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Renal effects of opioid exposure: considerations for therapeutic use

Kalpna Gupta1, Marc L Weber

  • 1Division of Hematology, Oncology and Transplantation, University of Minnesota, Minneapolis, USA.

Journal of Opioid Management
|February 27, 2007
PubMed

Insights

Opioid receptors are now known to exist outside the central nervous system, including in the kidneys. This review explores opioid effects on kidney function, impacting salt and water balance and potentially causing chronic kidney disease.

Area of Science:

  • Nephrology
  • Pharmacology
  • Physiology

Background:

  • Opioids were historically believed to interact solely with the central nervous system.
  • Recent discoveries reveal peripheral opioid receptors, including those in the kidneys.
  • Understanding opioid-renal interactions is crucial for patient care.

Purpose of the Study:

  • To review the current knowledge on opioid and opioid receptor roles in renal physiology and pathophysiology.
  • To highlight the impact of opioid exposure on kidney function.

Main Methods:

  • Literature review of studies investigating opioid-renal interactions.
  • Analysis of current understanding of opioid receptor distribution in the kidney.
  • Examination of acute and chronic effects of opioids on renal function.

Main Results:

  • Opioid effects on the kidney are agonist-, dose-, and duration-dependent.
  • Acute opioid exposure influences renal salt and water balance.
  • Chronic opioid exposure's effects on kidney function are less understood but linked to conditions like collapsing glomerulopathy.

Conclusions:

  • Opioid exposure can induce physiological and architectural changes in the kidney.
  • These renal changes have significant clinical implications, especially for patients with pre-existing kidney disease.
  • Further research is needed to fully elucidate the chronic effects of opioids on kidney function.

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