Stratified Therapy on Pediatric AAGN

Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis Clinical Trial

— STPARS  

Official title:

Stratified Therapy on Pediatric AAGN Based on Risk Assessment-A Prospective, Multicenter, Open, Tendentious Matched Control Clinical Study

Clinical Trial Details — Status: Recruiting

Administrative data

• NCT number: NCT05969522
• Other study ID #: ANCA20230706
• Status: Recruiting
• Phase: Phase 4
• Start date: January 1, 2023
• Est. completion date: December 31, 2025

Study information

• Verified date: July 2023
• Source: Children's Hospital of Chongqing Medical University
• Contact: cheng Zhong
• Phone: 15823857537
• Email: zhongcheng_cy2018[@]163.com
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

Clinical information of children with ANCA-associated nephritis admitted to Children's Hospital Affiliated to Chongqing Medical University and partner centers from January 1, 2023 to December 31, 2023 was collected:

To evaluate and compare the differences in survival, renal outcomes, and adverse reactions in children with ANCA-associated nephritis given different interventions according to the revised PARRG risk stratification, and to evaluate the superiority of ANCA-associated nephritis given according to the revised PARRG risk stratification.

(2) To evaluate the efficacy and safety of glucocorticoid combined with rituximab and cyclophosphamide as induction regimen in high-risk group and glucocorticoid combined with rituximab as induction regimen in children with ANCA-associated nephritis (AAGN) in low and middle risk group based on PARRG risk stratification

Recruitment information / eligibility

• Status: Recruiting
• Enrollment: 200
• Est. completion date: December 31, 2025
• Est. primary completion date: December 31, 2023
• Accepts healthy volunteers: No
• Gender: All
• Age group: 5 Years to 17 Years

Eligibility

Inclusion Criteria:

• 1) Newly diagnosed AAGN patients with onset age of 5-17 years, complete renal biopsy and regular follow-up in the hospital; 2) All enrolled children met the following inclusion criteria: ANCA classification criteria: Patients who meet the 2007 European Medicines Agency (EMA) classification algorithm or the 2012 CHCC definition. Clinical classification includes: micropolyvasculitis (MPA), granulomatous polyvasculitis (GPA) and eosinophilic granulomatous polyvasculitis (EGPA);

AAGN diagnostic criteria: ANCA vasculitis combined with any of the following:

1. Hematuria: gross hematuria or microscopic hematuria: 3 times microscopic hematuria within 1 week: red blood cells > in urine routine; 3 / high magnification field (HP) or > 17 /ul (higher than normal value, can be adjusted according to the standard of the laboratory of each center);

2. proteinuria: meet any of the following: ? 3 times in 1 week urine routine protein positive; 2) 24h urinary protein quantification > 150 mg or urinary protein/creatinine (mg/mg)> 0.2; 3 urinary microalbumin higher than normal for 3 times in 1 week;

3. Renal insufficiency: increased serum creatinine > 10% base or decreased creatinine clearance > 25%.

Exclusion Criteria:

• 1) Patients who relied on dialysis for more than 1 month at the time of diagnosis, or the proportion of glomerular sclerosis =75% at the time of renal biopsy; 2) Patients with severe infection (such as diffuse peritonitis, severe pneumonia, cellulitis, active Epstein-Barr virus infection, active cytomegalovirus infection, hepatitis B virus infection, tuberculosis infection, fungal infection, etc.) and tumor.

3) Patients with other primary or secondary kidney diseases (such as IgA nephropathy, membranous nephropathy, anti-glomerular basement membrane nephritis, polycystic kidney disease, renal dysplasia, urinary tract malformation, etc.); 4) Parents or children refused to join the group.

Related Conditions & MeSH terms

• Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis
• Glomerulonephritis
• Vasculitis

Intervention

Drug:
• GlucoCorticoid
The high-risk group: methylprednisolone intravenous 15-30mg/kg/d (Max.500mg/d)*3 days , with 2 courses, interval 5-7 days;Oral prednisone acetate 1.5-2mg/kg/d (Max. 60mg/d) during methylprednisolone impact interval and later stage, with the first reduction after 2-4 weeks. The dose was reduced once every 3 weeks in the first 3 months, and once every 4 weeks in the next 3 months, with a reduction of 5-10mg/ day each time; Rituximab:375 mg/m2/ time, once a week for 4 times;Intravenous cyclophosphamide 7.5-10mg/kg.d*2 days(Max.500mg/d), once every 4 weeks, twice in total, at the 8th and 12th week.The medium-low risk group: methylprednisolone was the same dose as before, but only with 1 course, then followed by oral prednisone acetate 1.5-2mg/kg/d (Max. 60mg/d), divided into three times for 3 weeks, and then changed to morning daily; The dose was reduced as the high-risk group ;Rituximab was the same dose as before.

Locations

Country	Name	City	State
China	Children's Hospital of Chongqing Medical University	Chongqing	Chongqing

Sponsors (1)

Lead Sponsor	Collaborator
Wang Mo

Country where clinical trial is conducted

China, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Response rate (complete and partial response rate)	The rate of complete or partial response to ANCA vasculitis-associated nephritis (AAGN) was assessed at 6 months. Complete AAGN response was defined as: 1. Estimated glomerular filtration rate (eGFR) =60ml/min/1.73m2, or a decrease of less than 15% from baseline eGFR; 2. Proteinuria =0.3g/24 hours.Partial AAGN response was defined as: 1. Estimated glomerular filtration rate (eGFR) =30ml/min/1.73m2, or a reduction of less than 50% from baseline eGFR; 2. Decreased proteinuria>Baseline 50% or 24-hour urinary protein quantification<50mg/Kg.d.	6 months
Secondary	The time to achieve complete and partial AAGN remission	The time to achieve complete and partial AAGN remission	6 months