Phase I Trial to Evaluate VLP Peanut in Healthy and Peanut Allergic Subjects (PROTECT)
Peanut Allergy
About this trial
This is an interventional treatment trial for Peanut Allergy
Eligibility Criteria
Part A Main Inclusion Criteria:
- Capable of giving signed informed consent.
- Subject who has a signed and dated Informed Consent Form (ICF).
- Subject must be 18 to 50 years inclusive, at the time of signing the ICF.
- Male or female.
- Female subjects who are not of childbearing potential (or females of childbearing potential who agree to comply with the contraceptive requirements of the clinical trial protocol).
- Good general health, as determined by the Investigator.
A positive SPT to histamine.
The following additional inclusion criteria are only applicable to the healthy subjects in Group A1:
- Healthy subjects (non-atopic) with no clinically significant co-morbidity (including broncho-reactive airway disease like asthma, current allergic rhinitis, etc.).
- Subjects with no history of allergy or intolerance to peanut or any other food and who consume peanuts with no effect.
- Subjects with lack of sensitivity to peanut allergen confirmed by SPT using whole peanut extract.
- Peanut specific immunoglobulin E (IgE) <0.1 kU/L.
- Ara h 2 specific IgE <0.1 kU/L.
Subjects with negative basophil activation test (BAT).
The following additional inclusion criteria are only applicable to the subjects with PA in Group A2:
- Clinical history of physician diagnosed PA.
- Peanut allergen sensitivity confirmed by SPT and IgE.
- Subjects who currently adhere to a strict peanut-free diet and who agree to continue this for the duration of the clinical trial.
- Subjects who are able to handle and correctly use an adrenaline auto-injector.
Part B Main Inclusion Criteria:
- Capable of giving signed informed consent.
- Subject who has a signed and dated ICF.
- Subjects aged 18 to 50 years of age inclusive, at the time of signing the ICF.
- Male or female.
- Female subjects who are not of childbearing potential (or females of childbearing potential who agree to comply with the contraceptive requirements of the clinical trial protocol).
- Clinical history of physician diagnosed PA.
- Peanut allergen sensitivity confirmed by SPT and IgE.
- Subjects with positive BAT.
- Subjects who currently adhere to a strict peanut-free diet and who agree to continue this for the duration of the clinical trial.
- Good general health, as determined by the Investigator.
- Subjects who are able to handle and correctly use an adrenaline auto-injector.
Main Exclusion Criteria Part A and B:
- Pregnant or lactating subject.
- Presence of any medical condition that may reduce the ability to survive a serious allergic reaction.
- Subjects with atopic dermatitis with >25% skin surface involvement.
- For subjects with PA, presence of severe, poorly controlled or uncontrolled asthma.
- History of severe or life-threatening anaphylactic reactions to peanut resulting in neurological compromise or requiring mechanical ventilation.
- Clinical history of severe systemic or life-threatening anaphylactic reactions to other foods (apart from peanut), insect venom, exercise, drugs, etc. or idiopathic anaphylaxis.
- Unable to receive epinephrine therapy.
- Clinical history of drug or alcohol abuse, which, in the Investigator's opinion, could interfere with the subject's ability to participate in the clinical trial.
- Participation in a clinical research trial with any investigational drug/placebo within 3 months of screening (Visit 1) or concomitantly with this clinical trial.
- Personal, financial or other dependent relationship (e.g., employee or immediate relative) with the clinical trial site, Sponsor, Sponsor's representative, or another individual who has access to the clinical trial protocol.
- Vulnerable subjects or those in judicial or governmental detention, detainment or imprisonment in a public institution.
Sites / Locations
- University of South FloridaRecruiting
- University of Wisconsin School of Medicine and Public Health Asthma, Allergy, and Pulmonary Clinical ResearchRecruiting
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Experimental
Part A - Group A1
Part A - Group A2
Part B - Cohorts 1-4
Part B - Cohort 5
4 parallel cohorts (1-4) of adult healthy subjects. Each cohort will receive 6 ascending subcutaneous administrations of VLP Peanut.
Adult peanut allergic subjects, will undergo skin prick tests with ascending concentrations of VLP Peanut.
4 parallel cohorts (1-4) of peanut allergic subjects. Each cohort will receive 6 ascending subcutaneous administrations of VLP Peanut.
Cohort 5 subjects in Part B will receive a single dose of VLP Peanut or Placebo on a dosing day.