— Maturing into clinical-stage company; on-track to file IND application or CTA for PM359 in 1H 2024, with initial data expected in 2025 —
— Progressing broader portfolio across core areas of focus; expect to initiate IND-enabling activities in first liver and ocular disease programs in 2024 —
— Advancing hotspot and PASSIGE™ Prime Editors for CF following entry into therapeutic development agreement with Cystic Fibrosis Foundation —
— Completed upsized $161 million public offering —
CAMBRIDGE, Mass., March 01, 2024 (GLOBE NEWSWIRE) — Prime Medicine, Inc. (NASDAQ:PRME), a biotechnology company committed to delivering a new class of differentiated one-time curative genetic therapies, today reported financial results for the full year ended December 31, 2023 and provided a business update.
“In 2024, we anticipate undergoing a significant transformation, maturing into a clinical-stage company and bringing the first-ever Prime Editing-based therapeutic candidate to patients. We look forward to filing our first IND or CTA in the months ahead, and to commencing our Phase 1 clinical trial in CGD, a serious, life-threatening disease that we believe is uniquely suited for treatment with a Prime Editing-based approach,” said Keith Gottesdiener, M.D., President and Chief Executive Officer of Prime Medicine. “In parallel, we continue to progress our broader pipeline, where we are advancing programs across our core areas of focus: hematology and immunology, liver, lung, ocular and neuromuscular disease. This year, we expect to advance our first liver and ocular disease programs into IND-enabling studies, while continuing to explore business development opportunities that can accelerate our existing work, enable us to pursue additional programs, and provide access to innovation that can further advance Prime Editing. Over time, we believe the modularity of the Prime Editing platform will allow us to quickly build on our current efforts, unlocking opportunities across a wide range of genetic and common diseases, which collectively impact millions of people.”
Recent Business Updates
Chronic Granulomatous Disease (CGD)
In January 2024, Prime Medicine received Orphan Drug Designation from the U.S. Food and Drug Administration (FDA) for PM359.
Cystic Fibrosis (CF)
In January 2024, Prime Medicine announced that the Cystic Fibrosis Foundation (CF Foundation) agreed to provide the Company with up to $15 million to support the development of Prime Editors for the treatment of CF. This funding will allow Prime Medicine to progress two distinct strategies for applying Prime Editing to treat CF: hotspot editing and PASSIGE™ (Prime Assisted Site Specific Integrase Gene Editing).
Corporate
In February 2024, the U.S. Patent and Trademark Office issued Prime Medicine’s fourth U.S. patent, No. 11,912,985, “Methods and Compositions for Simultaneous Editing of Both Strands of a Target Double-Stranded Nucleotide Sequence,” which covers dual flap Prime Editing systems.
In February 2024, Prime Medicine closed an upsized underwritten public offering of common stock at a public offering price of $6.25 per share and, in lieu of common stock to certain investors, pre-funded warrants to purchase shares of common stock, at a public offering price of $6.24999 per pre-funded warrant. Gross proceeds to Prime Medicine from the offering, before deducting underwriting discounts and commissions and offering expenses, were approximately $161.0 million.
In January 2024, Prime Medicine announced the appointment of Allan Reine, M.D., as the Company’s Chief Financial Officer. Dr. Reine, a seasoned financial executive with over twenty years’ experience in the biotechnology industry, will be responsible for the company’s financing strategy and investor relations, and will oversee all financial operations.
Anticipated Upcoming Milestones
Prime Medicine expects the following activities and next steps to drive Prime Medicine forward and support the company’s maturation into a clinical-stage company:
Hematology and Immunology:
Open investigational new drug (IND) application and/or clinical trial application (CTA) for Phase 1/2 study in CGD in the first half of 2024, with initial clinical data anticipated in 2025.
Advance Shielded Hematopoietic Stem Cell (HSC) and Immunotherapy Pairs (SCIP) technology, establish proof-of-concept in HSC and immunotherapy and identify first clinical program(s) with this approach in 2024.
