- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06284954
A Study to Evaluate Safety and Efficacy of Empasiprubart in Adults With Dermatomyositis (empacific)
March 13, 2024 updated by: argenx
A Phase 2, Randomized, Double-Blinded, Placebo-Controlled, Multicenter Study to Evaluate the Safety, Tolerability, and Efficacy of Multiple Dose Regimens of Empasiprubart in Adults With Dermatomyositis
This study will evaluate the safety and efficacy of empasiprubart compared with placebo in adult participants with dermatomyositis (DM).
Study Overview
Status
Not yet recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
80
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Sabine Coppieters, MD
- Phone Number: 857-350-4834
- Email: clinicaltrials@argenx.com
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Is at least 18 years of age and the local legal age of consent for clinical studies when signing the Informed Consent Form
- Is capable of providing signed informed consent and complying with protocol requirements
- Agrees to use contraceptive measures consistent with local regulations and women of child-bearing potential must have a negative serum pregnancy test at screening and a negative urine pregnancy test before receiving the study drug
- Has a clinical diagnosis of dermatomyositis or juvenile dermatomyositis. The diagnosis date for juvenile dermatomyositis should be ≤5 years before screening
- Has active muscle disease associated with classic dermatomyositis or juvenile dermatomyositis at screening and at least 1 of the following: elevated levels of creatine kinase, aldolase, lactate dehydrogenase, aspartate aminotransaminase or alanine aminotransferase at screening; or electromyography ≤12 weeks before screening; or an MRI depicting active muscle inflammation ≤12 weeks before screening; or muscle biopsy demonstrating signs of active inflammation ≤12 weeks before screening
- Has at least mild skin disease at screening
- Complies with the permitted background dermatomyositis treatment requirements at screening
- Has had immunization with the first meningococcal, pneumococcal, and the single Haemophilus influenza type B vaccine ≥14 days before the first study drug administration
Exclusion Criteria:
- Known autoimmune disease or any medical condition that would interfere with an accurate assessment of clinical symptoms of dermatomyositis or puts the participant at undue risk
- Naïve to standard dermatomyositis treatment according to local recommendations
- History of malignancy unless considered cured by adequate treatment with no evidence of recurrence for ≥3 years before the first study drug administration. Adequately treated participants with the following cancers can be included at any time: Basal cell or squamous cell skin cancer; Carcinoma in situ of the cervix; Carcinoma in situ of the breast; Incidental histological findings of prostate cancer
- Clinically significant active infection that is not sufficiently resolved before the first study drug administration in the investigator's opinion
- Positive serum test at screening for active infection with any of the following: Hepatitis B virus, Hepatitis C virus, HIV
- Clinically significant disease, recent major surgery, or intention to have major surgery during the study; or any other medical condition that, in the investigator's opinion, would confound the results of the study or put the participant at undue risk
- Current participation in another interventional clinical study
- Known hypersensitivity to the study drug or any of its excipients
- History (within 12 months before screening) of or current alcohol, drug, or medication abuse, as assessed by the investigator
- Pregnant or lactating state or intending to become pregnant during the study
- Previous participation in an empasiprubart clinical study with at least 1 dose of study drug received
- Known complement component deficiency as assessed by the investigator
- Change in dermatomyositis physical therapy or exercise program from ≤4 weeks before screening
- Inflammatory or non-inflammatory myopathies other than dermatomyositis, such as drug-induced or endocrine-induced myositis, infective myositis, polymyositis, immune-mediated necrotizing myopathy, inclusion body myositis, overlap myositis, metabolic myopathies, or muscle dystrophies
- Paraneoplastic dermatomyositis secondary to malignancy
- Glucocorticoid-induced myopathy
- Severe muscle damage
- Interstitial lung disease with 1 of the following: forced vital capacity (FVC) ≤60%; supplemental oxygen therapy; rapidly progressing uncontrolled interstitial lung disease; moderate or severe interstitial lung disease
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Dose regimen 1
Patients receiving Empasiprubart IV
|
Intravenous infusion with Empasiprubart IV
Other Names:
|
Experimental: Dose regimen 2
Patients receiving Empasiprubart IV
|
Intravenous infusion with Empasiprubart IV
Other Names:
|
Experimental: Dose regimen 3
Patients receiving Empasiprubart IV
|
Intravenous infusion with Empasiprubart IV
Other Names:
|
Placebo Comparator: Dose regimen 4
Patients receiving Placebo IV
|
Intravenous infusion with Placebo IV
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Incidence and severity of adverse events (AEs)
Time Frame: Up to 112 weeks
|
Up to 112 weeks
|
Percentage of participants discontinuing investigational medicinal product (IMP) due to an adverse event (AE)
Time Frame: Up to 52 weeks
|
Up to 52 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Mean TIS
Time Frame: Up to 52 weeks
|
The Total Improvement Score (TIS) assesses minimal, moderate, and major clinical response categorically or continuously using American College of Rheumatology and European League Against Rheumatism (ACR/EULAR) criteria.
|
Up to 52 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Estimated)
May 10, 2024
Primary Completion (Estimated)
July 18, 2025
Study Completion (Estimated)
January 20, 2028
Study Registration Dates
First Submitted
February 22, 2024
First Submitted That Met QC Criteria
February 22, 2024
First Posted (Actual)
February 29, 2024
Study Record Updates
Last Update Posted (Actual)
March 15, 2024
Last Update Submitted That Met QC Criteria
March 13, 2024
Last Verified
March 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- ARGX-117-2301
- 2023-508337-14 (Other Identifier: CTIS number)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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