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The Role of Intraarterial Chemotherapy in the Management of Retinoblastoma.

ABSTRACT: Introduction. Retinoblastoma is the most common primary intraocular neoplasm in children. With the advances in medicine, the armamentarium of available treatment modalities has grown. Intraarterial chemotherapy is a relatively new treatment method with promising outcomes. The purpose of this literature review is to evaluate its role in the management of retinoblastoma. Methods:A systematic online search was conducted using Ovid Embase and Ovid Medline. The final results included 23 studies. The studies were published between 2011 and 2019. The studies evaluated the technical success rate of IAC, globe salvage rate, and ocular and systemic complications, as well as the occurrence of deaths, metastasis, and secondary neoplasms. In total, 1827 eyes with retinoblastoma were analysed. The follow-up was between 0 and 252 months. Results:Overall globe retention rate ranged from 30% to 100%. Sixteen out of 23 studies reported ocular salvage between 60 and 80%. Eyelid oedema and erythema were the most commonly reported ocular complications following IAC. The most common systemic complications included nausea, vomiting, and neutropenia. Metastases and deaths were reported in 6 out of 23 studies. Three studies reported the development of secondary neoplasms. The technical success rate of IAC procedure ranged from 91% to 100%. Discussion. The studies have shown that IAC is a safe and effective treatment for advanced retinoblastoma, especially group D. It allows to save the globe without compromising patients' survival. Local and systemic complications are acceptable. The role of IAC in less advanced tumours is yet to be established. Future work should focus on conducting larger prospective studies with longer follow-up. Multiple novel therapies for the management of retinoblastoma are currently being tested, including angiogenic inhibitors and targeted agents. The results seem to be promising. Future advances require a further in-depth understanding of unique genetics of retinoblastoma and complex interactions between tumour cells and their microenvironment.

SUBMITTER: Pekacka A

PROVIDER: S-EPMC7001664 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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The Role of Intraarterial Chemotherapy in the Management of Retinoblastoma.

Pekacka Aleksandra A

Journal of ophthalmology 20200124

<i>Introduction</i>. Retinoblastoma is the most common primary intraocular neoplasm in children. With the advances in medicine, the armamentarium of available treatment modalities has grown. Intraarterial chemotherapy is a relatively new treatment method with promising outcomes. The purpose of this literature review is to evaluate its role in the management of retinoblastoma.<h4>Methods</h4>A systematic online search was conducted using Ovid Embase and Ovid Medline. The final results included 23 ...[more]

PMID: 32047660

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Project description:BackgroundIntravenous chemotherapy (IVC) and intra-arterial chemotherapy (IAC) have become the primary treatments for retinoblastoma; however, some controversy remains over which method is more effective. We conducted a meta-analysis to compare the clinical efficacy of IVC and IAC.MethodsWe systematically searched literature published on PubMed, Embase, and Cochrane Library up to May 2017. Studies containing either IAC or IVC that reported on efficacy were included. The effects estimate was expressed as a pooled rate with 95% confidence interval (CI), using a fixed-effects or random-effects model.ResultsTwenty-six studies were identified which included 1541 eyes (IAC: 11 trials, 445 eyes; IVC: 16 trials, 1096 eyes). The mean follow-up times were 49.4 months (range, 13.0-105.3 months) for IVC and 21.7 months (range, 8.8-38.7 months) for IAC. For the International Classification of Intraocular Retinoblastoma (ICRB) grading, the overall success rate was higher with IAC than with IVC (75.7% [95%CI: 65.7%-83.6%] vs. 69.5% [95%CI: 51.9%-82.8%], P?<?0.001). The globe salvage with IAC was higher than with IVC in group D eyes (79.5% [95%CI: 71.8%-85.4%] vs. 55.1% [95%CI: 45.6%-64.2%], P?<?0.001), but not in groups B (95.8% [95%CI: 57.5%-99.7%] vs. 82.5% [95%CI: 58.9%-94.0%], P?=?0.163), C (91.3% [95%CI: 65.9%-98.3%] vs. 89.0% [95%CI: 69.0%-96.7%], P?=?0.212), and E eyes (51.2% [95%CI: 37.0%-65.2%] vs. 43.2% [95%CI: 18.3%-72.1%], P?=?0.578). IAC and IVC were not significantly different regarding the recurrence and metastasis rates (15.0% vs. 15.4%, P?=?0.148 and 2.7% vs. 0.6%, P?=?0.194, respectively). For Reese-Ellsworth (RE) grading, IAC had a higher globe salvage in groups IV (90.9% [95%CI: 56.0%-98.7%] vs. 66.3% [95%CI: 32.4%-89.0%], P?=?0.047) and V eyes (83.2% [95%CI: 72.0%-90.5%] vs. 59.9% [95%CI: 43.1%-74.6%], P?=?0.003), but not in group I-III eyes (88.6% [95%CI: 58.3%-97.7%] vs. 88.1% [95%CI: 76.6%-94.4%], P?=?0.244). The overall success rate was higher in IAC than in IVC (87.1% [95%CI: 78.1%-92.7%] vs. 77.3% [95%CI: 68.1%-84.4%], P?=?0.033).ConclusionsIAC may be superior to IVC for the treatment of retinoblastoma, with a higher overall success rate and higher globe salvage in group D or groups IV and V eyes.

Project description:PurposeTo report globe salvage rates, patient survival and adverse events of ophthalmic artery chemosurgery (OAC) for International Classification of Retinoblastoma (ICRB) group D retinoblastoma (naive and after prior failures).MethodsSingle institution retrospective review of all Group D eyes treated with OAC from 5/2006-12/2012. Patients were treated according to our previously-published techniques. Primary outcome was globe retention without need for external beam radiotherapy (EBRT). Demographics, prior treatments, OAC agents used, and adverse events were also recorded.Results112 group D eyes (103 patients) that underwent OAC were included (average follow-up was 34 months, range: 2-110 months). 47 eyes were treatment-naïve, 58 eyes received prior treatments elsewhere, and 7 young infants (7 eyes) underwent our published "bridge therapy" (single agent intravenous carboplatin) until old enough to undergo OAC. Median number of OAC sessions/eye was 3 (range 1-9). 110/112 eyes received intra-arterial melphalan, but only 31 eyes received melphalan alone. 43 eyes received carboplatin, and 78 eyes received topotecan (never as a single agent). 80/112 eyes received >1 drug over their treatment course, and 39 eyes received all three agents. 24 eyes (16 pretreated, 7 treatment-naïve, 1 bridge) failed treatment and required enucleation during the study period. Enucleation and EBRT were avoided in 88/112 eyes (78.6%; including 40/47 [85.1%] treatment-naïve eyes, 42/58 [72.4%] previously-treated eyes, and 6/7 eyes [85.7%] among bridge patients). By Kaplan-Meier survival analysis, globe salvage rate was 74% at 110 months among all patients, and 85% at 110 months in the treatment-naïve subgroup. Transient grade 3/4 neutropenia was more common in patients receiving OAC bilaterally. No child died of metastatic disease.ConclusionsOAC is effective for curing group D retinoblastoma, achieving rates of globe salvage many times higher than systemic chemotherapy (10-47%), even in eyes that previously failed other treatments. OAC can be performed multiple times, using multiple agents, on one or both eyes of patients.

Dataset Information

The Role of Intraarterial Chemotherapy in the Management of Retinoblastoma.

Publications

The Role of Intraarterial Chemotherapy in the Management of Retinoblastoma.

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