A Study of GSK4527363 in Healthy Participants, Systemic Lupus Erythematosus (SLE) Participants and Healthy Chinese and Japanese Participants

NCT ID: NCT06576271

Last Updated: 2025-12-11

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

142 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-09-02

Study Completion Date

2028-01-11

Brief Summary

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This study will assess the safety, tolerability, pharmacokinetics, pharmacodynamics and immunogenicity of GSK4527363 in healthy participants (Part A), participants with active SLE (Part B), and healthy participants of Chinese and Japanese descent (Part C)

Detailed Description

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Conditions

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Systemic Lupus Erythematosus

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators
This will be a double-blind study.

Study Groups

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Part A: Healthy participants receiving GSK4527363

Group Type EXPERIMENTAL

GSK4527363

Intervention Type DRUG

GSK4527363 will be administered to participants.

Part A: Healthy participants receiving placebo matching GSK4527363

Group Type PLACEBO_COMPARATOR

Placebo matching GSK4527363

Intervention Type DRUG

Placebo matching GSK4527363 will be administered to participants.

Part A: Healthy participants receiving belimumab

Group Type EXPERIMENTAL

Belimumab

Intervention Type DRUG

Belimumab will be administered to participants.

Part B: Participants with SLE receiving GSK4527363

Group Type EXPERIMENTAL

GSK4527363

Intervention Type DRUG

GSK4527363 will be administered to participants.

Part B: Participants with SLE receiving belimumab

Group Type EXPERIMENTAL

Belimumab

Intervention Type DRUG

Belimumab will be administered to participants.

Part C: Healthy Japanese participants receiving GSK4527363

Group Type EXPERIMENTAL

GSK4527363

Intervention Type DRUG

GSK4527363 will be administered to participants.

Part C: Healthy Japanese participants receiving placebo matching GSK4527363

Group Type PLACEBO_COMPARATOR

Placebo matching GSK4527363

Intervention Type DRUG

Placebo matching GSK4527363 will be administered to participants.

Part C: Healthy Chinese participants receiving GSK4527363

Group Type EXPERIMENTAL

GSK4527363

Intervention Type DRUG

GSK4527363 will be administered to participants.

Part C: Healthy Chinese participants receiving placebo matching GSK4527363

Group Type PLACEBO_COMPARATOR

Placebo matching GSK4527363

Intervention Type DRUG

Placebo matching GSK4527363 will be administered to participants.

Interventions

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GSK4527363

GSK4527363 will be administered to participants.

Intervention Type DRUG

Placebo matching GSK4527363

Placebo matching GSK4527363 will be administered to participants.

Intervention Type DRUG

Belimumab

Belimumab will be administered to participants.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

For Part A and Part C (Healthy Participants):

* 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).
* Body mass index (BMI) within the range 18-32 kilograms per square meter (kg/m\^2) (inclusive).
* Male or female of non-childbearing potential

For Part B (SLE participants):

* 18 to 65 years of age inclusive, at the time of signing the informed consent form
* Documented clinical diagnosis of SLE according to the (European alliance of associations of rheumatology \[EULAR\]/ American College of Rheumatology \[ACR\] SLE classification criteria)
* Body weight \>= 45 kg.
* BMI within the range 18-32 kg/m\^2 (inclusive).
* Male or female

Exclusion Criteria

For Part A and Part C (Healthy Participants):

* 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.
* Have a history of malignancy, or a strong family history of malignancies related to immunosuppression.
* Clinically significant multiple or severe drug allergies, intolerance to topical corticosteroids, or severe post-treatment hypersensitivity reactions.
* Abnormal blood pressure.
* Evidence of active or latent Tuberculosis (TB).
* Alanine transaminase (ALT) \>=1.1\* Upper limit of normal (ULN).
* Total bilirubin \>1.0\*ULN; Participants with Gilbert's syndrome can be included with total bilirubin \>=1.5\*ULN as long as direct bilirubin is \<=1.5\*ULN.
* Presence of Hepatitis B surface antigen (HBsAg) and Hepatitis B core antibody (HBcAb) at screening or within 3 months prior to first dose of study intervention.
* Positive hepatitis C antibody test result at screening or within 3 months prior to first dose of study intervention.
* Positive Hepatitis C Ribonucleic acid (RNA) test result at screening or within 3 months prior to first dose of study intervention.
* Positive Human immunodeficiency virus (HIV) antibody test at screening.
* Prior medical history of anaphylaxis.
* QT interval corrected for heart rate according to Fridericia's formula (QTcF) \>450 milliseconds (msec).
* Live vaccine(s) within 30 days before the dosing day or plans to receive such vaccines during the study.

