Skip to content

-An assessor-blinded, subject-blinded, double-dummy, active-controlled, randomised trial to compare the safety and efficacy of subcutaneous methotrexate (MJK101) with oral methotrexate in methotrexate-naive subjects with active rheumatoid arthritis followed by an open-label, single-arm extension to assess the long-term safety of MJK101

An assessor-blinded, subject-blinded, double-dummy, active-controlled, randomised trial to compare the safety and efficacy of subcutaneous methotrexate (MJK101) with oral methotrexate in methotrexate-naive subjects with active rheumatoid arthritis followed by an open-label, single-arm extension to assess the long-term safety of MJK101

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080224844
Enrollment
100
Registered
2019-08-22
Start date
2019-08-26
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Rheumatoid Arthritis

Interventions

investigational material(s) Generic name etc : methotrexate INN of investigational material : methotrexate Therapeutic category code : 399 Agents affecting metabolism, n.e.c. Dosage and Administration

Sponsors

medac GmbH
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Subjects with no history of treatment with MTX by any route of administration (Part 1 only). 2.Subjects with a diagnosis of RA based on the 2010 EULAR/ACR criteria and have less than 2 year of disease duration (from diagnosis to the Screening Visit). 3.Subjects with a moderate or severe disease activity (DAS28 ESR >= 3.2) at the Screening Visit and the Baseline Visit. 4.Subjects with >= 4 tender joints and >= 4 swollen joints at the Screening Visit and the Baseline Visit (Part 1 only).

Exclusion criteria

Exclusion criteria: 1.Female subjects of childbearing potential and not practicing an appropriate method of birth control during the trial. 2.Male subjects, if fertile and sexually active, must agree to use highly effective methods of contraception if their female partners are of childbearing potential starting at the Screening Visit, throughout the entire trial period, and for at least 6 months after the final investigational product administration. 3.Subjects who are positive for the human immunodeficiency virus (HIV) antibody, hepatitis B surface antigen (HBsAg), hepatitis B surface antibody (HBsAb) and / or the hepatitis B core antibody (HBcAb), hepatitis C antibody test at the Screening Visit. 4.Subjects with pulmonary tuberculosis (TB) or atypical mycobacterial infection, subjects with other serious infections (including sepsis, abscess, or opportunistic infection, or deep mycosis such as histoplasmosis) 5.Subjects with a strongly suspected previous TB infection by a positive or repeated indeterminate test result for interferon-gamma release assay (IGRA) at the Screening Visit. 6.Considered ineligible by the investigator or co-investigator.

Design outcomes

Primary

MeasureTime frame
efficacy ACR20 response at Week 12

Secondary

MeasureTime frame
safety efficacy -ACR20 response at Trial Weeks 4 and 8. -DAS28 ESR and proportion of subjects in the DAS28 ESR disease activity categories (remission, low, moderate, and high) at Trial Weeks 4, 8, and 12. -response at Trial Weeks 24, 36, 52, and 64. -DAS28 ESR and proportion of subjects in the DAS28 ESR disease activity categories (remission, low, moderate, and high) at Trial Weeks 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, and 64. -Incidence of DDs, AEs, adverse device effects (ADEs), serious AEs (SAEs), or serious ADEs (SADEs)

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026