A Study to Evaluate the Efficacy and Safety of VIB4920 in Participants With Sj gren's Syndrome

  • End date
    Jun 3, 2023
  • participants needed
  • sponsor
    Viela Bio
Updated on 7 October 2021


The purpose of the study is to evaluate the efficacy, safety, and tolerability of VIB4920 (formerly MEDI4920) in adult participants with Sjgren's Syndrome (SS).


The study will enrol 2 SS populations: Population 1 will include participants with moderate to high systemic disease activity defined by European League Against Rheumatism (EULAR) Sjgren's Syndrome Disease Activity Index (ESSDAI) >= 5; Population 2 will include participants with moderate to severe subjective symptoms defined by EULAR Sjgren's Syndrome Patient Reported Index (ESSPRI) score >= 5 and residual stimulated salivary flow but with mild systemic disease activity defined by ESSDAI score < 5. This study will include 3 periods: screening (4 weeks), treatment period (40 Weeks) and follow-up period (12 weeks). In the treatment period, participants from each of the populations will be randomized at 1:1 ratio to receive intravenous (IV) dose of VIB4920 or placebo (Stage I). After completion of Stage I, participants randomized to VIB4920 in Stage I will receive placebo and participants randomized to placebo in Stage I will receive VIB4920 (Stage II). Participants who had study drug discontinuation will not be eligible for treatment during Stage II. All participants will be followed for at least 12 weeks after their last dose of study drug administration.

Condition Sjogren's Syndrome, Sicca Syndrome
Treatment Placebo, VIB4920
Clinical Study IdentifierNCT04129164
SponsorViela Bio
Last Modified on7 October 2021


Yes No Not Sure

Inclusion Criteria

Diagnosed with SS by meeting the 2016 American College of Rheumatology (ACR)/EULAR Classification Criteria
Residual salivary gland function as defined by whole stimulated salivary flow > 0.1 mL/min (only for Population 2)
Have an ESSDAI score of >= 5 at screening; (not including the peripheral nervous system, central nervous system, and pulmonary domains) (only for Population 1)
Have an ESSPRI score of >= 5 at screening (only for Population 2)
Have an ESSDAI score of < 5 at screening (only for Population 2)
Positive for either anti-Ro autoantibodies or rheumatoid factor, or both at screening
Male and female participants who agree to follow protocol defined contraceptive methods
No active or untreated latent tuberculosis (TB)

Exclusion Criteria

Medical history of confirmed deep venous thrombosis or arterial thromboembolism within 2 years of signing the informed consent form (ICF)
Risk factors for venous thromboembolism or arterial thrombosis, prothrombotic status
Concomitant polymyositis or dermatomyositis or systemic sclerosis
Active malignancy or history of malignancy, except in situ carcinoma of the cervix and cutaneous basal cell carcinoma
Hepatitis B, hepatitis C, or human immunodeficiency virus infection
More than one episode of herpes zoster and/or an opportunistic infection in the last 12 months
Active viral, bacterial, or other infections or history of more than 2 infections requiring intravenous antibiotics within 12 months prior to signing the ICF
Participants with corona virus disease 2019 (COVID-19) infection or who, in the judgment of the investigator, are at unacceptable risk of COVID-19 or its complications
A documented positive severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) test within 2 weeks prior to randomization
Received live (attenuated) vaccine within the 4 weeks prior to ICF signature
Treated with any biologic B-cell-depleting therapy within 12 months or other B-cell targeting therapy < 3 months before randomization
Injectable corticosteroids (including intraarticular) or treatment with > 10 mg/day dose oral prednisone or equivalent within 6 weeks prior to randomization (only for Population 1)
Treated with systemic corticosteroids for indications other than SS, rheumatoid arthritis (RA), and systemic lupus erythematosus (SLE) for more than a total of 2 weeks within 24 weeks prior to screening visit (only for Population 1)
Received previous treatment with anti-CD40L compounds at any time before screening
Pregnant or lactating or planning to get pregnant during the duration of the study
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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