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Childhood-onset Lupus Nephritis Initial Glucocorticoid-dose Harmonization Trial (LIGHT Trial)
Sponsor: Peking Union Medical College Hospital
Summary
Childhood-onset systemic lupus erythematosus (cSLE) is a severe chronic autoimmune disease with a high burden of major-organ involvement. Lupus nephritis (LN) affects more than half of children with SLE, and proliferative LN-including class III, IV, III+V, and IV+V disease-is associated with acute kidney injury, progression to end-stage kidney disease, and poor long-term outcomes. Glucocorticoids remain a cornerstone of induction therapy for proliferative LN. However, the optimal initial dose in children is uncertain. Although recent adult SLE and LN guidelines increasingly recommend lower-dose glucocorticoid regimens with rapid tapering, pediatric guidelines still commonly recommend high initial prednisone doses of 1.5-2.0 mg/kg/day. Adult trials and comparative observational studies suggest that lower-dose glucocorticoid regimens may preserve efficacy while reducing treatment-related toxicity. Because cumulative glucocorticoid exposure in children may impair growth, development, psychosocial well-being, and medication adherence, this trial will compare low-dose versus high-dose initial glucocorticoid regimens for induction treatment of pediatric proliferative LN. The objective is to determine whether a lower-dose regimen is non-inferior in efficacy while reducing glucocorticoid-related adverse effects and improving quality of life.
Official title: Low- Versus High-Dose Initial Glucocorticoid Therapy for Childhood-Onset Proliferative Lupus Nephritis: a Multicenter Open-Label Noninferiority Randomized Controlled Trial
Key Details
Gender
All
Age Range
6 Years - 18 Years
Study Type
INTERVENTIONAL
Enrollment
198
Start Date
2026-07
Completion Date
2029-03
Last Updated
2026-07-22
Healthy Volunteers
No
Interventions
High-dose prednisone
All participants will receive two courses of intravenous methylprednisolone pulse therapy (10-30 mg/kg/day for 3 consecutive days per course; maximum 500 mg/day). Participants will then be randomized in a 1:1 ratio to the two treatment groups. In the standard-dose (control) group, oral prednisone will be initiated at 1.4-1.6 mg/kg/day (maximum 60 mg/day), followed by gradual tapering according to the predefined schedule. For participants weighing \<40 kg, doses will be adjusted in proportion to body weight using the following formula: Individual dose = standard dose × body weight (kg) × 0.025. All participants will receive background therapy with oral hydroxychloroquine, mycophenolate mofetil, and intravenous belimumab at standard doses.
Low-dose prednisone
All participants will receive two courses of intravenous methylprednisolone pulse therapy (10-30 mg/kg/day for 3 consecutive days per course; maximum 500 mg/day). Participants will then be randomized in a 1:1 ratio to the two treatment groups. Participants in the intervention group will receive oral prednisone at an initial dose of 0.6-0.8 mg/kg/day, with a maximum dose of 30 mg/day, followed by gradual tapering according to the predefined schedule. For participants weighing \<40 kg, doses will be adjusted in proportion to body weight using the following formula: Individual dose = standard dose × body weight (kg) × 0.025. The estimated cumulative prednisone dose over 24 weeks will be approximately 50% of that in the control group. All participants will receive background therapy with oral hydroxychloroquine, mycophenolate mofetil, and intravenous belimumab at standard doses.
Locations (8)
Peking Union Medical College Hospital, Chinese Academy of Medical Sciences
Beijing, Beijing Municipality, China
Beijing Children's Hospital, Capital Medical University
Beijing, Beijing Municipality, China
Chidren's Hospital of Chongqing Medical University
Chongqing, Chongqing Municipality, China
Shenzhen Children's Hospital
Shenzhen, Guangdong, China
The Second Xiangya Hospital of Central South University
Changsha, Hunan, China
Children's Hospital of Nanjing Medical University
Nanjing, Jiangsu, China
Jilin University
Changchun, Jilin, China
Children's Hospital of Fudan University
Shanghai, Shanghai Municipality, China