A Phase 1 Study of Human Monoclonal Antibodies, BRII-196 and BRII-198
A Phase 1 Randomized, Single-blind, Placebo-controlled, Single Ascending Dose Escalation Study of the Safety, Tolerability, and Pharmacokinetics of Human Monoclonal Antibodies, Brii-196 and BRII-198, Administered Intravenously to Healthy Adult Volunteers
1 other identifier
interventional
12
1 country
1
Brief Summary
This is a phase 1 study in which healthy adult volunteers will receive BRII-196/BRII-198 or placebo and will be assessed for safety, tolerability, and pharmacokinetics.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1 covid19
Started Jan 2021
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 17, 2020
CompletedFirst Posted
Study publicly available on registry
December 31, 2020
CompletedStudy Start
First participant enrolled
January 5, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 16, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
September 16, 2021
CompletedMarch 3, 2023
March 1, 2023
8 months
December 17, 2020
March 2, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Incidence of adverse events (AEs) by CTCAE v5.0
up to 24 weeks
Proportion of subjects with SAEs
up to 24 weeks
Secondary Outcomes (8)
Proportion of subjects with infusion-related reactions
up to 24 weeks
Proportion of subjects with hypersensitivity reactions
up to 24 weeks
Mean of change from pre-dose baseline in ECG readings
up to 24 weeks
Mean of change from pre-dose baseline in WBC count.
up to 24 weeks
Mean of change from pre-dose baseline in RBC count
up to 24 weeks
- +3 more secondary outcomes
Study Arms (2)
Cohort 1
EXPERIMENTALBRII-196 and BRII-198 dose level 1 or placebo
Cohort 2
EXPERIMENTALBRII-196 and BRII-198 dose level 2 or placebo
Interventions
Eligibility Criteria
You may qualify if:
- Subject must be 18 to 49 years of age inclusive
- Body weight ≤100 kg and body mass index (BMI) within the range of 19.0-26.0kg/m2 (inclusive).
- Male or female
You may not qualify if:
- Any clinically significant chronic or acute medical condition that makes the volunteer unsuitable for participation.
- A history of significant hypersensitivity, intolerance, or allergy to any drug compound
- History of alcohol or other substance abuse
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Brii Biosciences Limitedlead
- TSB Therapeutics (Beijing) CO.LTDcollaborator
Study Sites (1)
Investigative Site
Beijing, Beijing Municipality, 100015, China
Related Publications (2)
Hao X, Zhang Z, Ma J, Cheng L, Ji Y, Liu Y, Zhao D, Zhang W, Li C, Yan L, Margolis D, Zhu Q, Zhang Y, Zhang F. Randomized, placebo-controlled, single-blind phase 1 studies of the safety, tolerability, and pharmacokinetics of BRII-196 and BRII-198, SARS-CoV-2 spike-targeting monoclonal antibodies with an extended half-life in healthy adults. Front Pharmacol. 2022 Sep 6;13:983505. doi: 10.3389/fphar.2022.983505. eCollection 2022.
PMID: 36147329DERIVEDKreuzberger N, Hirsch C, Chai KL, Tomlinson E, Khosravi Z, Popp M, Neidhardt M, Piechotta V, Salomon S, Valk SJ, Monsef I, Schmaderer C, Wood EM, So-Osman C, Roberts DJ, McQuilten Z, Estcourt LJ, Skoetz N. SARS-CoV-2-neutralising monoclonal antibodies for treatment of COVID-19. Cochrane Database Syst Rev. 2021 Sep 2;9(9):CD013825. doi: 10.1002/14651858.CD013825.pub2.
PMID: 34473343DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Yao Zhang
TSB Therapeutics (Beijing) CO.LTD
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 17, 2020
First Posted
December 31, 2020
Study Start
January 5, 2021
Primary Completion
September 16, 2021
Study Completion
September 16, 2021
Last Updated
March 3, 2023
Record last verified: 2023-03
Data Sharing
- IPD Sharing
- Will not share