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Related Experiment Videos

[Tissue tolerance to pelvic intraarterial chemoembolization]

J Li1

  • 1Second Military Medical University, Shanghai.

Zhonghua Fu Chan Ke Za Zhi
|January 1, 1993
PubMed
Summary

Lipiodol enhances pelvic cisplatin delivery and retention during chemoembolization in rabbits, reducing systemic exposure. Doses under 0.2 ml/kg lipiodol show good tissue tolerance with minimal adverse effects.

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Area of Science:

  • Oncology
  • Radiology
  • Pharmacology

Context:

  • Pelvic intraarterial chemoembolization is a treatment modality for pelvic malignancies.
  • Optimizing drug delivery and minimizing systemic toxicity are crucial challenges in chemoembolization.
  • Lipiodol, an iodized oil, is used as an embolic agent and drug carrier.

Purpose:

  • To evaluate the tissue tolerance and platinum (Pt) distribution of cisplatin-lipiodol suspension in pelvic chemoembolization.
  • To determine the effect of varying lipiodol dosages on local tissue platinum concentration and systemic exposure.

Summary:

  • Rabbits received intraarterial cisplatin-lipiodol suspensions at varying lipiodol doses (0.0-0.3 ml/kg).
  • Lipiodol increased local pelvic tissue platinum concentration and retention, while reducing platinum levels in the liver, heart, and kidneys.
  • Tissue retention of platinum showed a linear relationship with lipiodol dosage. A lipiodol dose of 0.2 ml/kg resulted in minimal tissue damage (slight degeneration, sparse hemorrhage) without necrosis.

Impact:

  • Lipiodol can enhance local drug delivery and retention in pelvic chemoembolization.
  • Lipiodol, at doses below 0.2 ml/kg, demonstrates a favorable safety profile for pelvic tissues.
  • This study suggests lipiodol's potential as a safe and effective agent for transient embolic effects in pelvic chemoembolization.

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