Initial clinical trial of epratuzumab (humanized anti-CD22 antibody) for immunotherapy of systemic lupus erythematosus
2006

Epratuzumab for Treating Systemic Lupus Erythematosus

Sample size: 14 publication 10 minutes Evidence: moderate

Author Information

Author(s): Dörner Thomas, Kaufmann Joerg, Wegener William A, Teoh Nick, Goldenberg David M, Burmester Gerd R

Primary Institution: Charite Hospital, Berlin, Germany

Hypothesis

The safety and activity of anti-B cell immunotherapy with epratuzumab was evaluated in SLE patients.

Conclusion

Epratuzumab was well tolerated and showed evidence of clinical improvement in patients with systemic lupus erythematosus.

Supporting Evidence

  • Total BILAG scores decreased by ≥ 50% in all 14 patients at some point during the study.
  • 93% of patients experienced improvements in at least one BILAG B- or C-level disease activity.
  • Epratuzumab was well tolerated, with a median infusion time of 32 minutes.
  • Drug serum levels were measurable for at least 4 weeks post-treatment.

Takeaway

This study tested a new medicine called epratuzumab to help people with lupus, and it seemed to make them feel better without causing serious side effects.

Methodology

An open-label, single-center study where patients received 360 mg/m2 epratuzumab intravenously every 2 weeks for 4 doses.

Potential Biases

Potential bias due to the open-label design and lack of a control group.

Limitations

The study was small and open-label, which may limit the generalizability of the results.

Participant Demographics

14 Caucasian patients (13 females and 1 male; median age 40 years).

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/ar1942

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