About this trial
gG4-related disease (IgG4-RD) is a newly recognized systemic autoimmune disease that can involve the pan-creatobiliary tract, retroperitoneum/aorta, head and neck region, and salivary glands, et al. Glucocorticoids are the first-line agents for the treatment of IgG4-RD, however, in order to maintain long-term disease stability and avoid disease relapse, glucocorticoids maintenance therapy should last for a long period, which may induce various glucocorticoid-associated adverse reactions. Sirolimus plays dual roles in inhibiting lymphocyte activation and fibroblast proliferation. It is inferred from its mechanism that sirolimus is a good potential treatment option for IgG4-RD. Therefore, we conducted this single-arm clinical trial on patients with IgG4-RD to determine the efficacy and safety of sirolimus.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients diagnosed with IgG4-RD according to the 2011 Comprehensive Diagnostic Criteria for IgG4-RD;
Status classified as active disease based on an IgG4-RD Responder Index (RI) ≥2 at screening.
Disqualifiers
None
Trial design
Single group
Treatments tested in this trial
Sirolimus
DrugSirolimus The efficacy is evaluated at 12 weeks, and treatment will be adjusted according to the control of disease and adverse effects.For experimental group, if a patient is assessed as treatment failure (TS), the patient should be withdrawn from the study and receive rescue treatment. Whereas, a patient would be transferred to the control group if he/ she cann't stand the side effects of sirolimus but not serious adverse event (SAE).
Treatment groups
Trial outcomes
Primary outcomes
PrRelapse rate
For patients who achieve disease response at 12 weeks, recurrence is defined as increases in the IgG4-RD RI ≥2 and/or the need for the reinstitution of treatment.
Secondary outcomes
Disease response rate at 12 weeks
Disease response is defifined as an improvement of the IgG4-RD RI ≥2 compared with baseline.
Remission rate at 48 weeks
Remission is defined as the achievement of an IgG4-RD RI of 0
Improvement of patient's global assessment (PGA)
PGA is a validated visual analogue scale that is scored by placing a vertical mark along a 100 mm horizontal line. Zero millimetre indicates no disease activity. A mark of 100 mm indicates the most active disease possible
Locations
Sponsors and contacts
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