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Quest Diagnostics Completes Acquisition of Haystack Oncology, Adding Sensitive MRD Liquid Biopsy Technology to Cancer Diagnostics Portfolio

SECAUCUS, N.J., June 21, 2023 /PRNewswire/ — Quest Diagnostics (NYSE:DGX), the nation’s leading provider of diagnostic information services, today announced that it has completed its previously announced acquisition of Haystack Oncology.

Quest Diagnostics Incorporated logo. (PRNewsFoto/Quest Diagnostics Incorporated)

Haystack Oncology has developed a highly sensitive minimal-residual disease (MRD) testing technology, based on circulating tumor DNA (ctDNA), to aid in the early detection of residual or recurring cancer and better inform therapy decisions. Quest expects to incorporate this MRD technology into the development of new blood-based clinical lab services for solid tumor cancers available beginning in 2024. 

About Haystack Oncology
Haystack Oncology uses the next generation of ctDNA detection technology to see through the noise and uncover the lowest levels of ctDNA in blood to report residual, recurrent, or resistant disease earlier than other MRD tests. Designed by cancer genomics pioneers and liquid biopsy experts, Haystack’s tumor-informed MRD test is best positioned to deliver the right treatment to the right person at the right time. Haystack is based in Baltimore, MD, and has research facilities in Hamburg, Germany. Learn more at www.HaystackOncology.com.

About Quest Diagnostics
Quest Diagnostics empowers people to take action to improve health outcomes. Derived from the world’s largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management. Quest annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our approximately 50,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives. www.QuestDiagnostics.com

SOURCE Quest Diagnostics

For further information: Jen Petrella, Quest Diagnostics (Media): 973-520-2800 or mediacontact@QuestDiagnostics.com; Shawn Bevec, Quest Diagnostics (Investors): 973-520-2900

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News and events

American Society of Clinical Oncology (ASCO) 2024 Annual Meeting

Haystack MRD™ by Quest Diagnostics® will be attending the 2024 American Association for Cancer Research (AACR) annual meeting taking place April 5–10, 2024 in San Diego, CA. The AACR annual meeting stands as the cornerstone of the cancer research community,

American Association for Cancer Research 2024

Haystack MRD™ by Quest Diagnostics® will be attending the 2024 American Association for Cancer Research (AACR) annual meeting taking place April 5–10, 2024 in San Diego, CA. The AACR annual meeting stands as the cornerstone of the cancer research community,

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