Observational studyBMC pulmonary medicine2025
Comparison of clinical outcome of COPD with asthma-like feature with different inhalation therapies: a real-world study in the prospective RealDTC cohort.
Observational study in BMC pulmonary medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundMany studies explored the features of Chronic obstructive pulmonary disease (COPD) with asthma-like features. We aimed to compare the exacerbation and mortality during one-year follow-up among COPD patients with asthma-like features with different inhalation therapies in the Chinese population (compare Without-inhaled corticosteroids(ICS)and With-ICS inhalation therapy, and then ICS + long-acting β-2-agonist(LABA) and ICS + LABA + long-acting muscarinic antagonists (LAMA).
methodsThis real-world observational study was conducted in the RealDTC cohort (ChiCTR-POC-17010431, Trial Regisrtation Date: 2017.01.14). COPD patients with asthma-like features in China from July 1, 2017, to June 31 2022 were recruited into the study and followed-up for 12 months. The Without-ICS inhalation therapy cohort included patients with LAMA or LABA + LAMA therapy, the With-ICS inhalation therapy cohort included patients with ICS + LABA or ICS + LABA + LAMA therapy.
resultsOf the 2735 eligible participants, the With-ICS inhalation therapy cohort was less likely to experience moderate-to-severe exacerbation and severe exacerbation during follow-up than the Without-ICS inhalation therapy cohort after PSM in multivariate analysis, but not death. The ICS + LABA + LAMA group had a lower risk of moderate-to-severe and frequent exacerbations than the ICS + LABA group after PSM. In addition, patients with CAT ≥ 10, or with previous exacerbation history, or with GOLD II and GOLD III + IV grade, receiving ICS + LABA + LAMA had a decreased risk of exacerbation compared to ICS + LABA.
conclusionsCOPD patients with asthma-like features with With-ICS inhalation therapy based on bronchodilators were less likely to experience future exacerbations than those Without-ICS inhalation therapy, but not death. In addition, ICS + LABA + LAMA therapy decreased the risk of exacerbation compared to ICS + LABA therapy during follow-up, especially in patients with CAT ≥ 10, or with previous exacerbation history, or with GOLD II and GOLD III + IV grade.
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