Salvage Intra-arterial Chemotherapy for Recurrent or Persistent Intraocular Retinoblastoma: A Study of 24 Eyes.

To analyze the outcomes of salvage intra-arterial chemotherapy (IAC) for recurrent or persistent intraocular retinoblastoma after failure with other treatment modalities. Retrospective study. Twenty-four eyes of 23 patients. Intra-arterial chemotherapy. Globe salvage, metastasis, and death. The mean age at the time of salvage IAC was 41 months (median, 36 months; range, 14-86 months). All patients (n = 23) received IV chemotherapy (IVC) as the primary treatment. The mean number of IVC cycles before salvage IAC was 10 (median, 12; range, 6-18). The indications for salvage IAC were tumor recurrence (n = 17; 71%) or persistent tumor (n = 7; 29%) post-IVC. The mean number of salvage IAC cycles was 3 (median, 3; range, 1-6). Of 24 eyes, 17 eyes (71%) achieved tumor regression with salvage IAC, whereas 7 (29%) eyes displayed poor response. Of these 17 eyes with initial tumor regression, 9 (38%) eyes sustained good response, whereas 8 (33%) eyes displayed tumor recurrence over a mean follow-up period of 21 months (median, 21 months; range, 6-44 months). The mean interval between IAC and tumor recurrence (n = 8) was 4 months (median, 3 months; range, 1-14 months). Of these 8 eyes, globe salvage was achieved in 5 (21%) eyes with additional alternate treatment. Of the 7 eyes with poor response to IAC, globe salvage was achieved in 1 (4%) eye with additional alternate treatment. Overall, globe salvage was achieved in 15 (63%) eyes. Salvage IAC is an effective treatment for recurrent and persistent retinoblastoma, enabling globe salvage in 63% cases. The authors have no proprietary or commercial interest in any materials discussed in this article.

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