Investigating tongue-tie treatments in newborns

Lingual Frenulum in Newborn Infants (LINNE): Prospective, Observational Study of the Oral Structural Variations, Their Correlations to the Functional Distinctions, and a Randomized, Controlled Trial on the Treatment of the Tongue-tie

NA · University of Oulu · NCT05560750

This study is testing different treatments for tongue-tie in newborns to see if they can help improve breastfeeding success for mothers and their babies.

Quick facts

PhaseNA
Study typeInterventional
Enrollment300 (estimated)
SexAll
SponsorUniversity of Oulu (other)
Locations3 sites (Oulu and 2 other locations)
Trial IDNCT05560750 on ClinicalTrials.gov

What this trial studies

This project examines the structural variations in the oral cavity of newborn infants and their impact on breastfeeding success, particularly focusing on tongue-tie. It includes a prospective follow-up study to explore the epidemiology of oral structures and breastfeeding issues, as well as a randomized controlled trial assessing the efficacy and safety of various treatments for tongue-tie. The study aims to improve breastfeeding experiences for mothers and satisfaction for parents through effective treatment options. Follow-up assessments will occur at multiple intervals to evaluate long-term outcomes.

Who should consider this trial

Good fit: Ideal candidates for this study are newborn infants diagnosed with tongue-tie that interferes with breastfeeding.

Not a fit: Patients with severe anomalies or illnesses, or those facing communication barriers that prevent participation, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance breastfeeding success rates and improve parental satisfaction through effective treatment of tongue-tie in newborns.

How similar studies have performed: Other studies have shown promising results with similar approaches to treating tongue-tie, indicating potential for success in this trial.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Newborn infant with at tongue-tie interfering the breastfeeding and patient's study screening scoring exceeding \>8/19

Exclusion Criteria:

* Child's severe anomaly or illness; the parent's severe illness; a communication problem between parents and researchers (e.g. language barrier); any other practical reason that prevents the child to have the procedure or the parents to provide the oral physiotherapy

Where this trial is running

Oulu and 2 other locations

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: Tongue Tie, Frenulum Breve, Frenulum, Elongation, Breast Feeding, Tongue tie, Frenulum lingualis, Frenotomy

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.