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5PSQ-092 Pharmacovigilance of biological therapies from the outpatient department
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  1. KI Álvarez Tosco,
  2. P Díaz Ruíz,
  3. J González Chávez,
  4. M Suárez González,
  5. A Martin López,
  6. P Joy Carmona,
  7. CY Perez Martin,
  8. J Merino Alonso
  1. Hospital Universitario Nuestra Señora De Candelaria, Servicio De Farmacia, Santa Cruz De Tenerife, Spain

Abstract

Background and Importance Pharmacovigilance has an essential role in monitoring outpatient treatments. As healthcare professionals we have the responsibility to report suspected adverse drug reactions (ADRs), so these data can be analysed by pharmacovigilance centres to determine the causality of possible unknown risks or changes in the severity and frequency of those already known.

In the last decade, the rise of biological therapies as standard treatment in a huge array of pathologies in outpatient practices has led us to focus our project on them.

Aim and Objectives Analyse suspected ADRs reported to the National Pharmacovigilance System of the Agency of Medicines and Health Products (AMHPS), from the outpatient department in a central Hospital Pharmacy.

Material and Methods Single-centre observational retrospective study of suspected adverse reactions reported over a three-month period [July 2022 – September 2022]. The following data were collected: age, sex, treatment, indication, date of initiation, ADRs type and duration. Results were compared with the AMHPS National database, which is updated every 3 months.

Results In these months, we reported seven suspected ADRs. Most of them were reported in women(85,8%), with a mean age of 49,6 years(32–64). The biological therapies suspected of triggering ADRs were adalimumab, sarilumab, etanercept, abatacept, erenumab and galcanezumab. The adverse reactions reported were mostly related to the presence of infections(42,8%), followed by muscle disorders(28,6%), nausea(14,3%) and neutropenia(14,3%). Among the biological therapies used, the one associated with the highest number of notifications was sarilumab(28,6%) and the most frequent indication was rheumatoid arthritis(57,14%).

Conclusion and Relevance Comparing the results with the AMHPS database, in our population we observe a greater number of notifications for sarilumab, being the one with the fewest national notifications, probably related to its recent authorisation and not being used in first-line treatments. On the other hand, in the overall number of national ADRs notifications, infections are not the most frequent ADR, being in the first place musculoskeletal and gastrointestinal disorders.

It is important to be aware of the role of pharmacists and all healthcare professionals in contributing to the detection of ADRs. Collecting this data and taking a global view of it by healthcare institutions allows to improve safety in outpatient treatments.

Conflict of Interest No conflict of interest

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