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Updated: Apr 11, 2026

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[Polysuccinimide exhibited antitumor activity in the experiment].

L A Ostrovskaya, D B Korman, S D Varfolomeev

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    |May 29, 2015
    PubMed
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    The novel oncology compound, polysuccinimide, demonstrated significant antitumor activity, inhibiting tumor growth by 60-80% in experimental models. It also effectively reduced lung metastasis, showing promise for preclinical development.

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    Area of Science:

    • Oncology
    • Pharmacology

    Context:

    • Novel compound polysuccinimide evaluated for antitumor properties.
    • Murine solid tumor models including Lewis lung carcinoma, Acatol adenocarcinoma, and Ca-755 adenocarcinoma were utilized.

    Purpose:

    • To establish the antitumor activity of polysuccinimide.
    • To assess the efficacy of polysuccinimide against tumor growth and metastasis.
    • To investigate the effect of polysuccinimide on tumor tissue pH.

    Summary:

    • Polysuccinimide demonstrated significant inhibition of tumor growth, ranging from 60% to 80%, in Lewis lung carcinoma, Acatol adenocarcinoma, and Ca-755 adenocarcinoma models.
    • The compound also showed a 60% effectiveness in inhibiting the development of lung metastasis in the Lewis lung carcinoma model.
    • Importantly, polysuccinimide did not alter the pH levels in tumor tissues of P-388 leukemia and Acatol adenocarcinoma models.

    Impact:

    • Polysuccinimide exhibits potent antitumor and antimetastatic effects in preclinical models.
    • The compound's lack of effect on tumor pH suggests a potentially favorable mechanism of action.
    • Results support further in-depth preclinical investigation of polysuccinimide as a potential cancer therapeutic.