Observational studyRespiratory research2026
Increased high sensitivity C-reactive protein in more severe wheeze/asthma phenotypes in child- and adulthood in ALLIANCE.
Observational study in Respiratory research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
The All Age Asthma Cohort (ALLIANCE) of the German Center for Lung Research (DZL), Adult Arm
The All Age Asthma Cohort (ALLIANCE) of the German Center for Lung Research (DZL), Pediatric Arm
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Authors and funding
29 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe relevance of high-sensitivity C-reactive protein (hsCRP), a marker of low-grade systemic inflammation, remains unclear with regard to its association with severity and clinical outcomes in wheeze/asthma. We aimed to assess the role of hsCRP across different phenotypes and severity levels.
methodsWe studied children with preschool wheeze (≥ 2 episodes), and patients with GINA-defined asthma (school-age/adult) compared with healthy controls (HCs) in the well-characterized ALLIANCE (All Age Asthma Cohort) study. HsCRP was measured (AU5800®-CRP-Latex test) in 944 study participants (pediatric: n = 728; adult: n = 216) at baseline. Age-stratified analyses (age groups 0-5, 6-18, ≥ 18 years) of standardized log
resultsAdult patients with asthma showed higher hsCRP than HCs (OR 2.22, 95% CI 1.56-3.24). Across all ages, hsCRP increased with clinical severity of wheeze/asthma. The ASSESS score correlated positively with hsCRP in patients aged ≥ 6 years (R = 0.19, p = 0.007). hsCRP was increased in school-age asthmatics with prior exacerbations (OR 1.37, 95% CI 1.01-1.87), and in adult asthmatics with impaired lung function (R = 0.2, p = 0.013). Inhaled corticosteroid use was associated with lower hsCRP in preschool wheezers (OR 0.66, 95% CI 0.50-0.85) but higher levels in adults (OR 1.99, 95% CI 1.02-4.09).
conclusionsHsCRP was increased in adult asthmatics compared to HCs and was associated with several severity-related clinical characteristics. ICS use was associated with higher hsCRP levels in adults, potentially reflecting greater disease severity, whereas ICS use in preschool wheezers was associated with lower hsCRP levels. These age-dependent effects may mirror varying disease courses across the lifespan and progression of asthma. The association of hsCRP with asthma severity in child- and adulthood may indicate its potential relevance for the course of disease and monitoring clinical outcomes. Future longitudinal studies are needed to assess, whether hsCRP may support therapy monitoring.
trial registrationClinicalTrials.gov; Pediatric arm: NCT02496468, Registration date: 03 July 2015; Adult arm: NCT02419274, Registration date: 14 April 2015.
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