Characteristics of Patients With Early-Onset Arthritis in Latin America: Description of the REPANARC Cohort.

Background: While many studies have tried to show that early intervention improves the clinical outcomes of early-onset arthritis, only a few were carried out in Latin America.

Objectives: The aim of this study was to describe the Pan-American Registry of Early-Onset Arthritis (REPANARC) project and report the preliminary outcomes of a cohort of patients.

Methods: The REPANARC cohort consisted of a sample of patients from 6 Latin American countries.