For Part B (SLE participants):

* Any acute, severe lupus related flare during the Screening Period that needs immediate treatment.
* Have clinical evidence of significant unstable or uncontrolled acute or chronic diseases not due to SLE which, in the opinion of the principal investigator (PI), could confound the results of the clinical study or put the participant at undue risk.
* Have an acute or chronic infection requiring management as follows:

i. Currently on any suppressive therapy for a chronic infection such as pneumocystis, cytomegalovirus, herpes simplex virus, herpes zoster, or atypical mycobacteria.

ii. A serious infection requiring treatment with antibiotics and/or hospitalization if the last dose of antibiotics or the hospital discharge date was within 60 days of the first day of dosing (Day 1). Prophylactic anti-infective treatment is allowed.

* Evidence of active or latent TB.
* Confirmed Progressive Multifocal Leukoencephalopathy (PML) or unexplained new-onset or deteriorating neurologic signs and symptoms.
* ALT \>2\*ULN.
* Total bilirubin \>1.5\*ULN; Participants with Gilbert's syndrome can be included with total bilirubin \>1.5\*ULN as long as direct bilirubin is \>1.5\*ULN.
* Presence of HBsAg and/or HBcAb at screening or within 3 months prior to first dose of study intervention.
* Positive hepatitis C antibody test result at screening or within 3 months prior to first dose of study intervention.
* Positive hepatitis C RNA test result at screening or within 3 months prior to first dose of study intervention.
* History or positive test at Screening for HIV.
* QTcF \>450 msec.
* Solid or hematological malignancy or a history of malignancy (in the past 5 years) of except for basal cell or squamous cell in situ skin carcinomas, Cervical intraepithelial neoplasia (CIN) or carcinoma in situ of the cervix that have been resected with no evidence of metastatic disease for 3 years.
* Live or live-attenuated vaccine(s) within 30 days prior to Screening
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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GlaxoSmithKline

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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GSK Clinical Trials

Role: STUDY_DIRECTOR

GlaxoSmithKline

Locations

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GSK Investigational Site

Scottsdale, Arizona, United States

Site Status WITHDRAWN

GSK Investigational Site

Las Vegas, Nevada, United States

Site Status RECRUITING

GSK Investigational Site

Columbus, Ohio, United States

Site Status RECRUITING

GSK Investigational Site

Buenos Aires, , Argentina

Site Status RECRUITING

GSK Investigational Site

Rosario, , Argentina

Site Status RECRUITING

GSK Investigational Site

San Miguel de Tucumán, , Argentina

Site Status RECRUITING

GSK Investigational Site

Juiz de Fora, , Brazil

Site Status RECRUITING

GSK Investigational Site

Porto Alegre, , Brazil

Site Status RECRUITING

GSK Investigational Site

Salvador, , Brazil

Site Status RECRUITING

GSK Investigational Site

Bydgoszcz, , Poland

Site Status RECRUITING

GSK Investigational Site

Poznan, , Poland

Site Status RECRUITING

GSK Investigational Site

Warsaw, , Poland

Site Status RECRUITING

GSK Investigational Site

Wroclaw, , Poland

Site Status RECRUITING

GSK Investigational Site

Barcelona, , Spain

Site Status RECRUITING

GSK Investigational Site

Bilbao, , Spain

Site Status RECRUITING

GSK Investigational Site

Pamplona, , Spain

Site Status RECRUITING

GSK Investigational Site

Sabadell Barcelona, , Spain

Site Status RECRUITING

GSK Investigational Site

Valladolid, , Spain

Site Status RECRUITING

GSK Investigational Site

Cambridge, , United Kingdom

Site Status RECRUITING

GSK Investigational Site

Liverpool, , United Kingdom

Site Status RECRUITING

GSK Investigational Site

Middlesex, , United Kingdom

Site Status RECRUITING

Countries

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United States Argentina Brazil Poland Spain United Kingdom

Central Contacts

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US GSK Clinical Trials Call Center

Role: CONTACT

877-379-3718

EU GSK Clinical Trials Call Center

Role: CONTACT

+44 (0) 20 89904466

Facility Contacts

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US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

US GSK Clinical Trials Call Center

Role: primary

877-379-3718

EU GSK Clinical Trials Call Centre

Role: backup

+44 (0) 20 8990 4466

Other Identifiers

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221458

Identifier Type: -

Identifier Source: org_study_id

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