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Efficacy of tocilizumab therapy in Korean patients with adult-onset Still’s disease: a multicentre retrospective study of 22 cases

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11

 

  1. Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea.
  2. Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea.
  3. Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea.
  4. Ajou University School of Medicine, Suwan, Republic of Korea.
  5. Seoul National University College of Medicine, Seoul, Republic of Korea.
  6. Seoul National University College of Medicine, Seoul, Republic of Korea.
  7. Ilsan Paik Hospital, Inje University, Goyang, Republic of Korea.
  8. Dongguk University, Ilsan Hospital, Goyang, Republic of Korea.
  9. Chung-Ang University College of Medicine, Seoul, Republic of Korea.
  10. Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.
  11. Hanyang University Hospital for Rheumatic Diseases, Seoul, Republic of Korea. dhyoo@hanyang.ac.kr

CER9323
2016 Vol.34, N°6 ,Suppl.102
PI 0064, PF 0071
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PMID: 27462914 [PubMed]

Received: 07/02/2016
Accepted : 26/05/2016
In Press: 26/07/2016
Published: 25/10/2016

Abstract

OBJECTIVES:
To evaluate the efficacy of tocilizumab (TCZ), a monoclonal antibody against the interleukin (IL)-6 receptor, for refractory adult-onset Still’s disease (AOSD) in the Korean population.
METHODS:
This retrospective study included 22 Korean patients with refractory AOSD who were given TCZ at one of seven university hospital-based clinics for rheumatic disease. Patients were subdivided into groups according to disease course: monocyclic, systemic polycyclic, and chronic articular. Modified Pouchot scores, including laboratory and clinical findings, were analysed at 6 months and 12 months.
RESULTS:
TCZ was given at 4-8 mg/kg every 4-5 weeks (8 mg/kg every 4-5 weeks in 18 patients, 6 mg/kg every 4 weeks in 2, and 4 mg/kg every 4 weeks in 2) for 7.5 months (median, IQR: 4.0-12.3). A good response (measured as a decrease of >2 in the modified Pouchot score) was achieved in 50.0% of patients (11 of 22) at 6 months and in 64.3% (9 of 14) at 12 months. The dose of corticosteroid dose was reduced from 11.5 mg/day (median, IQR: 10.0–21.3) immediately before TCZ therapy to 7.5 mg/day (median, IQR: 5.0–10.0, p=0.002) at 6 months and finally to 6.3 mg/day (median, IQR: 5.0–7.5, p=0.002) at 12 months. Only one patient discontinued TCZ treatment due to facial swelling accompanied by high blood pressure. In all others, adverse events subsided with delayed TCZ therapy, and TCZ therapy was continued successfully without problems.
CONCLUSIONS:
TCZ was effective for treating Korean AOSD patients who were refractory to conventional therapy or other anti-cytokine biologics, showing a corticosteroid-sparing effect and an acceptable tolerance profile.

Rheumatology Article