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About
A randomized, double-blind, placebo-controlled, dose titration trial, stratified by Human Leukocyte Antigen (HLA)-DQ2.5 genotype in subjects with celiac disease.
Full description
This is a randomized, double-blind, placebo-controlled, study to evaluate the safety and tolerability of Nexvax2 preceded by dose titration period in patients with celiac disease currently on a gluten-free diet. The study will consist of a Screening Period, a Treatment Period, and a Follow-up Period. Eligible subjects will be enrolled in one of three cohorts according to whether they are homozygous or not homozygous for both genes coding for HLA-DQ2.5.
Enrollment
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Inclusion criteria
Exclusion criteria
Subject has not been maintained on a gluten-free diet for at least 1 year.
Celiac Dietary Adherence Test at screening indicates non-compliance to gluten-free diet (score >12).
Serum levels of both recombinant human transglutaminase (tTG)-specific immunoglobulin-A (IgA) and deamidated gliadin peptide (DGP)-specific immunoglobulin-G (IgG) are elevated above the manufacturer's upper limit of normal. The elevation of one or other of the serology test for tTG IgA and DGP IgG is not an exclusion.
Subject has uncontrolled complications of celiac disease or a medical condition which, in the opinion of the investigator, would impact the immune response or pose an increased risk to the subject.
Subject is or has been using an immuno-modulatory or immune suppressing medical treatment during the 2 months prior to Screening, for example azathioprine, methotrexate, or biological
Subject is female and premenopausal or perimenopausal and has a male partner who is not sterile, unless she is sterile, or she practices true abstinence, or unless throughout the entire study period and for 30 days after study drug discontinuation she is using a medically acceptable method of contraception.
Subject is male with a premenopausal or perimenopausal female partner who is not sterile, unless he is sterile, or he practices true abstinence, or unless throughout the entire study period and for 30 days after study drug discontinuation he is using a medically acceptable method of contraception, or unless his female partner is using a medically acceptable method of contraception.
Subject is unable and/or unwilling to comply with study requirements.
Subject has taken oral or parenteral corticosteroids within the previous six weeks prior to Screening. Topical or inhaled corticosteroids are acceptable.
Subject has received an experimental therapy within 30 days prior to Screening.
Subject has previously been enrolled and dosed in a clinical trial with Nevax2.
Subject has any of the following laboratory abnormalities at Screening:
Subject is lactating, is known to be pregnant, has a positive pregnancy test at Screening or Treatment Day, intends to become pregnant, or is nursing.
Subject has a history or presence of any medically significant condition considered by the investigator to have the potential to adversely affect participation in the study and/or interpretation of the study results.
Subject has a history of severe allergic reactions (e.g., swelling of the mouth and throat, difficulty breathing, hypotension, or shock) that require medical intervention.
Subject has donated blood ≤ 56 days prior to Screening and plans to donate blood within 5 weeks after study completion.
Subject has a clinically relevant abnormality on electrocardiogram (ECG), as determined by the investigator.
Other unspecified reasons that in the opinion of the investigator or the sponsor make the subject unsuitable for enrollment.
Primary purpose
Allocation
Interventional model
Masking
38 participants in 6 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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