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Belimumab in Idiopathic Inflammatory Myositis (BIM)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT02347891
Recruitment Status : Active, not recruiting
First Posted : January 28, 2015
Last Update Posted : September 10, 2019
Information provided by (Responsible Party):
Galina Marder, MD, Northwell Health

Brief Summary:
The goal of the trial is to evaluate the efficacy and safety of belimumab as a maintenance therapy in adults with refractory Idiopathic inflammatory myositis (IIM) as compared with standard of care. This is a multicentre double-blind, placebo-controlled trial.

Condition or disease Intervention/treatment Phase
Myositis Drug: Belimumab Drug: Placebo Phase 2 Phase 3

Detailed Description:
Adults with refractory IIM will be enrolled. IIM is defined as Dermatomyositis (DM) or Polymyositis (PM), meeting the Bohan & Peter (1975) diagnostic criteria for definite or probable DM or PM. Refractory IIM is defined as chronic active IIM with a history of inadequate response or intolerance to three months of glucocorticoids and/or at least a history of inadequate response or intolerance to three months of one other immunosuppressive agent (IS) (azathioprine, methotrexate, mycophenolate mofetil, leflunomide, tacrolimus, cyclosporine, cyclophosphamide, Rituximab or intravenous gamma globulin [IVIG]).

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 60 participants
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Triple (Participant, Care Provider, Investigator)
Primary Purpose: Treatment
Official Title: Belimumab for Maintenance Therapy in Idiopathic Inflammatory Myositis
Study Start Date : January 2015
Estimated Primary Completion Date : December 2020
Estimated Study Completion Date : December 2020

Arm Intervention/treatment
Experimental: Belimumab + Standard of Care

Patients in this arm will be given belimumab with a background of standard of care therapy during the randomized controlled treatment period.

Patients in this arm will continue to receive belimumab during the open label phase of the study (week 40 - week 64)

Drug: Belimumab
Randomized phase: Week 0 - Week 36
Other Name: Benlysta

Active Comparator: Placebo + Standard of Care

Patients in this arm will be given a placebo with a background of standard of care therapy during the randomized controlled treatment period.

Patients in this arm will receive belimumab during the open label phase of the study (week 40 - week 64).

Drug: Placebo
Randomized phase: Week 0 - Week 36
Other Name: Saline IV bag

Primary Outcome Measures :
  1. Response Rate [ Time Frame: 40 weeks ]
    percentage of patients meeting definition of improvement (DOI) in both groups

Secondary Outcome Measures :
  1. Incidence of Flares [ Time Frame: 40 and 64 weeks ]
    The flare rates in patients in belimumab arm compared to the flare rates of patients in the placebo arm

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

Subjects enrolled in the study must meet the following inclusion criteria:

  1. Adults >18 years of age
  2. Have a diagnosis of:

    1. definite or probable dermatomyositis (DM) or
    2. Definite or probable diagnosis of polymyositis (PM) with presence of one of myositis specific antibodies. In the absence of myositis specific auto-antibodies, the diagnosis of PM will require review of the muscle biopsy and adjudication by the predetermined committee of experts.
  3. Presence of positive autoantibody (ANA >1:80 or RNP or SSA/SSB or any of the myositis specific autoantibody: antisynthetase autoantibodies (anti-Jo-1, PL-7, PL-12, EJ, OJ, KS), anti-SRP, anti-Mi-2, anti-p140).
  4. Have refractory IIM as defined by inadequate response or intolerance to at least 3 months of glucocorticoids and/or at least one other immunosuppressive agent, such as azathioprine, methotrexate, IVIG, mycophenolate mofetil, leflunomide, tacrolimus, cyclosporine cyclophosphamide, and Rituximab.
  5. Have active IIM at screening. This requires at least 3 criteria from the CSM
  6. Dermatomyositis patients that do not meet the MMT criteria, must have:

    1. a cutaneous VAS score of >3 cm on a 10 cm VAS scale (MDAAT) will be required:
    2. elevation of at least one muscle enzyme (creatine kinase [CK]; aldolase; lactate dehydrogenase [LDH]; alanine aminotransferase [ALT]; or aspartate aminotransferase [AST]) to a minimum level of 1.3 times the upper limit of normal,
    3. and 1 additional core set measure
  7. For patients with ≥ 7 years of IIM, muscle biopsy or muscle MRI within 4 months prior to enrollment will be required to document active myositis to avoid enrolling patients with significant index of damage/ muscle atrophy. This is not applicable to DM patients with a cutaneous VAS score of >3 cm on a 10 cm VAS scale (MDAAT).
  8. Have a stable background glucocorticoid therapy for at least 2 weeks prior to screening (Prednisone (or equivalent) dose < 15 mg daily)
  9. Have a stable immunosuppressive therapy (IS) (azathioprine, mycophenolate mofetil, tacrolimus, cyclosporine for > 2 months prior to screening. Patients on intravenous gamma globulin (IVIG) have to be on a stable dose and frequency regimen for ≥ 3 months.
  10. Have the ability to understand the requirements of the study and provide written informed consent (including consent for the use and disclosure of research-related health information) and comply with the study protocol procedures (including required study visits)
  11. Female subjects of childbearing potential must have a negative urine pregnancy test at screening and agree to 1 of the following:

