NCT07561606

Brief Summary

Correlation Between Posterior Crossbite and Risk of Obstructive Sleep Apnea

Trial Health

65
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
420

participants targeted

Target at P75+ for all trials

Timeline
1mo left

Started Apr 2026

Shorter than P25 for all trials

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress60%
Apr 2026Jun 2026

Study Start

First participant enrolled

April 1, 2026

Completed
24 days until next milestone

First Submitted

Initial submission to the registry

April 25, 2026

Completed
6 days until next milestone

First Posted

Study publicly available on registry

May 1, 2026

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2026

Last Updated

May 1, 2026

Status Verified

April 1, 2026

Enrollment Period

2 months

First QC Date

April 25, 2026

Last Update Submit

April 25, 2026

Conditions

Crossbite Teeth

Outcome Measures

Primary Outcomes (1)

  • Risk or presence of obstructive sleep apnea (OSA) based on OSA-18 scores

    questionnaire

    2 months

Study Arms (2)

intervention

Screening using the OSA-18 (Obstructive Sleep Apnea-18) questionnaire

Other: Interventions

comparator

Patients without posterior crossbite, or Normative OSA-18 scores / low-risk groups

Other: Comparator

Interventions

ComparatorOTHER

Patients without posterior crossbite, or Normative OSA-18 scores / low-risk groups

comparator
InterventionsOTHER

Screening using the OSA-18 (Obstructive Sleep Apnea-18) questionnaire

intervention

Eligibility Criteria

Age6 Years - 12 Years
Sexall
Age GroupsChild (0-17)
Sampling MethodNon-Probability Sample
Study Population

Children with posterior crossbite Patients without posterior crossbite, or Normative OSA-18 scores / low-risk groups

You may qualify if:

  • Children in mixed dentition stage aged 6-12 years
  • Presence of posterior crossbite

You may not qualify if:

  • Syndromic patients
  • Previous orthodontic treatment
  • Chronic respiratory or neurological disorders Matching criteria and allocation ratio

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Interventions

Methods

Intervention Hierarchy (Ancestors)

Investigative Techniques

Study Officials

  • Sally M Mosallam, Master Degree

    MSA University

    STUDY DIRECTOR

  • Ahmed Ayman

    MSA University

    PRINCIPAL INVESTIGATOR

  • Mohamed Hesham

    MSA University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Marwa A. Salmoon, Ph.D

CONTACT

01016555055maasalmoon@msa.edu.eg

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Lecturer

Study Record Dates

First Submitted

April 25, 2026

First Posted

May 1, 2026

Study Start

April 1, 2026

Primary Completion (Estimated)

June 1, 2026

Study Completion (Estimated)

June 1, 2026

Last Updated

May 1, 2026

Record last verified: 2026-04

Data Sharing

IPD Sharing
Will not share