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Related Experiment Videos

Phase I study of hycanthone.

J S Kovach, C G Moertel, A J Schutt

    Cancer Treatment Reports
    |November 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Hycanthone, an antischistosomal drug, showed no therapeutic effect in advanced cancer patients. The dose-limiting toxicity was acute hepatitis, with moderate nausea and vomiting also observed.

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    Area of Science:

    • Oncology
    • Pharmacology
    • Hepatology

    Background:

    • Hycanthone is an antischistosomal drug with demonstrated activity against experimental murine tumors.
    • Its potential as an anti-cancer agent in humans warranted clinical investigation.

    Purpose of the Study:

    • To determine the dose-limiting toxicity of hycanthone in patients with advanced cancer.
    • To evaluate the therapeutic effect of hycanthone in this patient population.

    Main Methods:

    • 12 patients with advanced cancer received hycanthone via 20-minute infusion daily for 5 days.
    • Dose-limiting toxicity and therapeutic response were assessed.
    • Plasma concentrations of hycanthone were measured to determine its pharmacokinetic profile.

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    Main Results:

    • No objective therapeutic responses were observed in any of the patients.
    • The dose-limiting toxic effect was acute hepatitis, occurring in 2 of 4 patients at 100 mg/m2/day x 5.
    • Moderate nausea and vomiting were the only other toxicities; hycanthone was not myelosuppressive.
    • Plasma half-life was 3-5 hours with no drug accumulation over 5 days.

    Conclusions:

    • Hycanthone demonstrated significant hepatotoxicity at the tested dose, limiting its use in advanced cancer.
    • The drug did not show therapeutic efficacy in this patient group.
    • Further investigation of hycanthone for cancer treatment is not supported by these findings due to toxicity and lack of efficacy.