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The National Institute of Allergy and Infectious Diseases will fund the continued clinical development of product candidate SPR206
CAMBRIDGE, Mass., May 17, 2021 (GLOBE NEWSWIRE) -- Spero Therapeutics, Inc. (Nasdaq: SPRO), a multi-asset clinical-stage biopharmaceutical company focused on identifying, developing, and commercializing treatments in high unmet need areas involving multi-drug resistant bacterial infections and rare diseases, today announced that it has been awarded funding of $2.09 million, with the potential for up to an additional $21.3 million over 5 years, from the National Institute of Allergy and Infectious Diseases (NIAID), one of 27 institutes and centers that make up the National Institutes of Health (NIH). The funding will support the further clinical development of SPR206, an intravenously (IV)-administered next-generation polymyxin product candidate derived from Spero’s potentiator platform that is being developed to treat serious multi-drug resistant (MDR) Gram-negative infections in the hospital setting.
The initial award provides funding for pharmacokinetic/pharmacodynamic studies to aid in dose selection, manufacturing process development, clinical microbiology, and support for regulatory interactions. If fully exercised, the award additionally provides funding for a broad range of activities including new drug application (NDA)-enabling toxicology studies, drug substance, and drug product manufacturing, a Phase 1 absorption, distribution, metabolism, and excretion (ADME) study, and a Phase 2 clinical proof-of-concept study to evaluate the efficacy of SPR206 in target indications.
“We are honored to receive this award and look forward to continuing the productive collaboration we have had with NIAID on the SPR206 program over the past several years,” said Ankit Mahadevia, M.D., Chief Executive Officer of Spero Therapeutics. “The award provides funding that will allow us to accelerate SPR206’s clinical development and represents an important external validation for the program. SPR206’s potent, broad-spectrum antimicrobial activity and lack of nephrotoxicity at predicted therapeutic dose levels in a completed Phase 1 study highlight its potential as a much-needed new treatment option for serious drug-resistant infections and provides clear differentiation compared to prior-generation polymyxin antibiotics. We are grateful to have this new support from NIAID and the continued support of our partners at the Department of Defense and Everest Medicines as we work to develop this promising drug candidate.”
SPR206 is an IV-administered next generation polymyxin product candidate designed to act directly on Gram-negative bacterial infections through the molecule’s interactions with the bacterial outer membrane. SPR206 has demonstrated potent broad-spectrum activity against Gram-negative bacteria, including organisms identified by the Centers for Disease Control and Prevention and the World Health Organization as urgent and serious threats to human health. Spero has completed a first-in-human Phase 1 assessment of SPR206 in which the product candidate was generally well tolerated and demonstrated no evidence of nephrotoxicity at anticipated therapeutic doses. Spero expects to initiate a Phase 1 bronchoalveolar lavage (BAL) clinical trial assessing the penetration of SPR206 into the pulmonary compartment and a Phase 1 renal impairment clinical trial of SPR206 in the second quarter of 2021. For more information on these trials and their design, see ClinicalTrials.gov identifiers NCT04868292 (BAL trial) and NCT04865393 (renal impairment trial). SPR206 has been granted Qualified Infectious Disease Product (QIDP) designation by the United States Food and Drug Administration for the treatment of complicated urinary tract infections and hospital-acquired bacterial pneumonia and ventilator-associated bacterial pneumonia (HABP/VABP).
Spero Therapeutics, Inc. is a multi-asset, clinical-stage biopharmaceutical company focused on identifying, developing and commercializing novel treatments for multi-drug-resistant (MDR) bacterial infections and rare diseases.
Spero’s lead product candidate, tebipenem HBr (tebipenem pivoxil hydrobromide; formerly SPR994), is being developed as the first oral carbapenem antibiotic for use in complicated urinary tract infections (cUTI) and acute pyelonephritis (AP). In September 2020, Spero announced positive top-line results from its Phase 3 ADAPT-PO clinical trial of tebipenem HBr in cUTI and AP.
Spero is also developing SPR720 as a novel oral therapy product candidate for the treatment of rare, orphan pulmonary disease caused by non-tuberculous mycobacterial (NTM) infections.
Spero also has an IV-administered next generation polymyxin product candidate, SPR206, developed from its potentiator platform, which is being developed to treat MDR Gram-negative infections in the hospital setting.
For more information, visit https://sperotherapeutics.com.
NIAID conducts and supports basic and applied research to better understand, treat, and ultimately prevent infectious, immunologic, and allergic diseases. For more than 60 years, NIAID research has led to new therapies, vaccines, diagnostic tests, and other technologies that have improved the health of millions of people in the United States and around the world.
NIAID has a unique mandate, which requires NIAID to respond to emerging public health threats. NIAID advances the understanding, diagnosis, and treatment of many of the world’s most intractable and widespread diseases. Key research areas include newly emerging and re-emerging infectious diseases such as tuberculosis and influenza, HIV/AIDS, biodefense, and immune-mediated diseases including asthma and allergy.
Department of Defense
Select SPR206 studies are supported by the Office of the Assistant Secretary of Defense for Health Affairs, through the Joint Warfighter Medical Research Program under Award No. W81XWH 19 1 0295. Opinions, interpretations, conclusions and recommendations are those of the author and are not necessarily endorsed by the Department of Defense.
Forward Looking Statements
This press release may contain forward-looking statements. These statements include, but are not limited to, statements about the initiation, timing and submission to the FDA of a NDA for tebipenem HBr and the potential approval of tebipenem HBr by the FDA; additional future funding from NIAID and additional activities, including additional studies, as a result of such future funding; the design, initiation, timing, progress and results of Spero’s preclinical studies and clinical trials and its research and development programs, including the commencement of Spero’s planned Phase 1 bronchoalveolar lavage (BAL) clinical trial assessing the penetration of SPR206 into the pulmonary compartment and its renal impairment study of SPR206; management’s assessment of the results of such preclinical studies and clinical trials; the direct and indirect impact of the pandemic caused by an outbreak of a new strain of coronavirus (COVID-19) on Spero’s business and operations, including manufacturing, research and development costs, clinical trials, regulatory processes and employee expenses; and Spero’s cash forecast and anticipated expenses, the sufficiency of its cash resources and the availability of additional non-dilutive funding from governmental agencies beyond any initially funded awards. In some cases, forward-looking statements can be identified by terms such as “may,” “will,” “should,” “expect,” “plan,” “aim,” “anticipate,” “could,” “intent,” “target,” “project,” “contemplate,” “believe,” “estimate,” “predict,” “potential” or “continue” or the negative of these terms or other similar expressions. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including Spero’s ability to timely complete the NDA submission to the FDA for tebipenem HBr; Spero’s need for additional funding; the lengthy, expensive, and uncertain process of clinical drug development; whether results obtained in preclinical studies and clinical trials will be indicative of results obtained in future clinical trials; Spero’s reliance on third parties to manufacture, develop, and commercialize its product candidates, if approved; the ability to develop and commercialize Spero’s product candidates, if approved; the potential impact of the COVID-19 pandemic; Spero’s ability to retain key personnel and to manage its growth; whether Spero’s cash resources will be sufficient to fund its continuing operations for the periods and/or trials anticipated; and other factors discussed in the “Risk Factors” set forth in filings that Spero periodically makes with the U.S. Securities and Exchange Commission. The forward-looking statements included in this press release represent Spero’s views as of the date of this press release. Spero anticipates that subsequent events and developments will cause its views to change. However, while Spero may elect to update these forward-looking statements at some point in the future, it specifically disclaims any obligation to do so. These forward-looking statements should not be relied upon as representing Spero’s views as of any date subsequent to the date of this press release.
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