Last updated: 05/22/2026 15:20:14

Study of GSK3511294 in healthy Chinese participants

GSK study ID
208021
Clinicaltrials.gov ID
EudraCT ID
Not applicable
EU CT Number
Not applicable
Trial status
Completed
Completed
Overview
Eligibility
Locations
Study documents
Results summary
Plain language summaries
Additional information

Trial overview

Official title: An open-label, single dose study to investigate the pharmacokinetics, safety, tolerability and immunogenicity of two dose levels of GSK3511294 administered subcutaneously in Chinese healthy participants
Trial description: This single dose pharmacokinetic (PK) study aims to investigate the PK, safety, tolerability and immunogenicity of two dose levels of GSK3511294 administered subcutaneously in Chinese healthy participants
Primary purpose:
Treatment
Trial design:
Sequential Assignment
Masking:
None (Open Label)
Allocation:
Non-randomized
Primary outcomes:

Area Under the Plasma Concentration-Time Curve (AUC) From Time Zero (Pre-Dose) Extrapolated to Infinite Time (AUC[0-Infinity]) of Depemokimab

Timeframe: Day 1 (Pre-dose, 2h, and 8h Post-dose), Day 2, Day 3, Day 5, Day 8, Day 15, Day 29, Day 57, Day 85, Day 127, Day 169, and Day 183

AUC From Time 0 (Pre-Dose) to Last Time of Quantifiable Concentration Within a Participant across all Treatments (AUC[0-T]) of Depemokimab

Timeframe: Day 1 (Pre-dose, 2h, and 8h Post-dose), Day 2, Day 3, Day 5, Day 8, Day 15, Day 29, Day 57, Day 85, Day 127, Day 169, and Day 183

AUC From Time 0 (Pre-dose) to Week 4 (AUC[0-Week 4]) of Depemokimab

Timeframe: Pre-dose (Day 1); 2 hours (h), 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, and 29

AUC From Time 0 (Pre-dose) To Week 12 (AUC[0-Week 12]) Of Depemokimab

Timeframe: Pre-dose (Day 1); 2 h, 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, 29, 57, and 85

AUC From Time 0 (Pre-dose) To Week 26 [AUC(0-Week 26)] of Depemokimab

Timeframe: Pre-dose (Day 1); 2 hours (h), 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, 29, 57, 85, 127, 169, and 183

Percentage Of AUC(0-Infinity) Obtained by Extrapolation (%AUCex) of Depemokimab

Timeframe: Pre-dose (Day 1); 2 hours (h), 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, 29, 57, 85, 127, 169, and 183

Maximum Observed Plasma Concentration (Cmax) of Depemokimab

Timeframe: Pre-dose (Day 1); 2 hours (h), 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, 29, 57, 85, 127, 169, and 183

Time of Occurrence of Cmax (Tmax) Of Depemokimab

Timeframe: Pre-dose (Day 1); 2 hours (h), 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, 29, 57, 85, 127, 169, and 183

Time To Last Quantifiable Concentration (Tlast) of Depemokimab

Timeframe: Pre-dose (day 1); 2 hours (h), 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, 29, 57, 85, 127, 169, and 183

Apparent Clearance (CL/F) of Depemokimab

Timeframe: Pre-dose (Day 1); 2 hours (h), 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, 29, 57, 85, 127, 169, and 183

Apparent Volume of Distribution (Vz/F) of Depemokimab

Timeframe: Pre-dose (Day 1); 2 hours (h), 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, 29, 57, 85, 127, 169, and 183

Terminal Elimination Rate Constant (Lambda Z) of Depemokimab

Timeframe: Pre-dose (Day 1); 2 hours (h), 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, 29, 57, 85, 127, 169, and 183

Terminal Phase Half-Life (T1/2) of Depemokimab

Timeframe: Pre-dose (Day 1); 2 hours (h), 8 h, 24 h, and 48 h post-dose; Days 5, 8, 15, 29, 57, 85, 127, 169, and 183

Secondary outcomes:

Number of Participants With Adverse Events (AE) And Serious Adverse Events (SAEs)

Timeframe: From the start of the study intervention (Day 1) up to Day 211 (End of follow-up)

Change From Baseline in Hematology Parameter: Basophils, Eosinophils, Lymphocytes, Monocytes, Neutrophils, Platelets, and Leukocytes

Timeframe: Baseline (Day -1), Days 2, 3, 5, Weeks 1, 2, 4, 8, 12, 18, 24 and Week 26

Change From Baseline in Hematology Parameter: Hemoglobin

Timeframe: Baseline (Day -1), Days 2, 3, 5, Weeks 1, 2, 4, 8, 12, 18, 24 and 26

Change From Baseline in Hematology Parameter: Hematocrit

Timeframe: Baseline (Day -1), Days 2, 3, 5, Weeks 1, 2, 4, 8, 12, 18, 24 and 26

Change From Baseline in Hematology Parameter: Mean Corpuscular Volume (MCV)

