Clinical trial Recruiting at 1 site Early Phase 1 Interventional Ages 2 to 17

Nebulized tranexamic acid to stop post-tonsillectomy bleeding in children

Official title: TranExamic Atomized for Pediatric Post-Operative Tonsillectomy Hemorrhage (TEAPOT): A Pilot and Feasibility Study

Run by The University of Texas Health Science Center at San Antonio · NCT06580509 · Data updated 2026-11-12

We will try a medicated mist (nebulized tranexamic acid) to stop bleeding after tonsillectomy in children aged 2 to 17.

Quick facts

PhaseEarly Phase 1
Study typeInterventional
Ages2 Years to 17 Years
SexAll
Enrollment12 (estimated)
SponsorThe University of Texas Health Science Center at San Antonio
Academic / other
Locations1 site (San Antonio, Texas)
StatusRecruiting
StartedFebruary 18, 2026
Main results expectedSeptember 30, 2027
Study endsSeptember 30, 2028
Registry record updatedApril 24, 2026
Trial IDNCT06580509 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Children aged 2 to 17 who present to the ED with secondary post-tonsillectomy hemorrhage (more than 24 hours after the original operation) and who do not have contraindications to TXA are ideal candidates.

Probably not a fit

Patients with known bleeding or clotting disorders, pregnancy, a known allergy to tranexamic acid, those already intubated, or those who require immediate operative control of bleeding are unlikely to benefit from this nebulized approach.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This pilot gives three consecutive doses of nebulized tranexamic acid (TXA) to children who present with secondary post-tonsillectomy bleeding. Doses are weight-based: 500 mg per dose for children over 25 kg and 250 mg per dose for children under 25 kg, delivered via a standard nebulizer over roughly one hour. Treatments are administered in a clinical setting (emergency department or hospital) by trained staff, and patients are monitored for bleeding control and safety. The trial will record whether the mist stops bleeding without needing return to the operating room or blood transfusion.

Why it matters

Potential benefit: If successful, this approach could stop bleeding without another surgery or transfusion, avoiding additional anesthesia and hospital procedures for children.

How similar studies have gone: Topical and nebulized uses of tranexamic acid have shown promising results in small studies and case reports for upper airway bleeding, but robust pediatric trials for post-tonsillectomy nebulized TXA are limited.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Received a tonsillectomy
2. Presents to the ED with secondary\* post-tonsillectomy hemorrhage
3. Children between age of 2 to 17 years of age (i.e., before their 18th birthday) \*Secondary post-tonsillectomy hemorrhage is defined as greater than 24 hours from their primary tonsillectomy operation (arrival in recovery/PACU).

Exclusion Criteria:

1. Known and documented bleeding or clotting disorder.
2. Known pregnancy.
3. Patients with known hypersensitivity or allergic response to tranexamic acid.
4. Parents or guardians who cannot communicate in English or Spanish.
5. Intubation prior to enrollment.
6. Previously enrolled patients.

Where it's running

  • University Hospital
    San Antonio, Texas, United States
    Recruiting

Study contacts

  • Principal investigator: Andrew D Meyer, MD, MS — The University of Texas Health Science Center at San Antonio
  • Study coordinator: Andrew D Meyer, MD, MS
  • Email: meyera@uthscsa.edu
  • Phone: 210-567-4424

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.