Drug Concentration, Immunogenicity, and Efficacy Study in Patients With Rheumatoid Arthritis Currently Treated With Etanercept, Adalimumab, or Infliximab

"UMHAT Sv.Ivan Rilski", Sofia

Instituto de Asistencia Reumatológica Integral I.A.R.I, San Fernando

Centro Integral de Reumatología S.R.L., S.M. de Tucumán / Tucumán

MHAT Kaspela EOOD, Plovdiv

DCC Sveti Pantaleimon OOD, Pleven

Southern Clinical Research Pty Ltd, Sandy Bay, Hobart

MHAT Burgas, Burgas

Advanced Arthritis Care Center, Brooklyn

Prem C.Chatpar, M.D., LLC, Plainview

Clinical Research Center of Reading, LLC, Wyomissing

Rheumatology Consultants of Delaware dba Delaware Arthritis, Lewes

Rheumatology Associates of Baltimore, Baltimore

Center for Arthritis and Rheumatic Diseases, P.C., Chesapeake

Ataturk Universitesi Yakutiye Egitim ve Arastirma Hastanesi, Erzurum

Osmangazi Universitesi Tıp Fakultesi Hastanesi, Eskişehir

Box Arthritis and Rheumatology, Charlotte

Low Country Rheumatology, PA, North Charleston

Northeast Georgia Diagnostic Clinic, LLC, Gainesville

Florida Medical Research, Gainesville

Omega Research Consultants, LLC, DeBary

Arthritis and Rheumatic Care Center, South Miami

Center for Rheumatology, Immunology, and Arthritis, Fort Lauderdale

Health Point Medical Group, Inc., Tampa

Comprehensive Rheumatology Care, Hendersonville

Elizabeth Marini Simpson, Hixon

David S. Rosenberg, M.D, Florissant

Via Christi Hospitals Wichita, Inc., Wichita

Dr Melvin Albert Churchill Jr, Lincoln

Mercy Clinic Hot Springs Communities, Hot Springs

Accurate Clinical Research, Houston

Clinical Research Institute of Houston, Houston

Spring Clinical Research, Tomball

Austin Regional Clinic, Austin

Arizona Arthritis & Rheumatology, Phoenix

Arizona Arthritis and Rheumatology Research, PLLC, Phoenix

Arizona Arthritis & Rheumatology Associates, P. C., Mesa

Arizona Arthritis & Rheumatology, Glendale

Arizona Arthritis & Rheumatology Research, Sun City

Arthritis Care Center, Incorporated, San Jose

Sutter Institute for Medical Research, Sacramento

Arthritis Northwest, PLLC, Spokane

Phase III Clinical Research, Fall River

Prospect Medical Offices, Midland Park

Hospital Británico de Buenos Aires, Ciudad Autonoma de Buenos Aires

Sociedad Italiana de Beneficencia en Buenos Aires (Hospital Italiano de Buenos Aires), Ciudad Autónoma de Buenos Aires / Buenos Aires

Clínica Adventista Belgrano, Ciudad Autónoma de Buenos Aires / Buenos Aires

CIER, centro de investigaciones en enfermedades reumáticas (Razón social: ARIES MEDICA S.R.L.), Ciudad de Buenos Aires / Buenos Aires

Sociedad Española de Beneficiencia y Mutualidad Hospital español de Mendoza, Godoy Cruz

DIM Clinica Privada, Ramos Mejía

C.E.R - Centro Polivalente de Asistencia e Investigación Clínica propiedad de CER SAN JUAN S.R.L., San Juan

Instituto CAICI SRL., Rosario

I.N.Ne.L S.R.L. (Instituto de Neurología y Neurorrehabilitación del Litoral S.R.L.), Santa Fé

Cukurova Universitesi Tip Fakultesi Balcalı Hastanesi, Adana

Hacettepe Universitesi Tip Fakultesi Hastanesi, Ankara