Timeframe: Baseline (Day -1), Days 2, 3, 5, Weeks 1, 2, 4, 8, 12, 18, 24 and 26

Change From Baseline in Hematology Parameter: Mean Corpuscular Hemoglobin (MCH)

Timeframe: Baseline (Day -1), Days 2, 3, 5, Weeks 1, 2, 4, 8, 12, 18, 24 and 26

Change From Baseline in Hematology Parameter: Reticulocytes

Timeframe: Baseline (Day -1), Days 2, 3, 5, Weeks 1, 2, 4, 8, 12, 18, 24 and Week 26

Change From Baseline In Hematology Parameter: Erythrocytes

Timeframe: Baseline (Day -1), Days 2, 3, 5, Weeks 1, 2, 4, 8, 12, 18, 24 and Week 26

Change From Baseline in Clinical Chemistry Parameters: Sodium, Potassium, Calcium, Glucose And Urea

Timeframe: Baseline (Pre-dose on Day -1), Week 1, 4, 8, 12, 24 and Week 26

Change From Baseline in Clinical Chemistry Parameter: Direct bilirubin, Bilirubin, and Creatinine

Timeframe: Baseline (Day -1), Week 1, 4, 8, 12, 24 and Week 26

Change From Baseline in Clinical Chemistry Parameters: Alkaline Phosphate (ALP), Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), and Gamma Glutamyl Transferase (GGT)

Timeframe: Baseline (Day -1), Week 1, 4, 8, 12, 24 and Week 26

Change From Baseline In Clinical Chemistry Parameter of Albumin and Total Protein

Timeframe: Baseline (Day -1), Week 1, 4, 8, 12, 24 and Week 26

Absolute Values of Complement C3 And C4 at Each Timepoint

Timeframe: Baseline (Day -1), Week 1, 4, 8, 12, 24 and Week 26

Ratio to Baseline at Each Timepoint of Complement C3 And C4

Timeframe: Baseline (Day -1), Week 1, 4, 8, 12, 24 and Week 26

Change from Baseline in Systolic and Diastolic Blood Pressure

Timeframe: Baseline (Day -1), Day 1 (2 hours), Day 1 (8 hours), Days 2, 3, 5, Weeks 1, 2, 4, 8, 12, 18, 24 and 26

Change from Baseline in Body Temperature

Timeframe: Baseline (Day -1), Day 1 (2 hours), Day 1 (8 hours), Day 2, 3, 5, Week 1, 2, 4, 8, 12, 18, 24 and 26

Change from Baseline in Pulse Rate

Timeframe: Baseline (Day -1), Day 1 (2 hour), Day 1 (8 hour), Day 2, 3, 5, Week 1, 4, 8, 12, 18, 24 and Week 26

Change From Baseline in ECG Parameters: PR Interval, Aggregate, QRS Duration, Aggregate, QT Interval, Aggregate, QTcF Interval, Aggregate

Timeframe: Baseline (Day -1), Day 1 (2 hour), Day 1 (8 hour), Day 2, 3, 5, Week 1, 4, 8, 12, 18, 24 and Week 26

Number of Participants with Positive Anti-drug Antibodies (ADAs) Against Depemokimab

Timeframe: Day 1 (Pre-dose), Week 4, Week 12, and Week 26

Titres of Binding ADA's to Depemokimab

Timeframe: Up to Week 26

Interventions:
Biological/vaccine: Depemokimab
Enrollment:
20
Observational study model:
Not applicable
Primary completion date:
2022-23-12
Time perspective:
Not applicable
Clinical publications:
Not applicable
Medical condition
Asthma
Product
Not applicable
Collaborators
Not applicable
Study date(s)
December 2021 to December 2022
Type
Interventional
Phase
1

Participation criteria

Sex
Female & Male
Age
18 - 45 Years
Accepts healthy volunteers
Yes
  • Participant between 18 to 45 years of age.
  • Participants who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, electrocardiograms and vital signs.
  • Participant is pregnant, breastfeeding, or a woman of childbearing potential
  • History or presence of cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, hematological, or neurological disorders capable of significantly altering the absorption, metabolism, or elimination of drugs

Trial location(s)

Location
Status
Contact us
Contact us
Location
GSK Investigational Site
Hangzhou, China, 310006
Status
Study Complete

Study documents

Study report synopsis
Available language(s): English
Protocol
Available language(s): English
Statistical analysis plan
Available language(s): English

If you wish to request for full study report, please contact - [email protected]

Results overview

Results posted on ClinicalTrials.gov

Recruitment status
Completed
Actual primary completion date
2022-23-12
Actual study completion date
2022-23-12

Plain language summaries

Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.

Additional information about the trial

Additional information
Not applicable
Participate in clinical trial
Access to clinical trial data by researchers
Visit website