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Red Dichromatic Imaging (RDI) for Lesion Visibility After Bronchoscopic Biopsy: A Prospective Paired Study Using CIELAB Color Difference Analysis

Red Dichromatic Imaging (RDI) for Lesion Visibility After Bronchoscopic Biopsy: A Prospective Paired Study Using CIELAB Color Difference Analysis

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600120582
Enrollment
Unknown
Registered
2026-03-17
Start date
2026-04-01
Completion date
Unknown
Last updated
2026-03-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Central lung cancer

Interventions

Observation group:N/A

Sponsors

The First Affiliated Hospital of Ningbo University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Age >=18 years; 2.Patients with chest CT highly suspicious for lung cancer, scheduled for diagnostic bronchoscopic biopsy. 3.Provide written informed consent and voluntarily participate in this clinical study.

Exclusion criteria

Exclusion criteria: 1.Severe cardiopulmonary disease, coagulation disorders, intolerance to anesthesia, psychiatric disorders or severe neurosis, or any other contraindications to flexible bronchoscopy (including patients on anticoagulation and/or antiplatelet therapy who have not discontinued such medications =5 days prior to the procedure); 2.Intra-procedural oxygen desaturation (SpO2 decline) or inability to tolerate bronchoscopy; 3.Unable to comply with study procedures for any reason, or judged unsuitable by the investigator; 4.Significant active endobronchial bleeding on bronchoscopy with anticipated risk of clinical worsening; 5.Incomplete or missing key clinical information required for study assessment.

Design outcomes

Primary

MeasureTime frame
The CIELAB color difference between bleeding areas and abnormal mucosal lesion areas under RDI and WLI modes;

Secondary

MeasureTime frame
Visibility grading (4 levels) for abnormal mucosal lesions;Diagnostic sensitivity of RDI-guided biopsy in AFI-positive patients;Amount of post-biopsy bleeding and bleeding severity grade;

Countries

China

Contacts

Public ContactZhongbo Chen

The First Affiliated Hospital of Ningbo University

leonczb@sina.com+86 574 87035254

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 3, 2026