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Evaluation of the Effects of Omeprazole and Rifampin on the Pharmacokinetics of VX-548 in Healthy Participants

Phase 1
Completed
Conditions
Pain
Interventions
Registration Number
NCT05635110
Lead Sponsor
Vertex Pharmaceuticals Incorporated
Brief Summary

The purpose of this study is to evaluate the pharmacokinetics and safety of VX-548 and its metabolite in the absence and presence of omeprazole or rifampin, in healthy participants.

Detailed Description

This clinical trial information was submitted voluntarily under the applicable law and, therefore, certain submission deadlines may not apply. (That is, clinical trial information for this applicable clinical trial was submitted under section 402(j)(4) (A) of the Public Health Service Act and 42 CFR 11.60 and is not subject to the deadlines established by sections 402(j)(2) and (3) of the Public Health Service Act or 42 CFR 11.24 and 11.44.).

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
31
Inclusion Criteria
  • Body mass index (BMI) of 18.0 to 32.0 kilogram per meter square (kg/m^2)
  • A total body weight greater than (>) 50 kg

Key

Exclusion Criteria
  • History of febrile illness or other acute illness that has not fully resolved within 14 days before the first dose of study drug
  • Any condition possibly affecting drug absorption
  • History of cardiovascular disease
  • Participants of child-bearing potential

Other protocol defined Inclusion/Exclusion criteria may apply.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Part AVX-548Participants will receive a single dose of VX-548 on Day 1 and a single dose of omeprazole once daily (qd) on Days 10 through Day 12. On Day 13, participants will receive omeprazole followed by VX-548 under fasted conditions.
Part BVX-548Participants will receive a single dose of VX-548 on Day 1 followed by rifampin qd on Days 10 through Day 27. On Day 19, participants will be co-administered rifampin and VX-548 under fasted conditions.
Part AOmeprazoleParticipants will receive a single dose of VX-548 on Day 1 and a single dose of omeprazole once daily (qd) on Days 10 through Day 12. On Day 13, participants will receive omeprazole followed by VX-548 under fasted conditions.
Part BRifampinParticipants will receive a single dose of VX-548 on Day 1 followed by rifampin qd on Days 10 through Day 27. On Day 19, participants will be co-administered rifampin and VX-548 under fasted conditions.
Primary Outcome Measures
NameTimeMethod
Part B: Maximum Observed Plasma Concentration (Cmax) of VX-548 and its Metabolite in the Absence and Presence of RifampinDay 1 up to Day 28
Part B: Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of VX-548 and its Metabolite in the Absence and Presence of RifampinDay 1 up to Day 28
Part A: Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of VX-548 and its Metabolite in the Absence and Presence of OmeprazoleDay 1 up to Day 22
Part A: Maximum Observed Plasma Concentration (Cmax) of VX-548 and its Metabolite in the Absence and Presence of OmeprazoleDay 1 up to Day 22
Secondary Outcome Measures
NameTimeMethod
Part A:Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Day 1 through Safety Follow-up Visit (up to 28 days)
Part B: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Day 1 through Safety Follow-up Visit (up to 34 days)

Trial Locations

Locations (1)

CMAX Clinical Research

🇦🇺

Adelaide, Australia

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