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Found 79 clinical trials
Asthma Sample Collection Protocol

(bronchoalveolar lavage) collects cells. In this study, researchers plan to perform these tests on patients with asthma and normal volunteers. This research may help to improve the understanding of the

methacholine
obstruction
methacholine challenge
bronchodilator
airway obstruction
  • 312 views
  • 17 Sep, 2022
  • 1 location
Studies of Human Pneumocystis Infection

infection is diagnosed by sputum analysis or bronchoalveolar lavage. For the sputum analysis, patients are induced to produce a sputum sample (liquid discharge from the lung) using a saline mist; however

pneumonia
cancer
nucleic acid
bronchoalveolar lavage
cough
  • 7 views
  • 18 Sep, 2022
  • 1 location
Prospective Evaluation of Genetic and Epigenetic Alterations in Patients With Thoracic Malignancies

of their disease and for determining eligibility for an NCI investigational treatment study. All patients undergo bronchoscopy and bronchoalveolar lavage ("washing" with salt water) to

cancer
metastasis
withdrawn
bronchoscopy
lung carcinoma
  • 139 views
  • 22 Sep, 2022
  • 1 location
BROnchoalveolar Investigations of Never-smokers With Chronic Obstruction From the Swedish CardioPulmonary bioImage Study (BRONCOSCAPIS)

segment, were sampling will be performed from a number of anatomical locations, including bronchial biopsies, airway epithelial brushings, and bronchoalveolar lavage. Serum, plasma, and urine samples will

bronchoscopy
pulmonary disease
obstructive lung disease
lung disease
Accepts healthy volunteers
  • 65 views
  • 24 Feb, 2022
  • 6 locations
Research Respiratory Tract Procedures

. Fluid collection during the bronchoscopy using one of the following methods: Bronchoalveolar lavage: Salt water is injected through the bronchoscope into the lung and immediately

blood urea nitrogen
bronchoalveolar lavage
lidocaine
Accepts healthy volunteers
sedative
  • 116 views
  • 15 Sep, 2022
  • 1 location
The Individualized Accurate Diagnosis and Treatment of Chronic Objective Pulmonary Disease(COPD) Patients Based on Multidimensional Data (COPD)

Chronic obstructive pulmonary disease (COPD) is known as progressive lung disease and the fourth leading cause of death worldwide. Despite valuable efforts, there is still no Individualized accurate diagnostic and prognostic tool for COPD. Hence, the investigators' research integrated multi-dimensional data of COPD patients, which may provide an invaluable bioinformatic …

Accepts healthy volunteers
  • 1 views
  • 19 Feb, 2022
  • 1 location
Biomarkers in Patients With Respiratory Tract Dysplasia or Lung Cancer, Head and Neck Cancer, or Aerodigestive Tract Cancer and in Normal Volunteers

RATIONALE: Studying samples of sputum and tissue in the laboratory from patients with dysplasia or cancer may help doctors identify and learn more about biomarkers related to cancer. It may also help the study of cancer in the future. PURPOSE: This laboratory study is looking at biomarkers in patients with …

cancer
pneumonia
bronchoscopy
asthma
dysplasia
  • 19 views
  • 24 Jan, 2022
  • 1 location
Thoracic Specimen Registry

The purpose of the registry will be to support ongoing research in the etiology, early diagnosis, clinical management, and prognosis of lung cancer and other cancers and diseases of the thorax by developing a complete repository of specimens from patients with thoracic disease including but not limited to suspected lung …

cancer
thoracic disease
chronic obstructive pulmonary disease
lung carcinoma
COPD
  • 0 views
  • 19 Nov, 2021
  • 1 location
RASopathy Biorepository

The RASopathies are a group of developmental disorders caused by genetic changes in the genes that compose the Ras/mitogen activated protein kinase (MAPK) pathway. New RASopathies are being diagnosed frequently. This pathway is essential in the regulation of the cell cycle and the determination of cell function. Thus, appropriate function …

  • 229 views
  • 08 Aug, 2021
  • 1 location
Crowdsourcing an Open COVID-19 Imaging Repository for AI Research

The objectives of this project are to (1) assemble a crowdsourced, de-identified radiographic repository; and (2) train and validate existing COVID-NET deep learning diagnostic models.

Accepts healthy volunteers
  • 15 views
  • 04 Jun, 2022
  • 1 location