Clinical study for the treatment of early femoral head necrosis used by lantern-shaped screw fixation system

Status

Recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-TRC-13004078

Enrollment

Unknown

Registered

2013-11-28

Start date

2014-01-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

Femoral head necrosis

Interventions

Intervention group:Lantern-shaped support devices

Control group:Core decompression

Eligibility

Sex/Gender

All

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1. aged between 18 to 50 years; 2. unilateral or bilateral I and II femoral head necrosis according to the ARCO classification; 3. patients who have signed the informed consent.

Exclusion criteria

Exclusion criteria: 1. age above 50 years and severe osteoarthritic changes in hip joint (ARCO III and V); 2. patients with general diseases; 3. patients with tumor or psychological diseases.

Design outcomes

Primary

Measure	Time frame
Time from intervention to THA or collapse of femoral head;Anterior and posterior view of hip joint pre- and post operation;Computed tomography of hip joint;VAS of hip joint pre- and post operation;Harris Hip score pre- and post- operation;Gender, age at surgery and etiology of necrosis;	—

Secondary

Measure	Time frame
Operative duration and blood loss on operation, total days of hospitalization;Survival rate for the treatment of early avascular necrosis of the femoral head;	—

Contacts

Public ContactDasheng Lin

The 175th hospital of PLA

mgss17@163.com+86 13859289583

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 5, 2026