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AKI associated with synthetic cannabinoids: a case series
Gautam Kantilal Bhanushali1, Gaurav Jain, Huma Fatima
1Division of Nephrology, Department of Internal Medicine, University of Alabama, Birmingham, AL, USA.
Synthetic cannabinoid products, known as SPICE or K2, are linked to acute kidney injury (AKI) in young men. These recreational drugs can cause severe kidney damage, requiring further investigation into their nephrotoxic components.
Area of Science:
- Toxicology
- Nephrology
- Pharmacology
Background:
- Synthetic cannabinoids, marketed as SPICE or K2, are recreational drugs designed to mimic cannabis effects.
- These substances are often disguised as incense, bath additives, or air fresheners and are typically smoked.
- SPICE and K2 are not detected by routine urine toxicology screens, complicating diagnosis.
Observation:
- Four cases of oliguric acute kidney injury (AKI) were observed in previously healthy men.
- The patients experienced a close temporal and geographic association between SPICE use and the onset of AKI.
- Renal biopsies in three patients revealed acute tubular necrosis, indicating significant kidney damage.
Findings:
- SPICE (K2) use is strongly associated with the development of acute kidney injury (AKI).
- The observed AKI cases showed improvement in renal function without requiring renal replacement therapy.
- Acute tubular necrosis was the primary histopathological finding in affected individuals.
Implications:
- Nephrotoxicity from synthetic cannabinoids like SPICE (K2) should be considered in the differential diagnosis of AKI.
- Further research is needed to identify the specific nephrotoxic agents within these designer drug preparations.
- Healthcare providers should be aware of the potential for kidney damage from recreational drug use, particularly in young adults with unexplained AKI and negative drug screens.
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