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Pharmacokinetics and Safety Assessment of VX-121/Tezacaftor/Deutivacaftor in Participants With Moderate Hepatic Impairment

A Phase 1, Open-label Study to Assess the Pharmacokinetics and Safety of a Single Dose of VX-121/Tezacaftor/Deutivacaftor in Subjects With Moderate Hepatic Impairment and in Matched Healthy Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05437120
Enrollment
16
Registered
2022-06-29
Start date
2022-07-22
Completion date
2023-03-16
Last updated
2023-03-30

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

Conditions

Cystic Fibrosis

Brief summary

The purpose of this study is to evaluate the pharmacokinetics (PK) and safety of VX-121/tezacaftor/deutivacaftor (VX-121/TEZ/D-IVA) in participants with moderate hepatic impairment and in matched 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.).

Interventions

Fixed-dose combination tablets for oral administration.

Sponsors

Vertex Pharmaceuticals Incorporated
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
BASIC_SCIENCE
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
Yes

Inclusion criteria

Key Inclusion Criteria: * Cohort 1: Participants with Moderate Hepatic Impairment * Participants will satisfy the criteria for moderate hepatic impairment defined as a Child-Pugh total score of 7 to 9 points at the screening visit * Participants will have chronic (≥6 months) documented liver disease * Cohort 2: Matched Healthy Participants * Participants will be matched during screening to participants with hepatic impairment for cigarette smoking habit, age, sex, and weight Key

Exclusion criteria

* Cohort 1: Participants with Moderate Hepatic Impairment * History of febrile illness or other acute illness * History of solid organ or bone marrow transplantation * History or presence of severe hepatic encephalopathy (Grade \>2) * Any condition possibly affecting drug absorption * Severe portal hypertension * Significant renal dysfunction (creatinine clearance \<50 milliliter per minute \[mL/min\] ) estimated according to the method of Cockcroft and Gault at the screening Visit or Day-1 * Cohort 2: Matched Healthy Participants * History of febrile illness or other acute illness * Any condition possibly affecting drug absorption Other protocol defined Inclusion/

Design outcomes

Primary

MeasureTime frame
Maximum Observed Plasma Concentration (Cmax) of VX-121, TEZ, D-IVA, and Relevant MetabolitesCohort 1: Pre-dose up to Day 23; Cohort 2: Pre-dose up to Day 13
Area Under the Concentration Versus Time Curve (AUC) of VX-121,TEZ, D-IVA, and Relevant MetabolitesCohort 1: Pre-dose up to Day 23; Cohort 2: Pre-Dose up to Day 13
Fraction Unbound (fu) for VX-121 and D-IVA in PlasmaCohorts 1 and 2: Pre-dose up to Day 2
Unbound Maximum Observed Concentration (Cmax ub) for VX-121 and D-IVACohorts 1 and 2: Pre-dose up to Day 2
Unbound Area Under the Concentration Versus Time Curve (AUC ub) of VX-121 and D-IVACohorts 1 and 2: Pre-dose up to Day 2

Secondary

MeasureTime frame
Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)Cohort 1: Day 1 up to Day 32; Cohort 2: Day 1 up to Day 17

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026