Lebrikizumab treatment in adults with asthma

N Engl J Med. 2011 Sep 22;365(12):1088-98. doi: 10.1056/NEJMoa1106469. Epub 2011 Aug 3.

Abstract

Background: Many patients with asthma have uncontrolled disease despite treatment with inhaled glucocorticoids. One potential cause of the variability in response to treatment is heterogeneity in the role of interleukin-13 expression in the clinical asthma phenotype. We hypothesized that anti-interleukin-13 therapy would benefit patients with asthma who had a pretreatment profile consistent with interleukin-13 activity.

Methods: We conducted a randomized, double-blind, placebo-controlled study of lebrikizumab, a monoclonal antibody to interleukin-13, in 219 adults who had asthma that was inadequately controlled despite inhaled glucocorticoid therapy. The primary efficacy outcome was the relative change in prebronchodilator forced expiratory volume in 1 second (FEV(1)) from baseline to week 12. Among the secondary outcomes was the rate of asthma exacerbations through 24 weeks. Patient subgroups were prespecified according to baseline type 2 helper T-cell (Th2) status (assessed on the basis of total IgE level and blood eosinophil count) and serum periostin level.

Results: At baseline, patients had a mean FEV(1) that was 65% of the predicted value and were taking a mean dose of inhaled glucocorticoids of 580 μg per day; 80% were also taking a long-acting beta-agonist. At week 12, the mean increase in FEV(1) was 5.5 percentage points higher in the lebrikizumab group than in the placebo group (P = 0.02). Among patients in the high-periostin subgroup, the increase from baseline FEV(1) was 8.2 percentage points higher in the lebrikizumab group than in the placebo group (P = 0.03). Among patients in the low-periostin subgroup, the increase from baseline FEV(1) was 1.6 percentage points higher in the lebrikizumab group than in the placebo group (P = 0.61). Musculoskeletal side effects were more common with lebrikizumab than with placebo (13.2% vs. 5.4%, P = 0.045).

Conclusions: Lebrikizumab treatment was associated with improved lung function. Patients with high pretreatment levels of serum periostin had greater improvement in lung function with lebrikizumab than did patients with low periostin levels. (Funded by Genentech; ClinicalTrials.gov number, NCT00930163 .).

Publication types

  • Multicenter Study
  • Randomized Controlled Trial
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Antibodies, Monoclonal / adverse effects
  • Antibodies, Monoclonal / pharmacology
  • Antibodies, Monoclonal / therapeutic use*
  • Asthma / drug therapy*
  • Asthma / immunology
  • Asthma / physiopathology
  • Bronchodilator Agents / therapeutic use
  • Cell Adhesion Molecules / blood
  • Double-Blind Method
  • Drug Therapy, Combination
  • Female
  • Forced Expiratory Volume / drug effects
  • Glucocorticoids / therapeutic use
  • Humans
  • Interleukin-13 / antagonists & inhibitors*
  • Interleukin-13 / immunology
  • Male

Substances

  • Antibodies, Monoclonal
  • Bronchodilator Agents
  • Cell Adhesion Molecules
  • Glucocorticoids
  • Interleukin-13
  • POSTN protein, human
  • lebrikizumab

Associated data

  • ClinicalTrials.gov/NCT00930163