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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04260295
Other study ID # KY2019-128
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date November 1, 2019
Est. completion date July 31, 2021

Study information

Verified date February 2020
Source Huashan Hospital
Contact Shengqing Li, PhD
Phone +8602152887072
Email shengqingli9655@163.com
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Lung cancer is the malignant tumor with the highest incidence, accounting for the first cause of tumor death. At present, smoking, occupational and environmental exposure, air pollution and genetic factors are considered to be related to the incidence of lung cancer. However, the occurrence of cancer is related to many factors. In recent years, researches have found that microorganisms are closely related to various human cancers. It is reported that 20% of cancers are related to multiple microorganisms, such as EB virus and nasopharyngeal cancer, HBV and liver cancer. Understanding the correlation between pathogenic microorganisms and cancer is of great significance for the pathogenesis, prevention and treatment of cancer. Basic researches have found that mycotoxins are related to animal models of lung cancer, but have not been confirmed in clinical and human.

With the help of microbial metagenome Next Generation Sequencing (mNGS) and bioinformatics analysis, the investigators initially found in clinical practice that some patients had fungal infections such as fungi in lung cancer tissues. This study intends to collect clinical cases (cross-sectional studies) to explore the correlation between the pathogenic microbiome and lung cancer, in order to confirm that the occurrence of lung cancer is closely related to microorganisms such as fungi.


Description:

The investigator designe a cross-sectional study to explore the correlation between the pathogenic microbiome and lung cancer, and to understand the specific pathogen distribution of the "lung cancer microbiome" in order to provide new ideas and strategies for the pathogenesis and prevention of lung cancer.

The subjects of this study are patients with lung shadow confirmed by CT-guided percutaneous lung biopsy. Lung shadows usually refer to high-density areas found in the parenchymal areas of the lungs on radiographs or radiographs, and often appear on CT as exudation, consolidation, masses, or nodules. Lung shadows mainly include infectious diseases of the lung, Tumors and interstitial lung diseases. The subjects are patients who cannot be diagnosed by conventional non-invasive testing methods (including blood, sputum and other specimens) and bronchoscopy, and the patients need to be diagnosed and treated as soon as possible (such as lung tumors, lung infections and other diseases ). Obtaining pathological and etiology of lung lesion tissue for examination is a necessary and effective diagnostic measure. Part of the biopsy tissue will be submitted for pathology and immunohistochemical detection, and the other part will be submitted for microbial mNGS detection.

Pulmonary shadow cases include lung cancer and non-lung cancer patients, which are intended to be included in 300 cases. According to the previous lung shadow patients admitted to respiratory department in Huashan Hospital, it is estimated that about 100 lung cancer patients and 200 non-lung cancer patients will be included, respectively.

Observation indicators in this study include histopathology of lung puncture biopsy, and next-generation sequencing of microorganisms in lung puncture biopsy.Baseline screening includes demographic data, medical history, combined medication records, symptoms, signs, electrocardiogram, lung function, and safety observation indicators. All patients will be followed up for 1 week for a total of three times, including baseline follow-up, 24 hours after lung puncture, and 1 week after lung puncture.


Recruitment information / eligibility

Status Recruiting
Enrollment 300
Est. completion date July 31, 2021
Est. primary completion date July 31, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria:

1. Pulmonary shadow patients, including lung cancer and non-lung cancer patients, whose tissue pathology can be clearly diagnosed by percutaneous lung puncture;

2. Age =18, =80 years, regardless of gender;

3. Agree to submit for pathology and pathogen metagenomic sequencing;

4. Voluntary signed informed consent.

Exclusion Criteria:

1. Patients with metastatic lung cancer;

2. Patients with contraindications to percutaneous lung puncture: those with hemorrhagic disease or severe coagulopathy; those with severe emphysema and cardiopulmonary insufficiency; the lung lesions may be vascular diseases such as hemangioma or arteriovenous fistula Etc .; severe cough cannot be controlled by uncooperatives; active hemoptysis;

3. Patients with other tumorous diseases;

4. patients with rheumatic diseases;

5. Patients with severe primary diseases such as heart, cerebrovascular, liver, kidney, hematopoietic system;

6. Patients with moderate to severe renal insufficiency (creatinine clearance =50ml/hour);

7. Patients with mental illness;

8. Pregnancy and lactation;

9. Patients who participated in other clinical trials in the past 3 months;

10. Staff in the hospital and their families in this research institution.

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
China Huashan hospital,Fudan university Shanghai Shanghai

Sponsors (1)

Lead Sponsor Collaborator
Huashan Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of cases of fungi found in lung cancer tissues Number of cases of fungi found in lung cancer tissues by pathology and next-generation sequencing of microorganisms 21 months
Primary Number of cases of fungi found in non-lung cancer tissues Number of cases of fungi found in non-lung cancer tissues by pathology and next-generation sequencing of microorganisms 21 months
Secondary Number of cases of microorganisms found in lung cancer tissue Number of cases of microorganisms found in lung cancer tissue by pathology and next-generation sequencing of microorganisms 21 months
Secondary Number of cases of microorganisms found in non-lung cancer tissue Number of cases of microorganisms found in non-lung cancer tissue by pathology and next-generation sequencing of microorganisms 21 months
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