Lupus & antiphospholipid syndrome

Allogeneic umbilical cord-derived mesenchymal stromal cells as treatment for systemic lupus erythematosus: a single-centre, open-label, dose-escalation, phase 1 study

Lancet RheumatolPublished Phase 1 dose-escalation study

Authors' conclusion

Our results suggest that a single infusion of 2 × 106 cells per kg or 4 × 106 cells per kg of allogeneic umbilical cord-derived mesenchymal stromal cells was safe in patients with severe SLE.

Study context

Population
Patients aged 18–70 years with systemic lupus erythematosus (SLE) (ACR criteria, positive ANA), SELENA-SLEDAI score of 6 or more, refractory to first and second line therapies; Saint-Louis University Hospital, Paris, Franceenrolment terminated early
Participants
8 patients
Outcome
Rate of treatment-related severe adverse events (grade ≥3)
Follow-up
First 10 days after infusion
Methodological detailsprospective, single-centre, open-label, Bayesian, No patients received the 1 × 106 dose
  • Prospective
  • Single-centre
  • Open-label
  • Bayesian
  • No patients received the 1 × 106 dose

Main finding

As reported in the abstract

Severe adverse events

UC-MSC

0

events

Observational data: associations, not effects.

Safety

OutcomeValues
Infusion-related adverse events (two grade 1, one grade 2), in two patients · first 10 days after infusionUC-MSC 3 events
Treatment-related severe adverse events · 12.4 months (range 12-13) of follow-upUC-MSC 0 events
Non-treatment-related severe adverse events, in one patient after relapse · 12.4 months (range 12-13) of follow-upUC-MSC 3 events

Original publication

Allogeneic umbilical cord-derived mesenchymal stromal cells as treatment for systemic lupus erythematosus: a single-centre, open-label, dose-escalation, phase 1 study. Lancet Rheumatol. Published 17 December 2024. doi:10.1016/s2665-9913(24)00298-4

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.