Optimization of Glucocorticoid Taper Strategies for SLE-ITP

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ENROLLING_BY_INVITATION

Clinical Phase

NA

Total Enrollment

120 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-08-15

Study Completion Date

2025-12-01

Brief Summary

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SLE associated immune thrombocytopenia (SLE-ITP) is one of the main clinical manifestations of SLE. Approximately 70% of SLE patients follow a relapsing-remitting course. Similarly, SLE-ITP often relapses during GCs tapering. At the same time, patients with SLE-ITP may suffer from thrombocytopenia and damage to vital organs when they relapse, seriously affecting their lives. Therefore, maintenance therapy after remission is an inevitable choice for SLE-ITP.

The SLE guidelines recommend GCs and immunosuppressive agents(ISA) are first-line maintenance treatment in the treatment of SLE-ITP. GCs is indispensable in SLE treatment, but it is associated with a series of side effects, which are related to the dosage and duration of use. How to maintain remission with the most appropriate dose of GCs is a problem that needs to be considered in clinical practice. However, the existing guidelines lack detailed recommendations on the specific use of GCs in maintenance therapy for SLE-ITP, and there is also a lack of relevant clinical studies to guide. The GCs reduction regimen commonly used in maintenance therapy is a gradual reduction after 1 month of adequate GCs therapy, usually by 10% of the original dose every 2 weeks. However, the side effects of this reduction method are obvious, and whether the treatment can be maintained with less cumulative dose and maintenance duration of GCs is an urgent problem to be solved.

Clinical observations show that in a small number of patients with relative contraindications to GCs, a more rapid taper can maintain an effective response. Currently, rapid dosing reduction is recommended in both Lupus nephritis(LN) and the ANCA-associated nephritis guidelines of ACR. However, SLE-ITP changes more rapidly than LN. Although similar maintenance responses have been observed in a few patients between rapid dosing reduction and conventional method, relevant clinical studies are lacking. It is necessary to explore the effectiveness of rapid GCs tapering method.

Therefore, the investigators plan to conduct a single-center, prospective, randomized design, non-blind, non-inferiority controlled study on the optimization of GCs taper strategy for SLE-ITP maintenance therapy.In this study,sustained response rate and relapse rate within 3 months and 6 months were observed to judge the effectiveness of rapid GCs taper strategy, thus providing a basis for clinical GCs taper strategy.

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Detailed Description

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Complete response was defined as a platelet count ≥100x10\^9/L and the absence of bleeding and new other symptoms.Complete response would be confirmed by platelet counts on 2 separate occasions 7 days apart. Adequate glucocorticoids treatment was defined as at least a dose 50mg/day of prednisone (or equivalent glucocorticoids) for patients with weight less than 50kg, 60mg/day for patients with weight 50-75kg , 75mg/day for patients with weight more than 75kg. Adequate glucocorticoids were used for induction, and the total duration of adequate glucocorticoids treatment for patients enrolled was no longer than 3 weeks.Neither Thrombopoietin receptor agonist(TPO-RA) nor intravenous immunoglobulin(IVIG)were permitted in induction therapy or maintenance therapy.In addition to hydroxychloroquine(HCQ), other immunosuppressive agents are not permitted in induction therapy or maintenance therapy. After confirmation of complete response, the patients enrolled were randomly divided into two groups according to two different methods of GCs taper.

Conditions

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Lupus Erythematosus, Systemic Purpura, Thrombocytopenic, Idiopathic Glucocorticoids Adverse Effect of Glucocorticoids

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Standard GCs taper group

After a complete response (PLT ≥100x10\^9/L) was confirmed, the dose of prednisone (or equivalent dose of glucocorticoids) would be reduced by 2 tablets every two weeks. When it reaches 6 tablets /d, the dose would be reduced by 1 tablet every 2 weeks, and when it reaches 15mg/d, the dose would be reduced by half tablet every 2 weeks.

Group Type NO_INTERVENTION

No interventions assigned to this group

rapid GCs taper group

After a complete response (PLT ≥100x10\^9/L) was confirmed, the dose of prednisone (or equivalent dose of glucocorticoids) would be cut in half (25mg/d for weight less than 50kg, 30mg/d for weight 50-75kg , 40mg/d for weight more than 75kg ). After that, the dose would be reduced by 2 tablets every two weeks. When it reaches 6 tablets /d, the dose would be reduced by 1 tablet every 2 weeks, and when it reaches 15mg/d, the dose would be reduced by half tablet every 2 weeks.

Group Type EXPERIMENTAL

rapid GCs taper

Intervention Type PROCEDURE

After a complete response was achieved, the GCs dose was halved from the original dose.

Interventions

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rapid GCs taper

After a complete response was achieved, the GCs dose was halved from the original dose.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

1. Men and women aged 14-75 (including 14 and 75);
2. It meets the 2012 Systemic lupus Erythematosus International Collaborative Group (SLICC) classification criteria or the 2019 ACR and European Society of Rheumatology (EULAR) classification criteria ;
3. severe SLE-ITP patients with PLT≤30x10\^9/L at onset and complete response (PLT ≥100x10\^9/L) after induction therapy within 3 weeks;
4. Prior to the commencement of any study-specific procedure, the patient or legal representative must provide signed and dated written informed consent.

Exclusion Criteria

1. Relapse in the presence of glucocorticoid and/or immunosuppressive maintenance therapy;
2. Combined with antiphospholipid syndrome;
3. Combined with other important organ damage such as lupus nephritis, neuropsychiatric lupus;
4. Coexisting immune diseases require glucocorticoid and/or immunosuppressive therapy;
5. There are serious comorbidities affecting treatment such as diabetes, severe hypertension, coronary heart disease;
6. self-evaluation affected by poor understanding ability, vision decline and other reasons ;
7. Poor adherence and failure to adhere to treatment as prescribed. -

Minimum Eligible Age

14 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No