Drug-drug Interaction Study of Omeprazole and Bemnifosbuvir/Ruzasvir

NCT ID: NCT07007806

Last Updated: 2025-08-29

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-05-09

Study Completion Date

2025-06-28

Brief Summary

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Drug-drug interaction study between Omeprazole and Bemnifosbuvir/Ruzasvir (BEM/RZR)

Detailed Description

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Conditions

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Healthy Volunteer Study

Study Design

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Allocation Method

NA

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Arm (n=20)

Group Type EXPERIMENTAL

Treatment A-Bemnifosbuvir/Ruzasvir FDC administered fasting

Intervention Type DRUG

On day 1 single 550 mg/180 mg dose BEM/RZR FDC (2 × 275 mg/90 mg FDC tablets) will be administered under fasting conditions.

Treatment B-Omeprazole 20 mg dose administered fasting

Intervention Type DRUG

On Day 4 to Day 13, a 20 mg dose omeprazole (1 × 20 mg) will be administered QD under fasting conditions.

Treatment C-Bemnifosbuvir/Ruzasvir FDC administered simultaneously with 20 mg dose of Omeprazole fasting

Intervention Type DRUG

On Day 8, a single 550 mg/180 mg dose BEM/RZR FDC (2 × 275 mg/90 mg FDC tablets) will be administered under fasting conditions simultaneously with a 20 mg dose omeprazole (1 × 20 mg).

Treatment D-Bemnifosbuvir/Ruzasvir FDC administered 0.5 hour prior to 20 mg dose of Omeprazole

Intervention Type DRUG

On Day 13, a single 550 mg/180 mg dose BEM/RZR FDC (2 × 275 mg/90 mg FDC tablets) will be administered 0.5 hour before the administration of a 20 mg dose omeprazole (1 × 20 mg).

Treatment E-Omeprazole 40 mg administered fasting

Intervention Type DRUG

On Day 14 to Day 22, a 40 mg dose omeprazole (2 × 20 mg) will be administered QD under fasting conditions.

Treatment F-Bemnifosbuvir/Ruzasvir FDC administered 2 hours after 40 mg dose Omeprazole

Intervention Type DRUG

On Day 18, a single 550 mg/180 mg dose BEM/RZR FDC (2 × 275 mg/90 mg FDC tablets) will be administered 2 hours after the administration of a 40 mg dose omeprazole (2 × 20 mg).

Interventions

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Treatment A-Bemnifosbuvir/Ruzasvir FDC administered fasting

On day 1 single 550 mg/180 mg dose BEM/RZR FDC (2 × 275 mg/90 mg FDC tablets) will be administered under fasting conditions.

Intervention Type DRUG

Treatment B-Omeprazole 20 mg dose administered fasting

On Day 4 to Day 13, a 20 mg dose omeprazole (1 × 20 mg) will be administered QD under fasting conditions.

Intervention Type DRUG

Treatment C-Bemnifosbuvir/Ruzasvir FDC administered simultaneously with 20 mg dose of Omeprazole fasting

On Day 8, a single 550 mg/180 mg dose BEM/RZR FDC (2 × 275 mg/90 mg FDC tablets) will be administered under fasting conditions simultaneously with a 20 mg dose omeprazole (1 × 20 mg).

Intervention Type DRUG

Treatment D-Bemnifosbuvir/Ruzasvir FDC administered 0.5 hour prior to 20 mg dose of Omeprazole

On Day 13, a single 550 mg/180 mg dose BEM/RZR FDC (2 × 275 mg/90 mg FDC tablets) will be administered 0.5 hour before the administration of a 20 mg dose omeprazole (1 × 20 mg).

Intervention Type DRUG

Treatment E-Omeprazole 40 mg administered fasting

On Day 14 to Day 22, a 40 mg dose omeprazole (2 × 20 mg) will be administered QD under fasting conditions.

Intervention Type DRUG

Treatment F-Bemnifosbuvir/Ruzasvir FDC administered 2 hours after 40 mg dose Omeprazole

On Day 18, a single 550 mg/180 mg dose BEM/RZR FDC (2 × 275 mg/90 mg FDC tablets) will be administered 2 hours after the administration of a 40 mg dose omeprazole (2 × 20 mg).

Intervention Type DRUG

Other Intervention Names

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BEM/RZR FDC BEM (AT-527)/RZR (AT-038) Omeprazole Prilosec® BEM/RZR and Omeprazole BEM (AT-527)/RZR (AT-038) and Prilosec® BEM/RZR and Omeprazole BEM (AT-527)/RZR (AT-038) and Prilosec® Omeprazole Prilosec® BEM/RZR and Omeprazole BEM (AT-527)/RZR (AT-038) and Prilosec®

Eligibility Criteria

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Inclusion Criteria

* Must agree to use acceptable contraceptive methods through at least 90 days after the last dose of study drug.
* Minimum body weight of 50 kg and body mass index (BMI) of 18.5-30 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.
Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Atea Pharmaceuticals, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Atea Study Site

Cypress, California, United States

Site Status

Countries

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United States

Other Identifiers

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AT-01B-011

Identifier Type: -

Identifier Source: org_study_id

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