Comparison of intravitreal ganciclovir monotherapy and combination with foscarnet as initial therapy for cytomegalovirus retinitis
Comparison of intravitreal ganciclovir monotherapy and combination with foscarnet as initial therapy for cytomegalovirus retinitis
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DOI:
10.18240/ijo.2018.10.10
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发表时间:
2018-10-18
影响因子:
1.4
通讯作者:
Hwang, De-Kuang
中科院分区:
文献类型:
--
作者:
Fan, Jing-Jing;Tao, Yong;Hwang, De-Kuang
AIM: To compare the effectiveness between multiple intravitreal injections of ganciclovir alone and combined with foscarnet as initial treatment for patients with newly-onset cytomegalovirus retinitis (CMVR).METHODS: The retrospective study observed 37 patients (58 eyes) who suffered from CMVR onset between 2013 and 2015. Among them, 35 eyes underwent 4 weekly intravitreal injections of 3.0 mg ganciclovir, and 23 eyes underwent 4 weekly injections of 3.0 mg ganciclovir combined with 2.4 mg foscarnet. Visual acuity, intraocular pressure and viral load of cytomegalovirus (CMV) in aqueous humor measured by real-time polymerase chain reaction were compared before and after each injection.RESULTS: CMV-DNA copies in aqueous humor decreased remarkably in both groups. The average of CMV-DNA copies in patients' aqueous decreased from 38.3x10(4) copies/mL at baseline to 2.2x10(4) copies/mL after the 4th injection in patients who were treated with ganciclovir monotherapy, and decreased from 76.9x10(4) copies/mL to 11.3x10(4) copies/mL after 4 continuous injections of ganciclovir combined with foscarnet. No significant difference was found in reduction of viral load, change of visual acuities or intraocular pressures between monotherapy or combined therapy.CONCLUSION: Results of this study show that the initial effectiveness of treating CMVR after 4 weekly intravitreal injections is not significantly different from ganciclovir alone or combined with foscarnet. Continuous injection of ganciclovir alone is sufficient in treating immunosuppressive patients with newly-onset CMVR.