Aim:

To determine the proportion of patients in the routine clinical care setting receiving intravenous TCZ after 6 months treatment. Identification of TCZ treatment patterns, efficacy, and safety were also recorded.

Method:

This prospective non-interventional 6-month study, collected real-world information from 169 Central American and Caribbean patients. No interventional procedures or additional visits outside routine clinical care practice were performed. Statistical analysis was essentially descriptive.

Results:

Adherence rate was 74.0%, with 97% of patients receiving TCZ as first biological therapy line and there were no deviations from the local label. Almost 85% of patients started with combination therapy, and the majority remained under this scheme throughout the study. A significant decrease in disease activity assessments and acute phase reactants values were detected during TCZ treatment. The percentage of patients that achieved improvement according to the different levels of the American College of Rheumatology (ACR) increased during the study, and relevant enhancements in quality of life were also accomplished. Adverse events (AEs) occurred in 35 patients, with metabolic and nutritional disorders being the most common. Serious AEs were reported in 3% of patients, and special interest AEs occurred in 6 patients.

Conclusion:

Treatment adherence was mainly determined by follow-up and compliance with the administration schedule. Efficacy analysis showed better results than those reported in international literature. The incidence of AEs was also lower than in previously published data.

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