Safety and Pharmacokinetic Study of Lumacaftor/Ivacaftor in Participants 1 to Less Than 2 Years of Age With Cystic Fibrosis, Homozygous for F508del

December 14, 2022 updated by: Vertex Pharmaceuticals Incorporated

A Phase 3, 2-part, Open-label Study to Evaluate the Safety and Pharmacokinetics of Lumacaftor/Ivacaftor in Subjects 1 to Less Than 2 Years of Age With Cystic Fibrosis, Homozygous for F508del

This study will evaluate the safety and pharmacokinetics (PK) of lumacaftor (LUM) and ivacaftor (IVA) in participants 1 to less than 2 years of age with cystic fibrosis (CF), homozygous for F508del (F/F).

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

61

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Montreal, Canada
        • McGill University Health Centre, Glen Site, Montreal Children's Hospital
      • Toronto, Canada
        • The Hospital for Sick Children
      • Vancouver, Canada
        • British Columbia's Children's Hospital
    • Alabama
      • Birmingham, Alabama, United States, 35233
        • University of Alabama at Birmingham
    • Arkansas
      • Little Rock, Arkansas, United States, 72202
        • Arkansas Children's Hospital
    • California
      • Palo Alto, California, United States, 94304
        • Stanford University
    • Colorado
      • Aurora, Colorado, United States, 80045
        • Children's Hospital Colorado
    • Connecticut
      • New Haven, Connecticut, United States, 06511
        • Yale New Haven Medical Center
    • Delaware
      • Wilmington, Delaware, United States, 19803
        • Nemours / Alfred I. DuPont Hospital for Children
    • Georgia
      • Atlanta, Georgia, United States, 30329
        • Children's Healthcare of Atlanta
    • Illinois
      • Chicago, Illinois, United States, 60611
        • Ann & Robert Lurie Children's Hospital of Chicago
    • Indiana
      • Indianapolis, Indiana, United States, 46202
        • Riley Hospital for Children at Indiana University Health
    • Maryland
      • Baltimore, Maryland, United States, 21287
        • Johns Hopkins Hospital
    • Massachusetts
      • Boston, Massachusetts, United States, 02115
        • Boston Children's Hospital
    • Minnesota
      • Minneapolis, Minnesota, United States, 55404
        • Children's Respiratory and Critical Care Specialists, P.A., Children's Hospitals and Clinics of Minnesota
    • Missouri
      • Kansas City, Missouri, United States, 64108
        • The Children's Mercy Hospital
      • Saint Louis, Missouri, United States, 63104
        • Cardinal Glennon Children's Hospital - St. Louis University
    • New York
      • Rochester, New York, United States, 14642
        • University of Rochester Medical Center
    • North Carolina
      • Chapel Hill, North Carolina, United States, 27514
        • University of North Carolina Hospitals
      • Winston-Salem, North Carolina, United States, 27157
        • Wake Forest University School of Medicine - Brenner Children's Hospital
    • Ohio
      • Cincinnati, Ohio, United States, 45229
        • Cincinnati Children's Hospital Medical Center
    • Pennsylvania
      • Philadelphia, Pennsylvania, United States, 19104
        • Children's Hospital of Philadelphia
    • Texas
      • Dallas, Texas, United States, 75235
        • Children's Medical Center of Dallas
      • Fort Worth, Texas, United States, 76104
        • Cook Children's Medical Center
    • Utah
      • Salt Lake City, Utah, United States, 84132
        • University of Utah / Primary Children's Medical Center
    • Washington
      • Seattle, Washington, United States, 98105
        • Seattle Children's Hospital
    • Wisconsin
      • Madison, Wisconsin, United States, 53792
        • University of Wisconsin Hospital and Clinics

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

1 year to 1 year (Child)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Key Inclusion Criteria:

  • Participants will be 1 to less than 2 years of age on day 1 of the relevant part of the study
  • Homozygous for F508del (F/F)

Key Exclusion Criteria:

  • Any clinically significant laboratory abnormalities at the screening visit that would interfere with the study assessments or pose an undue risk for the participants
  • Solid organ or hematological transplantation

Other protocol defined Inclusion/Exclusion criteria may apply.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Part A: LUM/IVA
Participants weighing 7 to less than (<)10 kilograms (kg) at screening received LUM 75 milligrams (mg)/IVA 94 mg fixed-dose combination (FDC) every 12 hours (q12h) and those weighing 10 to <14 kg at screening received LUM 100 mg/IVA 125 mg q12h for 15 days. Participants weighing greater than or equal to (>=)14 kg at screening received LUM 150 mg/IVA 188 mg FDC q12h for 15 days.
Fixed Dose Combination (FDC) granules (LUM/IVA).
Other Names:
  • VX-809
  • lumacaftor
FDC granules (LUM/IVA).
Other Names:
  • VX-770
  • ivacaftor
Experimental: Part B: LUM/IVA
Participants weighing 7 to <9 kg at screening received LUM 75 mg/IVA 94 mg FDC q12h and those weighing 9 to <14 kg received LUM 100 mg/IVA 125 mg q12h for 24 weeks. Participants weighing >=14 kg at screening received LUM 150 mg/IVA 188 mg FDC q12h for 24 weeks. Doses were adjusted upwards for changes in weight.
Fixed Dose Combination (FDC) granules (LUM/IVA).
Other Names:
  • VX-809
  • lumacaftor
FDC granules (LUM/IVA).
Other Names:
  • VX-770
  • ivacaftor

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Part A: Observed Plasma Concentrations From 3-4 Hours (C3-4hr) of LUM and IVA
Time Frame: Day 1 and Day 15
Day 1 and Day 15
Part A: Observed Pre-dose Plasma Concentration (Ctrough) of LUM and IVA
Time Frame: Pre-dose at Day 8 and Day 15
Pre-dose at Day 8 and Day 15
Part B : Safety and Tolerability as Assessed by Number of Participants With Treatment-Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Time Frame: From Day 1 up to Week 26
From Day 1 up to Week 26

Secondary Outcome Measures

Outcome Measure
Time Frame
Part A: Safety and Tolerability as Assessed by Number of Participants With Treatment-Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Time Frame: From Day 1 up to Day 25
From Day 1 up to Day 25
Part A: Observed Pre-dose Plasma Concentration (Ctrough) of LUM and IVA and Their Respective Metabolites (M28-LUM, M1-IVA and M6-IVA)
Time Frame: Pre-dose at Day 8 and Day 15
Pre-dose at Day 8 and Day 15
Part B: Absolute Change in Sweat Chloride
Time Frame: From Baseline at Week 24
From Baseline at Week 24
Part B: Observed Pre-dose Plasma Concentration (Ctrough) of LUM and IVA and Their Respective Metabolites (M28-LUM, M1-IVA and M6-IVA)
Time Frame: Pre-dose at Day 15, Week 4, Week 12 and Week 24
Pre-dose at Day 15, Week 4, Week 12 and Week 24

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

September 7, 2018

Primary Completion (Actual)

October 29, 2021

Study Completion (Actual)

October 29, 2021

Study Registration Dates

First Submitted

July 18, 2018

First Submitted That Met QC Criteria

July 18, 2018

First Posted (Actual)

July 26, 2018

Study Record Updates

Last Update Posted (Estimate)

January 6, 2023

Last Update Submitted That Met QC Criteria

December 14, 2022

Last Verified

December 1, 2022

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

IPD Plan Description

Details on Vertex data sharing criteria and process for requesting access can be found at: https://www.vrtx.com/independent-research/clinical-trial-data-sharing

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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