Comparing the effects of CTO0303 on pupil size in children

A Multi-center, Double-blind, Randomized, Parallel, Active-controlled, Non-inferior, Phase Ⅱb/Ⅲ Study to Evaluate the Safety and Efficacy of CTO0303

Phase2; Phase3 Interventional Taejoon Pharmaceutical Co., Ltd. · NCT06609525

This study is testing if a new treatment called CTO0303 can make children's pupils dilate more than a standard treatment.

Quick facts

PhasePhase2; Phase3
Study typeInterventional
Enrollment156 (estimated)
Ages4 Years to 15 Years
SexAll
SponsorTaejoon Pharmaceutical Co., Ltd. Industry-sponsored
Locations1 site (Incheon)
Trial IDNCT06609525 on ClinicalTrials.gov

What this trial studies

This clinical trial is a prospective randomized study that evaluates the efficacy and safety of CTO0303 in pediatric subjects aged 4 to 15 years. Participants will receive either the investigational product CTO0303 or an active control, and their pupil size will be measured 30 minutes post-administration. The study aims to determine how well CTO0303 induces pupillary dilation compared to the control. The trial is designed to provide insights into the effectiveness of this treatment in a pediatric population.

Who should consider this trial

Good fit: Ideal candidates for this study are pediatric or adolescent subjects aged 4 to 15 years who can provide written consent along with their parents or legal representatives.

Not a fit: Patients with a history of severe reactions to atropine or those with anterior segment diseases that affect eye examinations may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved methods for inducing pupillary dilation in children, enhancing the accuracy of ophthalmological examinations.

How similar studies have performed: While this approach is being tested in this specific context, similar studies have shown promise in evaluating pupillary dilation effects in pediatric populations.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Pediatric or adolescent subjects those who get a written consent both whom and their parents (or legally acceptable representative)
* Pediatric or adolescent subjects aged 4 to 15 years old based on date of written consent

Exclusion Criteria:

* Subjects with a history of severe systemic reaction or increased sensitivity to atropine
* Subjects with anterior segment disease that interferes with ophthalmological examination (ex. corneal scar, corneal opacity and others)
* Subjects administered mydriatic medication within 14 days prior to administration of Investigational Product
* Subjects with contact lens

Where this trial is running

Incheon

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 Pupillary Dilation Effect During Cycloplegic Refractionpupillary dilation
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.