Safety and Efficacy Study of Sofpironium Bromide in Subjects With Axillary Hyperhidrosis (BBI-4000-CL-302)

Inclusion Criteria:

Male or female subject ≥ 9 years of age.
Diagnosis of primary axillary hyperhidrosis that meets the following criteria: (a) symptoms of hyperhidrosis for at least 6 months' duration, (b) HDSM-Ax of 3 - 4 and (c) a minimum GSP of 50 mg in each axilla with a combined total of at least 150 mg.
The ability to understand and follow all study-related procedures including study drug administration.
Sexually active female of childbearing potential (FOCBP)* must agree to periodic pregnancy testing and use a medically acceptable method of contraception while receiving protocol-assigned product.

Exclusion Criteria:

In the Investigators opinion, any skin or subcutaneous tissue conditions of the axilla(e).
Prior use of any prohibited medication(s) or procedure(s) within the specified timeframe for the treatment of axillary hyperhidrosis.
Anticholinergic agents used to treat conditions such as, but not limited to, hyperhidrosis, asthma, incontinence, gastrointestinal cramps, and muscular spasms by any route of administration.
Use of any cholinergic drug (e.g. bethanechol) within 28 days.
Known cause of hyperhidrosis or known history of a condition that may cause hyperhidrosis (i.e., hyperhidrosis secondary to any known cause such hyperthyroidism, diabetes mellitus, medications, etc.).
Subjects with unstable diabetes mellitus or thyroid disease, history of renal or hepatic impairment, malignancy glaucoma, intestinal obstructive or motility disease, obstructive uropathy, myasthenia gravis, BPH, neurological or psychiatric conditions, Sjögren's or Sicca syndrome, or cardiac abnormalities that may alter or exacerbate sweat production by the use of anticholinergics in the investigator's opinion.
Subjects with known hypersensitivity to glycopyrrolate, anticholinergics, or any of the components of the topical formulation.
Subject is pregnant, lactating or is planning to become pregnant during the study.