Ophthalmology · 2005
Prospective randomized trial of trimethoprim/sulfamethoxazole versus pyrimethamine and sulfadiazine in the treatment of ocular toxoplasmosis.
Сравнительное исследованиеСтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Soheilian Masoud, Sadoughi Mohammad-Mehdi, Ghajarnia Mehdi, Dehghan Mohammad H, Yazdani Shahin, Behboudi Hassan, Anisian Arash, Peyman Gholam A
Аннотация
OBJECTIVE: To compare the efficacy of the classic treatment of ocular toxoplasmosis (pyrimethamine, sulfadiazine, and prednisolone) with a regimen consisting of trimethoprim/sulfamethoxazole (co-trimoxazole) plus prednisolone.
DESIGN: Prospective randomized single-blind clinical trial.
PARTICIPANTS: Fifty-nine patients with active ocular toxoplasmosis were randomly assigned to 2 treatment groups: 29 were treated with pyrimethamine/sulfadiazine, and 30 patients received trimethoprim/sulfamethoxazole.
INTERVENTION: Treatment consisted of 6 weeks' treatment with antibiotics plus steroids. Antitoxoplasmosis antibodies (immunoglobulin M [IgM] and IgG) were measured using an enzyme-linked immunosorbent assay.
MAIN OUTCOME MEASURES: Changes in retinochoroidal lesion size after 6 weeks' treatment, visual acuity (VA) before and after intervention, adverse drug reactions during follow-up, and rate of recurrence.
RESULTS: Active toxoplasmosis retinochoroiditis resolved in all patients over 6 weeks' treatment, with no significant difference in mean reduction of retinochoroidal lesion size between the 2 treatment groups (61% reduction in the classic treatment group and 59% in the trimethoprim/sulfamethoxazole group, P = 0.75). Similarly, no significant difference was found in VA after treatment between the 2 groups (mean VAs after treatment were 0.12 logarithm of the minimum angle of resolution [logMAR] [20/25] in the classic treatment group and 0.09 logMAR [20/25] in the trimethoprim/sulfamethoxazole group, P = 0.56). Adverse effects were similar in both groups, with one patient in each suffering from any significant drug side effects. The overall recurrence rate after 24 months' follow-up was 10.16%, with no significant difference between the treatment groups (P = 0.64).
CONCLUSIONS: Drug efficacies in terms of reduction in retinal lesion size and improvement in VA were similar in a regimen of trimethoprim/sulfamethoxazole and the classic treatment of ocular toxoplasmosis with pyrimethamine and sulfadiazine. Therapy with trimethoprim/sulfamethoxazole seems to be an acceptable alternative for the treatment of ocular toxoplasmosis.
DESIGN: Prospective randomized single-blind clinical trial.
PARTICIPANTS: Fifty-nine patients with active ocular toxoplasmosis were randomly assigned to 2 treatment groups: 29 were treated with pyrimethamine/sulfadiazine, and 30 patients received trimethoprim/sulfamethoxazole.
INTERVENTION: Treatment consisted of 6 weeks' treatment with antibiotics plus steroids. Antitoxoplasmosis antibodies (immunoglobulin M [IgM] and IgG) were measured using an enzyme-linked immunosorbent assay.
MAIN OUTCOME MEASURES: Changes in retinochoroidal lesion size after 6 weeks' treatment, visual acuity (VA) before and after intervention, adverse drug reactions during follow-up, and rate of recurrence.
RESULTS: Active toxoplasmosis retinochoroiditis resolved in all patients over 6 weeks' treatment, with no significant difference in mean reduction of retinochoroidal lesion size between the 2 treatment groups (61% reduction in the classic treatment group and 59% in the trimethoprim/sulfamethoxazole group, P = 0.75). Similarly, no significant difference was found in VA after treatment between the 2 groups (mean VAs after treatment were 0.12 logarithm of the minimum angle of resolution [logMAR] [20/25] in the classic treatment group and 0.09 logMAR [20/25] in the trimethoprim/sulfamethoxazole group, P = 0.56). Adverse effects were similar in both groups, with one patient in each suffering from any significant drug side effects. The overall recurrence rate after 24 months' follow-up was 10.16%, with no significant difference between the treatment groups (P = 0.64).
CONCLUSIONS: Drug efficacies in terms of reduction in retinal lesion size and improvement in VA were similar in a regimen of trimethoprim/sulfamethoxazole and the classic treatment of ocular toxoplasmosis with pyrimethamine and sulfadiazine. Therapy with trimethoprim/sulfamethoxazole seems to be an acceptable alternative for the treatment of ocular toxoplasmosis.
Предметные рубрики MeSH
AdolescentAdultAnimalsAntibodies, ProtozoanAntiprotozoal AgentsChildChorioretinitisDrug Therapy, CombinationEnzyme-Linked Immunosorbent AssayFemaleHumansImmunoglobulin GImmunoglobulin MMaleMiddle AgedProspective StudiesPyrimethamineRecurrenceSingle-Blind MethodSulfadiazineToxoplasmaToxoplasmosis, OcularTreatment OutcomeTrimethoprim, Sulfamethoxazole Drug CombinationVisual Acuity