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AT-527

Small molecule · developed by Atea Pharmaceuticals

Phase 1 Most advanced trial (none active)

AVIR Developer

1 Registered trials

What is AT-527?

AT-527 is a tablet formulation given as a single 550 mg dose in a healthy volunteer study.

Summary written with AI from the sources listed at the end of this page.

At a glance

Drug type: Small molecule
Developer: Atea Pharmaceuticals, Inc. (AVIR)
FDA status: Investigational, not approved in the US. Most advanced trial: Phase 1
UNII: DAI4WL7JQ6

🧪 Clinical trials

Trial	Phase	Condition	Status	Sponsor
NCT04784000	Phase 1	Healthy Volunteer Study	Completed	AVIR

Trials of the companies BioRadar tracks, from ClinicalTrials.gov, most advanced phase first.

Conditions studied

Healthy Volunteer Study

More from Atea Pharmaceuticals

AT-587 Phase 1 AT-752 Phase 2 AT-777 Phase 1/2 Bemnifosbuvir Phase 3 Bemnifosbuvir-Ruzasvir Phase 3 Ethinyl Estradioll/Levonorgestrel Phase 1 Ruzasvir Phase 2 Treatment A-Bemnifosbuvir/Ruzasvir FDC Phase 1

Sources

ClinicalTrials.gov NCT04784000

Updated Oct 11, 2026. Something wrong or missing? Report it on the AVIR page.

Follow AVIR, the company behind AT-527

See AVIR's upcoming FDA decisions, trial readouts, cash runway and dilution risk, updated every day from SEC, FDA and ClinicalTrials.gov filings.

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Data: FDA (Drugs@FDA, Purple Book, DailyMed), NIH (NCI Thesaurus, GSRS, RxNorm), ClinicalTrials.gov • Informational purposes only, not medical or investment advice. • All drugs A–Z