PMID- 24131304 OWN - NLM STAT- MEDLINE DCOM- 20140808 LR - 20211021 IS - 1365-2222 (Electronic) IS - 0954-7894 (Print) IS - 0954-7894 (Linking) VI - 44 IP - 1 DP - 2014 Jan TI - The effects of lebrikizumab in patients with mild asthma following whole lung allergen challenge. PG - 38-46 LID - 10.1111/cea.12220 [doi] AB - BACKGROUND: Interleukin 13 (IL13) is a T-helper type 2 (Th2) cytokine associated with inflammation and pathology in allergic diseases such as bronchial asthma. We have shown that treatment with lebrikizumab, an anti-IL13 monoclonal antibody, significantly improves prebronchodilator forced expiratory volume in 1 s (FEV(1)) in a subset of subjects with uncontrolled asthma. OBJECTIVE: To evaluate efficacy and safety of lebrikizumab in subjects with mild asthma who underwent bronchial allergen challenge. METHODS: Twenty-nine subjects were randomized 1 : 1-5 mg/kg lebrikizumab (n = 13) or placebo (n = 16) administered subcutaneously every 4 weeks over 12 weeks, a total of four doses. Primary efficacy outcome was late asthmatic response (LAR) at Week 13, defined as area under the curve of FEV1 measured 2-8 h following inhaled allergen challenge. Serum biomarkers were measured to verify IL13 pathway inhibition and identify patients with an increased response to lebrikizumab. RESULTS: At Week 13, the LAR in lebrikizumab subjects was reduced by 48% compared with placebo subjects, although this was not statistically significant (95% confidence interval, -19%, 90%). Exploratory analysis indicated that lebrikizumab-treated subjects with elevated baseline levels of peripheral blood eosinophils, serum IgE, or periostin exhibited a greater reduction in LAR compared with subjects with lower baseline levels of these biomarkers. Lebrikizumab exerted systemic effects on markers of Th2 inflammation, reducing serum immunoglobulin E (IgE), chemokine ligands 13 and 17 by approximately 25% (P < 0.01). Lebrikizumab was well tolerated. CONCLUSION AND CLINICAL RELEVANCE: Lebrikizumab reduced the LAR in subjects with mild asthma. Clinical trial number NCT00781443. CI - (c) 2013 John Wiley & Sons Ltd. FAU - Scheerens, H AU - Scheerens H AD - Genentech, South San Francisco, CA, USA. FAU - Arron, J R AU - Arron JR FAU - Zheng, Y AU - Zheng Y FAU - Putnam, W S AU - Putnam WS FAU - Erickson, R W AU - Erickson RW FAU - Choy, D F AU - Choy DF FAU - Harris, J M AU - Harris JM FAU - Lee, J AU - Lee J FAU - Jarjour, N N AU - Jarjour NN FAU - Matthews, J G AU - Matthews JG LA - eng SI - ClinicalTrials.gov/NCT00781443 PT - Clinical Trial, Phase II PT - Journal Article PT - Multicenter Study PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't PL - England TA - Clin Exp Allergy JT - Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology JID - 8906443 RN - 0 (Allergens) RN - 0 (Anti-Asthmatic Agents) RN - 0 (Antibodies, Monoclonal) RN - 0 (Biomarkers) RN - 0 (Interleukin-13) RN - U9JLP7V031 (lebrikizumab) SB - IM CIN - Clin Exp Allergy. 2014 Jan;44(1):2-5. PMID: 24355015 MH - Adult MH - Allergens/*immunology MH - Anti-Asthmatic Agents/adverse effects/pharmacology/*therapeutic use MH - Antibodies, Monoclonal/adverse effects/pharmacology/*therapeutic use MH - Asthma/blood/*drug therapy/*immunology MH - Biomarkers/blood MH - Bronchial Provocation Tests MH - Female MH - Forced Expiratory Volume/drug effects MH - Humans MH - Interleukin-13 MH - Lung/immunology/physiopathology MH - Male MH - Middle Aged MH - Th2 Cells/immunology/metabolism MH - Treatment Outcome MH - Young Adult PMC - PMC4204278 OTO - NOTNLM OT - IL13 OT - Th2 inflammation OT - allergen challenge OT - asthma OT - biomarkers OT - lebrikizumab EDAT- 2013/10/18 06:00 MHDA- 2014/08/13 06:00 CRDT- 2013/10/18 06:00 PHST- 2012/10/17 00:00 [received] PHST- 2013/10/07 00:00 [revised] PHST- 2013/10/10 00:00 [accepted] PHST- 2013/10/18 06:00 [entrez] PHST- 2013/10/18 06:00 [pubmed] PHST- 2014/08/13 06:00 [medline] AID - 10.1111/cea.12220 [doi] PST - ppublish SO - Clin Exp Allergy. 2014 Jan;44(1):38-46. doi: 10.1111/cea.12220.