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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02689050
Other study ID # NL54080.018.15
Secondary ID
Status Completed
Phase N/A
First received January 28, 2016
Last updated September 19, 2017
Start date January 13, 2016
Est. completion date March 22, 2017

Study information

Verified date September 2017
Source Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

EUS-FNA is the recommended diagnostic examination of choice when patients present with suspected lower mediastinal lymph nodes on imaging. EUS-FNA is minimal invasive and low in costs, and although it has a good record in detecting diseases (eg confirm a nodal metastasis or granulomas) it has limitations in excluding diseases (missing metastases/ or granulomas) resulting in a false negative rate of 15-20%. Substantial limitations that most likely can be attributed to areas within the node that are not sampled during EUS-FNA tissue acquisition. Improved needle based EBUS/ EUS guided nodal diagnostics might result in improved quality of the fine needle aspirations, reduce in surgical diagnostic procedures , reduced costs and result in a shorter timebefore-treatment interval.


Description:

Needle based confocal laser endomicroscopy (nCLE) is a modern imaging technique, compatible with the conventional diagnostic aspiration needle, that uses an excitation laser light to create 'real-time' microscopic images of tissues. Therefore this technique provides additional information regarding the nodal status and could therefore improve the diagnostic yield of EUS-FNA. Specifically, we will describe the nCLE image characteristics of lymph nodes involved in lung cancer and sarcoidosis as well as in healthy lymph nodes. Improved characterization of mediastinal nodes might lead to improved diagnosis.


Recruitment information / eligibility

Status Completed
Enrollment 40
Est. completion date March 22, 2017
Est. primary completion date March 22, 2017
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- =18 years of age

- Suspected or tissue proven sarcoidosis (stage I or II based on CT/PET-CT) and referred for diagnostic endosonographic work up or

- Suspected or tissue proven NSCLC with suspected mediastinal lymph nodes within reach of EUS-FNA

Exclusion Criteria:

- Inability and willingness to provide informed consent

- Inability to comply with the study protocol

- Patients with known allergy for fluorescein

- use of betablokker within 24 hours before procedure

- possible pregnancy or lactating women

Study Design


Intervention

Device:
Needle based confocal laser endomicroscopy (nCLE)
During the fine needle aspiration of a suspected and a non-suspected lymph node we will obtain needle based CLE (nCLE) images within the lymph node. Fine needle aspirations will be obtained after the optical biopsy measurements. We will compare the results of the optical biopsy with the cytology results, or to histology in case an additional surgery is indicated.

Locations

Country Name City State
Netherlands Academisch Medisch Centrum Amsterdam Noord-Holland

Sponsors (1)

Lead Sponsor Collaborator
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)

Country where clinical trial is conducted

Netherlands, 

Outcome

Type Measure Description Time frame Safety issue
Primary The differences on CLE imaging between different disease entities in thoracic lymph nodes (e.g. malignant, reactive and nodes involved in sarcoidosis). follow up of 2 weeks after measurements cross-sectional (2 weeks)
Secondary Creating a CLE-image atlas for reactive lymph nodes and lymph nodes involved in lung cancer and sarcoidosis. cross sectional (2 weeks)
Secondary The number of participants with procedure related adverse advents. 2 weeks
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