Preclinical Acute Ocular Safety Study of Combined Intravitreal Carboplatin and Etoposide Phosphate for Retinoblastoma

Copyright 2017, SLACK Incorporated.

Bibliographische Detailangaben
Veröffentlicht in:Ophthalmic surgery, lasers & imaging retina. - 2013. - 48(2017), 2 vom: 01. Feb., Seite 151-159
1. Verfasser: Mohney, Brian G (VerfasserIn)
Weitere Verfasser: Elner, Victor M, Smith, Andrew B, Harbour, J William, Smith, Brian D, Musch, David C, Smith, Stephen J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Ophthalmic surgery, lasers & imaging retina
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Antineoplastic Agents Organophosphorus Compounds etoposide phosphate 528XYJ8L1N Etoposide 6PLQ3CP4P3 Carboplatin BG3F62OND5
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245 1 0 |a Preclinical Acute Ocular Safety Study of Combined Intravitreal Carboplatin and Etoposide Phosphate for Retinoblastoma 
264 1 |c 2017 
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500 |a Date Revised 27.03.2018 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a Copyright 2017, SLACK Incorporated. 
520 |a BACKGROUND AND OBJECTIVE: To describe the ocular toxicity of intravitreal carboplatin and etoposide phosphate (VP16P) in Dutch-Belted rabbits 
520 |a MATERIALS AND METHODS: Twenty-two adult male Dutch-Belted rabbits (Cohort 1) each received a single, bilateral intravitreal injection (0.05 mL). For Cohort 1, safety was assessed via electroretinograms (ERGs) and ocular examination. Of nine total groups in Cohort 1, the first five received the following single agents: Group 1: normal saline; Group 2: VP16P 75 µg; Group 3: VP16P 100 µg; Group 4: carboplatin 4 µg; and Group 5: carboplatin 8 µg. Groups 6 through 9 received the following combination of carboplatin/ VP16P, respectively: Group 6: 8 µg/75 µg, Group 7: 8 µg/50 µg, Group 8: 4 µg/50 µg, and Group 9: 2 µg/25 µg. Cohort 2 consisted of 15 Dutch-Belted rabbits in seven groups (Groups 10 through 16), each receiving a single, bilateral intravitreal injection. For Cohort 2, safety was assessed via histopathology 
520 |a RESULTS: Groups 2 through 8 demonstrated a statistically significant decrease (relative to Group 1) in at least one ERG waveform amplitude obtained 4 weeks postinjection (P < .05). Group 9 (carbo 2 µg/VP16P 25 µg) did not manifest ERG toxicity. Fundoscopic toxicity consisted of slight-to-moderate attenuation of vessels in rabbits receiving doses above carbo 4 µg/VP16P 50 µg. Histopathologic retinal toxicity (Cohort 2) was dose-dependent, ranging from full-thickness atrophy in rabbits receiving the highest dose to normal in rabbits receiving carbo 2 µg/VP16P 25 µg 
520 |a CONCLUSIONS: Combined carboplatin and VP16P may be compatible for intravitreal injection therapy, and a single dose of 2 µg/25 µg appears to be safe in a rabbit model. These agents may be a safer alternative to intravitreal melphalan (Alkeran; GlaxoSmithKline, Brentford, United Kingdom) for the treatment of vitreous seeds in retinoblastoma. [Ophthalmic Surg Lasers Imaging Retina. 2017;48:151-159.] 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Antineoplastic Agents  |2 NLM 
650 7 |a Organophosphorus Compounds  |2 NLM 
650 7 |a etoposide phosphate  |2 NLM 
650 7 |a 528XYJ8L1N  |2 NLM 
650 7 |a Etoposide  |2 NLM 
650 7 |a 6PLQ3CP4P3  |2 NLM 
650 7 |a Carboplatin  |2 NLM 
650 7 |a BG3F62OND5  |2 NLM 
700 1 |a Elner, Victor M  |e verfasserin  |4 aut 
700 1 |a Smith, Andrew B  |e verfasserin  |4 aut 
700 1 |a Harbour, J William  |e verfasserin  |4 aut 
700 1 |a Smith, Brian D  |e verfasserin  |4 aut 
700 1 |a Musch, David C  |e verfasserin  |4 aut 
700 1 |a Smith, Stephen J  |e verfasserin  |4 aut 
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