Efficacy and Safety of Several Doses of Viaskin Peanut in Adults and Children With Peanut Allergy

Completed · Phase 2 · Has a placebo group

Conditions studied: Peanut Allergy

In brief

The objectives of this dose-finding study for the treatment of peanut allergy are: * To determine the efficacy of 3 doses of Viaskin Peanut (50 mcg ,100 mcg and 250 mcg peanut protein per patch) to significantly desensitize peanut-allergic subjects to peanut after 12 months of treatment. * To evaluate the safety of a long-term treatment with Viaskin Peanut.

Key facts

Study ID

NCT01675882

Run by

DBV Technologies

People needed

221

Starts

2012-08-01

Expected to finish

2014-07-01

Last updated by the study team

2021-10-27

Who can join

Age: 6 and older, up to 55. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Peanut-allergic subjects between 6 and 55 years of age, with a well-documented medical history of systemic reactions after ingestion of peanut and currently following a strict peanut-free diet.
• Peanut-specific immunoglobulin E (IgE) level (Phadia CAP-system) > 0.7 kU/L and a positive skin prick test to peanut with a largest wheal diameter ≥ 8 mm
• Positive double-blind placebo-controlled food challenge (DBPCFC) at ≤ 300 mg of peanut proteins: the eliciting dose of peanut proteins during the DBPCFC is capped at 300 mg, i.e. subjects must react to peanut before reaching or at the dose of 300 mg peanut proteins.
• Negative pregnancy test for women of childbearing potential. Females of childbearing age must use effective methods of contraception to prevent pregnancy and agree to continue to practice an acceptable method of contraception for the duration of participation in the study. Sexual abstinence will be accepted as an effective method of contraception for girls below 15 years of age.
• Ability to perform spirometry maneuvers in accordance with the American Thoracic Society guidelines (2005) for subjects 9 years of age and above Subjects below 9 years of age can perform peak expiratory flow (PEF) instead.
• Willing to comply with all study requirements during their participation in the study.
• Provide signed informed consent and assent as appropriate.

You may not qualify if…

• Subjects with a history of severe anaphylaxis to peanut with the following symptoms: hypotension, hypoxia, neurological compromise (collapse, loss of consciousness or incontinence).
• Pregnancy or lactation.
• FEV1 <80% of the predicted value at screening for subjects 9 years of age and above. PEF < 80% of predicted for subjects below 9 years of age.
• Subjects who did not react at or below the dose of 300 mg of peanut proteins during the DBPCFC at screening.
• Known allergy or known hypersensitivity to placebo excipients either of the Viaskin patches or of the food challenge formulas.
• Subjects reacting objectively to the placebo formula at screening.
• Severe reaction during the screening food challenge, defined as need for intubation, hypotension persisting after epinephrine administration, or the need for more than two doses of epinephrine.
• Inability to discontinue short-acting antihistamines for three days or long-acting antihistamines for five to seven days (depending on half-life) prior to skin prick testing or food challenges.
• Subjects treated with systemic long-acting corticosteroids (depot corticosteroids) within 12 weeks prior to the screening visit and/or systemic short-acting corticosteroid within 4 weeks prior to the screening visit or any systemic corticosteroid at screening.
• Subjects with asthma defined as follows:
• uncontrolled persistent asthma by National Asthma Education and Prevention Program Asthma guidelines (2007) or by Global Initiative for Asthma (2011) or being treated with combination therapy of medium dose inhaled corticosteroid with a long acting inhaled β2-agonists;
• at least two systemic corticosteroid courses for asthma in the past year or one oral corticosteroid course for asthma in the past three months;
• prior intubation for asthma in the past two years.
• Subjects on β-blocking agents, angiotensin-converting enzyme inhibitors, angiotensin-receptor blockers, calcium channel blockers or tricyclic antidepressant therapy.
• Subjects undergoing any type of immunotherapy to any food within one year prior to the screening visit.
• Subjects presently on aeroallergen immunotherapy and unwilling or unable to discontinue.
• Subjects currently treated with anti-tumor necrosis factor drugs or anti-IgE drugs (such as omalizumab) or any biologic immunomodulatory therapy within one year prior to the screening visit.
• Allergy or known history of reaction to Tegaderm®.
• Subjects suffering from generalized dermatologic diseases (e.g. severe atopic dermatitis, uncontrolled generalized eczema, keratosis pilaris, ichthyosis vulgaris) with no intact skin zones to apply the patches.
• Any disorder in which epinephrine is contraindicated such as coronary artery disease, uncontrolled hypertension, or serious ventricular arrhythmias.
• Participation in another clinical intervention study in the three months prior to the screening visit.
• Subjects on any experimental drugs or treatments.
• Other inclusion/exclusion criteria may apply.

Where it is running

• University of California, Rady Childrens Hospital — San Diego, California, United States
• Stanford University School of Medicine — Stanford, California, United States
• Children's Memorial Hospital — Chicago, Illinois, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States
• Boston Childrens' Hospital — Boston, Massachusetts, United States
• Cincinnati Children's Hospital Medical Center — Cincinnati, Ohio, United States
• Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States
• Children's Hospital of Pittsburgh — Pittsburgh, Pennsylvania, United States
• Children's Medical Center Dallas — Dallas, Texas, United States
• ASTHMA, Inc. — Seattle, Washington, United States
• Cheema Research Inc. — Mississauga, Ontario, Canada
• Ottawa Allergy Asthma Research Institute — Ottawa, Ontario, Canada
• Gordon Sussman Clinical Research — Toronto, Ontario, Canada
• Centre de Recherche Appliquée en Asthme et Allergie de Québec — Sainte-Foy, Quebec, Canada
• Centre Hospitalier Universitaire de Bordeaux, Hôpital Pellegrin — Bordeaux, France
• Hôpital Saint Vincent de Paul — Lille, France
• GCS des hôpitaux pédiatriques — Nice, France
• Hôpital Necker — Paris, France
• Nouvel Hôpital Civil — Strasbourg, France
• Hôpitaux De Brabois — Vandœuvre-lès-Nancy, France
• Erasmus MC — Rotterdam, Netherlands
• UMC Utrecht — Utrecht, Netherlands
• Szpital Uniwersytecki nr2 — Bydgoszcz, Poland
• Szpital Kliniczny UM — Lodz, Poland

Full record on ClinicalTrials.gov

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