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Sökning: L773:2213 2201 > Stockholms universitet

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1.
  • Syk, Jörgen, et al. (författare)
  • Anti-inflammatory Treatment of Atopic Asthma Guided by Exhaled Nitric Oxide : A Randomized, Controlled Trial
  • 2013
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier BV. - 0091-6749 .- 1097-6825 .- 2213-2198 .- 2213-2201. ; 1:6, s. 639-648
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundAtopic asthma is characterized by Th2 cytokine–driven inflammation of the airway mucosa, which is signaled by the fraction of exhaled nitric oxide (FENO).ObjectiveWe tested whether an FENO-guided anti-inflammatory treatment algorithm could improve asthma-related quality of life and asthma symptom control, and reduce exacerbations in atopic asthmatics within primary care.MethodsAltogether, 187 patients with asthma and who were nonsmokers (age range, 18-64 years) with perennial allergy and who were on regular inhaled corticosteroid treatment were recruited at 17 primary health care centers, randomly assigned to 2 groups and followed up for 1 year. For the controls (n = 88), FENO measurement was blinded to both operator and patient, and anti-inflammatory treatment was adjusted according to usual care. In the active group (n = 93), treatment was adjusted according to FENO. Questionnaires on asthma-related quality of life (Mini Asthma Quality of Life Questionnaire) and asthma control (Asthma Control Questionnaire) were completed, and asthma events were noted.ResultsThe Asthma Control Questionnaire score change over 1 year improved significantly more in the FENO-guided group (–0.17 [interquartile range {IQR}, −0.67 to 0.17] vs 0 [−0.33 to 0.50]; P = .045), whereas the Mini Asthma Quality of Life Questionnaire score did not (0.23 [IQR, 0.07-0.73] vs 0.07 [IQR, −0.20 to 0.80]; P = .197). The change in Asthma Control Questionnaire was clinically important in subpopulations with poor control at baseline (P = .03). Furthermore, the exacerbation rate (exacerbations/patient/y) was reduced by almost 50% in the FENO-guided group (0.22 [CI, 0.14-0.34] vs 0.41 [CI, 0.29-0.58]; P = .024). Mean overall inhaled corticosteroid use was similar in both groups (P = .95).ConclusionUse of FENO to guide anti-inflammatory treatment within primary care significantly reduced the exacerbation rate and improved asthma symptom control without increasing overall inhaled corticosteroid use.
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2.
  • Uhl, Carina, et al. (författare)
  • High Degree of Desensitization After 1 Year of Early-Life Peanut Oral Immunotherapy : Small Children Oral Immunotherapy (SmaChO) Randomized Controlled Trial
  • 2024
  • Ingår i: Journal of Allergy and Clinical Immunology. - 2213-2198 .- 2213-2201. ; 12:5, s. 1297-1305
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The prevalence of peanut allergy is about 2% and mostly lifelong. Studies of oral immunotherapy (OIT) with peanut (the daily oral intake of an initially low and then increasing dose of peanut) often show problematic side effects, but there are indications of better safety and effect in younger children compared with older children and adults.Objective: To determine the safety and effectiveness of peanut OIT with a slow up-dosing strategy and low maintenance dose in children aged 1 to 3 years who were allergic to peanut, through a 1-year interim analysis.Method: In a randomized controlled trial (2:1 ratio), 75 children, median age 31 months (interquartile range [IQR], 23-40 months) were assigned to receive peanut OIT (n = 50) or peanut avoidance (n = 25).Results: In the OIT and avoidance groups, 43 of 50 and 20 of 25 children, respectively, performed the 1-year open oral peanut challenge. A cumulative dose of 750 mg peanut protein after 1 year was tolerated by 72% (36 of 50 children) in the OIT group compared with 4% (1 of 25) in the avoidance group (P < .001). Median tolerated cumulative dose was 2,750 mg (IQR, 275-5,000 mg) peanut protein in the OIT group compared with 2.8 mg (IQR, 0.3-27.8 mg) in the avoidance group (P < .001). Of the doses administered at home during the first year of OIT, 1.4% resulted in adverse events and 79% were mild, and three doses of epinephrine were given at home to two individuals.Conclusion: In children aged 1 to 3 years, peanut OIT with the combination of slow up-dosing and low maintenance dose seems safe and effective after 1 year.
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