Clinical Trials Directory

Trials / Withdrawn

WithdrawnNCT04309734

Study of AT-777 in Healthy Subjects and AT-777 in Combination With AT-527 in HCV-Infected Subjects

A Phase I/IIa Study Assessing AT-777 in Healthy Subjects and AT-777 in Combination With AT-527 in HCV-Infected Subjects

Status
Withdrawn
Phase
Phase 1 / Phase 2
Study type
Interventional
Enrollment
0 (actual)
Sponsor
Atea Pharmaceuticals, Inc. · Industry
Sex
All
Age
18 Years – 65 Years
Healthy volunteers
Accepted

Summary

This study has two parts. Part A will assess the safety, tolerability and pharmacokinetics (PK) of AT-777 in healthy subjects. Part B will assess the safety, antiviral activity/efficacy and PK of AT-777 in combination with AT-527 after 8 weeks of treatment in HCV-infected subjects.

Conditions

Interventions

TypeNameDescription
DRUGAT-777Administered orally as one or two 60 mg capsule(s) of AT-777 (inhibitor of HCV nonstructural protein 5A (NS5A)), depending on the arm.
DRUGPlaceboAdministered orally, as one or two placebo capsules, depending on the arm.
DRUGAT-527Administered orally as one 550 mg tablet of AT-527 (nucleotide prodrug inhibitor of HCV nonstructural protein 5B (NS5B) polymerase), depending on the arm.

Timeline

Start date
2021-10-01
Primary completion
2022-06-01
Completion
2022-09-01
First posted
2020-03-16
Last updated
2022-06-08

Locations

1 site across 1 country: Belgium

Source: ClinicalTrials.gov record NCT04309734. Inclusion in this directory is not an endorsement.