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Objective <p>Methotrexate (MTX), a standard treatment for rheumatoid arthritis (RA), is known for its potential kidney and liver toxicity. Whether concomitant use of analgesics, possibly affecting the same organs, has an impact on the occurrence or course of adverse drug reactions (ADRs) remains unclear.</p> Methods <p>We used all spontaneous reports (until 2022) of suspected ADRs associated with MTX in RA patients, from the EudraVigilance database, a spontaneous report system operated by the European Medicines Agency (EMA). We displayed case and treatment characteristics, stratified by the organ affected (kidneys, liver) and the outcome (fatal, non-fatal).</p> Results <p>We included a total of 10,319 reports (mean age: 62.3 years, 72.6% female). 365 and 1,082 were related to ADRs involving the kidneys and liver, respectively. Patients with ADRs on the kidneys were older and comedication (e.g. non-steroidal anti-inflammatory drugs (NSAIDs), acetaminophen, metamizole and corticosteroids) was more common than in cases with ADRs on the liver. More patients with kidney- than liver-related ADRs had a fatal outcome (21.1% vs. 5.8%). In fatal cases with ADRs on the kidneys and with ADRs on the liver comedication was more common compared to non-fatal cases.</p> Conclusion <p>Liver dysfunction was reported nearly three times more often than renal impairment. However, the kidneys need to be especially watched for, since a fatal outcome was considerably more common in renal failure. More precise and standardized recommendations on renal function tests might be necessary to support physicians in the complex treatment of RA.</p>

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Methotrexate-related drug reactions on kidneys and liver in rheumatoid arthritis: an analysis of spontaneous reports in EudraVigilance

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  • 发表日期：

    2025年4月5日

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  • Kai Khoroshun,
  • Carsten Bantel,
  • Falk Hoffmann,
  • Kathrin Jobski

摘要

Objective

Methotrexate (MTX), a standard treatment for rheumatoid arthritis (RA), is known for its potential kidney and liver toxicity. Whether concomitant use of analgesics, possibly affecting the same organs, has an impact on the occurrence or course of adverse drug reactions (ADRs) remains unclear.

Methods

We used all spontaneous reports (until 2022) of suspected ADRs associated with MTX in RA patients, from the EudraVigilance database, a spontaneous report system operated by the European Medicines Agency (EMA). We displayed case and treatment characteristics, stratified by the organ affected (kidneys, liver) and the outcome (fatal, non-fatal).

Results

We included a total of 10,319 reports (mean age: 62.3 years, 72.6% female). 365 and 1,082 were related to ADRs involving the kidneys and liver, respectively. Patients with ADRs on the kidneys were older and comedication (e.g. non-steroidal anti-inflammatory drugs (NSAIDs), acetaminophen, metamizole and corticosteroids) was more common than in cases with ADRs on the liver. More patients with kidney- than liver-related ADRs had a fatal outcome (21.1% vs. 5.8%). In fatal cases with ADRs on the kidneys and with ADRs on the liver comedication was more common compared to non-fatal cases.

Conclusion

Liver dysfunction was reported nearly three times more often than renal impairment. However, the kidneys need to be especially watched for, since a fatal outcome was considerably more common in renal failure. More precise and standardized recommendations on renal function tests might be necessary to support physicians in the complex treatment of RA.