Company Announcements

Multi-year global collaboration will utilize Guardant liquid biopsy portfolio in research and clinical applications and evaluate utility of ctDNA for monitoring therapy response

PALO ALTO, Calif.--(BUSINESS WIRE)--Apr. 24, 2025-- Guardant Health, Inc. (Nasdaq: GH), a leading precision oncology company, today announced a strategic collaboration with Pfizer, Inc. (NYSE: PFE), to support the development and commercialization of Pfizer’s oncology portfolio using the Guardant Infinity™ smart liquid biopsy platform.

Under the multi-year collaboration agreement, Guardant and Pfizer aim to:

• Utilize Guardant’s portfolio of liquid biopsy tests in Pfizer’s global clinical studies
• Evaluate the clinical utility of (a) circulating tumor DNA (ctDNA) level as a surrogate endpoint to monitor therapy response and (b) related blood-based epigenomic analyses

The collaboration will also provide Pfizer with access to Guardant’s liquid biopsy tests in China for their global clinical trials that include China cohorts. In July 2022, Guardant announced a strategic partnership with Adicon Holdings Limited, a leading independent clinical laboratory company based in China, to offer Guardant tests to biopharmaceutical companies conducting clinical trials in China. Cancer is the leading cause of death in China, with over three million cancer-related deaths in 2020.

About Guardant Health

Guardant Health is a leading precision oncology company focused on guarding wellness and giving every person more time free from cancer. Founded in 2012, Guardant is transforming patient care and accelerating new cancer therapies by providing critical insights into what drives disease through its advanced blood and tissue tests, real-world data and AI analytics. Guardant tests help improve outcomes across all stages of care, including screening to find cancer early, monitoring for recurrence in early-stage cancer, and treatment selection for patients with advanced cancer. For more information, visit guardanthealth.com and follow the company on LinkedIn, X (Twitter) and Facebook.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of federal securities laws, including statements regarding the potential utilities, values, benefits and advantages of Guardant Health’s liquid biopsy tests or assays, which involve risks and uncertainties that could cause the actual results to differ materially from the anticipated results and expectations expressed in these forward-looking statements. These statements are based on current expectations, forecasts and assumptions, and actual outcomes and results could differ materially from these statements due to a number of factors. These and additional risks and uncertainties that could affect Guardant Health’s financial and operating results and cause actual results to differ materially from those indicated by the forward-looking statements made in this press release include those discussed under the captions “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operation” and elsewhere in its Annual Report on Form 10-K for the year ended December 31, 2024, and any current and periodic reports filed with or furnished to the Securities and Exchange Commission thereafter. The forward-looking statements in this press release are based on information available to Guardant Health as of the date hereof, and Guardant Health disclaims any obligation to update any forward-looking statements provided to reflect any change in its expectations or any change in events, conditions, or circumstances on which any such statement is based, except as required by law. These forward-looking statements should not be relied upon as representing Guardant Health’s views as of any date subsequent to the date of this press release.

View source version on businesswire.com: https://www.businesswire.com/news/home/20250424644075/en/

Investor Contact:
Zarak Khurshid
investors@guardanthealth.com

Media Contact:
Michael Weist
press@guardanthealth.com
+1 317-371-0035

Source: Guardant Health, Inc.