Determining the impact of Benzathine penicillin G prophylaxis in children with latent rheumatic heart disease (GOAL trial): Study protocol for a randomized controlled trial

被引:26
作者
Beaton, Andrea [1 ,2 ]
Okello, Emmy [3 ]
Engelman, Daniel [4 ,5 ,6 ]
Grobler, Anneke [5 ,6 ]
Scheel, Amy [7 ]
DeWyer, Alyssa [8 ]
Sarnacki, Rachel [8 ]
Omara, Isaac Otim [3 ]
Rwebembera, Joselyn [3 ]
Sable, Craig [8 ]
Steer, Andrew [4 ,5 ,6 ]
机构
[1] Cincinnati Childrens Hosp Med Ctr, Heart Inst, Cincinnati, OH 45229 USA
[2] Univ Cincinnati, Coll Med, Dept Pediat, Cincinnati, OH USA
[3] Uganda Heart Inst, Kampala, Uganda
[4] Univ Melbourne, Dept Paediat, Ctr Int Child Hlth, Melbourne, Vic, Australia
[5] Murdoch Childrens Res Inst, Melbourne, Vic, Australia
[6] Royal Childrens Hosp, Melbourne, Vic, Australia
[7] Emory Sch Med, Atlanta, GA USA
[8] Childrens Natl Med Ctr, Washington, DC 20010 USA
关键词
HAND-HELD ECHOCARDIOGRAPHY; SCIENTIFIC STATEMENT; HIGH PREVALENCE; GLOBAL BURDEN; FEVER; DIAGNOSIS; SCHOOL; SCHOOLCHILDREN; ENDOCARDITIS; ASSOCIATION;
D O I
10.1016/j.ahj.2019.06.001
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background Rheumatic heart disease (RHD) remains a high prevalence condition in low- and middle-income countries. Most individuals with RHD present late, missing the opportunity to benefit from secondary antibiotic prophylaxis. Echocardiographic screening can detect latent RHD, but the impact of secondary prophylaxis in screen-detected individuals is not known. Methods/Design This trial aims to determine if secondary prophylaxis with every-4-week injectable Benzathine penicillin G (BPG) improves outcomes for children diagnosed with latent RHD. This is a randomized controlled trial in consenting children, aged 5 to 17 years in Northern Uganda, confirmed to have borderline RHD or mild definite RHD on echocardiography, according to the 2012 World Heart Federation criteria. Qualifying children will be randomized to every-4-week injectable intramuscular BPG or no medical intervention and followed for a period of 2 years. Ongoing intervention adherence and retention in the trial will be supported through the establishment of peer support groups for participants in the intervention and control arms. A blinded echocardiography adjudication panel consisting of four independent experts will determine the echocardiographic classification at enrollment and trajectory through consensus review. The primary outcome is the proportion of children in the BPG-arm who demonstrate echocardiographic progression of latent RHD compared to those in the control arm. The secondary outcome is the proportion of children in the BPG-arm who demonstrate echocardiographic regression of latent RHD compared to those in the control arm. A sample size of 916 participants will provide 90% power to detect a 50% relative risk reduction assuming a 15% progression in the control group. The planned study duration is from 2018-2021. Discussion Policy decisions on the role of echocardiographic screening for RHD have stalled because of the lack of evidence of the benefit of secondary prophylaxis. The results of our study will immediately inform the standard of care for children diagnosed with latent RHD and will shape, over 2-3 years, practical and scalable programs that could substantially decrease the burden of RHD in our lifetime.
引用
收藏
页码:95 / 105
页数:11
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