A Randomised Study Evaluating Diagnostics of Pleural Effusion Among Patients Suspect of Cancer.
NCT ID: NCT04233359
Last Updated: 2020-09-28
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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TERMINATED
NA
4 participants
INTERVENTIONAL
2019-12-20
2020-09-24
Brief Summary
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Methods and objectives:
Patients with reoccuring one-sided pleural fluid, with a marked clinical risk of cancer based on findings in medical work-up, radiological scans, biochemistry and medical history and who are undiagnosed upon initial pleural fluid analysis are the target patients of the trial. Patients are randomized into two groups to have undertaken either pleural biopsy at the optimal site for a repeat thoracentesis or LAT. Thus diagnostic yield for both fluid analysis and biopsy analysis will be compared to tissue samples taken with LAT.
We hypothesize that LAT is superior both to pleural biopsy and repeat thoracentesis in providing diagnostic clarification and providing sufficient basis for treatment without further procedures resulting in less time consumption, cost and discomfort for the patient.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
DIAGNOSTIC
NONE
Study Groups
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US-guided pleural biopsy and thoracentesis
Pleural biopsy:
Using ultrasound the optimal point of entry for thoracentesis is located, and local anesthesia is obtained. The area is wiped with disinfectant and a skin incision is made with a pointed scalpel. Six US-guided biopsies of 1x2 millimetres are taken from the parietal pleura using closed needle biopsies (Quick-core Biopsy Needle 18G, COOK Medical, Bloomington, Indiana, USA or Bard Max Core Biopsy Needle 18G, Tempe, Arizona, USA). Afterward, a thoracentesis is performed in the same incision as used by the pleural biopsy. A pigtail catheter is inserted and fastened and connected to a sealed bag and fluid is aspirated and sent to relevant analysis.
US-guided pleural biopsy
In local anesthesia, a closed needle biopsy is performed Ultrasound guided of the parietal pleura at the place of deepest fluid recess in the intrathoracic space. A pigtail catheter French 7-16 is placed afterwards for fluid drainage.
LAT and thoracentesis
Local anesthetic thoracoscopy: Pre-procedure a pleural pigtail catheter is inserted and pleural fluid is removed. The catheters one-way valve is opened and the patient takes several breaths thereby creating a pneumothorax prior to procedure start. The patient is sedated with midazolam and morphine. Midaxillary access through intercostal space 4-7 is achieved in local anesthesia and via a skin incision a trocar is placed for access to the thoracic space. A semi-rigid thoracoscope (model LTF 160; Olympus, Tokyo, Japan) is inserted via the trocar and the pleural cavity is inspected after removal of residual effusion whereof at least 40ml is sent to cytology. Pleural parietal biopsies are taken under direct visual guidance. The recommended number of biopsies is 10-15. If no abnormalities were seen, random biopsies are taken. After relevant biopsies are taken the instruments are removed the pigtail catheter stays inserted to allow for removal of air and expansion of the lung.
Local anesthetic thoracoscopy
Procedure to obtain histological biopsies of the parietal pleura on awake, fastening patients.
Interventions
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Local anesthetic thoracoscopy
Procedure to obtain histological biopsies of the parietal pleura on awake, fastening patients.
US-guided pleural biopsy
In local anesthesia, a closed needle biopsy is performed Ultrasound guided of the parietal pleura at the place of deepest fluid recess in the intrathoracic space. A pigtail catheter French 7-16 is placed afterwards for fluid drainage.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Lights Criteria:
Pleural fluid protein/serum protein ratio greater than 0.5 pleural fluid LDH/serum LDH ratio greater than 0.6 Pleural fluid LDH greater than two-thirds the upper limits of the Laboratorys normal Serum LDH
* Contrast enhanced CT of the Chest and abdomen performed
* Clinical suspicion of cancer such as, but not limited to, weight loss, malaise, anemia
* Pet-CT results or former cancer diagnosis Informed consent
Exclusion Criteria
* known cause of pleural effusion
* likely non-malignant course of a unilateral pleura effusion such as (but not restricted to) pneumonia, trauma, pleuritis, heart failure
* any contraindication to the study procedures
18 Years
ALL
No
Sponsors
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Naestved Hospital
OTHER
Responsible Party
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Principal Investigators
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Uffe Bødtger, MD ph.d.
Role: STUDY_CHAIR
Næstved
Locations
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Næstved Hospital
Næstved, , Denmark
University Hospital Zealand, Roskilde
Roskilde, , Denmark
Countries
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References
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Other Identifiers
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SJ-790
Identifier Type: -
Identifier Source: org_study_id
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