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Adherence to Treatment with Methotrexate in Rheumatoid Arthritis: Cross-sectional study

Adherence to Treatment with Methotrexate in Rheumatoid Arthritis: Cross-sectional study - Adherence to Treatment with Methotrexate in Rheumatoid Arthritis

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000012680
Enrollment
176
Registered
2013-12-25
Start date
2014-01-09
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

None listed

Sponsors

Division of Rheumatology, Department of Medicine, Showa University
Lead Sponsor
Tokyo University of Pharmacy and Life Sciences Tohoku University University of California, Los Angeles
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. 20 years and older 2. Outpatients diagnosed with rheumatoid arthritis 3. Currently taking methotrexate for at least 3 months

Exclusion criteria

Exclusion criteria: 1. Cognitive disorder, agitation or delirium 2. Severe psychiatric disorder 3. Patients judged inappropriate for this study by the health care provider

Design outcomes

Primary

MeasureTime frame
Level of adherence of methotrexate measured by the MMAS-8

Secondary

MeasureTime frame
Relationship between the level of adherence and the clinical anchor. The clinical anchors are followed; Disease Activity Score (DAS) - 28 as the disease activity, SF-8 as QOL measurement, modified Health Assessment Questionnaire as ADL measurement, Beliefs about Medicines Questionnaire as the patients' beliefs measurement, CES-D as depression assessment, Brief Pain inventory item 2 to 5 as pain intensity assessment, and Common Terminology Criteria for Adverse Events version 4.0 as adverse events assessment. Relationship between the adherence and patients' demographics. Discriminant validity of MMAS-8 by assessing social desirability.

Countries

Japan

Contacts

Public ContactTakashi Kawaguchi

Tokyo University of Pharmacy and Life Sciences Department of Practical Pharmacy

tkawa@toyaku.ac.jp042-676-1521

Outcome results

None listed

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