Publications by authors named "Margaret Woch"

Although fish and shellfish allergies represent common worldwide allergies, with anaphylaxis being reportedly frequent, treatment approaches, e.g., oral immunotherapy (OIT), are uncommonly performed.

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Background: Patients with food allergy may be advised to introduce specific foods into their diets, both to increase tolerance gradually and as next steps after completing oral immunotherapy or other therapeutic interventions. However, the safe use of retail foods depends on the ability to establish the specific allergen protein content of these foods.

Objective: To develop a systematic approach to estimate the protein content of peanut, milk, egg, wheat, cashew, hazelnut, and walnut in a variety of retail food equivalents for each allergen and associated patient education materials.

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The incidence and prevalence of food allergy (FA) is increasing. While several studies have established the safety and efficacy of early introduction of single allergens in infants for the prevention of FA, the exact dose, frequency, and number of allergens that can be safely introduced to infants, particularly in those at high or low risk of atopy, are still unclear. This 1-year pilot study evaluated the safety of the early introduction of single foods (milk, egg, or peanut) vs.

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Article Synopsis
  • Oral immunotherapy (OIT) is often stopped due to side effects, and this study explores whether lowering the daily dose can reduce these adverse events while still being effective in treating multi-food allergies.
  • Participants aged 2-25 received treatment with omalizumab alongside different doses of multi-food OIT, and the main goal was to measure changes in immune response markers after 18 weeks.
  • The results showed that approximately 70% of participants experienced positive immune changes regardless of the dosage, indicating that lower doses might still be effective without increasing side effects.
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Double-blind placebo-controlled food challenges (DBPCFCs) remain the gold standard for the diagnosis of food allergy; however, challenges require significant time and resources and place the patient at an increased risk for severe allergic adverse events. There have been continued efforts to identify alternative diagnostic methods to replace or minimize the need for oral food challenges (OFCs) in the diagnosis of food allergy. Data was extracted for all IRB-approved, Stanford-initiated clinical protocols involving standardized screening OFCs to a cumulative dose of 500 mg protein to any of 11 food allergens in participants with elevated skin prick test (SPT) and/or specific IgE (sIgE) values to the challenged food across 7 sites.

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Food allergy prevalence has continued to rise over the past decade. While studies have reported threshold doses for multiple foods, large-scale multi-food allergen studies are lacking. Our goal was to identify threshold dose distributions and predictors of severe reactions during blinded oral food challenges (OFCs) in multi-food allergic patients.

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