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  • Title: Recombinant interferon alfa-2b in the treatment of vision-threatening capillary hemangiomas in childhood.
    Author: Hastings MM, Milot J, Barsoum-Homsy M, Hershon L, Dubois J, Leclerc JM.
    Journal: J AAPOS; 1997 Dec; 1(4):226-30. PubMed ID: 10532768.
    Abstract:
    INTRODUCTION: Hemangiomas of the orbit and eyelids may cause serious ocular problems usually related to amblyopia and astigmatism. Steroids have become the accepted treatment. However, some hemangiomas are resistant to steroids or require prolonged use,with unacceptable side effects. Interferon alfa-2b, an antiangiogenic protein, was used in this prospective study to treat visually threatening hemangiomas that were unresponsive to oral or intralesional steroid treatment. METHODS: Forty patients aged 2 to 36 months with life- or organ-threatening hemangiomas were prospectively enrolled to evaluate the efficacy and safety of interferon alfa treatment for hemangiomas. Sixteen of these 40 patients had hemangiomas causing serious ocular dysfunction. The patients were treated with 3 x 10(6) U/m2 interferon alfa-2b subcutaneously daily for 3 months; treatment was then tapered or retreated according to response and protocol. Therapeutic responses were documented. RESULTS: Fifteen patients with ocular hemangiomas have finished treatment. The pretreatment volume measured by computed axial tomographywas an average of 22.3 cm3. Clinical response with eye opening was observed at an average of 6 weeks. There was a significant regression of the hemangioma in all patients, with an average 82% reduction in volume. Patients were treated with glasses and occlusion therapy as appropriate. Final visual acuities with a follow-up averaging 14 months after cessation of interferon treatment were normal, except that five of 15 patients had amblyopia; one of these patients had 20/40, two had 20/60, and two had 20/70. There were no major illnesses or serious adverse side effects. CONCLUSION: Interferon alfa-2b treatment resulted in good to excellent regression of all the hemangiomas. This regression was clinically significant,with patients able to open the affected eye an average of 6 weeks into treatment. Visual results were good, with moderate amblyopia occurring only in patients treated at a later age. Interferon alfa-2b was well tolerated by these young patients, and no significant illness or side effect has occurred.
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