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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04415593
Other study ID # Peanuts protocol
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date September 1, 2020
Est. completion date May 30, 2024

Study information

Verified date March 2024
Source Medical University of Warsaw
Contact Klementyna Lyzwa, MD
Phone +488607153221
Email klementyna.jozwik@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

In this trial the investigators aim to assess the effectiveness and safety of oral immunotherapy with peanut protein in high and low dose (300mg versus 150mg) in children with peanuts allergy.


Description:

Peanut allergy is a significant clinical problem. Food immunotherapy provides the latest approach to managing food allergy. Oral immunotherapy is considered as the most effective and safe, according to current research. What is more, this type of therapy is easily available and can be continued at patient's home. Obtaining and maintenance of tolerance to the allergic food is the main goal of this procedure. The study will include children with peanut allergy, confirmed during open oral food challenge (OOFC) with peanut protein. First OOFC will be performed before immunotherapy, second one at the end of procedure. Participants will be randomly assigned to two groups. During the maintenance phase, the first group will receive low dose of peanut protein, which amounts 150mg, the second will get high dose, which is 300 mg of peanut protein. Oral immunotherapy with low and high dose of peanut protein in children randomly assigned to two groups (1:1). In the following phase, every two weeks the dose of ground roasted peanut will be increased and applied to a child during hospitalization (1-day procedure). Precondition to increase of dose is good tolerance of previous portion of peanut. The maximum time frame for this phase is 14 months. After achieving tolerance, immunotherapy will be continued for 2 months in maintenance phase, with dose 150mg or 300 mg peanut protein, depending on a study group. The dosage increasing phase will last maximally 14 months. If patients achieves the maintenance dose earlier, this period may be shorter. Maintenance dose is determined by random patients' assignment to one from study's group and amounts 150mg or 300 mg of peanut protein, respectively. The duration of the maintenance phase is 8 weeks (+/-2 weeks). After 2 months (8 weeks +/-2 weeks) of maintenance dose the final OOFC and evaluation of tolerance of peanut protein will be performed. Confirmation of the total desensitization of peanut is the tolerance of a single dose of 4500 mg peanut protein.


Recruitment information / eligibility

Status Recruiting
Enrollment 40
Est. completion date May 30, 2024
Est. primary completion date May 30, 2024
Accepts healthy volunteers No
Gender All
Age group 4 Years to 17 Years
Eligibility Inclusion Criteria: - medical history of peanut allergy, - IgE-mediated peanut allergy confirmed as positive skin prick tests with peanut allergens (diameter of the wheal greater than 3mm) and/or specific IgE level greater than 0.35 kilo units of Allergen per liter (kUA/l) (UniCAP method), - reaction to less than 100 mg of peanut protein during OOFC, - signed Informed Consent by parent/legal guardian and patient aged >16 years old, - patient's/caregivers' cooperation with researcher. Exclusion Criteria: - no confirmed peanut allergy, - negative oral food challenge with less than 100mg of peanut protein, - severe asthma, - uncontrolled mild/moderate asthma: forced expiratory volume at one second (FEV1)<80% (under 5. percentile), FEV1/forced vital capacity (FVC)<75% (under 5. percentile), hospitalization due to asthma exacerbation within last 12 months, - current oral/sublingual/subcutaneous immunotherapy with other allergen, - eosinophilic gastroenteritis, - a history of severe recurrent anaphylaxis episodes, - chronic diseases requiring continuous treatment, including heart disease, epilepsy, metabolic diseases, diabetes, - medication: - oral, daily steroid therapy longer than 1 month within last 12 months, - at least two courses of oral steroid therapy (at least 7 days) within last 12 months, - oral steroid therapy longer than 7 days within last 3 months, - biological treatment, - the need to constantly take antihistamines, - therapy with ß-blockers, angiotensin converting enzyme (ACE) inhibitors, calcium channel inhibitors, - pregnancy, - no consent to participate in the study, - lack of patient cooperation.

Study Design


Related Conditions & MeSH terms


Intervention

Dietary Supplement:
High dose of peanuts
Patients will receive a high dose of ground peanuts (300 mg) mixed with apple mousse (supposing child tolerates apple). For the transparency of the study all patients will receive the same commercially prepared apple product
Low dose of peanuts
Patients will receive a low dose of ground peanuts (150 mg) mixed with apple mousse (supposing child tolerates apple). For the transparency of the study all patients will receive the same commercially prepared apple product

Locations

Country Name City State
Poland Department of Pediatric Pneumonology and Allergy, Medical University of Warsaw Warsaw

Sponsors (1)

Lead Sponsor Collaborator
Medical University of Warsaw

Country where clinical trial is conducted

Poland, 

References & Publications (7)

Bird JA, Spergel JM, Jones SM, Rachid R, Assa'ad AH, Wang J, Leonard SA, Laubach SS, Kim EH, Vickery BP, Davis BP, Heimall J, Cianferoni A, MacGinnitie AJ, Crestani E, Burks AW; ARC001 Study Group. Efficacy and Safety of AR101 in Oral Immunotherapy for Peanut Allergy: Results of ARC001, a Randomized, Double-Blind, Placebo-Controlled Phase 2 Clinical Trial. J Allergy Clin Immunol Pract. 2018 Mar-Apr;6(2):476-485.e3. doi: 10.1016/j.jaip.2017.09.016. Epub 2017 Oct 31. — View Citation

