About this trial
This study will assess the safety, tolerability, pharmacokinetics, pharmacodynamics and immunogenicity of GSK4527363 in healthy participants (Part A), participants with active SLE (Part B), healthy participants of Chinese and Japanese descent (Part C), and participants with interstitial lung disease associated with connective tissue disease (Part D)
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Participant must be 18 to 55 years of age inclusive, at the time of signing the informed consent form
Participants who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, and cardiac monitoring (vital signs and 12-lead ECG)
Part C only: Be of Japanese (Cohort C1) or Chinese (Cohort C2) ancestry i. Born in Japan (Cohort C1) or China mainland, Hong Kong or Taiwan (Cohort C2); and ii. Descendent of 2 ethnic Japanese (Cohort C1) or Chinese (Cohort C2) parents and 4 ethnic grandparents; and iii. Have lived outside Japan (Cohort C1) or China mainland, Hong Kong or Taiwan (Cohort C2) for less than 10 years at the time of screening
Body weight greater than or equals to (>=) 45 kilograms (kg)
Disqualifiers
History or presence or cardiovascular, respiratory, hepatic, renal, gastrointestinal, endocrine, hematologic, or neurological disorders
A history of recurrent infections, or treatment of a chronic infection within 3 months prior to the first dose of study drug
Any acute infection (including upper respiratory tract infections and urinary tract infections) which has not fully resolved within four weeks before dosing
Symptomatic herpes zoster within 3 months prior to screening
Trial design
Parallel
Treatments tested in this trial
GSK4527363
DrugGSK4527363 will be administered to participants.
Placebo matching GSK4527363
DrugPlacebo matching GSK4527363 will be administered to participants.
Belimumab
DrugBelimumab will be administered to participants.
Treatment groups
10
Treatment groupsSee each treatment group below.
Trial outcomes
Primary outcomes
Parts A and C: Number of Participants with Non-serious Adverse Events and Serious Adverse Events
Parts B and D: Number of Participants with Non-serious Adverse Events and Serious Adverse Events
Parts A and C: Number of Participants with Clinically Significant Changes in Physical Examination, Laboratory Parameters, Vital Signs, and 12 lead Electrocardiogram (ECG) Findings
Parts B and D: Number of Participants with Clinically Significant Changes in Physical Examination, Laboratory Parameters, Vital Signs, and 12 lead Electrocardiogram (ECG) Findings
Secondary outcomes
Parts A and C: Area Under the Concentration-time Curve to the Last Quantifiable Concentration (AUC[0-t]) of GSK4527363
Parts A and C: Area Under the Concentration-time Curve to Infinity (AUC[0-inf]) of GSK4527363
Parts A and C: Maximum Plasma Concentration (Cmax) of GSK4527363
Parts A and C: Apparent Terminal Phase Half-life (t1/2) of GSK4527363
Sponsors and contacts
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