    1. Complete abstinence from intercourse from 2 weeks prior to administration of the 1st dose of study agent until 16 weeks after the last dose of study agent (Sexual inactivity by abstinence must be consistent with the preferred and usual lifestyle of the subject. Periodic abstinence (e.g. calendar, ovulation, symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of contraception); or
    2. Consistent and correct use of 2 of acceptable methods of birth control for 1 month prior to the start of the study agent, during the study, and 16 weeks after the last dose of study agent

Exclusion Criteria:

Subjects meeting any of the following criteria will be excluded from the study:

  1. Have severe muscle damage as defined by a Muscle Damage Index (MDI) > 5.0 cm using a visual analogue scale (VAS) 10.0 cm in length or evidence of severe muscle atrophy on muscle MRI.
  2. History of malignant neoplasm within the last 5 years, except for adequately treated cancers of the skin (basal or squamous cell).
  3. Have a history of a primary immunodeficiency
  4. Have a significant IgG deficiency (IgG level < 400 mg/dl) Have an IgA deficiency (IgA level < 10 mg/dL)
  5. Discontinuation IS agent < 3 months prior to Screening. Including: azathioprine, methotrexate, mycophenolate mofetil, leflunomide, tacrolimus, cyclosporine, or intravenous gamma globulin [IVIG]
  6. Have received Rituximab within 365 days prior to Screening.
  7. Have received cyclophosphamide within 180 days prior to Screening
  8. Have received treatment with:

    1. Initiated IVIG 3 months prior to Screening
    2. Pulse steroids 2 months prior to Screening
  9. Have received treatment with Belimumab at any time prior to Screening
  10. Have received a biologic investigational agent within 365 days prior to Screening.
  11. Have received a non-biologic investigational agent within 30 days or 5 half-lives of the agent (whichever is longer) prior to Screening.
  12. Have a history of an anaphylactic reaction to parenteral administration of contrast agents, human or murine proteins or monoclonal antibodies.
  13. Infection history:

    1. Currently on any suppressive therapy for a chronic infection (such as tuberculosis - including latent tuberculosis, pneumocystis, cytomegalovirus, herpes simplex virus, herpes zoster and atypical mycobacteria).

      NOTE: Testing for latent TB is a standard of care for patients on immunosuppressive therapy and results will be obtained from their medical record. If no TB history is found for these patients, a Quantiferon Gold or PPD test will be performed prior to Day 0 as part of standard of care.

    2. Hospitalization for treatment of infection within 60 days of Day 0.
    3. Use of parenteral (IV or IM) antibiotics (antibacterials, antivirals, anti-fungals, or anti parasitic agents) within 60 days of Day 0.
  14. Have a historically positive HIV test or test positive at screening for HIV.
  15. Have a history of autoimmune hepatitis
  16. Hepatitis status will be obtained from patients' medical records. If unavailable, testing will be done as part of standard of care. Patients are excluded if there is evidence of infection with:

    a. Hepatitis B: i. Positive hepatitis B surface antigen (HBsAg) or positive hepatitis B core antibody (HBcAb) or b. Hepatitis C: i. Positive hepatitis C antibody with confirmatory hepatitis C viral load by PCR.

  17. Clinically significant elevation of GGT (>1.5xULN), bilirubin (>1.25xULN, direct 35%), or INR (>1.2, excluding patients on anti-coagulant therapies) or other clinically significant abnormal laboratory value in the opinion of the investigator.
  18. Have current drug or alcohol abuse or dependence, or a history of drug or alcohol abuse or dependence within 364 days prior to Day 0.
  19. Have evidence of serious suicide risk including any history of suicidal behaviour in the last 6 months and/or any suicidal ideation in the last 2 months or who in the investigator's judgment, pose a significant suicide risk.
  20. Have any concurrent significant medical or psychiatric illness that the investigator considers would make the candidate unsuitable for the study.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT02347891

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United States, New York
Northwell Health Divison of Rheumatology
Great Neck, New York, United States, 11021
Sponsors and Collaborators
Northwell Health
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Principal Investigator: Galina Marder, MD

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Responsible Party: Galina Marder, MD, Director, Inflammatory Muscle Disease and Vasculitis Center, Northwell Health Identifier: NCT02347891    
Other Study ID Numbers: 14-621
First Posted: January 28, 2015    Key Record Dates
Last Update Posted: September 10, 2019
Last Verified: September 2019
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Undecided

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Product Manufactured in and Exported from the U.S.: No
Keywords provided by Galina Marder, MD, Northwell Health:
Inflammatory Myositis
Muscle Pain
Refractory myositis
Additional relevant MeSH terms:
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Muscular Diseases
Musculoskeletal Diseases
Neuromuscular Diseases
Nervous System Diseases
Immunosuppressive Agents
Immunologic Factors
Physiological Effects of Drugs