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Safety, Tolerability, Pharmacokinetics (PK) and Pharmacodynamics (PD) of GSK2831781 After an Intravenous (IV) Dose in Healthy Japanese and Caucasian Subjects, and a Subcutaneous (SC) Dose in Healthy Caucasian Subjects

NCT03965533 · Status: COMPLETED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 36

Last updated 2020-11-18

Study results available
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Summary

This is a double-blind, placebo-controlled, randomized, parallel group, two-part study where single IV doses of GSK2831781 will be administered to healthy Japanese and Caucasian subjects in part A and SC doses will be administered to healthy Caucasian subjects in part B. GSK2831781 is a humanized, antibody-dependent cell cytotoxicity (ADCC) enhanced depleting monoclonal antibody that is specific to the lymphocyte activation gene-3 (LAG3) protein. LAG3 is a transmembrane receptor, which is upregulated on T cells following activation. The objective of the study is to assess the safety, tolerability, PK, PD and immunogenicity post administration of GSK2831781 in healthy subjects. The duration of the study is approximately 147 days for each subject enrolled. Approximately 36 subjects will be enrolled in the study, 16 subjects in Part A and 20 subjects in Part B.

Conditions

  • Healthy Volunteers

Interventions

DRUG

GSK2831781

GSK2831781 will be available as Dose-1 and Dose-2 as IV infusion or SC injection. Subjects will receive GSK2831781 Dose-1 IV diluted in 0.9% saline or GSK2831781 SC as multiples of Dose-2 SC.

DRUG

Placebo

Placebo will be 0.9% saline solution which will be administered in subjects as IV infusion or SC injection.

Sponsors & Collaborators

Principal Investigators

  • GSK Clinical Trials · GlaxoSmithKline

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
MALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2019-06-10
Primary Completion
2019-12-10
Completion
2019-12-10
FDA Drug
Yes

Countries

  • United Kingdom

Study Locations

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Drugs
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03965533 on ClinicalTrials.gov