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A Phase 1 Study of Human Monoclonal Antibodies, BRII-196 and BRII-198

Primary Purpose

COVID-19

Status
Completed
Phase
Phase 1
Locations
China
Study Type
Interventional
Intervention
BRII-196 and BRII-198
Placebo
Sponsored by
Brii Biosciences Limited
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for COVID-19 focused on measuring COVID-19 phase I, monoclonal antibody

Eligibility Criteria

18 Years - 49 Years (Adult)All SexesAccepts Healthy Volunteers

Inclusion Criteria:

  1. Subject must be 18 to 49 years of age inclusive
  2. Body weight ≤100 kg and body mass index (BMI) within the range of 19.0-26.0kg/m2 (inclusive).
  3. Male or female

Exclusion Criteria:

  1. Any clinically significant chronic or acute medical condition that makes the volunteer unsuitable for participation.
  2. A history of significant hypersensitivity, intolerance, or allergy to any drug compound
  3. History of alcohol or other substance abuse

Sites / Locations

  • Investigative Site

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Experimental

Arm Label

Cohort 1

Cohort 2

Arm Description

BRII-196 and BRII-198 dose level 1 or placebo

BRII-196 and BRII-198 dose level 2 or placebo

Outcomes

Primary Outcome Measures

Incidence of adverse events (AEs) by CTCAE v5.0
Proportion of subjects with SAEs

Secondary Outcome Measures

Proportion of subjects with infusion-related reactions
Proportion of subjects with hypersensitivity reactions
Mean of change from pre-dose baseline in ECG readings
ECG readings include PR interval, RR interval, QRS interval, etc.
Mean of change from pre-dose baseline in WBC count.
Mean of change from pre-dose baseline in RBC count
Mean of change from pre-dose baseline in Platelets count
Mean of change from pre-dose baseline in Hemoglobin result
Serum Concentration of BRII-196 and BRII-198

Full Information

First Posted
December 17, 2020
Last Updated
March 2, 2023
Sponsor
Brii Biosciences Limited
Collaborators
TSB Therapeutics (Beijing) CO.LTD
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1. Study Identification

Unique Protocol Identification Number
NCT04691180
Brief Title
A Phase 1 Study of Human Monoclonal Antibodies, BRII-196 and BRII-198
Official Title
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
Study Type
Interventional

2. Study Status

Record Verification Date
March 2023
Overall Recruitment Status
Completed
Study Start Date
January 5, 2021 (Actual)
Primary Completion Date
September 16, 2021 (Actual)
Study Completion Date
September 16, 2021 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Brii Biosciences Limited
Collaborators
TSB Therapeutics (Beijing) CO.LTD

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

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.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
COVID-19
Keywords
COVID-19 phase I, monoclonal antibody

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 1
Interventional Study Model
Parallel Assignment
Masking
Participant
Allocation
Randomized
Enrollment
12 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Cohort 1
Arm Type
Experimental
Arm Description
BRII-196 and BRII-198 dose level 1 or placebo
Arm Title
Cohort 2
Arm Type
Experimental
Arm Description
BRII-196 and BRII-198 dose level 2 or placebo
Intervention Type
Drug
Intervention Name(s)
BRII-196 and BRII-198
Intervention Description
BRII-196 and BRII-198 given intravenously
Intervention Type
Drug
Intervention Name(s)
Placebo
Intervention Description
Placebo given intravenously
Primary Outcome Measure Information:
Title
Incidence of adverse events (AEs) by CTCAE v5.0
Time Frame
up to 24 weeks
Title
Proportion of subjects with SAEs
Time Frame
up to 24 weeks
Secondary Outcome Measure Information:
Title
Proportion of subjects with infusion-related reactions
Time Frame
up to 24 weeks
Title
Proportion of subjects with hypersensitivity reactions
Time Frame
up to 24 weeks
Title
Mean of change from pre-dose baseline in ECG readings
Description
ECG readings include PR interval, RR interval, QRS interval, etc.
Time Frame
up to 24 weeks
Title
Mean of change from pre-dose baseline in WBC count.
Time Frame
up to 24 weeks
Title
Mean of change from pre-dose baseline in RBC count
Time Frame
up to 24 weeks
Title
Mean of change from pre-dose baseline in Platelets count
Time Frame
up to 24 weeks
Title
Mean of change from pre-dose baseline in Hemoglobin result
Time Frame
up to 24 weeks
Title
Serum Concentration of BRII-196 and BRII-198
Time Frame
up to 24 weeks

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
49 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria: 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 Exclusion Criteria: 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
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Yao Zhang
Organizational Affiliation
TSB Therapeutics (Beijing) CO.LTD
Official's Role
Study Director
Facility Information:
Facility Name
Investigative Site
City
Beijing
State/Province
Beijing
ZIP/Postal Code
100015
Country
China

12. IPD Sharing Statement

Plan to Share IPD
No
Citations:
PubMed Identifier
36147329
Citation
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.
Results Reference
derived
PubMed Identifier
34473343
Citation
Kreuzberger 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.
Results Reference
derived

Learn more about this trial

A Phase 1 Study of Human Monoclonal Antibodies, BRII-196 and BRII-198

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