Study of RC18 Administered Subcutaneously to Subjects With Systemic Lupus Erythematosus(SLE)

Sponsor
RemeGen Co., Ltd. (Industry)
Overall Status
Completed
CT.gov ID
NCT02885610
Collaborator
(none)
249
1
4
43.2
5.8

Study Details

Study Description

Brief Summary

The purpose of this study is to initially access the safety and effectivity of RC18 combined with standard treatment and Placebo combined with standard therapy in subjects with Moderate to severe SLE, Besides ,to provide dose basis for follow-up clinical trials.

Condition or Disease Intervention/Treatment Phase
  • Biological: Placebo plus standard therapy
  • Biological: RC18 80 mg plus standard therapy
  • Biological: RC18 160 mg plus standard therapy
  • Biological: RC18 240 mg plus standard therapy
Phase 2

Study Design

Study Type:
Interventional
Actual Enrollment :
249 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose:
Treatment
Official Title:
A Phase IIb , Placebo-Controlled ,Multi-Center, Randomized, Double-Blind, Dose-explorating Trial of RC18,a Recombinant Human B Lymphocyte Stimulating Factor Receptor-Antibody Fusion Protein in Subjects With Systemic Lupus Erythematosus (SLE).
Study Start Date :
Dec 1, 2015
Actual Primary Completion Date :
Jun 11, 2019
Actual Study Completion Date :
Jul 9, 2019

Arms and Interventions

Arm Intervention/Treatment
Placebo Comparator: Placebo Comparator

Placebo SC plus standard therapy; placebo once weekly ,and total of 48 doses

Biological: Placebo plus standard therapy
Standard therapy comprises any of the following (alone or in combination): corticosteroids, antimalarials, non-steroidal anti-inflammatory drugs (NSAIDs), and immunosuppressive and immunomodulator therapy(i.e.,azathioprine,mycophenolate ,cyclophosphamide,methotrexate,leflunomide, Tacrolimus ,ciclosporin )
Other Names:
  • Standard therapy
  • Experimental: RC18 80 mg plus standard therapy

    RC18 80 mg/kg SC plus standard therapy RC18 80 mg SC once weekly X 48 doses

    Biological: RC18 80 mg plus standard therapy
    Standard therapy comprises any of the following (alone or in combination): corticosteroids, antimalarials, non-steroidal anti-inflammatory drugs (NSAIDs), and immunosuppressive and immunomodulator herapy(i.e.,azathioprine,mycophenolate ,cyclophosphamide,methotrexate,leflunomide, Tacrolimus ,ciclosporin )
    Other Names:
  • Standard therapy
  • Experimental: RC18 160 mg plus standard therapy

    RC18 160 mg/kg SC plus standard therapy RC18 160 mg SC once weekly X 48 doses

    Biological: RC18 160 mg plus standard therapy
    Standard therapy comprises any of the following (alone or in combination): corticosteroids, antimalarials, non-steroidal anti-inflammatory drugs (NSAIDs), and immunosuppressive and immunomodulator herapy(i.e.,azathioprine,mycophenolate ,cyclophosphamide,methotrexate,leflunomide, Tacrolimus ,ciclosporin )
    Other Names:
  • Standard therapy
  • Experimental: RC18 240 mg plus standard therapy

    RC18 240 mg/kg SC plus standard therapy RC18 240 mg SC once weekly X 48 doses

    Biological: RC18 240 mg plus standard therapy
    Standard therapy comprises any of the following (alone or in combination): corticosteroids, antimalarials, non-steroidal anti-inflammatory drugs (NSAIDs), and immunosuppressive and immunomodulator therapy(i.e.,azathioprine,mycophenolate ,cyclophosphamide,methotrexate,leflunomide, Tacrolimus ,ciclosporin )
    Other Names:
  • Standard therapy
  • Outcome Measures

    Primary Outcome Measures

    1. SLE Responder Index (SRI) Response Rate [Week 48]

      At Week 48, the percent of subjects with ≥ 4 point reduction from baseline in SELENA SLEDAI score and increasing no more than 0.3 points in PGA and no new BILAG A organ domain score or 1 new BILAG B organ domain scores compared with baseline at the time of assessment.

