Actively Recruiting

Phase 4
Age: 2Years - 18Years
All Genders
NCT05643651

Rivaroxaban for Children Aged Over 2 Years With Giant Coronary Artery Aneurysms After Kawasaki Disease

Led by Children's Hospital of Fudan University · Updated on 2025-07-02

100

Participants Needed

1

Research Sites

117 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Based on population pharmacokinetic model-based simulation, a 15 mg-equivalent, age-, and bodyweight-adjusted dosing regimen for Chinese children with giant coronary artery aneurysms after acute Kawasaki disease was proposed. This exploratory trial aims to evaluate the feasibility, safety and effectiveness of rivaroxaban compared to warfarin for thromboprophylaxis in children aged over 2 years with giant coronary artery aneurysms after Kawasaki disease

CONDITIONS

Official Title

Rivaroxaban for Children Aged Over 2 Years With Giant Coronary Artery Aneurysms After Kawasaki Disease

Who Can Participate

Age: 2Years - 18Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Children aged 2 years or older
  • Diagnosed with giant coronary artery aneurysm(s) after acute Kawasaki disease confirmed by two-dimensional echocardiography with Z-score ≥10 or artery diameter ≥8mm
  • Recommended to receive anticoagulant with antiplatelet therapy for thromboprophylaxis for the next 3 months
  • Able to tolerate oral feeding, nasogastric, or gastric feeding
Not Eligible

You will not qualify if you...

  • Active bleeding or bleeding risk that contraindicates anticoagulant therapy
  • History of venous thromboembolism or risk factors such as congenital heart disease, cancer, central venous catheter, or long-term immobilization
  • Confirmed thrombus within giant coronary aneurysm by imaging
  • Estimated glomerular filtration rate (eGFR) less than 30 mL/min/1.73 m2 or high serum creatinine in children under 1 year
  • Platelet count below 100 x 10^9/L
  • Liver disease with coagulopathy, or elevated liver enzymes (alanine aminotransferase > 5x upper limit) or bilirubin abnormalities
  • Uncontrolled high blood pressure above 95th percentile for age
  • Use of strong inhibitors of CYP3A4 and P-glycoprotein (certain HIV protease inhibitors and systemic azole-antimycotics except fluconazole)
  • Use of strong inducers of CYP3A4 such as rifampicin, rifabutin, phenobarbital, phenytoin, or carbamazepine
  • Allergic reaction or contraindications to study treatments
  • Inability to cooperate with study procedures and follow-up
  • Refusal to provide informed consent

AI-Screening

AI-Powered Screening

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Trial Site Locations

Total: 1 location

1

Children's Hospital of Fudan University

Shanghai, Shanghai Municipality, China, 201102

Actively Recruiting

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Research Team

F

Fang Liu, MD

CONTACT

G

Guangan Dai

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

PREVENTION

Number of Arms

2

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Rivaroxaban for Children Aged Over 2 Years With Giant Coronary Artery Aneurysms After Kawasaki Disease | DecenTrialz