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A cohort study on rare diseases of congenital atlantoaxial dislocation

A cohort study on rare diseases of congenital atlantoaxial dislocation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600115924
Enrollment
Unknown
Registered
2026-01-04
Start date
2026-01-07
Completion date
Unknown
Last updated
2026-01-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Congenital atlantoaxial dislocation (CAAD)

Interventions

Relaxation of transverse ligament of atlas:N/A
Underdevelopment of odontoid process:N/A
Free odontoid process:N/A

Sponsors

The Affiliated Hospital of Southwest Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.To meet the diagnosis of congenital atlantoaxial dislocation: Congenital atlantoaxial subluxation (CAAD) refers to a distance between the anterior and posterior teeth that exceeds 3mm (in adults) or 5mm (in children). 2.Symptoms of neural and spinal cord compression present or absent.

Exclusion criteria

Exclusion criteria: Exclude other congenital malformations or genetic diseases such as skull base depression, Chiari malformation, congenital spinal epiphyseal dysplasia (SEDC), Morquio's syndrome, and Trisomy 21 syndrome.

Design outcomes

Primary

MeasureTime frame
Natural disease progression;Changes in cervical spine imaging parameters;—

Countries

China

Contacts

Public ContactYang Chaohua

The Affiliated Hospital of Southwest Medical University

461693917@qq.com+86 830 316 5441

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026