Key result
Lipophilic spin-trapping agents provided varying degrees of protection against Adriamycin-induced negative inotropic effects in isolated rat atria, directly correlated to their hydrophobicity.
Why the study?
Do spin-trapping agents prevent Adriamycin-induced cardiotoxicity in isolated rat atria?
Population
Isolated rat atria incubated in the presence of Adriamycin (ADR)
Comparison
Spin-trapping agents: 5,5-dimethyl-l-pyrroline-N… vs Adriamycin alone (implied)
Design
Preclinical
Authors
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Does not support clinical use of spin-trapping agents; leaves open whether hydrophobicity enhances protection against anthracycline cardiotoxicity in humans.
Do spin-trapping agents prevent Adriamycin-induced cardiotoxicity in isolated rat atria?
Lipophilic spin-trapping agents protect against Adriamycin-induced cardiotoxicity in isolated rat atria, suggesting that free radical generation in hydrophobic cellular compartments mediates the acute cardiotoxic effects of the drug.
Monti et al. (1991) studied Adriamycin-induced cardiotoxicity. Spin-trapping agents (DMPO, PBN, POBN) was evaluated on Negative inotropic effect of Adriamycin. Lipophilic spin-trapping agents provided varying degrees of protection against Adriamycin-induced negative inotropic effects in isolated rat atria, directly correlated to their hydrophobicity.
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