Randomized Trial of Adjunctive Prednisolone for Kawasaki Disease
BACKGROUND: The effect of adjunctive glucocorticoids in the primary treatment of Kawasaki disease in unselected patients remains unknown. METHODS: In this multicenter, open-label, randomized, controlled trial in China, we assigned participants with newly diagnosed Kawasaki disease in a 1:1 ratio to receive prednisolone plus standard treatment or standard treatment alone. The primary outcome was the occurrence of coronary-artery lesions at 1 month after illness onset. Prespecified key secondary outcomes, for which analyses were not controlled for multiplicity, included receipt of rescue therapy, duration of fever, change in the C-reactive protein (CRP) level, and changes in coronary-artery z scores. RESULTS: A total of 3208 participants underwent randomization, with coronary-artery lesions detected at baseline in 870 of 3184 participants (27.3%). At 1 month, coronary-artery lesions were detected in 16.0% of the participants receiving prednisolone plus standard treatment and in 13.8% of those receiving standard treatment alone (adjusted risk difference, 1.1 percentage points; 95% confidence interval, -1.0 to 3.4; P = 0.31). Rescue therapy was used in 4.6% of the participants receiving prednisolone plus standard therapy and in 10.1% of those receiving standard treatment alone; the median duration of fever was 8.4 hours and 13.2 hours, respectively, and the reductions in the C-reactive protein level at 72 hours were 67.5 mg per liter and 59.8 mg per liter. Decreases in coronary-artery z scores were similar in the two groups. At 3 months, the incidence of coronary-artery lesions was 12.6% with prednisolone plus standard therapy and 10.5% with standard treatment alone; the percentage of participants with progression of coronary-artery lesions was 28.6% and 28.9%, respectively, and the incidence of medium-to-giant coronary-artery aneurysms was 1.9% and 1.1%. The overall incidence of adverse events did not differ significantly between the two groups. CONCLUSIONS: The addition of prednisolone to standard primary treatment for Kawasaki disease did not reduce the incidence of coronary-artery lesions at 1 month after illness onset. (Funded by the Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences and the National Natural Science Foundation of China; ClinicalTrials.gov number, NCT04078568.).
Authors
- Rongzhou Wu (ORCID: https://orcid.org/0000-0003-2386-8104)
- 朱华
- Xianmei Huang
- Xiaoli An (ORCID: https://orcid.org/0000-0002-6680-6205)
- Zhenyu Xiong
- Yalan Dou (ORCID: https://orcid.org/0000-0002-4414-4730)
- Qin Huang (ORCID: https://orcid.org/0000-0002-3788-3789)
- Weili Yan
- Xiaoyan Liu (ORCID: https://orcid.org/0000-0002-1732-5923)
- Siyuan Lin
- Ce Wang (ORCID: https://orcid.org/0000-0001-6682-6495)
- Zipu Li
- Lan Ye (ORCID: https://orcid.org/0000-0002-3508-7359)
- Yi-Xiang Wang (ORCID: https://orcid.org/0000-0002-5246-5497)
- wennan he
- Hua Peng
- Qian Peng
- Silin Pan
- Xuecun Liang
- Yixiang Lin
- Quming Zhao
- Yuanzheng Zheng
- G Y Huang
- L He
- Lu Zhao
- Yuanchen He
- Cuifen Zhao
- Lijun Qin
- Xiaohui Liu
- Yan Li
- Duolao Wang
- Ping Huang
- Fangjie Wang
- Xiaobi Huang
- Fang Liu
- Jingwei Sun
- Shuna Sun
- Feng Wang
- Xiangyu Dong
- Yiling Liu
- Xuehua He
- Haitao Lv
- Yaofei Hu
- Shubin Lin
- Yanling Liao
- Chen Chu
- Yinyin Cao
- Jinhua Piao
Institutions
- Qingdao University (CN)
- Hubei University of Medicine (CN)
- Union Hospital (HK)
- Sun Yat-sen University (CN)
- Bengbu Medical College (CN)
- Hunan Normal University (CN)
- Xuzhou Medical College (CN)
- Jilin University (CN)
- Liverpool School of Tropical Medicine (GB)
- Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
- Wenzhou Medical University (CN)
- Soochow University (CN)
- China International Science and Technology Cooperation (CN)
- Chengdu Women's and Children's Central Hospital (CN)
- Liuzhou Maternal and Child Health Hospital (CN)
- Sun Yat-sen Memorial Hospital (CN)
- Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University (CN)
- Zhengzhou Children's Hospital (CN)
- Taihe Hospital (CN)
- Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital (CN)
- Lanzhou University Second Hospital (CN)
- Inner Mongolia People's Hospital (CN)
- First Hospital of Jilin University (CN)
- Changchun Children's Hospital (CN)
- Kaifeng City Children's Hospital (CN)
- Xuzhou Children Hospital (CN)
- Third Affiliated Hospital of Zhengzhou University (CN)
- Early Intervention Foundation (GB)
- Jiangxi Provincial Children's Hospital (CN)
- Anhui Provincial Children's Hospital (CN)
- Affiliated Hangzhou First People's Hospital, Westlake University, School of Medicine (CN)
- First Affiliated Hospital of Bengbu Medical College (CN)
- Children's Hospital of Fudan University (CN)
- Qilu Hospital of Shandong University (CN)
- Children’s Hospital of Fudan University Xiamen Branch (CN)
- Qingdao Women and Children's Hospital (CN)
- Huazhong University of Science and Technology (CN)
- Lanzhou University (CN)
- Chongqing Medical University (CN)
- China Medical University (CN)
- Guangzhou Medical University (CN)
Publication Details
- Journal
- New England Journal of Medicine
- Published
- 2026-04-15
- DOI
- https://doi.org/10.1056/nejmoa2511478
- Citations
- 3
- Primary Topic
- Kawasaki Disease and Coronary Complications
- Type
- article
- Field-Weighted Citation Impact
- 72.20
Funders
- National Natural Science Foundation of China
- Chinese Academy of Medical Sciences