- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03192878
Infliximab Biosimilar in Takayasu's Arteritis (TAKASIM)
A Prospective Observational Study of Infliximab Biosimilar in the Treatment of Takayasu's Arteritis Resistant to Corticosteroids and Conventional Immune-suppressive Treatments
Takayasu arteritis (TA) is a chronic inflammatory disease affecting large and medium caliber arteries, particularly the aortic arch and its main branches. Clinical manifestations are caused by the marked thickening of the wall of the involved vessels, resulting in lumen narrowing and ischemia of the tributary districts. Therapy is based on the use of corticosteroids, immunosuppressants, and biologic drugs including infliximab, a monoclonal antibody blocking tissue necrosis factor (TNF)-alpha. Biosimilar infliximab is commercially available and used in the treatment of various immune-mediated conditions. There are currently no data on the efficacy and safety of biosimilar infliximab in the treatment of TA.
The investigators propose this monocentric, observational, prospective, open label study to evaluate the efficacy and safety of biosimilar infliximab in the treatment of 30 patients with TA. Specifically, the study will include: I) TA patients refractory to treatment with corticosteroid and/or immmunosuppressive therapy, not previously treated with infliximab; II) TA patients already receiving treatment with originator infliximab.
Biosimilar infliximab will be administered at dosages usually employed in the treatment of TA. Specifically, patients not previously treated with the originator drug will receive biosimilar infliximab intravenously at a dose of 5 mg/Kg at time 0, at week 2, at week 4; thereafter, treatment will be administered every 4-6 weeks at a dose of 5-10 mg/kg based on clinical judgement. In patients previously treated with the originator drug, biosimilar infliximab will be administered at the same dosages.
To evaluate the efficacy of therapy, changes in clinical manifestations, laboratory examinations, and imaging findings including angio-magnetic resonance imaging (MRI) of thoracic and abdominal vessels and total body PET/CT scan will be evaluate at time 0 as well as 6 and 12 months following treatment initiation. In order to evaluate the safety of the study treatment, the investigators will stringently evaluate possible side effects of treatment, including infusion reactions, changes in laboratory tests, infection, cancer, autoimmune manifestations, neurological and cardiovascular symptoms.
The total duration of follow up for each patient will be 52 weeks from enrolment.
Study Overview
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Elena M Baldissera, MD
- Phone Number: 7254 +39022643
- Email: baldissera.elena@hsr.it
Study Contact Backup
- Name: Giulio Cavalli, MD
- Phone Number: 4683 +39022643
- Email: cavalli.giulio@hsr.it
Study Locations
-
-
MI
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Milano, MI, Italy, 20132
- Recruiting
- IRCCS Ospedale San Raffaele
-
Contact:
- Elena M Baldissera, MD
- Phone Number: 7254 +39022643
- Email: baldissera.elena@hsr.it
-
Contact:
- Giulio Cavalli, MD
- Phone Number: 4683 +39022643
- Email: cavalli.giulio@hsr.it
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
We anticipate to include about 30 patients with Takayasu's arteritis (TA). Specifically, the study will include:
I) TA patients refractory to treatment with corticosteroid and/or immmunosuppressive therapy, not previously treated with infliximab (the naive arm).
II) TA patients refractory to treatment with corticosteroid and/or immmunosuppressive therapy, already receiving treatment with originator infliximab (the switch arm).
Description
Inclusion Criteria:
- age> 18 years;
- negative pregnancy test;
- use of a reliable contraceptive method by all potentially fertile patients during the study and for the six months following the end of therapy;
- diagnosis of TA according to the Classification criteria of the American College of Rheumatology 1990;
- Multifocal vascular aortic and arterial involvement as evaluated by imaging examinations (angiography / angio-MRI / vascular ecocolordoppler / PET);
- failure to respond to corticosteroid therapy after 6-8 weeks of prednisone therapy at a dose of 1 mg / Kg per day, or impossibility to reduce the dose of prednisone to 0.5 mg / Kg within 3 months of initiation of therapy and to less than 0.2 mg / kg per day within 6 months of initiation of therapy (may also include patients who, despite receiving combination therapy with prednisone and cyclophosphamide, azathioprine, methotrexate, cyclosporin A, mycophenolate mofetil, leflunomide and rapamycin for at least 3 months, could not reduce the prednisone dose to 0.5 mg / Kg per day within 3 months of initiation of therapy, or to less than 0.2 mg / kg per day within 6 months of initiation of therapy);
- ongoing anti-TNF-alpha treatment with originator infliximab (inclusion criterion for the switch arm).
