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Abstract Number: 123

Juvenile Spondyloarthritis in the Childhood Arthritis and Rheumatology Research Alliance (CARRA) Registry: High Biologic Use, Low Prevalence of HLA-B27, and Equal Sex Representation in Those with Sacroiliitis

Dax Rumsey1, Aimee Lougee 2, Roland Matsouaka 2, David Collier 3, Laura Schanberg 4, Jennifer Schenfeld 5, Natalie Shiff 6, Matthew Stoll 7, Scott Stryker 8, Pamela Weiss 9 and Timothy Beukelman 7 for the CARRA investigators, 1University of Alberta, Edmonton, Canada, 2Duke University, Durham, 3Amgen, Thousand Oaks, 4Duke Children's Hospital & Health Center, Durham, North Carolina, 5Amgen, Long Beach, 6Florida, Gainesville, 7University of Alabama at Birmingham, Birmingham, 8Amgen, Inc, San Francisco, 9Children's Hospital of Philadelphia, Philadelphia

Meeting: 2020 Pediatric Rheumatology Symposium

Keywords: Juvenile idiopathic arthritis-enthesitis (ERA), juvenile spondylarthropathy, Psoriatic arthritis

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Session Information

The 2020 Pediatric Rheumatology Symposium, originally scheduled for April 29 – May 2, was postponed due to COVID-19; therefore, abstracts were not presented as scheduled.

Date: Saturday, May 2, 2020

Session Title: Poster Session 3

Session Type: ACR Abstract Session

Session Time: 4:15PM-5:15PM

Background/Purpose: To describe characteristics of children with enthesitis-related arthritis (ERA) and juvenile psoriatic arthritis (JPsA) enrolled in the Childhood Arthritis and Rheumatology Research Alliance (CARRA) Registry.

Methods: All children with ERA and JPsA were identified.  Demographics, clinical characteristics, and treatments were described.  Those with and without sacroiliitis were compared.  In those with sacroiliitis, the first visit with clinically active sacroiliitis was compared to the first visit without.

Results: Nine hundred two children with ERA or JPsA were identified.  Children with ERA were older at diagnosis (10.8 vs. 8.2 years) and more likely male (56% vs. 38%).  Polyarticular involvement was reported in 57% and 72% of those with ERA and JPsA.  Sacroiliitis was reported in 40% and 12% of those with ERA and JPsA.  HLA-B27 was positive in 38% and 12% of those with ERA and JPsA.  At least one biologic was taken by 72% and 64% of those with ERA and JPsA.

Twenty-eight percent of the children had sacroiliitis (diagnosed clinically and/or by imaging).  Of these, 54% were female, 36% were HLA-B27 positive, and 81% took at least one biologic.

In children with sacroiliitis, the physician global, parent/patient global, active joint count, and cJADAS 10 were all significantly worse during the first visit with clinically active sacroiliitis versus the first visit without.

Conclusion: In the CARRA Registry, there are over 900 children with ERA or JPsA.  There was high biologic use in this population, especially in those with sacroiliitis.  Further, there was equal sex representation in those with sacroiliitis.

Table 1: Characteristics of Children with Enthesitis Related Arthritis (ERA) or Psoriatic Arthritis (PsA) by JIA Category at the Most Recently Occurring Visit

Table 2: Characteristics of Children with Enthesitis Related Arthritis (ERA) or Psoriatic Arthritis (PsA) by Sacroiliitis Category (Ever Reported by Clinical Exam or Imaging)

Table 3: Characteristics of Children with Ever Reported Sacroiliitis at First Visit with Clinically Active Sacroiliitis Versus First Visit without Clinically Active Sacroiliitis


Disclosure: D. Rumsey, None; A. Lougee, None; R. Matsouaka, None; D. Collier, Amgen, Inc, 1, 2; L. Schanberg, Sanofi, 1, UCB, 1, Sobi, 1, 2, CARRA, 1, BMS, 1; J. Schenfeld, Amgen, Inc., 1, 2; N. Shiff, Abbvie, 1, 2, Novartis, 1, 2, Gliead, 1, 2, Mylan, 1, 2; M. Stoll, None; S. Stryker, Amgen, Inc, 1, 2, 3; P. Weiss, Lily, 1; T. Beukelman, UCB, 1, Novartis, 1.

To cite this abstract in AMA style:

Rumsey D, Lougee A, Matsouaka R, Collier D, Schanberg L, Schenfeld J, Shiff N, Stoll M, Stryker S, Weiss P, Beukelman T. Juvenile Spondyloarthritis in the Childhood Arthritis and Rheumatology Research Alliance (CARRA) Registry: High Biologic Use, Low Prevalence of HLA-B27, and Equal Sex Representation in Those with Sacroiliitis [abstract]. Arthritis Rheumatol. 2020; 72 (suppl 4). https://acrabstracts.org/abstract/juvenile-spondyloarthritis-in-the-childhood-arthritis-and-rheumatology-research-alliance-carra-registry-high-biologic-use-low-prevalence-of-hla-b27-and-equal-sex-representation-in-those-with-sacr-2/. Accessed August 15, 2022.
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