Rheumatoid arthritis

Effectiveness and Safety of Tofacitinib in Canadian Patients With Rheumatoid Arthritis: Primary Results From a Prospective Observational Study

Arthritis Care Res (Hoboken)Published Prospective observational study

Authors' conclusion

Tofacitinib was associated with early and sustained improvement in RA signs and symptoms in real-world patients.

Study context

Population
Patients with moderate to severe rheumatoid arthritis (RA) initiating tofacitinib, 45 Canadian sites, October 2017 to July 2020
Participants
504 patients45 Canadian sites
Outcome
Co-primary: CDAI-defined low disease activity and remission
Follow-up
Month 6
Methodological detailsmulticentre, interim analysis
  • Multicentre
  • Interim analysis

Main finding

As reported in the abstract

Clinical Disease Activity Index (CDAI)-defined low disease activity (LDA)

52.9%

CDAI-defined remission

15.4%

Observational data: associations, not effects.

Secondary outcomes

DAS28-ESR/DAS28-CRP LDA and remission · month 3

DAS28-ESR-defined LDA
27.2%
DAS28-CRP <3.2
41.7%
DAS28-ESR remission
14.7%
DAS28-CRP <2.6
25.8%

Pain (VAS) · month 3

Mild pain (VAS <20 mm)
29.6%
Moderate (≥30%) pain improvement
55.6%
Substantial (≥50%) pain improvement
42.9%

HAQ DI · month 3

HAQ DI ≥ normative values (≤0.25)
19.9%
HAQ DI ≥ minimum clinically important difference (MCID) (≥0.22)
53.7%

Maintenance of outcomes · month 18

Outcomes generally maintained to month 18

Safety

Incidence rates (events per 100 patient-years) · to month 36

Treatment-emergent adverse events (AEs)
126.8
Serious AEs
11.9
Discontinuations due to AEs
14.5
AEs of special interest were infrequent

Original publication

Effectiveness and Safety of Tofacitinib in Canadian Patients With Rheumatoid Arthritis: Primary Results From a Prospective Observational Study. Arthritis Care Res (Hoboken). Published 10 October 2022. doi:10.1002/acr.24966

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.