Palliative intralesional interleukin-2 treatment in dogs with urinary bladder and urethral carcinomas

U. Konietschke, E. Teske, K. Jurina, C. Stockhaus

    Research output: Contribution to journalArticleAcademicpeer-review


    AIM: The investigation of the influence of intralesional interleukin-2 (IL-2) on the clinical course and tumor progression in dogs suffering from urinary bladder and urethral carcinomas.

    MATERIALS AND METHODS: Medical records of 25 dogs diagnosed with advanced transitional cell carcinomas (TCC) were retrospectively reviewed. In 14 dogs, intralesional IL-2 treatment was performed by transabdominal ultrasound-guided injection. Seven dogs underwent cytoreductive surgery, followed by IL-2 injection into the tumor bed. All dogs received long-term non-steroidal anti-inflammatory drugs.

    RESULTS: Adverse effects associated with IL-2 treatment were not observed. At re-examination, 17 dogs showed marked clinical improvement and regression of tumor size. Four dogs were in complete remission.

    CONCLUSION: Intralesional IL-2 application is a safe and minimally-invasive palliative treatment option in dogs suffering from advanced transitional cell carcinoma when surgical cure is impossible. Prognosis depends on tumor localization and feasibility of concomitant cytoreductive surgery.

    Original languageEnglish
    Pages (from-to)931-935
    Number of pages5
    JournalIn Vivo
    Issue number6
    Publication statusPublished - 20 Nov 2012


    • Canine
    • transitional cell carcinoma
    • interleukin-2
    • urinary
    • bladder
    • urethral carcinoma


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