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A Retrospective Study of Transbronchial Cryobiopsy in the Diagnosis of Progressive Pulmonary Fibrosis

Study Purpose

The goal of this observational study is to learn about the diagnostic effectiveness, safety, and influencing factors of transbronchial cryobiopsy（TBLC） in progressive pulmonary fibrosis.

Recruitment Criteria

Accepts Healthy Volunteers Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms	No
Study Type An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes. Searching Both is inclusive of interventional and observational studies.	Observational
Eligible Ages	18 Years - 80 Years
Gender	All

More Inclusion & Exclusion Criteria

Inclusion Criteria:

Patients with PPF, ≥18 years of age, unclassified ILD, HRCT ≤3 months, forced vital capacity (FVC)≥50% predicted value, pulmonary carbon monoxide diffusion (DLCO)≥35% predicted value, echocardiography ≤12 months, estimated pulmonary systolic blood pressure ≤40 mmHg, Body mass index (BMI)≤35 kg/m2.

Exclusion Criteria:

Patients with platelet counts below 50,000e+9/L or International Normalized ratio of prothrombin time (INR) above 1.5 are not eligible for TBLC

Trial Details

Trial ID: This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.	NCT06275295
Phase Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans. Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data. Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
Lead Sponsor The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.	China-Japan Friendship Hospital
Principal Investigator The person who is responsible for the scientific and technical direction of the entire clinical study.	N/A
Principal Investigator Affiliation	N/A
Agency Class Category of organization(s) involved as sponsor (and collaborator) supporting the trial.	Other
Overall Status	Not yet recruiting
Countries
Conditions The disease, disorder, syndrome, illness, or injury that is being studied.	Pulmonary Fibrosis, Transbronchial Cryobiopsy

Additional Details

The goal of this observational study is to learn about the diagnostic effectiveness, safety, and influencing factors of transbronchial cryobiopsy（TBLC） in progressive pulmonary fibrosis. The main question it aims to answer are: • The diagnostic rate of MDD1 or MDD2 based on TBLC. • The rate of hemorrhage, pneumothorax, acute ILD exacerbation and mortality. Participants' medical records will be collected by us.

Contact Information

This trial has no sites locations listed at this time. If you are interested in learning more, you can contact the trial's primary contact:

Gang Hou, Professor

[email protected]

1384005481

For additional contact information, you can also visit the trial on clinicaltrials.gov.

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