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Completed Phase 2 Interventional

A 12-week Study of 4 Doses of VX-509 in Subjects With Active Rheumatoid Arthritis

ClinicalTrials.gov ID: NCT01052194

Public ClinicalTrials.gov record NCT01052194. 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 Sep 2, 2026, 6:44 PM 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 12-week, Double-blind, Randomized, Parallel-group, Placebo-controlled Study of 4 Doses of VX-509 in Subjects With Active Rheumatoid Arthritis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study is designed to evaluate safety and assess initial efficacy of VX-509, a JAK3 inhibitor, for treatment of subjects with active RA. This study will assess the clinical response of 4 doses of VX-509 compared to placebo when administered for 12 weeks to patients with active RA. The study will also evaluate the safety and tolerability of VX-509 compared to placebo when administered for 12 weeks to subjects with active RA.

Study identification

NCT ID
NCT01052194
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
206 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 75 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
Jan 31, 2010
Primary completion
Jun 30, 2011
Completion
Jun 30, 2011
Last update posted
Dec 12, 2012

2010 – 2011

United States locations

U.S. sites
18
U.S. states
15
U.S. cities
17
Facility City State ZIP Site status
Not listed Birmingham Alabama 35216
Not listed Huntsville Alabama 35801
Not listed Peoria Arizona 85381
Not listed La Mesa California 97942
Not listed Trumbull Connecticut 06611
Not listed Tampa Florida 33612
Not listed Tampa Florida 33614
Not listed Venice Florida 34292
Not listed Decatur Georgia 30033
Not listed Worcester Massachusetts 01610
Not listed St Louis Missouri 63141
Not listed Charlotte North Carolina 28210
Not listed Oklahoma City Oklahoma 73104
Not listed Duncansville Pennsylvania 16635
Not listed Charleston South Carolina 29406
Not listed Dallas Texas 75235
Not listed Spokane Washington 99204
Not listed Clarksburg West Virginia 26301

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 30 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01052194, 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 Dec 12, 2012 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01052194 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →