Synthesis, antitumor activity, and nephrotoxicity of the optical isomers of 2-aminomethylpyrrolidine(1,1-cyclobutane-dicarboxylato)platinum(II).

doi:10.1002/JPS.2600800907

Paper

Synthesis, antitumor activity, and nephrotoxicity of the optical isomers of 2-aminomethylpyrrolidine(1,1-cyclobutane-dicarboxylato)platinum(II).

Published Sep 1, 1991 · K. Morikawa, M. Honda, K. Endoh

Journal of pharmaceutical sciences

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Abstract

The optical isomers of 2-aminomethylpyrrolidine(1,1-cyclobutane- dicarboxylato)platinum(II) (DWA2114, 1), which has potent antitumor activity against various tumors, were synthesized. They were examined for antitumor activity against Colon 26 carcinoma in a sc-iv system, and changes in urinary protein and sugar levels in drug-treated mice were used as an index of nephrotoxicity. In their effect on tumors, (+)-(S)-2-aminomethylpyrrolidine(1,1-cyclobutanedicarboxylato++ +)platinum(II) (6b) was more potent than the enantiomer 6a in that the effective dose of 6b was smaller than that of 6a; but, both drugs exhibited potent antitumor activity. On the other hand, a distinct difference between 6a and 6b was shown in their nephrotoxicity. Isomer 6b induced a great increase in urinary protein and sugar levels in mice, whereas 6a caused no increase in these levels.

Non-RCTAnimal Study

Study Snapshot

The optical isomers of 2-aminomethylpyrrolidine(1,1-cyclobutane-dicarboxylato)platinum(II) show potent antitumor activity against Colon 26 carcinoma, but 6b has greater nephrotoxicity due to increased urinary protein and sugar

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

Synthesis, antitumor activity, and nephrotoxicity of the optical isomers of 2-aminomethylpyrrolidine(1,1-cyclobutane-dicarboxylato)platinum(II).

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