Revefenacin Peak Inspiratory Flow Rate (PIFR) Study in COPD

Inclusion Criteria:

- Subject is a male or female subject 40 years of age or older with a diagnosis of COPD.

- Subject has a current or past cigarette smoking history (or equivalent for cigar or
pipe smoking history) of at least 10 pack-years.

- Subject is willing and able to provide signed and dated written informed consent to
participate prior to initiation of any study related procedures.

Exclusion Criteria:

- Subject has a concurrent disease or condition that, in the opinion of the
investigator, would interfere with continued study participation or confound the
evaluation of safety and tolerability of the study drug.

- Subject has a history of reactions or hypersensitivity to inhaled or nebulized
anticholinergics.

- Subject suffers from any medical condition that would preclude the use of inhaled
anticholinergics, including narrow-angle glaucoma, symptomatic benign prostatic
hyperplasia, bladder neck obstruction, or urinary retention.