Characterizing Matrix Metalloproteinase-12 (MMP12) in Sputum

ConditionEmphysema
Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age40-85
SponsorMcMaster University

About this trial

The hypothesis is that in patients with emphysema, a high MMP12 sputum and/or blood level correlates with airspace enlargement and with increased sputum Th2 immune biomarkers.

Eligibility criteria

Qualifiers

≥40 years of age

Current or ex-smokers with a >10 pack year smoking history

Have a post-bronchodilator forced expired volume in 1 second (FEV1)/forced expired vital capacity (FVC) ratio of <70% and a post-bronchodilator FEV1 value from ≥30% predicted (GOLD 1, 2 and 3), (Global Initiative for Obstructive Lung disease)

Have a radiologist confirmed pulmonary emphysema diagnosis based on CT

Disqualifiers

Patients with other non-COPD airway diseases

Patients with very severe COPD (FEV1<30% predicted)

Patients with an intercurrent exacerbation

Patients with life expectancy less than 3 months

Trial design

Treatments tested in this trial

  • Hyperpolarized 129Xe (Xenon) diffusion-weighted MRI

Treatment groups

45 Participants
are divided into 3 treatment groups

Sponsors and collaborators

McMaster University

Lead sponsor

Foresee Pharmaceuticals Co., Ltd.

Collaborator