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Construction, Validation, and Efficacy Evaluation of a Grading System for Surgical Treatment of Radiation-induced Osteonecrosis Following Nasopharyngeal Carcinoma Radiotherapy: A Multicenter Prospective Cohort Study

Construction, Validation, and Efficacy Evaluation of a Grading System for Surgical Treatment of Radiation-Induced Nasopharyngeal and Skull Base Necrosis Following Nasopharyngeal Carcinoma Radiotherapy: A Multicenter Prospective Cohort Study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500099865
Enrollment
Unknown
Registered
2025-03-31
Start date
2025-04-01
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

Nasopharyngeal and skull base radiation-induced osteoradionecrosis

Interventions

Osteoradionecrosis Grading:None

Sponsors

The Third Affiliated Hospital Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Patients diagnosed with radiation-induced nasopharyngeal and skull base tissue necrosis; 2.History of radiotherapy and chemotherapy for nasopharyngeal malignancy; 3.Patient and family understand the risks and efficacy of surgical treatment; 4.General physical condition suitable for surgical treatment after evaluation;

Exclusion criteria

Exclusion criteria: 1.Patients requiring surgery due to recurrence after radiotherapy and chemotherapy for nasopharyngeal cancer; 2.Patients with other malignant tumors besides nasopharyngeal cancer; 3.Postoperative pathology indicating tumor residue or recurrence; 4.Inability to understand surgical treatment risks and efficacy; 5.General condition unable to tolerate general anesthesia and surgical treatment; 6.Patients with psychiatric disorders; 7.Pregnant women and pediatric patients.

Design outcomes

Primary

MeasureTime frame
Patient survival time;Patient survival status;

Secondary

MeasureTime frame
Re-operation rate;Pain score;Quality of life score;Postoperative tissue/mucosal flap healing classification;

Countries

China

Contacts

Public ContactZhaohui Shi

The Third Affiliated Hospital Sun Yat-sen University

shizhh35@mail.sysu.edu.cn+86 13720525999

Outcome results

None listed

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