MedPath

Study of VX-770 in Subjects With Moderate Hepatic Impairment and in Matched Healthy Subjects

Phase 1
Completed
Conditions
In Development for Cystic Fibrosis
Interventions
Registration Number
NCT01208285
Lead Sponsor
Vertex Pharmaceuticals Incorporated
Brief Summary

The purpose of this study is to investigate the pharmacokinetics and safety of a single dose of VX-770 in subjects with moderate hepatic impairment.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
24
Inclusion Criteria

Group A (Subjects with Hepatic Impairment):

  • male or female between 18 and 65 years of age
  • subjects must have a Child-Pugh total score of 7 to 9
  • subjects must agree to use 1 highly effective method of contraception during the study and for 90 days after the completion of the study
  • subjects must have a body mass index (BMI) of 18 to 35 kg/m2

Group B (Healthy Subjects):

  • male or female between 18 and 65 years of age
  • subjects will match subjects with hepatic impairment for sex, BMI, cigarette smoking habit, and age
  • subjects must agree to use 1 highly effective method of contraception during the study and for 90 days after the completion of the study
Exclusion Criteria

Group A (Subjects with Hepatic Impairment):

  • subjects who are not clinically stable or who have a history of any illness that, in the opinion of the investigator or the subject's general practitioner, might confound the results of the study or pose an additional risk in administering study drug(s) to the subject
  • subjects who are unwilling or unable to discontinue use of any inhibitors or inducers of CYP3A
  • subjects who have a history of alcohol abuse within 1 year or illicit drug abuse within 2 years
  • subjects who smoke more than 10 cigarettes per day
  • subjects who have fluctuating or rapidly deteriorating hepatic function
  • subjects who have significant renal dysfunction
  • subjects who have HIV, or active hepatitis B
  • subjects who have previous solid organ or bone marrow transplantation

Group B (Healthy Subjects):

  • subjects who have a history of any illness that, in the opinion of the investigator or the subject's general practitioner, might confound the results of the study or pose an additional risk in administering study drug(s) to the subject
  • subjects who are unwilling or unable to discontinue use of any inhibitors or inducers of CYP3A
  • subjects who have a history of alcohol or illicit drug abuse within 2 years
  • subjects who smoke more than 10 cigarettes per day
  • subjects who have HIV, hepatitis C, or active hepatitis B

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Group AVX-770approximately 12 male and female subjects with moderate hepatic impairment
Group BVX-770approximately 12 healthy male and female subjects
Primary Outcome Measures
NameTimeMethod
VX-770 pharmacokinetic parameters4 or 10 Days
Secondary Outcome Measures
NameTimeMethod
VX-770 metabolites pharmacokinetic parameters4 or 10 days
Safety as measured by adverse events, clinical laboratory values, standard electrocardiograms (ECGs), and vital signsup to 40 days
© Copyright 2025. All Rights Reserved by MedPath