A Study to Investigate the Pharmacokinetics and Safety of Dupilumab in Participants ≥2 Years to <12 Years of Age With Uncontrolled Chronic Spontaneous Urticaria (CSU) (LIBERTY-CSU CUPIDKids)

Columbia University Irving Medical Center Site Number : 8400003, New York

Boston Childrens Health Physicians Site Number : 8400017, Hawthorne

Pediatric Dermatology of Miami Site Number : 8400015, Coral Gables

Monroe Carell Jr. Childrens Hospital at Vanderbilt- Site Number : 8400005, Nashville

Childrens Hospital Medical Center of Akron- Site Number : 8400020, Akron

Washington University School of Medicine- Site Number : 8400004, St Louis

Vital Prospects Clinical Research Institute, P.C.- Site Number : 8400002, Tulsa

Treasure Valley Medical Research Site Number : 8400019, Boise

Cincinnati Children's Hospital Medical Center - PIN- Site Number : 8400001, Cincinnati

Investigational Site Number : 1240009, Calgary

Investigational Site Number : 1240010, Edmonton

Investigational Site Number : 1240007, Hamilton

Investigational Site Number : 1240001, Montreal

Investigational Site Number : 3920001, Yokohama

Investigational Site Number : 3920002, Tsu