Advance differentiated CAR-T program, using PASSIGE technology, into lead optimization.
Liver:
Continue to advance preclinical studies for three liver programs and initiate IND-enabling activities for at least one in 2024, leading to an IND and/or CTA in the second half of 2025 or first half of 2026.
Ocular:
Nominate development candidate for Retinitis Pigmentosa/Rhodopsin (RHO) and initiate IND-enabling activities in 2024.
Neuromuscular:
Continue to advance Friedreich’s Ataxia and advance one other program into lead optimization in 2024.
In large animal studies, establish adeno-associated virus (AAV) delivery platform and route of administration for neuromuscular programs in 2024.
Full Year 2023 Financial Results
Research and Development (R&D) Expenses: R&D expenses were $147.9 million for the year ended December 31, 2023, as compared to $86.7 million for the year ended December 31, 2022. The increase in R&D expenses was driven by IND-enabling activities for the Company’s CGD program and expenses related to the advancement of the company’s pipeline and platform.
General and Administrative (G&A) Expenses: G&A expenses were $43.4 million for the year ended December 31, 2023, as compared to $29.8 million for the year ended December 31, 2022.
Net Loss: Net loss was $198.1 million for the year ended December 31, 2023, as compared to $121.8 million for the year ended December 31, 2022. Part of the increase was attributable to a one-time charge for the Company’s settlement with Myeloid Therapeutics, Inc.
Cash Position: As of December 31, 2023, cash, cash equivalents, investments and restricted cash were $135.2 million, as compared to $307.4 million as of December 31, 2022.
About Prime Medicine
Prime Medicine is a leading biotechnology company dedicated to creating and delivering the next generation of gene editing therapies to patients. The Company is deploying its proprietary Prime Editing platform, a versatile, precise and efficient gene editing technology, to develop a new class of differentiated one-time curative genetic therapies. Designed to make only the right edit at the right position within a gene while minimizing unwanted DNA modifications, Prime Editors have the potential to repair almost all types of genetic mutations and work in many different tissues, organs and cell types. Taken together, Prime Editing’s versatile gene editing capabilities could unlock opportunities across thousands of potential indications.
Prime Medicine is currently progressing a diversified portfolio of investigational therapeutic programs organized around core areas of focus: hematology and immunology, liver, lung, ocular and neuromuscular. Across each core area, Prime Medicine’s initial focus is on genetic diseases with a fast, direct path to treating patients, and those with high unmet need not currently addressable using other gene editing approaches. Over time, the Company intends to maximize Prime Editing’s broad and versatile therapeutic potential to expand beyond the genetic diseases in its initial pipeline, potentially including immunological diseases, cancers, infectious diseases, and targeting genetic risk factors in common diseases, which collectively impact millions of people. For more information, please visit www.primemedicine.com.
Forward Looking Statements
This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended, including, without limitation, implied and express statements about Prime Medicine’s beliefs and expectations regarding: the initiation, timing, progress, and results of its research and development programs, preclinical studies and future clinical trials, and the release of data related thereto; the anticipated maturation into a clinical-stage company and bringing the first-ever Prime Editing-based therapeutic candidate to patients; progressing its broader pipeline across core areas of focus; exploring business development opportunities that could accelerate existing work and the benefits thereof; the modularity of the Prime Editing platform and the benefits thereof; certain activities and next steps to support the company’s maturation into a clinical-stage company, including opening IND and/or CTA applications, clinical data expectations, establishing proof of concept, advancing programs into lead optimization, advancing preclinical studies and initiating IND-enabling activities, nominating development candidates, and establishing delivery platform and rout of administration; its expectations regarding the breadth of Prime Editing technology and the implementation of its strategic plans for its business, programs, and technology; and the potential of Prime Editing to unlock opportunities across thousands of potential indications. The words “may,” “might,” “will,” “could,” “would,” “should,” “expect,” “plan,” “anticipate,” “intend,” “believe,” “expect,” “estimate,” “seek,” “predict,” “future,” “project,” “potential,” “continue,” “target” and similar words or expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying …
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