Exclusion Criteria:
- history of lymphoproliferative disease or solid neoplasm in the last 5 years, with the exception of successfully treated and completely resolved squamous cell skin carcinoma;
- history of uncontrolled diabetes, unstable cardiac ischaemia, congestive heart failure (NYHA class III and IV), active intestinal inflammatory disease, active peptic ulcer, recent stroke (within 3 months) and any other pathological conditions that, according to the treating physician, could expose the subject to the risk of adverse events;
- serological tests for hepatitis B or C indicating an active infection;
- history of HIV infection;
- chronic infection, or severe infections requiring hospitalization or intravenous antibiotic treatment within 30 days prior to inclusion in the study, or requiring treatment with oral antibiotics within 14 days prior to enrollment;
- ongoing pregnancy or lactation;
- history of drug or alcohol abuse;
- Previous diagnosis or signs of demyelinating disease of the central nervous system;
- history of active tuberculosis, histoplasmosis or listeriosis;
- previous infection with M. tuberculosis (as documented by chest x-rays and / or positive quantiferon test), in which case patients will only be enrolled after initiating prophylactic therapy according to current guidelines.
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Only
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Naive patients
Patients with corticosteroid- and/or traditional immunosuppressive drug-resistant Takayasu's arteritis with indication of initiating therapy with anti-TNF-alpha
|
infliximab biosimilar
|
Switch patients
Patients with Takayasu's arteritis already in therapy with infliximab originator (Remicade) in whom the originator therapy will be replaced with infliximab biosimilar therapy
|
infliximab biosimilar
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of patients with active disease at month 6
Time Frame: 6 months of treatment
|
Disease will be defined active when new vascular lesion(s) (aneurysms, stenoses or occlusions, new arterial-wall irregularities) will be detected in arteries (aorta, innominate, subclavian, axillary, common and internal carotid, vertebral, superior and inferior mesenteric, renal, common iliac, and celiac axis) by MRI angiography or when increased arterial glucose uptake will be detected by FDG-PET scanning.
Disease will also be defined active if at least 2 of the following will be present: 1) new onset of carotodynia or pain over large vessels, 2) transient ischemic episodes not attributable to other factors, 3) new bruit or new asymmetry in pulses or blood pressure determination, 4) ischemic symptoms (including new-onset claudication), and 5) fever in absence of infection
|
6 months of treatment
|
Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]
Time Frame: 12 months of treatment
|
Number of participants with treatment-related adverse events as assessed by CTCAE v4.0 at month 12
|
12 months of treatment
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of patients with active disease at month 12
Time Frame: 12 months of treatment
|
Disease will be defined active when new vascular lesion(s) (aneurysms, stenoses or occlusions, new arterial-wall irregularities) will be detected in arteries (aorta, innominate, subclavian, axillary, common and internal carotid, vertebral, superior and inferior mesenteric, renal, common iliac, and celiac axis) by MRI angiography or when increased arterial glucose uptake will be detected by FDG-PET scanning.
Disease will also be defined active if at least 2 of the following will be present: 1) new onset of carotodynia or pain over large vessels, 2) transient ischemic episodes not attributable to other factors, 3) new bruit or new asymmetry in pulses or blood pressure determination, 4) ischemic symptoms (including new-onset claudication), and 5) fever in absence of infection
|
12 months of treatment
|
Impact of the treatment on quality of life as assessed by the HAQ questionnaire
Time Frame: 6 months of treatment
|
We will evaluate the changes from baseline in the HAQ questionnaires at month 6
|
6 months of treatment
|
Impact of the treatment on quality of life as assessed by the HAQ questionnaire
Time Frame: 12 months of treatment
|
We will evaluate the changes from baseline in the HAQ questionnaires at month 12
|
12 months of treatment
|
Impact of the treatment on quality of life as assessed by the SF36 questionnaire
Time Frame: 6 months of treatment
|
We will evaluate the changes from baseline in the SF36 questionnaire at month 6
|
6 months of treatment
|
Impact of the treatment on quality of life as assessed by the SF36 questionnaire
Time Frame: 12 months of treatment
|
We will evaluate the changes from baseline in the SF36 questionnaire at month 12
|
12 months of treatment
|
Changes in the serum levels of TNF-alpha and anti-infliximab antibodies before and upon treatment with biosimilar infliximab.
Time Frame: 6 months of treatment
|
Levels of TNF-alpha and anti-infliximab antibodies will be determined by an immunoenzymatic assay and compared to reference ranges provided by the manufacturer.
Serum levels of TNFα are expected to decrease upon treatment with biosimilar infliximab; generation of anti-infliximab antibodies may occur in some patients and may be associated with reduced treatment efficacy.
|
6 months of treatment
|
Changes in the serum levels of TNF-alpha and anti-infliximab antibodies before and upon treatment with biosimilar infliximab.
Time Frame: 12 months of treatment
|
Levels of TNF-alpha and anti-infliximab antibodies will be determined by an immunoenzymatic assay and compared to reference ranges provided by the manufacturer.
Serum levels of TNFα are expected to decrease upon treatment with biosimilar infliximab; generation of anti-infliximab antibodies may occur in some patients and may be associated with reduced treatment efficacy.
|
12 months of treatment
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Lorenzo Dagna, MD, IRCCS H San Raffaele
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- TakaSim
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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