Pulmatrix Receives IND Approval for Pulmazole Phase 2 Clinical Study

LEXINGTON, Mass., Feb. 7, 2019 /PRNewswire/ -- Pulmatrix, Inc. (NASDAQ: PULM), a clinical stage biopharmaceutical company focused on developing novel inhaled therapeutics to serve unmet needs in respiratory disease, announced today that the US Food and Drug Administration (the "FDA") completed its review of our Investigational New Drug (IND) Application  and notified the Company that we are authorized to initiate a Phase 2 clinical investigation for Pulmazole (PUR1900) – an inhaled iSPERSE^TM formulation of the anti-fungal drug itraconazole for the treatment of allergic bronchopulmonary aspergillosis (ABPA) in patients with asthma.  

With the IND effective, the Company plans to initiate a study in the first half of 2019 entitled: "A Randomized, Double-Blind, Multicenter, Placebo-Controlled, Phase 2 Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of Itraconazole Administered as a Dry Powder for Inhalation (PUR1900) in Adult Asthmatic Patients With Allergic Bronchopulmonary Aspergillosis".  Enrolled subjects will be randomly assigned (1:1:1:1) into 4 arms of 16 subjects each (n=64 total) and will receive 10 mg, 20 mg, or 35 mg of PUR1900 or placebo, administered via once daily dry powder inhalation daily for 28 days.  The primary objective of the study is to evaluate the safety and tolerability of multiple-dose administration of PUR1900 given to adult asthmatic subjects with ABPA.  Secondary objectives include characterizing the pharmacokinetics of multiple dose administration of inhaled PUR1900 in plasma and sputum, as well as evaluating the effect of PUR1900 on relevant biomarkers of inflammation, pulmonary function (FEV₁), asthma symptoms, and aspergillus burden in sputum.  Top line data is expected in the second quarter of 2020.

"We are very pleased that the FDA review of the IND is complete allowing us to proceed and this important regulatory milestone reinforces Pulmatrix's intention to bring an improved novel therapeutic option to patients suffering from ABPA.  This is a critical step in the progression of Pulmazole to bring the product to patients in the US," said Robert Clarke, PhD, Pulmatrix CEO.   

About ABPA
ABPA is a disease that occurs most often in patients with underlying asthma or cystic fibrosis, and it is characterized by an exaggerated allergic hypersensitivity response of the immune system to the fungus Aspergillus colonizing and growing in the airways. Oral itraconazole (Sporanox®) is currently used as an adjunctive treatment to corticosteroids in ABPA patients. However, its use is limited by poor bioavailability, variable pharmacokinetics, and toxicity concerns related primarily to the risk of gastrointestinal and cardiac side effects, as well as extensive drug-drug interactions. The Pulmatrix Pulmazole program is the first inhaled dry powder version of itraconazole known to the company to be advanced into clinical development, with the goal of improving upon the known safety and efficacy profile associated with oral Sporanox by delivering the drug directly to the lung.

About Pulmatrix
Pulmatrix is a clinical stage biopharmaceutical company developing innovative inhaled therapies to address serious pulmonary disease using its patented iSPERSE™ technology. The Company's proprietary product pipeline is focused on advancing treatments for serious lung diseases, including Pulmazole, inhaled anti-fungal itraconazole for patients with ABPA, and PUR1800, a narrow spectrum kinase inhibitor for patients with obstructive lung diseases including asthma and chronic obstructive pulmonary disease ("COPD"). Pulmatrix's product candidates are based on iSPERSE™, its proprietary engineered dry powder delivery platform, which seeks to improve therapeutic delivery to the lungs by maximizing local concentrations and reducing systemic side effects to improve patient outcomes.

FORWARD-LOOKING STATEMENTS
Certain statements in this press release that are forward-looking and not statements of historical fact are forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. The Company cautions that such statements involve risks and uncertainties that may materially affect the Company's results of operations. Such forward-looking statements are based on the beliefs of management as well as assumptions made by and information currently available to management. Actual results could differ materially from those contemplated by the forward-looking statements as a result of certain factors, including but not limited to the ability to establish that potential products are efficacious or safe in preclinical or clinical trials; the ability to establish or maintain collaborations on the development of therapeutic candidates; the ability to obtain appropriate or necessary governmental approvals to market potential products; the ability to obtain future funding for developmental products and working capital and to obtain such funding on commercially reasonable terms; the Company's ability to manufacture product candidates on a commercial scale or in collaborations with third parties; changes in the size and nature of competitors; the ability to retain key executives and scientists; and the ability to secure and enforce legal rights related to the Company's products, including patent protection. A discussion of these and other factors, including risks and uncertainties with respect to the Company, is set forth in the Company's filings with the Securities and Exchange Commission, including its annual report on Form 10-K filed by the Company with the Securities and Exchange Commission on March 13, 2018, as may be supplemented or amended by the Company's Quarterly Reports on Form 10-Q. The Company disclaims any intention or obligation to revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

SOURCE Pulmatrix, Inc.

Related Links

http://www.pulmatrix.com

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