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This study examines the diagnostic accuracy of an EBV C promoter methylation kit in nasopharyngeal carcinoma, alongside EBV antibody and EBV-DNA tests. It is enrolling people with symptoms suggestive of nasopharyngeal carcinoma or who are being evaluated for EBV-associated cancers. It is being run as a study with no assigned phase and is currently recruiting participants.
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria: Participants who meet the following Article 1 and also meet one of Articles 2 to 6 can be enrolled: * Understand, sign, and date the informed consent document to participate in the study * Display one or more symptoms or signs indicative of nasopharyngeal carcinoma * Test positive for EBV antibodies or EBV DNA * Be diagnosed with other head and neck carcinomas * Be diagnosed with malignancies associated with EBV infection * Require differential diagnosis from nasopharyngeal carcinoma during endoscopic or other imaging examinations * Fulfill any additional conditions deemed appropriate by the investigator for inclusion in this study Exclusion Criteria: * Have been diagnosed with nasopharyngeal carcinoma and have undergone treatment * Experience relapse or metastasis of nasopharyngeal carcinoma following treatment * Have unsuccessful nasopharyngeal swab collections * Present any other conditions considered by the investigator as unsuitable for participation in this trial