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Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate Safety and Pharmacokinetics of GS-4059 (Tirabrutinib) in Healthy Volunteers and Participants With Rheumatoid Arthritis (RA)

ClinicalTrials.gov ID: NCT02626026

Public ClinicalTrials.gov record NCT02626026. 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 4, 2026, 1:55 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 Phase 1, Placebo-Controlled, Randomized Study Evaluating the Safety and Pharmacokinetics of GS-4059 in Healthy Volunteers and Subjects With Rheumatoid Arthritis (RA)

Brief summary

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

This study will consist of two parts: Part A will evaluate the safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of tirabrutinib in healthy participants. Part B will evaluate the safety, tolerability, and the effect of tirabrutinib on disease-specific clinical markers and outcomes in participants with rheumatoid arthritis (RA).

Study identification

NCT ID
NCT02626026
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Gilead Sciences
Industry
Enrollment
42 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Jan 25, 2016
Primary completion
Aug 31, 2016
Completion
Aug 31, 2016
Last update posted
Sep 8, 2020

2016

United States locations

U.S. sites
9
U.S. states
6
U.S. cities
9
Facility City State ZIP Site status
UC Davis Lawrence J. Ellison Sacramento California 95817
SeaView Research, Inc. Miami Florida 33126
Omega Research Consultants, LLC Orlando Florida 32804
Lovelace Scientific Resources, Inc. Venice Florida 34292
Center for Arthritis & Osteoporosis Elizabethtown Kentucky 42701
Justus J. Fiechtner, M.D., P.C. Lansing Michigan 48910
Altoona Center for Clinical Research Duncansville Pennsylvania 16635
Clinical Research Center of Reading, LLC Wyomissing Pennsylvania 19610
Arthritis & Osteoporosis Center of South Texas San Antonio Texas 78232

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02626026, 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 Sep 8, 2020 · Synced Sep 4, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02626026 live on ClinicalTrials.gov.

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