definition of public policies related to CF.

https://jornaldepneumologia.com.br/export-pdf/3833/2023_49_2_3833_portugues.pdf

Resume Des 1994, nous avons debute la rhDNase chez tous les patients atteints de mucoviscidose âges de plus de 5 ans et ayant une CVF ≥ 40 % de la valeur theorique. Population et methodes Nous avons analyse retrospectivement les effets de la rhDNase au cours de 2 ans de traitement chez 69 enfants et adolescents. Les patients ( 35 garcons, 34 filles) ont recu une dose unique journaliere de 2,5 mg de rhDNase. Ils etaient âges initialement de 8,5 ans (5 a 16,4 ans). Les valeurs spirometriques (pourcentage de la valeur theorique) et le statut nutritionnel de base etaient les suivants: CVF = 84,8 ± 21,7, VEMS = 80,8 ± 22,2, DEP = 89,7 ± 34,2, DEM 25-75 = 71, 8 ± 32,8, Z score poids/taille = -0,41 ± 1,14, Z-score poids/âge = −0,48 ± 1,25, index de Quetelet = 15,4 ± 1,8, ration calorique = 107 ± 25 % des apports journaliers recommandes. Les donnees spirometriques et nutritionnelles ont ete analysees apres 1, 3, 6, 12, 18 et 24 mois de traitement et comparees aux valeurs de base (resultats spirometriques exprimes en pourcentage des valeurs de base moyennes). Le score de Shwachman-Kulczycki etait de 87 ± 9 avant le traitement et a ete releve 24 mois plus tard. Resultats Une amelioration de la CVF (+ 10,7 %, p p p ≤ 0,01 ). Ceci a ete note en particulier chez les enfants âges de 5 a 10 ans, chez les garcons et chez les patients dont la CVF de base etait e ( p e mois ( p ≤ 0,02), essentiellement chez les filles. Les Z scores poids/âge et poids/taille se sont ameliores respectivement pendant les 3 premiers mois et apres 2 ans de traitement. Le score de Shwachman-Kulczycki est reste stable. Conclusion La rhDNase ameliore donc la fonction respiratoire et le statut nutritionnel des jeunes patients atteints de mucoviscidose et la reponse au traitement peut etre evaluee des les 3 premiers mois.

Effets de la rhdnase sur la fonction respiratoire et le statut nutritionnel de l'enfant et de l'adolescent atteints de mucoviscidose

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Effets de la rhdnase sur la fonction respiratoire et le statut nutritionnel de l'enfant et de l'adolescent atteints de mucoviscidose