# Clinical Study of the Treatment of Chiari Malformation Combined With Type II Skull Base Depression

> **NCT05754554** · NA · COMPLETED · sponsor: **Southern Medical University, China** · enrollment: 64 (actual)

## Conditions studied

- Atlantoaxial Dislocation
- Chiari Malformation
- Basilar Invagination

## Interventions

- **PROCEDURE:** Atlas occipital decompression lateral joint release combined with occipital-neck fusion
- **PROCEDURE:** Simple FMD with Outer Dural Delamination

## Key facts

- **NCT ID:** NCT05754554
- **Lead sponsor:** Southern Medical University, China
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-03-01
- **Primary completion:** 2024-12-12
- **Final completion:** 2024-12-16
- **Target enrollment:** 64 (ACTUAL)
- **Last updated:** 2026-04-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05754554

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05754554, "Clinical Study of the Treatment of Chiari Malformation Combined With Type II Skull Base Depression". Retrieved via AI Analytics 2026-07-25 from https://api.ai-analytics.org/clinical/NCT05754554. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*