Combined therapy of prednisone and mammalian target of rapamycin (mTOR) inhibitor sirolimus for treating retroperitoneal fibrosis

Ann Rheum DisPublished Single-arm clinical trial

An erratum to this article was published (Ann Rheum Dis, Oct 2023 ↗)

Authors' conclusion

Our combined therapy resulted in significant fibrosis remission and an overall regression of the immune system towards healthy states, while achieving good tolerance.

Study context

Population
Patients with retroperitoneal fibrosis (RPF)
Participants
8 patients
Outcome
Fibrous tissue mass (CT), inflammation markers and kidney function with combined prednisone + sirolimus
Follow-up
48 weeks

Main finding

As reported in the abstract

Markers of acute inflammation reduced

70%

Further findings

Immune profiles

Fibrosis-related T cell subsets (TH2, TH17, circulating TFH) reduced
TNF and related cytokines restored to healthy levels

Original publication

Combined therapy of prednisone and mTOR inhibitor sirolimus for treating retroperitoneal fibrosis. Ann Rheum Dis. Published 31 January 2023. doi:10.1136/ard-2022-223736

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