Saturday, April 7, 2018

Emerging biological therapies for treating eosinophilic COPD

In Pulmonary Pharmacology & Therapeutics was published meta-analysis by great Italian team on hot topic Emerging biological therapies for treating chronic obstructive pulmonary disease: A pairwise and network meta-analysis.
Inflammation in COPD is often corticosteroid resistant and, thus, alternative anti-inflammatory approaches are needed. Since it is still not clear whether blocking specific pro-inflammatory factors may provide clinical benefit in COPD, we have performed a meta-analysis to quantify the impact of monoclonal antibodies (mABs) targeting the cytokine/chemokine-mediated inflammation in COPD.
https://www.sciencedirect.com/science/article/pii/S1094553918300579
A pairwise and network meta-analyses were performed by extracting data from randomized clinical trials on COPD concerning the impact of mABs vs. placebo on the risk of exacerbation, forced expiratory volume in 1 s (FEV1), and St. George's Respiratory Questionnaire (SGRQ).
Data on the interleukin (IL)-1β antagonist canakinumab, IL-1R1 antagonist MEDI8986, IL-5 antagonist mepolizumab, IL-5R antagonist benralizumab, IL-8 antagonist ABX-IL8, and TNF-α antagonist infliximab were found. Overall, mAB therapy had a moderate impact on the risk exacerbation, but not on FEV1 and SGRQ. The pairwise meta-analysis performed in eosinophilic patients, and the network approach, indicated that mepolizumab elicited a beneficial effect against the risk of exacerbation, whereas benralizumab was more effective in improving both FEV1 and SGRQ.
This study demonstrates that targeting the pathway activated by IL-5 may have a beneficial impact in eosinophilic COPD patients.
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