Status:

RECRUITING

Reduced vs Conventional Dosage Intensity-modulated Radiotherapy for Chemotherapy-sensitive Stage II-III Nasopharyngeal Carcinoma

Lead Sponsor:

Sun Yat-sen University

Collaborating Sponsors:

National Cancer Centre, Singapore

Affiliated Cancer Hospital & Institute of Guangzhou Medical University

Conditions:

Nasopharyngeal Carcinoma

Radiotherapy

Eligibility:

All Genders

18-70 years

Phase:

PHASE3

Brief Summary

Through multicenter, open-label, randomised clinical trials, we intend to demonstrate that radiotherapy with reduced dose could significantly reduce the incidence of radiotherapy toxicities, improve t...

Detailed Description

Through multicenter, open-label, randomised clinical trials, patients with NPC staged as II-III with CR/PR according to RECIST criteria and EBV DNA decreased to 0 copies/mL after 3 cycles of GP induct...

Eligibility Criteria

Inclusion

  • Histologically confirmed non-keratinizing nasopharyngeal carcinoma (differentiated or undifferentiated type, i.e., WHO type II or type III).
  • Staged as T1-3N1-2M0, T2-3N0M0 (stage II-III) at diagnosis (according to the 8th AJCC edition).
  • Aged between 18-70 years.
  • Karnofsky scale (KPS)≥70.
  • Normal bone marrow function.
  • Evaluated as PR or CR after 3 cycles of GP induction chemotherapy.
  • EBV DNA copy number decreased to 0 copies/mL after 3 cycles of GP induction chemotherapy.
  • Normal liver and kidney function:
  • total bilirubin, AST and ALT levels of no more than 2.5 times the upper normal limit;
  • creatinine clearance rate of at least 60 mL/min or creatinine of no more than 1.5 times the upper normal limit.
  • Given written informed consent.

Exclusion

  • Histologically confirmed keratinized squamous cell carcinoma (WHO type I) or basal squamous cell carcinoma.
  • Recurrent or metastatic nasopharyngeal carcinoma.
  • Evaluated as SD or PD after 3 cycles of GP induction chemotherapy.
  • EBV DNA copy number of more than 0 copies/mL after 3 cycles of GP induction chemotherapy.
  • Pregnancy or lactation (Pregnancy tests should be considered for women in childbearing age, and effective contraception should be emphasized during treatment.)
  • Other invasive malignant diseases in the past, other than cured basal cell skin carcinoma, squamous cell carcinoma, cervical carcinoma in situ.
  • Primary and regional lesions have been treated with chemotherapy or surgery (except diagnostic purpose)
  • Any severe disease, which may cause unacceptable risk factors or affect compliance with the trial, for example, unstable heart disease requiring treatment, kidney disease, chronic hepatitis, poorly controlled diabetes (fasting blood glucose \> 1.5×ULN), and mental illness.

Key Trial Info

Start Date :

August 18 2020

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

August 1 2028

Estimated Enrollment :

508 Patients enrolled

Trial Details

Trial ID

NCT04448522

Start Date

August 18 2020

End Date

August 1 2028

Last Update

September 28 2020

Active Locations (6)

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Page 1 of 2 (6 locations)

1

Sun Yat-sen University Cancer Center

Guangzhou, Guangdong, China, 510060

2

Cancer Center of Guangzhou Medical University

Guangzhou, Guangdong, China, 510095

3

Yuebei People's Hospital

Shaoguan, Guangdong, China, 512025

4

Zhongshan People's Hospital

Zhongshan, Guangdong, China, 528403