Study of VIR-2218 With or Without Pegylated Interferon Alpha-2a for Treatment of Chronic Hepatitis B Virus Infection
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04412863 |
Recruitment Status :
Recruiting
First Posted : June 2, 2020
Last Update Posted : July 27, 2020
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Chronic Hepatitis B | Drug: VIR-2218 Drug: pegylated interferon-alfa 2a | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 105 participants |
Allocation: | Non-Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase 1/2 Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Antiviral Activity of VIR-2218 Alone or in Combination With Pegylated Interferon Alpha-2a |
Actual Study Start Date : | July 3, 2020 |
Estimated Primary Completion Date : | April 2024 |
Estimated Study Completion Date : | April 2024 |

Arm | Intervention/treatment |
---|---|
Experimental: Cohort 1d
VIR-2218 given by subcutaneous injection
|
Drug: VIR-2218
VIR-2218 given by subcutaneous injection |
Experimental: Cohort 2d
VIR-2218 and pegylated interferon-alfa 2a given by subcutaneous injection
|
Drug: VIR-2218
VIR-2218 given by subcutaneous injection Drug: pegylated interferon-alfa 2a pegylated interferon-alfa 2a given by subcutaneous injection
Other Names:
|
Experimental: Cohort 3d
VIR-2218 and pegylated interferon-alfa 2a given by subcutaneous injection
|
Drug: VIR-2218
VIR-2218 given by subcutaneous injection Drug: pegylated interferon-alfa 2a pegylated interferon-alfa 2a given by subcutaneous injection
Other Names:
|
Experimental: Cohort 1e
VIR-2218 given by subcutaneous injection
|
Drug: VIR-2218
VIR-2218 given by subcutaneous injection |
Experimental: Cohort 2e
VIR-2218 and pegylated interferon-alfa 2a given by subcutaneous injection
|
Drug: VIR-2218
VIR-2218 given by subcutaneous injection Drug: pegylated interferon-alfa 2a pegylated interferon-alfa 2a given by subcutaneous injection
Other Names:
|
Experimental: Cohort 3e
VIR-2218 and pegylated interferon-alfa 2a given by subcutaneous injection
|
Drug: VIR-2218
VIR-2218 given by subcutaneous injection Drug: pegylated interferon-alfa 2a pegylated interferon-alfa 2a given by subcutaneous injection
Other Names:
|
Experimental: Cohort 1f
VIR-2218 and pegylated interferon-alfa 2a given by subcutaneous injection
|
Drug: VIR-2218
VIR-2218 given by subcutaneous injection Drug: pegylated interferon-alfa 2a pegylated interferon-alfa 2a given by subcutaneous injection
Other Names:
|
- Number of subjects with Adverse Events as assessed by CTCAE v5.0 [ Time Frame: Up to 124 Weeks ]
- Number of subjects with abnormalities in vital signs, electrocardiogram (ECG), and clinically significant laboratory findings [ Time Frame: Up to 124 Weeks ]
- Mean maximum reduction of serum HBsAg at any timepoint [ Time Frame: Up to 120 Weeks ]
- Number of subjects with serum HBsAg loss (undetectable HBsAg) at any timepoint [ Time Frame: Up to 120 Weeks ]
- Number of subjects with sustained serum HBsAg loss (undetectable HBsAg) for greater than 6 months [ Time Frame: Up to 120 Weeks ]
- Number of subjects with anti-HBs seroconversion at any timepoint [ Time Frame: Up to 120 Weeks ]
- For HBeAg-positive subjects: number of subjects with HBeAg loss (undetectable HBeAg) and/or anti-HBe seroconversion at any timepoint [ Time Frame: Up to 72 weeks ]

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years to 65 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Male or female of non-childbearing potential age 18 - 65
- Chronic HBV infection for >/= 6 months
Exclusion Criteria:
- Any clinically significant chronic or acute medical condition that makes the volunteer unsuitable for participation
- Significant fibrosis or cirrhosis
- History or evidence of drug or alcohol abuse
- History of intolerance to SC injection
- History of chronic liver disease from any cause other than chronic HBV infection
- History of hepatic decompensation

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04412863
Contact: Study Inquiry | 415-654-5281 | clinicaltrials@vir.bio |
Australia, Queensland | |
Investigative Site | Not yet recruiting |
Birtinya, Queensland, Australia, 4575 | |
Australia, Victoria | |
Investigative Site | Not yet recruiting |
Fitzroy, Victoria, Australia, 3168 | |
Hong Kong | |
Investigative site | Not yet recruiting |
Hong Kong, Hong Kong | |
Korea, Republic of | |
Investigative Site | Not yet recruiting |
Busan, Korea, Republic of, 49241 | |
Investigative Site | Not yet recruiting |
Chuncheon, Korea, Republic of, 24253 | |
Investigative Site | Not yet recruiting |
Daegu, Korea, Republic of, 41944 | |
Investigative Site | Recruiting |
Seoul, Korea, Republic of, 03080 | |
Investigative Site | Recruiting |
Seoul, Korea, Republic of, 05505 | |
Investigative Site | Not yet recruiting |
Yangsan, Korea, Republic of, 50612 | |
Malaysia | |
Investigative Site | Not yet recruiting |
Batu Caves, Malaysia, 68100 | |
Investigative Site | Not yet recruiting |
Kajang, Malaysia, 43000 | |
Investigative Site | Not yet recruiting |
Kuala Lumpur, Malaysia, 59100 | |
Investigative Site | Not yet recruiting |
Kuantan, Malaysia, 25100 | |
New Zealand | |
Investigative Site | Recruiting |
Auckland, New Zealand, 1010 | |
Investigative Site | Recruiting |
Auckland, New Zealand, 2025 | |
Thailand | |
Investigative Site | Not yet recruiting |
Bangkok, Thailand, 10330 | |
Investigative Site | Not yet recruiting |
Bangkok, Thailand, 10400 | |
Investigative Site | Not yet recruiting |
Bangkok, Thailand, 10700 | |
Investigative Site | Not yet recruiting |
Chiang Mai, Thailand, 50200 | |
Investigative Site | Not yet recruiting |
Hat Yai, Thailand, 90110 | |
Investigative Site | Not yet recruiting |
Khlong Luang, Thailand, 12120 | |
Investigative Site | Not yet recruiting |
Khon Kaen, Thailand, 40002 |
Responsible Party: | Vir Biotechnology, Inc. |
ClinicalTrials.gov Identifier: | NCT04412863 |
Other Study ID Numbers: |
VIR-2218-1001-PEG-IFNα |
First Posted: | June 2, 2020 Key Record Dates |
Last Update Posted: | July 27, 2020 |
Last Verified: | July 2020 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | Yes |
Hepatitis B Virus Chronic Hepatitis B HBV Hepatitis |
Hepatitis A Hepatitis B Hepatitis B, Chronic Hepatitis Hepatitis, Chronic Liver Diseases Digestive System Diseases Hepatitis, Viral, Human Virus Diseases Enterovirus Infections Picornaviridae Infections RNA Virus Infections |
Hepadnaviridae Infections DNA Virus Infections Interferons Interferon-alpha Interferon alpha-2 Peginterferon alfa-2a Antineoplastic Agents Antiviral Agents Anti-Infective Agents Immunologic Factors Physiological Effects of Drugs |