    Secondary Outcome Measures

    1. Percent of subjects with ≥ 4 point reduction from baseline in SELENA SLEDAI score [Week 48]

    Other Outcome Measures

    1. Mean Change From Baseline in PGA [Week 48]

    2. Percent of Subjects Whose Average Prednisone Dose Has Been Reduced by ≥ 25% From Baseline or ≤ 7.5 mg/Day During Weeks 44 Through 48 [Week 44 through 48]

    3. Mean Change From Baseline in Serological Examination Index(IgG、IgA、IgM) CD19+、Anti-dsDNA 、Complent C3、C4 [week 48]

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years to 65 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:
    • Active SLE disease,and at least according with 4 of the 11 items of the American College of Rheumatology (ACR) criteria 1997.

    • Age & Gender: Male or female between 18 and 65 years of age inclusive,and the sex ratio is not limited

    • Signed informed consent form,willing or able to participate in all required study evaluations and procedures.

    • SELENA-SLEDAI(Safety of Estrogens in Lupus Erythematosus National Assessment SLE Disease Activity Index) score ≥ 8 during the screening period.and if there is hypocomlement or the Anti-dsDNA score, SELENA-SLEDAI disease activity score should be at least 6 at screening .

    • Autoantibody-positive

    • on a stable SLE treatment regimen for at least 30 days prior to Day 1, which consisted of any of the following (alone or in combination): cortical hormone,anti-malarials,non-steroidal anti inflammatory drugs (NSAIDs),or any immunosuppressive and immunomodulator therapy(i.e.,azathioprine,mycophenolate ,cyclophosphamide,methotrexate,leflunomide, Tacrolimus ,ciclosporin ).

    Exclusion Criteria:
    • Severe lupus nephritis within two months(designed as:Urine protein>6g/24h or serum creatinine ( SCr)>2.5mg/dL or 221umol/L ) or needing for hemodialysis or recepting high dose cortical hormone ≥14 days( metacortandracin>100mg/d or equivalent)

    • Central nervous system disease caused by SLE or non SLE within two months (including epilepsy, mental disease,organic encephalopathy syndrome,cerebrovascular accident, encephalitis, central nervous system vasculitis);

    • there are serious heart, liver, kidney and other important organs and blood, endocrine system diseases and medical history;

    Evaluation criteria for severity :
    1. Alanine aminotransferase(ALT)or aspartate aminotransferase (AST) ≥2 upper limit of normal (ULN);

    2. Creatinine Clearance (Ccr)<30ml/min;

    3. White Blood Cell Count(WBCs)<2.5x 10(9)/L;

    4. hemoglobin<85g/L;

    5. Platelets<50x 10(9)/L.

    • Have a historically active hepatitis or active hepatitis or medical history,hepatitis B :Patients with positive HBsAg are excluded.;Hepatitis C: Patients with hepatitis C antibody positive are excluded;

    • Immune deficiency, uncontrolled severe infection and patients with active or recurrent peptic ulcer;

    • Pregnant , lactating women and men or women who have birth plans in the past 12 months ;

    • Have a history of allergic reaction to human biological medicines.

    • Receipt of live vaccine within 1 month;

    • Have participated in any clinical trial in the first 28 days of the initial screening or 5 times half-life period of the study compound (taking the time for the elderly).

    • Have received treatment with B cell targeted therapy such as Rituximab or Epratuzumab etc.

    • Receipt of anti-tumor necrosis factor、interleukin receptor antagonist;

    • Receipt of IV immunoglobulin(IVIG),prednisone>100mg/d more than 14 days or plasma exchange;

    • There are active infections (such as herpes zoster, human immunodeficiency virus (HIV) virus infection, active tuberculosis, etc.) during the screening period;

    • Patients have depression or the significant suicide ideation;

    • Investigator considers candidates not appropriating for the study.

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Peking Union Medical College Hospital Beijing Beijing China

    Sponsors and Collaborators

    • RemeGen Co., Ltd.

    Investigators

    • Principal Investigator: Fengchun Zhang, Peking Union Medical College Hospital

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    RemeGen Co., Ltd.
    ClinicalTrials.gov Identifier:
    NCT02885610
    Other Study ID Numbers:
    • C005 SLECLLI
    First Posted:
    Aug 31, 2016
    Last Update Posted:
    Mar 4, 2020
    Last Verified:
    Mar 1, 2020
    Individual Participant Data (IPD) Sharing Statement:
    Undecided
    Plan to Share IPD:
    Undecided
    Additional relevant MeSH terms:

    Study Results

    No Results Posted as of Mar 4, 2020