The aim of the study is to gather information on how the drug behaves in healthy adults, how it is absorbed, and how it interacts when taken with other medicines.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
124
VH4524184 will be administered.
Itraconazole will be administered.
Rifabutin will be administered.
GSK Investigational Site
Lenexa, Kansas, United States
RECRUITINGGSK Investigational Site
Salt Lake City, Utah, United States
RECRUITINGPart 1: Maximum plasma concentration (Cmax) for VH4524184
Time frame: Up to Day 18
Part 1: Area under the concentration-time curve from 0 to tau (AUC0-t) for VH4524184
Time frame: Up to day 18
Part 1: Area under the concentration-time curve from 0 to infinity (AUC0-inf) for VH4524184
Time frame: Up to day 18
Part 2: Cmax for VH4524184
Time frame: At Day 1, Day 14, Day 19 and Day 22
Part 2: AUC0-t of VH4524184
Time frame: At Day 1, Day 14, Day 19 and Day 22
Part 2: AUC0-inf of VH4524184
Time frame: At Day 1, Day 14, Day 19 and Day 22
Part 2: Cmax for metformin
Time frame: At Day 1 and Day 15
Part 2: AUC0-t for metformin
Time frame: At Day 1 and Day 15
Part 2: Cmax for Digoxin
Time frame: At Day 1 and Day 15
Part 2: AUC0-t for Digoxin
Time frame: At Day 1 and Day 15
Number of participants with adverse events (AEs) and severity of AEs
An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of a study intervention, whether or not considered related to the study intervention. Severity of grades are defined as Grade 1= Mild, Grade 2= Moderate, Grade 3= Severe, Grade 4= Potentially Life- Threatening.
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Extended phenytoin sodium will be administered.
Metformin will be administered.
Digoxin will be administered.
Time frame: From Day 1 up to Day 42
Number of participants with AEs leading to discontinuation of study intervention
Time frame: Throughout the study treatment period (from Day 1 up to Day 33)
Number of participants with Change in laboratory parameters
Time frame: From Day 1 up to Day 42
Number of participants with maximum toxicity grade increase from baseline in laboratory parameters
Toxicity is graded using the DAIDS criteria Version 2.1 where grades were defined based on numeric criteria as follows Grade 1: mild; Grade 2: moderate; Grade 3: severe or medically significant; Grade 4: potentially life-threatening. A higher grade indicates greater severity.
Time frame: From Day 1 up to Day 42
Part 1: Time to maximum concentration (Tmax) of VH4524184
Time frame: At Day 1
Part 1: Apparent Terminal Half Life (T1/2) of VH4524184
Time frame: At Day 1
Part 1: Apparent oral clearance (CL/F) of VH4524184
Time frame: At Day 1
Part 2: Tmax of VH4524184 Following Single-Dose Administration with CYP3A4 Inhibitors and Inducers (Itraconazole, Rifabutin, Phenytoin)
Time frame: At Day 1, Day 14, Day 19 and Day 22
Part 2: T1/2 of VH4524184 Following Single-Dose Administration with CYP3A4 Inhibitors and Inducers (Itraconazole, Rifabutin, Phenytoin)
Time frame: At Day 1, Day 14, Day 19 and Day 22
Part 2: CL/F of VH4524184 Following Single-Dose Administration with CYP3A4 Inhibitors and Inducers (Itraconazole, Rifabutin, Phenytoin)
Time frame: At Day 1, Day 14, Day 19 and Day 22
Part 2: Cmax for VH5424184 Following Comedication with Transporter Substrates with metformin and digoxin
Time frame: At Day 1 and Day 15
Part 2: AUC0-t for VH5424184 Following Comedication with Transporter Substrates metformin and digoxin
Time frame: At Day 1 and Day 15
Part 2: Cmax for Itraconazole Following Comedication with VH4524184
Time frame: At Day 1 and Day 14
Part 2: AUC0-t for Itraconazole Following Comedication with VH4524184
Time frame: At Day 1 and Day 14
Part 2: Cmax for Rifabutin Following Comedication with VH4524184
Time frame: At Day 1 and Day 11
Part 2: AUC0-t for Rifabutin Following Comedication with VH4524184
Time frame: At Day 1 and Day 19
Part 2: Cmax for Phenytoin Following Comedication with VH4524184
Time frame: Day 1 and Day 22
Part 2: AUC0-t for Phenytoin Following Comedication with VH4524184
Time frame: Day 1 and Day 22