Withdrawal Versus Continued TNF Inhibitor Monotherapy Treatment in Children With Inactive Juvenile Idiopathic Arthritis (The Treat-JIA)
Treatment Strategies for Juvenile Idiopathic Arthritis Patients With Sustained Inactive Disease: A Phase 4, Multicentre, Randomised Trial Comparing Maintenance Versus Tapered TNF Alpha Inhibitor Monotherapy - the Treat-JIA Trial
The goal of this clinical trial is to learn whether children and adolescents with juvenile idiopathic arthritis (JIA) who have had inactive disease for a long time can safely discontinue treatment with a tumour necrosis factor inhibitor (TNF-inhibitor) monotherapy. The trial compares TNFi withdrawal with continued treatment at a stable dose. The main question it aims to answer is whether TNF-inhibitor withdrawal increases the risk of disease flare during 12 months of follow-up compared with continued treatment. The trial will also assess time to flare, time to regain inactive disease after a flare, changes in disease activity, and the overall safety of both treatment strategies during the same period. Ninety patients aged 2 to 17 years with non-systemic JIA will take part. All study participants will have had inactive disease for at least 12 months while on TNF-inhibitor monotherapy with adalimumab, etanercept or golimumab. Participants will be randomly assigned either to continue their current TNF-inhibitor treatment at a stable dose or to TNF-inhibitor withdrawal. The baseline and follow-up visits up to 12 months will be performed at three hospitals in Norway and include disease activity assessment through joint examination and the Juvenile Arthritis Disease Activity Score (JADAS-27), and where side effects and other health problems are recorded. A flare is defined as a clinically significant increase in disease activity together with at least one active joint, or as agreement between the treating physician and the participant or parents that a flare has occurred.
연구 개요
상태
연구 유형
등록 (추정된)
단계
- 4단계
연락처 및 위치
연구 연락처
- 이름: Pernille Bøyesen, MD PhD
- 전화번호: +4723070000
- 이메일: boyper@ous-hf.no
연구 연락처 백업
- 이름: Siri Hetlevik, MD PhD
- 이메일: siri.opsahl@gmail.com
연구 장소
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Drammen, 노르웨이
- Drammen Hospital
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연락하다:
- Cathrine Austad, MD PhD
- 전화번호: +47 32 80 30 00
- 이메일: cataus@vestreviken.no
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Kristiansand, 노르웨이
- Hospital of Southern Norway Hospital Trust
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연락하다:
- Hege Høiberg, MD
- 전화번호: +47 38 07 30 00
- 이메일: hege.hoiberg@sshf.no
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Oslo, 노르웨이
- Oslo University Hospital
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연락하다:
- Siri Hetlevik, MD PhD
- 전화번호: +4723070000
- 이메일: siri.opsahl@gmail.com
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
Inclusion Criteria:
- Participant must be 2-<18 years of age at the time of signing the informed consent.
- Fulfilment of the International League of Associations for Rheumatology (ILAR) classification criteria for non-systemic Juvenile Idiopathic Arthritis (JIA).
- Inactive disease for ≥12 months documented at a minimum of 2 consecutive visits and documented inactive disease according to Wallace criteria at inclusion, and no active uveitis for ≥24 months.
- Stable treatment Tumor Necrosis Factor inhibitor (TNFi) monotherapy for ≥ 12 months. Weight adjustments permitted.
- Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF).
Exclusion Criteria:
- Chronic widespread pain syndrome
- Major comorbidity
- Use of oral, intra-articular, intramuscular or intravenous corticosteroids due to JIA less than 12 months prior to randomization.
