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Related Experiment Videos

Abnormal retinal function associated with fenretinide, a synthetic retinoid.

M I Kaiser-Kupfer, G L Peck, R C Caruso

    Archives of Ophthalmology (Chicago, Ill. : 1960)
    |January 1, 1986
    PubMed
    Summary

    Fenretinide, a cancer drug, caused temporary vision abnormalities in two basal cell carcinoma patients. These effects resolved after discontinuing the medication, suggesting a link to vitamin A metabolism.

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    Area of Science:

    • Ophthalmology
    • Oncology
    • Pharmacology

    Background:

    • Basal cell carcinoma (BCC) is a common skin cancer.
    • Fenretinide is an investigational retinoid derivative explored for cancer treatment.
    • Understanding drug side effects is crucial for patient safety and therapeutic development.

    Observation:

    • Five patients with BCC were treated with fenretinide.
    • Two patients exhibited abnormal rod photoreceptor function during fenretinide therapy.
    • These visual disturbances were rapidly reversible upon drug cessation.

    Findings:

    • Fenretinide treatment was associated with transient rod photoreceptor dysfunction.
    • The observed visual abnormalities suggest a potential impact on retinal function.

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  • The rapid reversal indicates a direct and reversible drug effect.

    • Implications:

    • Fenretinide may interfere with vitamin A binding to opsin or its transport.
    • Ocular monitoring may be warranted in patients receiving fenretinide.
    • Further research is needed to elucidate the precise mechanism of fenretinide's ocular toxicity.