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Completed Phase 2 Interventional Results available

Evaluation of the Efficacy and Safety of VX-864 in Subjects With the PiZZ Genotype

ClinicalTrials.gov ID: NCT04474197

Public ClinicalTrials.gov record NCT04474197. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 2:20 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2, Randomized, Double-blind, Placebo-controlled Study of the Efficacy and Safety of VX-864 in PiZZ Subjects

Study identification

NCT ID
NCT04474197
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Enrollment
44 participants

Conditions and interventions

Interventions

  • VX-864 Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 80 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jul 23, 2020
Primary completion
May 3, 2021
Completion
May 3, 2021
Last update posted
May 25, 2022

2020 – 2021

United States locations

U.S. sites
22
U.S. states
16
U.S. cities
22
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35233
David Geffen School of Medicine at UCLA Los Angeles California 90095
University of California Davis Medical Center Sacramento California 95817
National Jewish Health Denver Colorado 80206
University of Florida Gainesville Florida 11735
University of Miami Miller School of Medicine Miami Florida 33136
Central Florida Pulmonary Orlando Florida 32803
The University of Iowa Hospitals and Clinics Iowa City Iowa 52242
University of Kansas Medical Center Kansas City Kansas 66160
University of Minnesota Minneapolis Minnesota 55455
Blessing Corporate Services, Inc., dba Blessing Health System Hannibal Missouri 63401
Cardinal Glennon Children's Hospital - St. Louis University St Louis Missouri 63104
University of North Carolina Medical Center Chapel Hill North Carolina 27514
Wake Forest University Baptist Medical Center Winston-Salem North Carolina 27157
University of Cincinnati Cincinnati Ohio 45229
Oregon Health & Science University Portland Oregon 97239
Temple University Hospital Philadelphia Pennsylvania 19140
Medical University of South Carolina Charleston South Carolina 29425
Renovatio Clinical Houston Texas 77380
The University of Texas Health Science Center at Tyler Tyler Texas 75708
University of Utah Health Salt Lake City Utah 84108
Inova Fairfax Medical Campus Falls Church Virginia 22042

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 8 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04474197, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 25, 2022 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04474197 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →