Guardant Health Touts Hypergrowth in Guardant360, Reveal MRD and Shield CRC

Executives outline growth drivers across treatment selection, minimal residual disease testing, and colorectal cancer screening at Barclays conference.

Mar. 17, 2026 at 7:07am

Guardant Health NASDAQ: GH executives used a Barclays discussion to outline growth drivers across treatment selection, minimal residual disease (MRD) testing, and colorectal cancer (CRC) screening, while addressing investor questions on clinical utility, reimbursement, and commercial execution.

Why it matters

Guardant Health is a leading precision oncology company that develops non-invasive blood-based cancer diagnostics. The company's growth strategy and product pipeline updates provide insights into the evolving cancer diagnostics market and Guardant's competitive positioning.

The details

In treatment selection, Guardant highlighted monitoring for ESR1 mutations in breast cancer as an emerging opportunity, with the potential for 40,000 patients to be candidates for this type of testing. The company also discussed FDA approval for its Guardant360 test in colorectal cancer, which it believes can increase physician confidence and utilization. On the MRD front, Guardant's Reveal product has been its fastest-growing oncology product, and the company is preparing to launch Reveal Ultra, a new tumor-informed MRD test. In screening, Guardant's Shield CRC test had a strong launch, and the company is focused on reaching unscreened patients in primary care settings.

  • Guardant received FDA approval for ESR1 testing in breast cancer a couple years ago.
  • An FDA decision on the SERENA-6 trial is expected in the first half of 2026.
  • Guardant360 received FDA approval for colorectal cancer in January 2026.
  • Guardant's CRC screening test, Shield, was launched in its first full year.
  • Guardant expects to launch its Reveal Ultra MRD test later in 2026.

The players

Guardant Health

An American precision oncology company specializing in blood-based cancer diagnostics, founded in 2012 and headquartered in Redwood City, California.

Amirali Talasaz

Co-CEO of Guardant Health.

Mike Bell

CFO of Guardant Health.

AstraZeneca

A pharmaceutical company that is Guardant Health's partner for the SERENA-6 trial.

Quest

A healthcare company that has partnered with Guardant Health to help fast-track electronic medical record connectivity for Guardant's Shield CRC screening test.

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What they’re saying

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— Gordon Edgar, grocery employee (Instagram)

What’s next

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The takeaway

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