Guardant Health Announces Collaboration With Daiichi Sankyo to Develop Guardant360® CDx as a Companion Diagnostic for Enhertu® in Advanced Metastatic Non-Small Cell Lung Cancer

April 27, 2021

REDWOOD CITY, Calif.--(BUSINESS WIRE)-- Guardant Health, Inc. (Nasdaq: GH) today announced a strategic collaboration with Daiichi Sankyo, Inc. (Daiichi Sankyo) to pursue regulatory approval and commercialization of the Guardant360® CDx blood test as a companion diagnostic for Enhertu® (fam-trastuzumab deruxtecan-nxki), a HER2-directed antibody-drug conjugate (ADC), being studied in the treatment of patientswith advanced metastatic non-small cell lung cancer (NSCLC).

“For patients with metastatic non-small cell lung cancer, personalized medicines targeting actionable mutations, as revealed by our Guardant360 liquid biopsy test, have been life-changing,” said Helmy Eltoukhy, Guardant Health CEO. “Such medicines may extend overall survival for many patients, and we are excited to work with Daiichi Sankyo, as there remains an unmet medical need to help non-small cell lung cancer patients with HER2 mutations.”

The Guardant360 CDx test is FDA-approved to provide comprehensive genomic profiling results to guide treatment in all solid tumors, including NSCLC. Sequencing a broad number of genes to understand the molecular drivers of a patient’s cancer is critical, as the number of treatment-relevant genomic alterations continues to grow.

About Guardant Health

Guardant Health is a leading precision oncology company focused on helping conquer cancer globally through use of its proprietary blood tests, vast data sets, and advanced analytics. The Guardant Health oncology platform leverages capabilities to drive commercial adoption, improve patient clinical outcomes, and lower healthcare costs across all stages of the cancer care continuum. Guardant Health has commercially launched liquid biopsy-based Guardant360®, Guardant360 CDx, and GuardantOMNI® tests for advanced stage cancer patients, and Guardant Revealtest for early-stage cancer patients. These tests fuel development of its LUNAR screening program, which aims to address the needs of asymptomatic individuals eligible for cancer screening and individuals at a higher risk for developing cancer with early detection.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of federal securities laws, including statements regarding the potential scope, impact or benefit of Guardant Health liquid biopsies 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, 2020 as well as in its other reports filed with the Securities and Exchange Commission, including, when filed, its Quarterly Report on Form 10-Q for the period ended March 31, 2021. 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.

Source: Guardant Health, Inc.

Investor Contact:
Carrie Mendivil
investors@guardanthealth.com

Media Contact:
Anna Czene
press@guardanthealth.com

Julie Johnson
julie.johnson@uncappedcommunications.com

Source: Guardant Health, Inc.