Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:43 PM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
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Conditions
Drug Interactions
Interventions
Prednisone, VX-509, Methylprednisolone
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Lenexa, Kansas
Conditions
Rheumatoid Arthritis
Interventions
VX-509, VX-509 matching placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 80 Years
Enrollment
359 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
31
States / cities
Birmingham, Alabama • Huntsville, Alabama • Long Beach, California + 28 more
Conditions
Healthy
Interventions
VX-509
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 60 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Lenexa, Kansas
Conditions
Rheumatoid Arthritis
Interventions
VX-509
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
18
States / cities
Upland, California • Fort Lauderdale, Florida • Venice, Florida + 15 more
Conditions
Rheumatoid Arthritis
Interventions
VX-509, VX-509 matching placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
21
States / cities
Stanford, California • Upland, California • Fort Lauderdale, Florida + 18 more
Conditions
Rheumatoid Arthritis
Interventions
Placebo, VX-509
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
18
States / cities
Birmingham, Alabama • Huntsville, Alabama • Peoria, Arizona + 14 more