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Related Experiment Videos

Preclinical and clinical studies on lymph node imaging using perflubron emulsion

G Hanna1, D Saewert, J Shorr

  • 1Alliance Pharmaceutical Corp., San Diego, CA 92121.

Artificial Cells, Blood Substitutes, and Immobilization Biotechnology
|January 1, 1994
PubMed
Summary

Perflubron emulsion enhances lymph nodes on CT scans. This contrast agent is safe and effective, with massage reducing enhancement time in preclinical and pilot studies.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Contrast Agents

Background:

  • Lymph node imaging is crucial for disease diagnosis and staging.
  • Computed tomography (CT) requires contrast agents for optimal visualization.
  • Perflubron emulsion is a novel agent under development for lymph node enhancement.

Purpose of the Study:

  • To evaluate the efficacy of perflubron emulsion as a CT contrast agent for lymph node enhancement.
  • To investigate the effects of dose, massage, and administration route on enhancement.
  • To assess the safety and tolerability of perflubron emulsion in preclinical and human studies.

Main Methods:

  • Preclinical studies in New Zealand white rabbits using varying doses (0.10-0.50 mL) and administration routes.
  • Investigation of massage application post-injection.

Related Experiment Videos

  • Pilot study in 18 healthy male volunteers with subcutaneous injections in the hand.

    • Main Results:

    • Doses as low as 0.15 mL provided consistent axillary lymph node enhancement on CT images in rabbits.
    • Massage reduced maximum nodal enhancement time from 7 days to 2 days post-injection.
    • Human pilot study showed dose-related enhancement of axillary lymph nodes with no significant adverse effects.

    Conclusions:

    • Perflubron emulsion effectively enhances lymph nodes on CT images.
    • The agent is safe and well-tolerated in both animal models and human subjects.
    • Optimized administration, including massage, can improve the timing of contrast enhancement.