Bollinger ME, Dahlquist LM, Mudd K, Sonntag C, Dillinger L, McKenna K. The impact of food allergy on the daily activities of children and their families. Ann Allergy Asthma Immunol. 2006 Mar;96(3):415-21. doi: 10.1016/S1081-1206(10)60908-8. — View Citation

Cox LS, Sanchez-Borges M, Lockey RF. World Allergy Organization Systemic Allergic Reaction Grading System: Is a Modification Needed? J Allergy Clin Immunol Pract. 2017 Jan-Feb;5(1):58-62.e5. doi: 10.1016/j.jaip.2016.11.009. — View Citation

Pajno GB, Fernandez-Rivas M, Arasi S, Roberts G, Akdis CA, Alvaro-Lozano M, Beyer K, Bindslev-Jensen C, Burks W, Ebisawa M, Eigenmann P, Knol E, Nadeau KC, Poulsen LK, van Ree R, Santos AF, du Toit G, Dhami S, Nurmatov U, Boloh Y, Makela M, O'Mahony L, Papadopoulos N, Sackesen C, Agache I, Angier E, Halken S, Jutel M, Lau S, Pfaar O, Ryan D, Sturm G, Varga EM, van Wijk RG, Sheikh A, Muraro A; EAACI Allergen Immunotherapy Guidelines Group. EAACI Guidelines on allergen immunotherapy: IgE-mediated food allergy. Allergy. 2018 Apr;73(4):799-815. doi: 10.1111/all.13319. Epub 2017 Dec 5. — View Citation

PALISADE Group of Clinical Investigators; Vickery BP, Vereda A, Casale TB, Beyer K, du Toit G, Hourihane JO, Jones SM, Shreffler WG, Marcantonio A, Zawadzki R, Sher L, Carr WW, Fineman S, Greos L, Rachid R, Ibanez MD, Tilles S, Assa'ad AH, Nilsson C, Rupp N, Welch MJ, Sussman G, Chinthrajah S, Blumchen K, Sher E, Spergel JM, Leickly FE, Zielen S, Wang J, Sanders GM, Wood RA, Cheema A, Bindslev-Jensen C, Leonard S, Kachru R, Johnston DT, Hampel FC Jr, Kim EH, Anagnostou A, Pongracic JA, Ben-Shoshan M, Sharma HP, Stillerman A, Windom HH, Yang WH, Muraro A, Zubeldia JM, Sharma V, Dorsey MJ, Chong HJ, Ohayon J, Bird JA, Carr TF, Siri D, Fernandez-Rivas M, Jeong DK, Fleischer DM, Lieberman JA, Dubois AEJ, Tsoumani M, Ciaccio CE, Portnoy JM, Mansfield LE, Fritz SB, Lanser BJ, Matz J, Oude Elberink HNG, Varshney P, Dilly SG, Adelman DC, Burks AW. AR101 Oral Immunotherapy for Peanut Allergy. N Engl J Med. 2018 Nov 22;379(21):1991-2001. doi: 10.1056/NEJMoa1812856. Epub 2018 Nov 18. — View Citation

Sampson HA, Gerth van Wijk R, Bindslev-Jensen C, Sicherer S, Teuber SS, Burks AW, Dubois AE, Beyer K, Eigenmann PA, Spergel JM, Werfel T, Chinchilli VM. Standardizing double-blind, placebo-controlled oral food challenges: American Academy of Allergy, Asthma & Immunology-European Academy of Allergy and Clinical Immunology PRACTALL consensus report. J Allergy Clin Immunol. 2012 Dec;130(6):1260-74. doi: 10.1016/j.jaci.2012.10.017. No abstract available. — View Citation

Stiefel G, Anagnostou K, Boyle RJ, Brathwaite N, Ewan P, Fox AT, Huber P, Luyt D, Till SJ, Venter C, Clark AT. BSACI guideline for the diagnosis and management of peanut and tree nut allergy. Clin Exp Allergy. 2017 Jun;47(6):719-739. doi: 10.1111/cea.12957. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Tolerance of peanuts Proportion of participants who tolerate the single dose of 300 mg or more (maximum 4500mg) peanut protein Up to 16 months after starting oral immunotherapy
Secondary Adverse event quantity and severity of adverse effect, assessed and compared between groups, divided into mild, moderate and severe category Up to 16 months after starting oral immunotherapy
Secondary Laboratory data difference in peanut serum immunoglobulin E (IgE) level and immunoglobulin G4 (IgG4) level, compared between groups at the end of treatment Up to 16 months after starting oral immunotherapy
Secondary Skin prick test (SPT) change in skin prick test reactivity to peanut protein from baseline to end of treatment, compared between groups Up to 16 months after starting oral immunotherapy
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