Mitochondrial dysfunction: patient monitoring and toxicity management

Grace McComsey1, J Tyler Lonergan

  • 1Case Western Reserve University, Cleveland, OH 44106 , USA. mccomsey.grace@clevelandactu.org

Insights

Nucleoside reverse transcriptase inhibitors (NRTIs) can cause mitochondrial toxicity, leading to serious health issues. Early detection and stopping NRTIs can help reverse these toxic effects.

Area of Science:

  • Biochemistry
  • Pharmacology
  • Toxicology

Background:

  • Mitochondrial toxicity is linked to nucleoside reverse transcriptase inhibitor (NRTI) use.
  • NRTI treatment, particularly with stavudine, can cause mitochondrial DNA depletion and damage.

Purpose of the Study:

  • To review the clinical syndromes associated with NRTI-induced mitochondrial toxicity.
  • To emphasize the importance of early recognition and intervention for NRTI-associated mitochondrial syndromes.

Main Methods:

  • Literature review of NRTI-associated mitochondrial toxicity.
  • Analysis of clinical manifestations and diagnostic considerations.

Main Results:

  • Mitochondrial toxicity manifests as hyperlactatemia, lactic acidosis, hepatic steatosis, lipoatrophy, neuropathy, myopathy, and cardiomyopathy.
  • Stavudine is frequently implicated in NRTI-associated mitochondrial damage.

Conclusions:

  • Early identification of NRTI-induced mitochondrial syndromes is crucial.
  • Prompt discontinuation of causative NRTIs can lead to syndrome reversibility.

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