Survival analysis of prospective and retrospective systematic cohort in newly diagnosed rheumatoid arthritis patients

Survival analysis of prospective and retrospective systematic cohort in newly diagnosed rheumatoid arthritis patients - Systematic cohort Analysis in Keio University - Rheumatoid Arthritis (SAKURA study)

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000000785

Enrollment

900

Registered

2007-08-01

Start date

2007-09-01

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

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Untreated patients who are diagnosed to have rheumatoid arthritis according to the criteria proposed by American College of Rheumatology in 1987 or the criteria proposed by Japan College of Rheumatology in 1994.

Exclusion criteria

Exclusion criteria: Patients already treated with glucocorticosteroids, disease modifying antirheumatic drugs, or immunosuppressive therapy.

Design outcomes

Primary

Measure	Time frame
Kaplan-Meier survival curve	—

Countries

Japan

Contacts

Public ContactYuko Kaneko

Department of Internal Medicine, Keio University School of Medicine Division of Rheumatology

med-rinri-jimu@adst.keio.ac.jp03-3353-1211

Outcome results