Evaluate the Accuracy of Raman IVD Analyzer in the Diagnosis of Gliomas During Surgery

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

256 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-06-30

Study Completion Date

2024-10-31

Brief Summary

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Compare the data obtained from the Raman analyzer and paraffin pathology examination on the same external brain tissue sample. Evaluate the effectiveness and safety of the Raman analyzer for intraoperative diagnosis gliomas of brain resection tissue samples, using paraffin pathological examination results as clinical reference standards.

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Detailed Description

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Based on statistical calculations,108 positive samples and 148 negative samples will be included in the trial in all trial centers. Compare the results between the Raman analyzer and the paraffin pathological. And calculate the sensitivity, the specificity, and other indicators of Raman analyzer.

During surgery, core or marginal tissue samples were taken from subjects. The test samples size:0.2cm\<length diameter ≤ 2cm. The sample testing result is based on the Raman test points. Then take the same tissue sample for paraffin pathological diagnosis.

Statistical description of all data, including baseline data, all efficacy indicators, and all safety data. The measurement data give the mean, standard deviation, minimum, maximum, median,25 quantile and 75 quantile; Provide frequency and composition ratio for counting data. The baseline data was analyzed using the Full Analysis Set (FAS); The effectiveness analysis adopts FAS and PPS; The security analysis uses the Security Dataset (SS).

Conditions

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Glioma

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

The same sample was diagnosed using Raman spectroscopy and paraffin pathology, respectively. Calculate the sensitivity and specificity of a Raman analyzer using paraffin pathological results as the gold standard.

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Blind assessment: Researchers using Raman analyzer during surgery are not aware of the subjects' preoperative diagnostic results, while researchers conducting paraffin pathology examinations after surgery are not aware of the subjects' preoperative diagnostic results and the diagnostic results of Raman analyzer.

Study Groups

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Perform two different tests on the same sample

The same sample is diagnosed using a Raman analyzer firstly and then diagnosed by paraffin pathology.

Group Type OTHER

Paraffin pathological diagnosis

Intervention Type DIAGNOSTIC_TEST

Perform two diagnostic methods on the same sample

Interventions

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Paraffin pathological diagnosis

Perform two diagnostic methods on the same sample

Intervention Type DIAGNOSTIC_TEST

Other Intervention Names

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Raman analyzer diagnosis

Eligibility Criteria

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Inclusion Criteria

* Age ≥ 18 years old, regardless of gender;
* Patients who plan to undergo brain lesion tissue resection surgery or have preoperative clinical diagnosis of gliomas and plan to undergo biopsy;
* Patients with clinical diagnosis of initial solitary gliomas, or initial solitary intracranial masses or initial non occupying lesions that do not exclude gliomas (such as intracranial metastatic lesions, intracranial infectious lesions, intracranial demyelinating lesions, central nervous system lymphoma, etc.), who have not received radiotherapy or chemotherapy in the past based on their medical history;
* The patient or their guardian can understand the research purpose, demonstrate sufficient compliance with the trial protocol, and sign an informed consent form;
* It is possible to obtain tissue samples with a length diameter greater than 0.2cm. Patients diagnosed with initial solitary glioma should take core or marginal tissue, while patients diagnosed with initial single intracranial mass or initial non mass lesions but maybe with gliomas should be taken core tissue.