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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT05519956
Other study ID # NPC008.1
Secondary ID
Status Not yet recruiting
Phase Phase 3
First received
Last updated
Start date September 16, 2022
Est. completion date September 30, 2025

Study information

Verified date August 2022
Source Fujian Cancer Hospital
Contact Shaojun Lin, DR
Phone 13860603879
Email linshaojun@yeah.net
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Currently, nasopharyngeal carcinoma (NPC) patients who had level II involvement with extracapsular extension (ECE), and/or had a maximum nodal axial diameter (MAD) of greater than 2cm in level II will be recommended to receive level Ib-covering IMRT according to the International Guidelines. Our previous study, which retrospectively analyzed a cohort of 390 patients, indicated that it should be safe and feasible for patients who only had at least one of the above two radiological features. Thus, the investigators conduct this non-inferior phase 3, randomized trial to further determine the feasibility of sparing level Ib in patients who had level II involvement with ECE, and/or had a MAD of greater than 2cm in level II.


Description:

Currently, nasopharyngeal carcinoma (NPC) patients who had level II involvement with extracapsular extension (ECE), and/or had a maximum nodal axial diameter (MAD) of greater than 2cm in level II will be recommended to receive level Ib-covering IMRT according to the International Guidelines. Our previous study, which retrospectively analyzed a cohort of 390 patients, indicated that it should be safe and feasible for patients who only had at least one of the above two radiological features. Thus, the investigators conduct this non-inferior phase 3, randomized trial to further determine the feasibility of sparing level Ib in patients who had level II involvement with extracapsular extension (ECE), and/or had a maximum nodal axial diameter (MAD) of greater than 2cm in level II.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 398
Est. completion date September 30, 2025
Est. primary completion date September 1, 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years to 70 Years
Eligibility Inclusion Criteria: 1. newly diagnosed, non-metastatic nasopharyngeal carcinoma histologically confirmed by biopsy; 2. the following conditions: ? involvement of level II LNs with extracapsular extension(ECE); ? level II LNs involvement with maximum nodal axial diameter (MAD) greater than 2 cm; 3. Eastern Cooperative Oncology Group (ECOG) score of 0 or 1. Exclusion Criteria: 1. level Ib involvement with positive pathological results; 2. submandibular glands (SMGs) involvement; 3. involvement of structures that drain to level Ib as the first echelon site (the oral cavity, anterior half of nasal cavity involvement); 4. previous malignancy or other concomitant malignant disease.

Study Design


Related Conditions & MeSH terms


Intervention

Radiation:
level Ib-covering IMRT
Patients who had level II involvement with extracapsular extension (ECE), and/or had a maximum nodal axial diameter (MAD) of greater than 2cm in level II.
level Ib-sparing IMRT
Patients who had level II involvement with extracapsular extension (ECE), and/or had a maximum nodal axial diameter (MAD) of greater than 2cm in level II.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Fujian Cancer Hospital

Outcome

Type Measure Description Time frame Safety issue
Primary Regional relapse-free survival The regional relapse-free survival rate will be estimated using Kaplan-Meier method for each arm from the date of randomization to the date of nodal relapse or death from any cause, whichever occurred first. Their differences will be compared between treatment arms using the log-rank test. 3 year
Primary level Ib recurrence rate The level Ib recurrent rate will be calculated by the ratio of mumbers of patients relapsed in level Ib and the numbers of cases in the whole group. 3 year
Secondary Local relapse-free survival The local relapse-free survival rate will be estimated using Kaplan-Meier method for each arm from the date of randomization to documented local relapse or death from any cause. Their differences will be compared between treatment arms using the log-rank test. 3 year
Secondary Distant metastasis-free survival The distant metastasis-free survival rate will be estimated using Kaplan-Meier method for each arm from the date of randomization to documented distant metastasis or death from any cause. Their differences will be compared between treatment arms using the log-rank test. 3 year
Secondary Overall survival The overall survival rate will be estimated using Kaplan-Meier method for each arm from the date of randomization to death from any cause. Their differences will be compared between treatment arms using the log-rank test. 3 year
Secondary Patient's quality-of-life: dry mouth European Organization for Research and Treatment of Cancer Quality-of-Life Head and Neck 35 items (QLQ-H&N35) version 1.0 questionnaires will be used to assess quality-of-life. All items pointing to this domain are averaged and then transformed to a scale of 0-100 according to the EORTC scoring manual. Higher scores on the symptom scales indicate more severe symptoms. 3 year
Secondary Patient's quality-of-life: sticky saliva European Organization for Research and Treatment of Cancer Quality-of-Life Head and Neck 35 items (QLQ-H&N35) version 1.0 questionnaires will be used to assess quality-of-life. All items pointing to this domain are averaged and then transformed to a scale of 0-100 according to the EORTC scoring manual. Higher scores on the symptom scales indicate more severe symptoms. 3 year
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