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
|
활성 비교기: Stable TNF-inhibitor monotherapy
Continued TNF-inhibitor therapy at a stable dose. This can be adalimumab, etanercept or golimumab. |
Gradual withdrawal of the medication Gradual withdrawal of the medication Gradual withdrawal of the medication Continued stable adalimumab monotherapy Continued stable etanercept monotherapy Continued stable golimumab monotherapy |
|
실험적: TNF-inhibitor withdrawal
Doubled treatment interval of the TNF-inhibitor therapy for 4 months, then subsequent withdraw of the TNF-inhibitor therapy. |
Gradual withdrawal of the medication Gradual withdrawal of the medication Gradual withdrawal of the medication Continued stable adalimumab monotherapy Continued stable etanercept monotherapy Continued stable golimumab monotherapy |
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Proportion of disease flare
기간: 4, 8 and 12 months
|
Disease flare is defined as a combination of: A clinical significant increase in Juvenile Arthritis Disease Activity Score 27 (JADAS-27*) ≥1.7 from baseline AND active joints ≥1 (swollen, or tender + limited range of motion) OR consensus between treating physician and participant/parents that a clinically significant flare has occurred with need of intensification of antirheumatic treatment. |
4, 8 and 12 months
|
2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Time to disease flare
기간: From enrolment to 12 months follow-up
|
Time to disease flare is defined as the time from baseline to the time of disease flare. Disease flare is defined as a combination of: A clinical significant increase in Juvenile Arthritis Disease Activity Score 27 (JADAS-27*) ≥1.7 from baseline AND active joints ≥1 (swollen, or tender + limited range of motion) OR consensus between treating physician and participant/parents that a clinically significant flare has occurred with need of intensification of antirheumatic treatment. |
From enrolment to 12 months follow-up
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Time to regain inactive disease after flare
기간: From enrolment to 12 months follow-up
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Time to regain inactive disease after flare is defined as the time from disease flare to the time of inactive disease. Disease flare is defined as a combination of: A clinical significant increase in Juvenile Arthritis Disease Activity Score 27 (JADAS-27*) ≥1.7 from baseline AND active joints ≥1 (swollen, or tender + limited range of motion) OR consensus between treating physician and participant/parents that a clinically significant flare has occurred with need of intensification of antirheumatic treatment. Inactive disease is defined according to the Wallace definition: No active arthritis, no active uveitis, no morning stiffness >15 minutes, no systemic features (fever/rash/serositis/splenomegaly/lymphadenopathy due to JIA), a physician global assessment of disease activity 0 on a 0-100 scale) and normalization of C-reactive protien (CRP) and ESR. |
From enrolment to 12 months follow-up
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Incidence of adverse events, serious adverse events and suspected unexpected serious adverse reactions
기간: From enrolment to 12 months follow-up
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Assessment of AE, serious AE and suspected unexpected serious adverse reactions |
From enrolment to 12 months follow-up
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Physician global assessment of disease activity
기간: From enrolment to 12 months follow-up
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Physician global assessment of disease activity is measured on a 0-100 mm visual analogue scale (VAS) where higher scores indicate more severe disease. |
From enrolment to 12 months follow-up
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Patient's/parent's global assessment of well-being
기간: From enrolment to 12 months follow-up
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Patient's/parent's global assessment of well-being will be assessed on a 0-100 mm visual analogue scale where higher scores indicate less well-being. |
From enrolment to 12 months follow-up
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Active joint count
기간: From enrolment to 12 months follow-up
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68 joints will be evaluated for swelling, 75 joints/joint areas will be evaluated for tenderness and 70 joints/joint areas will be examined for limitation of motion. Range 0-71 with higher scores indicating more joints with arthritis. |
From enrolment to 12 months follow-up
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Erythrocyte sedimentation rate (ESR)
기간: From enrolment to 12 months follow-up
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Erythrocyte sedimentation rate (ESR) mm/hr |
From enrolment to 12 months follow-up
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Childhood Health Assessment Questionnaire (CHAQ)
기간: From enrolment to 12 months follow-up
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Childhood Health Assessment Questionnaire (CHAQ) assesses physical function, ranges 0-3 where higher scores indicate better physical function |
From enrolment to 12 months follow-up
|
공동 작업자 및 조사자
수사관
- 수석 연구원: Pernille Bøyesen, Oslo University Hospital
연구 기록 날짜
연구 주요 날짜
연구 시작 (추정된)
기본 완료 (추정된)
연구 완료 (추정된)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
키워드
추가 관련 MeSH 약관
기타 연구 ID 번호
- 2026-525611-13-00
- 2026-525611-13-00 (씨티스)
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
IPD 계획 설명
Anonymised individual participant data underlying the results reported in the primary publication may be made available to qualified researchers upon reasonable request
IPD 공유 기간
The study protocol and statistical analysis plan will be published as supplementary material to the primary publication.
IPD 공유 액세스 기준
Anonymised individual participant data underlying the results reported in the primary publication may be made available to qualified researchers upon reasonable request, following independent assessment of the scientific merit of a predefined research question. Data will be shared through a secure system after approval by the sponsor (Oslo University Hospital) and relevant ethics and data protection authorities, and after a data access agreement has been signed, in accordance with GDPR and Norwegian legislation. The study protocol and statistical analysis plan will be published as supplementary material to the primary publication.
IPD 공유 지원 정보 유형
- 연구_프로토콜
- 수액
약물 및 장치 정보, 연구 문서
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