Biomarker, JAK Inhibitor, Musculoskeletal Ultrasound, Rheumatoid Arthritis
Conditions
Brief summary
The administration of Janus kinase (JAK) inhibitors as well as biological disease-modifying anti-rheumatic drugs has dramatically improved even the clinical outcomes in rheumatoid arthritis (RA) patients with inadequate response to methotrexate (MTX). Upadacitinib is a selective JAK1 inhibitor to be approved for use in RA. Nearly half of patients added JAK inhibitors including upadacitinib can achieve clinical remission in RA patients with inadequate response to MTX. As the next step, it is the great issue whether disease activity can be maintained in good condition even if MTX is discontinued after achieving clinical remission in patients treated with the combination of JAK inhibitors and MTX. Thus, it is desirable to investigate the maintenance of clinical non-relapse after discontinuation of MTX in RA patients with clinical remission during treatment with upadacitinib plus MTX. In this study, we will evaluate the proportion of patients who maintained nonclinical relapse after discontinuation of MTX in patients with RA who achieved clinical remission after treatment with upadacitinib plus MTX. We will also use musculoskeletal ultrasound (MSUS) assessments to determine whether discontinuation of MTX can be maintained nonclinical relapse in RA patients achieving clinical remission.
Interventions
DRUGupadacitinib 15mg/day
Patients will receive upadacitinib 15mg/day and continue to receive same doses of MTX until 24 weeks. If patients achieve a European League Against Rheumatism (EULAR) moderate response or a Disease Activity Score 28 (DAS28-CRP) ≤3.2 at 12 weeks, and a DAS28-CRP of \<2.6 at 24 weeks, they will discontinue MTX, and continue upadacitinib until 48 weeks.
Sponsors
AbbVie
Atsushi Kawakami
Study design
Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
20 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* Patients must meet all of the following requirements to be considered for entry into the study: 1. ≥20 years old 2. with the diagnosis of RA based on the American College of Rheumatology (ACR) /EULAR 2010 RA Classification Criteria 3. with at least moderate DAS28-CRP \>3.2 at the eligibility evaluation 4. with at least one PD score positive joint of 22 joints examined MSUS at the eligibility evaluation 5. treated with MTX for ≥8 weeks prior to the providing consent, including 4 weeks or more at the same doses of 6 to 16 mg per week 6. ability and willingness to provide written informed consent and comply with the requirements of the study protocol.
Exclusion criteria
* The
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| maintenance of DAS28-CRP <=3.2 from week 24 to 48 in patients who achieve the DAS28-CRP <2.6 at week 24. | at week 48 |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| changes in the clinical disease activity index (CDAI) value | from baseline to weeks 12, 24, 36, and 48 | Higher scores mean a more active of RA. |
| achievement of EULAR moderate response | at week 12 | — |
| changes in the DAS28-CRP value | from baseline to weeks 12, 24, 36, and 48 | Higher scores mean a more active RA. |
| achievement of DAS28-CRP <=3.2 | at weeks 12, 24 and 36 | — |
| achievement of DAS28-CRP <2.6 | at weeks 12, 24, 36 and 48 | — |
| clinical relapse (DAS28-CRP >3.2) at week 48 in patients who achieve the DAS28-CRP <2.6 at week 24 | at week 48 | — |
| changes in the simplified disease activity index (SDAI) value | from baseline to weeks 12, 24, 36, and 48 | Higher scores mean a more active of RA. |
| achievement of CDAI <=2.8 | at weeks 12, 24, 36 and 48 | — |
| changes in the DAS28-ESR value | from baseline to weeks 12, 24, 36, and 48 | Higher scores mean a more active RA. |
| changes in the serum levels of biomarkers | from baseline to weeks 12, 24, 36, and 48 | We analyze the serum levels of multiple biomarkers such as cytokines and chemokines. |
| changes in the total power Doppler (PD) score | from baseline to weeks 12, 24, 36, and 48 | The minimum: 0, max: 66. Higher scores mean a more active RA. |
| changes in the total grayscale (GS) score | from baseline to weeks 12, 24, 36, and 48 | The minimum: 0, max: 66. Higher scores mean a more active RA. |
| changes in the combined PD score | from baseline to weeks 12, 24, 36, and 48 | The minimum: 0, max: 66. Higher scores mean a more active RA. |
| changes in the total PD score | from week 24 to weeks 36 and 48 | The minimum: 0, max: 66. Higher scores mean a more active RA. |
| changes in the total GS score | from week 24 to weeks 36 and 48 | The minimum: 0, max: 66. Higher scores mean a more active RA. |
| change in van der Heijde-modified total Sharp score (vdH-mTSS) | from baseline to weeks 12, 24, 36 and 48 | The minimum: 0, max: 3. Higher scores mean a more joint destruction and deformity. |
| change in vdH-mTSS | from week 24 to weeks 36 and 48 | Higher scores mean a more joint destruction and deformity. |
| achievement of SDAI <=3.3 | at weeks 12, 24, 36 and 48 | — |
Countries
Japan
Contacts
Primary ContactAtsushi Kawakami, MD, PhD
Backup ContactToshimasa Shimizu, MD, PhD
Outcome results
None listed