Oral gel treatment for canker sores

Devintec OR-AT0222 Oral Gel for the Treatment of Canker Sores: A Double Blind, Randomized, Placebo Controlled Clinical Investigation

NA · Devintec Sagl · NCT05959824

This study is testing a new oral gel to see if it can help people with recurring canker sores feel less pain and heal faster.

Quick facts

PhaseNA
Study typeInterventional
Enrollment46 (estimated)
Ages18 Years and up
SexAll
SponsorDevintec Sagl (industry)
Locations1 site (Rome)
Trial IDNCT05959824 on ClinicalTrials.gov

What this trial studies

This clinical investigation evaluates the efficacy of Devintec OR-AT0222, an oral gel, in treating recurrent canker sores, also known as aphthous ulcers. A total of 46 participants will be randomly assigned to receive either the active gel or a placebo for seven days, applying the treatment three times daily. Participants will assess their pain levels using a visual analogue scale and will be monitored for safety and tolerability throughout the study. The primary outcomes include pain reduction and complete healing of the ulcers as confirmed by clinical examination.

Who should consider this trial

Good fit: Ideal candidates are adults over 18 years old with a recent onset of one or more canker sores.

Not a fit: Patients with hypersensitivity to the gel's ingredients or those who have used other ulcer treatments recently may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide significant relief from the pain and discomfort associated with canker sores.

How similar studies have performed: While there are various treatments for canker sores, the specific approach of using OR-AT0222 gel is novel and has not been extensively tested in prior studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. \>18 years (male and females)
2. Patients have one oral canker sore, at least. Onset within 48 hours
3. Patients in good condition with no serious systemic disease

Exclusion Criteria:

1. Hypersensitivity to any OR-AT0222 ingredients
2. Use of any medication to treat the ulcers the previous week before ORAT0222 gel use started or use of local medication or systemic drug during the treatment with OR-AT0222 gel.
3. Underlying systemic disease(s) or a history of immunologic disorder(s);
4. Taking immunomodulatory agents or systemic nonsteroidal antiinflammatory drugs \< 1 month before study commencement;
5. Smokers;
6. Could not provide written informed consent

Where this trial is running

Rome

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.

View on ClinicalTrials.gov →

Conditions: Recurrent Aphthous Ulcer, aphthous ulcer, canker sores, aphthous stomatitis, Topical oral gel

Last reviewed 2026-05-15 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.