SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)-- Tenaya Therapeutics (NASDAQ: TNYA), a biotechnology company with a mission to discover, develop and deliver curative therapies that address the underlying causes of heart disease, today reported business and program updates and third quarter 2021 financial results.

“The third quarter of 2021 was a significant marker in Tenaya’s history with the successful completion of our IPO, and it also represented a period of growth for the company as we continued to make progress on our key pipeline programs and operations,” said Faraz Ali, CEO of Tenaya. “We are pleased to announce the initiation of our global natural history study for pediatric patients with MYBPC3 mutations, as this supports our TN-201 gene therapy program as well as our evolution towards becoming a clinical-stage company. The initiation of cGMP manufacturing for TYA-11631 is an important operational milestone and another step in the direction of our vision for modality-agnostic drug discovery. The first-ever presentation of data supporting our PKP2 gene therapy program at an important scientific conference provides new hope for individuals and families fighting the leading genetic cause of Arrhythmogenic Right Ventricular Cardiomyopathy, a severe disease with high unmet need.”

Business and Program Updates

• TN-201 – MYBPC3 Gene Therapy Program for Genetic HCM (gHCM):
  • Pre-clinical data on the treatment in a severe MYBPC3 mutant mouse model of gHCM with TN-201 demonstrating extended survival to 18 months after a single dose and continued improvement in functional measures was presented at the annual meeting of the European Society of Gene and Cell Therapy (ESGCT) in October 2021.
  • Tenaya has initiated a global natural history study to improve our understanding of disease progression and unmet need in individuals carrying mutations in the MYBPC3 gene, with an initial focus on pediatric patients under the age of 18. For additional information about the natural history study, please visit www.clinicaltrials.gov using Identifier NCT05112237. These efforts may support the evaluation of Tenaya’s TN-201 gene therapy product candidate in this patient population during clinical development.
  • Tenaya has initiated IND-enabling activities and intends to submit an investigational new drug (IND) application or clinical trial application (CTA) to the U.S. Food and Drug Administration (FDA) or European Medicine Agency (EMA), respectively, in 2022.
• TYA-11631 – HDAC6 Inhibitor (HDAC6i) Small Molecule for Heart Failure with Preserved Ejection Fraction (HFpEF)
  • Tenaya has initiated cGMP manufacturing activities to support the production of TYA-11631 at larger scales. Tenaya had previously announced initiation of IND-enabling activities and intends to submit an IND to the FDA in 2022.
• PKP2 Gene Therapy Program for Genetic Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC)
  • Pre-clinical data on the treatment of a severe mouse model of ARVC due to PKP2 gene mutations with Tenaya’s gene therapy product construct demonstrated prevention of symptoms and continued, significant improvement in functional measures and survival benefit at 15 weeks after a single dose as presented in a poster at ESGCT. Mutations due to the PKP2 gene are the leading genetic cause of ARVC, a severe disease estimated to effect more than 70,000 patients in the US alone and with no approved disease-specific therapies.
• Strong balance sheet with net proceeds of $188.5 million from the sale of 13.8 million shares of its common stock in the Company’s initial public offering (IPO), bringing cash, cash equivalents and investments in marketable securities to $280.5 million as of September 30, 2021.

Third Quarter 2021 Financial Highlights

• Cash Position: As of September 30, 2021, Tenaya had cash, cash equivalents and investments in marketable securities of $280.5 million which included net proceeds from the Company’s IPO in August 2021. Tenaya expects its current cash, cash equivalents and investments in marketable securities will be sufficient to fund its current operating plan at least into the second half of 2023.
• Research & Development (R&D) Expenses: R&D expenses were $12.9 million for the third quarter of 2021. Non-cash stock-based compensation included in R&D expense was $0.3 million for the third quarter of 2021.
• General & Administrative (G&A) Expenses: G&A expenses were $5.4 million for the third quarter of 2021. Non-cash stock-based compensation included in G&A expense was $0.6 million for the third quarter of 2021.
• Net Loss: Net loss was $18.3 million, or $0.68 on a per share basis, for the third quarter of 2021.

About Tenaya Therapeutics

Tenaya Therapeutics is a biotechnology company committed to a bold mission: to discover, develop and deliver curative therapies that address the underlying drivers of heart disease. Founded by leading cardiovascular scientists from Gladstone Institutes and the University of Texas Southwestern Medical Center, Tenaya is developing therapies for rare genetic disorders as well as for more prevalent heart conditions through three distinct but interrelated product platforms: Gene Therapy, Cellular Regeneration and Precision Medicine. For more information, visit www.tenayatherapeutics.com.

Forward Looking Statements

This press release contains forward-looking statements as that term is defined in Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Statements in this press release that are not purely historical are forward-looking statements. Such forward-looking statements include, among other things, statements regarding the potential of and expectations regarding Tenaya’s product candidates and programs, including TN-201 and TYA-11631; statements regarding the expected timing of IND and CTA submissions to the FDA or EMA, respectively, for Tenaya’s product candidates; statements regarding the sufficiency of Tenaya’s cash, cash equivalents and investments in marketable securities to fund its operating plan; and statements by Tenaya’s chief executive officer. Words such as “expects,” “intends,” “potential,” “utility,” and “will,” and similar expressions are intended to identify forward-looking statements. The forward-looking statements contained herein are based upon Tenaya’s current expectations and involve assumptions that may never materialize or may prove to be incorrect. Actual results could differ materially from those projected in any forward-looking statements due to numerous risks and uncertainties, including but not limited to: risks associated with the process of discovering, developing and commercializing drugs that are safe and effective for use as human therapeutics and operating as an early clinical stage company including the potential for Tenaya’s product candidates to cause serious adverse events; Tenaya’s ability to develop, initiate or complete preclinical studies and clinical trials for, obtain approvals for and commercialize any of its product candidates for heart failure patients or other patient populations; the timing, progress and results of preclinical studies and clinical trials for TN-201 and TYA-11631 and Tenaya’s other product candidates and programs; Tenaya’s ability to raise any additional funding it will need to continue to pursue its business and product development plans; negative impacts of the COVID-19 pandemic on Tenaya’s manufacturing and operations, including preclinical studies and clinical trials; the timing, scope and likelihood of regulatory filings and approvals; the potential for any clinical trial results to differ from preclinical, interim, preliminary, topline or expected results; Tenaya’s ability to develop a proprietary drug discovery platform to build a pipeline of product candidates; Tenaya’s manufacturing, commercialization and marketing capabilities and strategy; the loss of key scientific or management personnel; competition in the industry in which Tenaya operates; Tenaya’s reliance on third parties; Tenaya’s ability to obtain and maintain intellectual property protection for its product candidates; general economic and market conditions; and other risks. Information regarding the foregoing and additional risks may be found in the section entitled “Risk Factors” in documents that Tenaya files from time to time with the Securities and Exchange Commission. These forward-looking statements are made as of the date of this press release, and Tenaya assumes no obligation to update the forward-looking statements, or to update the reasons why actual results could differ from those projected in the forward-looking statements, except as required by law.

TENAYA THERAPEUTICS, INC.

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TENAYA THERAPEUTICS, INC.

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