Trends in Medicines Discontinuation and Implications for Access in Brazil (2014–2024) - Report - MDSpire
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Patterns of Medication Discontinuation and Their Impact on Accessibility in Brazil (2014–2024)

  • By

  • Raphaella Oliveira Martins de Lima

  • Esther Ramos Silva

  • Isabel C. M. Emmerick

  • Danielle Maria de Souza Serio dos Santos

  • Isabella Piassi Dias Godói

  • Ana Cristina Viana Campos

  • Luisa Arueira Chaves

  • August 22, 2026

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Clinical Report: Patterns of Medication Discontinuation and Their Impact

Background

Medication shortages pose significant challenges to healthcare systems, impacting patient care and safety. In Brazil, the management of drug discontinuations is primarily reactive, relying on a single panel to monitor interruptions in manufacturing. Understanding the patterns and reasons for these discontinuations is crucial for ensuring access to essential medicines.

Data Highlights

This study utilized a quantitative, observational design analyzing data from ANVISA’s medicine-discontinuation panel for the years 2014 to 2024.

Key Findings

  • Drug shortages are defined by the WHO from both supply and demand perspectives.
  • Brazil's approach to managing medication discontinuations is largely reactive, focusing on monitoring rather than preventing shortages.
  • ANVISA mandates that manufacturers report any discontinuation of production or importation.
  • In 2024, ANVISA issued 345 technical notes assessing potential market shortages.
  • Countries like Israel and Canada have implemented proactive measures to address drug shortages, contrasting with Brazil's current strategies.

Clinical Implications

Healthcare providers should be aware of the potential for medication shortages and the impact on patient treatment plans. Enhanced monitoring and proactive strategies may be necessary to mitigate the risks associated with drug discontinuations.

Conclusion

The study highlights the critical need for a comprehensive approach to managing medication discontinuations in Brazil to ensure the availability of essential medicines.

Related Resources & Content

  1. World Health Organization, WHO, 2014 -- Essential Medicines
  2. Resolução da Diretoria Colegiada - RDC nº 18, de 04/04/2014, ANVISA
  3. Pharmacoepidemiology and Drug Safety — Trends in Pharmacist-Prescribed Dispensing Records of HIV Pre-Exposure (2020–2025) and Post-Exposure Prophylaxis (2020–2024) in Brazil: A Time Series Analysis
  4. Journal of Medical Internet Research (JMIR) — Extracting and Classifying Drug Discontinuations From Estonian Electronic Health Records: Development and Validation Study
  5. JAMA Network Open — User-Directed vs Interruptive Real-Time Benefit Tools for Medication Changes in Primary Care
  6. Drugs - Real World Outcomes — Impact of Inappropriate Medication Use Based on the 2023 Beers Criteria on Health Outcomes: A Year-Long Study of Older Adults Living in the Community
  7. Resolução da Diretoria Colegiada - RDC nº 18, de 04/04/2014 (*)
  8. Essential medicines
  9. Drug stock-outs in HIV, tuberculosis, and malaria programs: a systematic review - ScienceDirect

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