Using Dexamethasone to Prevent Recurrence of Anaphylaxis in Children

Use of Dexamethasone in Prevention of the Second Phase or a Biphasic Reaction of Anaphylaxis

Phase 1 Interventional Hamad Medical Corporation · NCT03523221

This study is testing if giving dexamethasone to children with mild to moderate anaphylaxis can help prevent a second allergic reaction that might happen later.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment210 (estimated)
Ages3 Months to 14 Years
SexAll
SponsorHamad Medical Corporation Industry-sponsored
Locations1 site (Doha)
Trial IDNCT03523221 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate the effectiveness of oral dexamethasone in preventing the second phase or biphasic reaction of anaphylaxis in children aged 3 months to 14 years who present with mild to moderate anaphylaxis at the Pediatric Emergency Department in Doha, Qatar. Participants will be randomly assigned to receive either dexamethasone or a placebo. The study seeks to determine if dexamethasone can reduce the incidence of late-phase reactions that can occur 8-12 hours after the initial anaphylactic episode. The findings could provide insights into improving treatment protocols for pediatric anaphylaxis.

Who should consider this trial

Good fit: Ideal candidates for this study are children aged 3 months to 14 years who present with mild to moderate anaphylaxis.

Not a fit: Patients with severe anaphylaxis or those with a history of immunological diseases or on steroid therapy may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved management strategies for children experiencing anaphylaxis, potentially reducing the risk of severe late-phase reactions.

How similar studies have performed: While the use of corticosteroids in anaphylaxis management is common, the specific approach of using dexamethasone to prevent biphasic reactions is less established, making this study a novel investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* All patients 3 monthes-14years presenting to the Pediatric Emergency Department (AlSadd) with mild to moderate anaphylaxis

Exclusion Criteria:

Patients with severe anaphylaxis. Patient with history of immunological diseases. Patients on steroids therapy Patient with moderate-severe asthma on medication Patients with severe asthma

Where this trial is running

Doha

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions AnaphylaxisMild -Moderate Anaphylaxis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.