Oral Immunotherapy for Food Allergic Patients

by Friends of Assaf Harofeh Medical Center
Oral Immunotherapy for Food Allergic Patients
Sep 23, 2020

Fall 2020 clinical and research update

Greetings from the Center for Allergy and Immunology at Yitzhak Shamir (Assaf Harofeh) Medical Center. Considering how challenging this past year has been, the new year in Israel has arrived none too early. We hope that this update finds you safe and in good health. We are happy to share some recent developments here at the Center, starting off the year on the right foot.

First, breaking news! After an extensive peer review process, our prospective study concerning diagnostic algorithms for walnut and pecan allergy has been accepted to the journal JACI-In Practice. This article confirms our previous work demonstrating the capability of two diagnostic tests (skin prick and basophil activation tests), used in tandem, to accurately diagnose walnut and pecan allergies. As we have previously noted, the diagnoses of treenut allergies in particular are complicated due to their significant cross-reactivity which may or may not lead to coallergies between different treenuts. We believe and anticipate that our findings will be adapted to improve clinical accuracy in treenut allergy diagnosis. In the near future, we aim to study the potential of diagnostic tests for accurate diagnosis of allergy to other closely-related treenuts.

The laboratory research aspect of our program is also moving apace. In collaboration with our partners at the Bar Ilan University Faculty of Medicine in the Galilee, we are comparing the stool microbiomes of patients with and without persistent food allergies, and also between patients with different food allergies. In particular, we are examining whether derivatives of bacteria found in the stool can induce the development of regulatory immune cells (B cells and T cells), which are important players in the establishment of immune tolerance, and resolution of food allergy.

Despite the pandemic, our clinical programs in food allergy diagnosis and desensitization have continued at full strength. Over 325 patients are currently in active oral immunotherapy treatment, with up to 6 new patients joining every week. The success rate in achieving complete or partial allergic desensitization is over 85%, highlighting the importance and efficacy of our work. Especially in light of these challenging times, it behooves us to note the contributions of all those involved in making our programs successful. The physicians, nurses, dieticians, administrative staff, and laboratory workers in the center work diligently, while patients and their families routinely must overcome physical and psychological obstacles in attaining treatment success. And of course, we graciously note the contributions of you the donors, who have seen the value in our work, and have opened your hearts to facilitate our continuing and expanding upon it. Thank you, and best wishes for health in the year ahead!

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Project Leader:
Michael Goldberg
Beer Yaakov, Israel
$2,417 raised of $48,000 goal
 
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