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Completed Not applicable Interventional Results available

Rheumatoid Arthritis Extension Trial For Subjects Who Have Participated In Other PF-05280586 Trials (REFLECTIONS B328-04)

ClinicalTrials.gov ID: NCT01643928

Public ClinicalTrials.gov record NCT01643928. 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 8, 2026, 12:36 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

EXTENSION STUDY EVALUATING TREATMENT WITH PF-05280586 VERSUS RITUXIMAB IN SUBJECTS WITH ACTIVE RHEUMATOID ARTHRITIS WHO HAVE PARTICIPATED IN OTHER PF-05280586 CLINICAL TRIALS

Brief summary

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

This extension study will evaluate the safety (including immunogenicity) of treatment with rituximab-Pfizer, as well as the safety and immunogenicity after transitioning from rituximab-US or rituximab-EU to rituximab-Pfizer. This study will provide continued treatment access to subjects with active rheumatoid arthritis who have participated for at least 16 weeks in other studies in the rituximab Pfizer program.

Study identification

NCT ID
NCT01643928
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Pfizer
Industry
Enrollment
185 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
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
Aug 15, 2012
Primary completion
Mar 13, 2016
Completion
Mar 13, 2016
Last update posted
Jan 28, 2019

2012 – 2016

United States locations

U.S. sites
34
U.S. states
22
U.S. cities
31
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35294
Rheumatology Associates of North Alabama, PC Huntsville Alabama 35801
Arthrocare, Arthritiscare & Research, PC Gilbert Arizona 85234
CHI St. Vincent Medical Group Hot Springs Hot Springs Arkansas 71913
UCLA Clinical & Translational Research Center Los Angeles California 90095
UCLA David Geffen School of Medicine Los Angeles California 90095
Desert Medical Advances Palm Desert California 92260
New England Research Associates, LLC Trumbull Connecticut 06611
QPS Labs Newark Delaware 19711
University of South Florida - College of Medicine Carol and Frank Morsani Center Tampa Florida 33612
Loyola University Medical Center Maywood Illinois 60153
Illnois Bone & Joint Institute Morton Grove Illinois 60053
Covance Central Laboratory Services Indianapolis Indiana 46214
Bluegrass Community Research, Inc. Lexington Kentucky 40504
Klein & Associates, M.D., P.A. Cumberland Maryland 21502
Clinical Pharmacology Study Group Worcester Massachusetts 01605
Bronson Internal Medicine and Rheumatology Battle Creek Michigan 49015
Justus J. Fiechtner, MD, PC Lansing Michigan 48910
University of Nevada School of Medicine Las Vegas Nevada 89102
Dartmouth - Hitchcock Medical Center Lebanon New Hampshire 03756
North Shore-LIJ Health System - Division of Rheumatology and Allergy-Clinical Great Neck New York 11021
PMG Research of Hickory LLC Hickory North Carolina 28602
PMG Research of Hickory, LLC Hickory North Carolina 28602
Cincinnati Rheumatic Disease Study Group Cincinnati Ohio 45219
Health Research of Oklahoma Oklahoma City Oklahoma 73103
Altoona Center for Clinical Research Duncansville Pennsylvania 16635
The Arthritis Group Philadelphia Pennsylvania 19152
Clinical Research Center of Reading, LLC Wyomissing Pennsylvania 19610
Arthritis Associates, PLLC Hixson Tennessee 37343
Arthritis Clinic Jackson Tennessee 38305
West Tennessee Research Institute Jackson Tennessee 38305
Metroplex Clinical Research Center Dallas Texas 75231
Apocell, Inc Houston Texas 77054
Southwest Rheumatology Research, LLC Mesquite Texas 75150

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 37 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01643928, 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 Jan 28, 2019 · Synced Sep 8, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01643928 live on ClinicalTrials.gov.

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