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Prelude Announces Presentations at 2025 AACR Annual Meeting

Key Takeaway: Prelude Therapeutics announced new preclinical data presentations at the AACR Annual Meeting, highlighting their first-in-class SMARCA2 degrader PRT3789 and selective KAT6A degraders. The data suggest robust anti-cancer activity in preclinical models, particularly for breast cancer and solid tumors. The company aims to address safety challenges associated with non-selective approaches in oncology.
Price reaction · baseline $0.9009 (2025-04-25 close) · hit after-hours · 1 other PRLD headline(s) in the window, move may be shared
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Market Sentiment Analysis

POSITIVE FACTORS

  • Presentation of new preclinical data on SMARCA2 and KAT6A degraders.
  • Potential for differentiated efficacy and safety profile in cancer treatment.
  • Advancements in early clinical development for SMARCA4 mutated cancers.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+217%
120-day peak, hindsight
Typical move
8.2%
average across 4 past catalysts
Cash runway
~29 mo
Minimal dilution risk
Lead asset
PRT1419
Phase 1 · Multiple Myeloma

Full Press Release Details

Preclinical data elucidating the mechanism of action of PRT3789, Prelude’s first-in-class, highly selective SMARCA2 degrader currently in early clinical development
Highlights from Prelude’s efforts to discover and develop selective KAT6A degraders, including preclinical data, demonstrating potential for a differentiated efficacy and safety profile
WILMINGTON, Del., April 25, 2025 (GLOBE NEWSWIRE) -- Prelude Therapeutics Incorporated (Nasdaq: PRLD), a clinical-stage precision oncology company, today announced the presentation of new preclinical data at the American Association for Cancer Research (AACR) Annual Meeting for its highly selective IV SMARCA2 degrader and its highly selective KAT6A degraders.
Peggy Scherle, Ph.D., Chief Scientific Officer of Prelude, stated, “We are pleased to provide further preclinical data on the discovery of our lead selective SMARCA2 degrader PRT3789, currently advancing in early clinical development for patients with SMARCA4 mutated cancers. We are also delighted to report initial preclinical data from our selective KAT6A degrader discovery program. These data demonstrate that selectively degrading KAT6A results in robust anti-cancer activity in various pre-clinical models of breast cancer and other solid tumors. We believe that our first-in-class, highly potent KAT6A selective degraders have the potential to expand the therapeutic reach of KAT6A/B inhibitors currently advancing in the clinic, while addressing safety challenges associated with non-selective approaches to this clinically validated target.”

Details on the presentations are as follows:

Title: Elucidating the Molecular Mechanism of Action of the First-in-Human SMARCA2 Selective Degrader PRT3789

Summary:

Link:Publications – Prelude Therapeutics (preludetx.com)

Title: Discovery of First-in-Class Potent and Selective Oral Degraders of KAT6A that Demonstrate Anti-cancer Activity in Pre-clinical Models

Summary:

Link:Publications – Prelude Therapeutics (preludetx.com)

About Prelude TherapeuticsPrelude Therapeutics is a leading precision oncology company developing innovative medicines in areas of high unmet need for cancer patients. Our pipeline is comprised of several novel drug candidates including first-in-class, highly selective SMARCA2 and KAT6A degraders, and ongoing research into other precision oncology targets. We are also leveraging our expertise in targeted protein degradation to discover, develop and commercialize next generation degrader antibody conjugates (Precision ADCs) with partners. We are on a mission to extend the promise of precision medicine to every cancer patient in need. Our corporate presentation can be found atEvents & Presentations – Prelude Therapeutics. For more information, visit preludetx.com.
Cautionary Note Regarding Forward-Looking StatementsThis press release contains forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995, including, but not limited to, anticipated discovery, preclinical and clinical development activities for Prelude’s product candidates, and the potential safety, efficacy, benefits and addressable market for Prelude’s product candidates. All statements other than statements of historical fact are statements that could be deemed forward-looking statements. The words “believes,” “anticipates,” “estimates,” “plans,” “expects,” “intends,” “may,” “could,” “should,” “potential,” “likely,” “projects,” “continue,” “will,” “schedule,” and “would” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. These forward-looking statements are predictions based on the Company’s current expectations and projections about future events and various assumptions. Although Prelude believes that the expectations reflected in such forward-looking statements are reasonable, Prelude cannot guarantee future events, results, actions, levels of activity, performance or achievements, and the timing and results of biotechnology development and potential regulatory approval is inherently uncertain. Forward-looking statements are subject to risks and uncertainties that may cause Prelude's actual activities or results to differ significantly from those expressed in any forward-looking statement, including risks and uncertainties related to Prelude's ability to advance its product candidates, the receipt and timing of potential regulatory designations, approvals and commercialization of product candidates, clinical trial sites and our ability to enroll eligible patients, supply chain and manufacturing facilities, Prelude’s ability to maintain and recognize the benefits of certain designations received by product candidates, the timing and results of preclinical and clinical trials, Prelude's ability to fund development activities and achieve development goals, Prelude's ability to protect intellectual property, and other risks and uncertainties described under the heading "Risk Factors" in Prelude’s Annual Report on Form 10-K for the year ended December 31, 2024, its Quarterly Reports on Form 10-Q and other documents that Prelude files from time to time with the Securities and Exchange Commission. These forward-looking statements speak only as of the date of this press release, and Prelude undertakes no obligation to revise or update any forward-looking statements to reflect events or circumstances after the date hereof, except as may be required by law.

Investor Contact:Robert A. Doody, Jr.Senior Vice President, Investor RelationsPrelude Therapeutics Incorporated484.639.7235rdoody@preludetx.com

Frequently Asked Questions

What is PRT3789?

PRT3789 is Prelude's first-in-class, highly selective SMARCA2 degrader in early clinical development.

What did Prelude present at the AACR Annual Meeting?

Prelude presented new preclinical data on SMARCA2 and KAT6A degraders demonstrating anti-cancer activity.

What types of cancers are targeted by Prelude's degraders?

Prelude's degraders target SMARCA4 mutated cancers and show activity in breast cancer and other solid tumors.

Who is the Chief Scientific Officer of Prelude?

Peggy Scherle, Ph.D., is the Chief Scientific Officer of Prelude Therapeutics.

Last updated: Apr 25, 2025