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Effect of Cyclosporine on the Pharmacokinetics (PK) of AT-527 (R07496998)

A Phase 1, Randomized, Open-Label Study to Evaluate the Effect of Cyclosporine on the Plasma Pharmacokinetics of AT-527 in Healthy Adult Male Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04849299
Enrollment
24
Registered
2021-04-19
Start date
2021-04-18
Completion date
2021-05-10
Last updated
2021-08-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Volunteer Study

Brief summary

This study will determine the effect of cyclosporine on the PK of AT-527 (R07496998) in healthy male subjects

Interventions

DRUGAT-527 550 mg + cyclosporine

550 mg AT-527 alone on Day 1 and 550 mg AT-527 plus 600 mg cyclosporine administered simultaneously on Day 7 Other Names: AT-527 is also known as R07496998

Sponsors

Hoffmann-La Roche
CollaboratorINDUSTRY
Atea Pharmaceuticals, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
18 Years to 65 Years
Healthy volunteers
Yes

Inclusion criteria

* Must agree to use two methods of birth control from Screening through 90 days after administration of the last dose of study drug * Minimum body weight of 50 kg and body mass index (BMI) of 18-29 kg/m2 * Willing to comply with the study requirements and to provide written informed consent

Exclusion criteria

* Infected with hepatitis B virus, hepatitis C virus, HIV or SARS-CoV-2 * Abuse of alcohol or drugs * Use of other investigational drugs within 28 days of dosing * Concomitant use of prescription medications, or systemic over-the-counter medications * Other clinically significant medical conditions or laboratory abnormalities

Design outcomes

Primary

MeasureTime frameDescription
Pharmacokinetics (PK) of AT-527 (R07496998): CmaxDay 1 vs Day 7Maximum plasma concentration (Cmax)
Pharmacokinetics (PK) of AT-527 (R07496998): AUCDay 1 vs Day 7Area under the concentration-time curve (AUC)

Countries

Canada

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026