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

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.