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Background <p>Tumour necrosis factor (TNF) receptor-1 associated periodic syndrome (TRAPS) is an autoinflammatory condition. Most treatment options require regular injections, posing challenges for individuals with needle phobia.</p> Findings <p>We reviewed the medical records of two siblings, a now 14-year-old female, and her 10-year-old brother, both diagnosed with TRAPS in early infancy. Both children responded to on-demand oral corticosteroid therapy, but due to frequent flares, persistent biochemical inflammation and poor growth, steroid-sparing therapies were required. Non-standard first-line therapies were subsequently selected as the eldest child had developed a needle phobia, and she was commenced on an oral Janus kinase (JAK) inhibitor. The younger brother was treated with tocilizumab, reflecting parental preference to minimise frequent injections. Over the last two years, both children have demonstrated significant improvement, with almost no further TRAPS flares, normalisation of baseline inflammatory markers and improvements in their growth trajectories. No adverse effects were reported on either agent.</p> Conclusions <p>JAK inhibitor therapy and tocilizumab were effective in our two cases of TRAPS. To our knowledge, this is the first report describing the use of a JAK inhibitor in TRAPS, while also adding to the limited published experience with tocilizumab in TRAPS.</p>

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The use of JAK inhibitors and tocilizumab in the management of TRAPS: a sibling case study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月17日

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  • David Thai,
  • Georgina Tiller,
  • Jonathan Akikusa,
  • Mark Taranto,
  • Kathryn Shepherd,
  • Seth L. Masters,
  • Sam Mehr

摘要

Background

Tumour necrosis factor (TNF) receptor-1 associated periodic syndrome (TRAPS) is an autoinflammatory condition. Most treatment options require regular injections, posing challenges for individuals with needle phobia.

Findings

We reviewed the medical records of two siblings, a now 14-year-old female, and her 10-year-old brother, both diagnosed with TRAPS in early infancy. Both children responded to on-demand oral corticosteroid therapy, but due to frequent flares, persistent biochemical inflammation and poor growth, steroid-sparing therapies were required. Non-standard first-line therapies were subsequently selected as the eldest child had developed a needle phobia, and she was commenced on an oral Janus kinase (JAK) inhibitor. The younger brother was treated with tocilizumab, reflecting parental preference to minimise frequent injections. Over the last two years, both children have demonstrated significant improvement, with almost no further TRAPS flares, normalisation of baseline inflammatory markers and improvements in their growth trajectories. No adverse effects were reported on either agent.

Conclusions

JAK inhibitor therapy and tocilizumab were effective in our two cases of TRAPS. To our knowledge, this is the first report describing the use of a JAK inhibitor in TRAPS, while also adding to the limited published experience with tocilizumab in TRAPS.