FAST-Fish -Food Allergy Specific Treatment for Fish Allergy.

Study Overview
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Brief Summary
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The aim of this study is to investigate the safety and tolerability of Subcutaneous Immunotherapy treatment (SCIT) with incremental doses of a modified recombinant fish parvalbumin (mCyp c 1) quantified in mass units: To establish a safe dose of the candidate hypo-allergen in human subjects and To study the pharmaco-dynamics of the hypo-allergen administered to human subjects. The study is performed as a placebo-controlled double-blinded randomized trial with 24 fish allergic patients allocated into three different groups of eight.

Detailed Description
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The aim of the FAST project in general is to develop novel recombinant allergen-based therapeutics for the treatment of food allergy. The chosen approach is to modify recombinant allergens into hypo-allergenic molecules to decrease the risk of anaphylactic side-effects and to allow administration of higher doses leading to better efficacy.

Official Title
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FAST-Fish -Food Allergy Specific Treatment for Fish Allergy.

Conditions
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Fish Allergy

Intervention / Treatment
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* Biological: mCyp c 1


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Male or female subject from 18 to 65 years old and in general good health as determined by past medical history and physical examination. Case history of allergy to fish ingestion. Specific IgE to fish by either a positive SPT to cod fish extract or an ImmunoCAP to cod fish above 0.70 kUA/L,(Class 2) at screening. Positive Double blind placebo-controlled Food challenge (DBPCFC) with fish within the last two years. FEV1 at least 80% of predicted values at screening. Subject accepting to comply fully with the protocol. For woman of child bearing potential: a negative urine pregnancy test at screening visit, subject must receive a medically effective contraceptive method during the study Exclusion Criteria: Food Anaphylactic Reaction: anaphylactic shock due to fish intake. Specific IgE (ImmunoCAP) to fish parvalbumin (rCyp c 1) below 0.35 kUA/L Ongoing pollen Immunotherapy (SIT). Any clinical condition that contraindicates SIT (EAACI-guidelines). Any significant clinical condition that the investigators judged might hamper the patient's safety or the study outcomes, these diseases include, but are not limited to, cardiovascular disease, malignancy, hepatic disease, renal disease, haematological disease, neurological disease, immunological and endocrine disease. Ongoing treatment with betablockers or ACE-inhibitors. Impossibility for the patient to comply with the scheduled visits. Pregnancy or nursing. Uncontrolled asthma. Subject who have participated in a clinical trial within 3 months prior to this one. Subject with a history of drug or alcohol abuse. Investigators, co-investigators, as well as their children or spouses and all the study collaborators should not be enrolled in the study. Patients with concurrent allergy symptoms can be included if patients can manage without antihistamines during screening and treatments.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: group 1<br>5 patients will receive 10 single rising doses of mCyp c 1 (modified allergen)from 0.6 ng to 6 ug and two maintenance doses, and 2 patients will receive placebo | Biological: mCyp c 1<br>* 2 patient groups with different doses of allergen.<br>* Other names: A modified hypo-allergenic Parvalbumin;|
| Experimental: Group 2<br>6 patients will receive 10 single rising doses of mCyp c 1 from 6 ng to 60 ug and two maintenance doses, and two patients will receive placebo. | Biological: mCyp c 1<br>* 2 patient groups with different doses of allergen.<br>* Other names: A modified hypo-allergenic Parvalbumin;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Safety in the form of number and severity of adverse events | Safety is evaluated by number and severity of adverse events | 1 year | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Specific IgE | To study the pharmaco-dynamics of the hypo-allergen administered to human subjects i.e. Specific IgE. | 1 year | 
| IgG4 | Immunologic parameter. | 1 year | 
| Skin Prick Test | Pharmaco-dynamics of the hypo-allergen administered to human subjects. | 1 Year | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Fish allergy, immunotherapy, hypoallergen