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A Multicentre, Randomized, Double-Blind, Placebo Controlled, Dose Finding, Parallel Group, Phase 2 study of an anti-TSLP Antibody (GSK5784283) in Adults aged 18 to 75 years of age with Uncontrolled Asthma

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-518321-15-00
Acronym
223125
Enrollment
136
Registered
2025-04-30
Start date
2025-05-30
Completion date
Unknown
Last updated
2025-10-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Asthma

Brief summary

FeNO (ppb) over 26 Weeks.

Detailed description

Part A Dose Finding: Blood eosinophil counts over 26 Weeks., Part A Dose Finding: Lung function as measured by pre-and postbronchodilator forced expiratory volume (FEV1) and forced vital capacity (FVC) over 26 Weeks., Part A Dose Finding: Asthma Control Questionnaire (ACQ-5) over 26 Weeks., Part A Dose Finding: Maximum change from baseline in FeNO, blood eosinophil count, FEV1 and ACQ-5 over 26 Weeks, Part A Dose Finding: PK parameters of GSK5784283: maximum value (Cmax), time of Cmax (tmax), and area under the curve over the dosing interval (AUC0-tau) at Week 26, Part B Extension: Change from baseline in FeNO and blood eosinophil counts at Week 52 and other prespecified timepoints according to SoA, Part B Extension: Change from baseline in lung function as measured by pre- and post-bronchodilator FEV1 and FVC at Week 52 and other pre-specified timepoints according to SoA, Part B Extension: Change from baseline in ACQ-5 at Week 52 and other pre-specified timepoints according to the SoA, Part B Extension: Ratio to baseline in FeNO and blood eosinophil counts at Week 52 and other pre-specified timepoints according to SoA

Interventions

DRUGPlacebo for GSK5784283.

Sponsors

Glaxosmithkline Research & Development Limited
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
FeNO (ppb) over 26 Weeks.

Secondary

MeasureTime frame
Part A Dose Finding: Blood eosinophil counts over 26 Weeks., Part A Dose Finding: Lung function as measured by pre-and postbronchodilator forced expiratory volume (FEV1) and forced vital capacity (FVC) over 26 Weeks., Part A Dose Finding: Asthma Control Questionnaire (ACQ-5) over 26 Weeks., Part A Dose Finding: Maximum change from baseline in FeNO, blood eosinophil count, FEV1 and ACQ-5 over 26 Weeks, Part A Dose Finding: PK parameters of GSK5784283: maximum value (Cmax), time of Cmax (tmax), and area under the curve over the dosing interval (AUC0-tau) at Week 26, Part B Extension: Change from baseline in FeNO and blood eosinophil counts at Week 52 and other prespecified timepoints according to SoA, Part B Extension: Change from baseline in lung function as measured by pre- and post-bronchodilator FEV1 and FVC at Week 52 and other pre-specified timepoints according to SoA, Part B Extension: Change from baseline in ACQ-5 at Week 52 and other pre-specified timepoints according to the SoA

Countries

Bulgaria, Czechia, Germany, Romania, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026