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A Randomised Study Evaluating Diagnostics of Pleural Effusion Among Patients Suspect of Cancer.

Not Applicable
Terminated
Conditions
Pleural Effusion
Pleura; Exudate
Pleural Effusion, Malignant
Registration Number
NCT04233359
Lead Sponsor
Naestved Hospital
Brief Summary

Pleural fluid can be caused by cancer. Patients with repeated presentation of pleural fluid where initial diagnostic tests have been inconclusive are the focus of this trial. In this clinical trial patients are randomized into two groups and the efficacy of local anesthetic thoracoscopy (LAT) is compared to an ultrasound guided biopsy of the outer lining of the lung. The aim is not only the diagnostic yield in diagnosing cancer, but also the procedures ability to diagnose specific cancer mutations and immune system markings.

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.

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
4
Inclusion Criteria
  • Age 18 years or older patients with single previous thoracentesis of a unilateral pleural exudate according to Lights criteria without malignant cells.
  • 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
  • bilateral pleural effusions
  • 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

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Incidence of treatment-guiding pleural workup to provide and plan treatment for the cause of the pleura exudate, local anesthetic thoracoscopy vs 2. thoracentesis26 weeks

Difference in incidence of treatment-guiding diagnostic workup in local anesthetic thoracoscopy versus 2nd thoracentesis

Incidence of treatment-guiding pleural workup to provide and plan treatment for the cause of the pleura exudate. Local anesthetic thoracoscopy vs US-guided pleural biopsy.26 weeks

Difference in incidence of treatment-guiding diagnostic workup in local anesthetic thoracoscopy versus US-guided pleural biopsy prior to 2nd thoracentesis

Secondary Outcome Measures
NameTimeMethod
Incidence of achieving pleural immunohistochemistry, mutations, oncodrivers, culture and biochemistry.26 weeks
Incidence of completed procedures1 week
Time from procedure start to patient leaving the procedure room and leaving the recovery roomDay of procedure/intervention
Adverse event; complication to procedure: pneumothorax30 days.

Evaluated on day of procedure, 7 days and 30 days. The 2 last are performed via telephone call to the patient and informations gathering in the electronic patient file system

Patient reported discomfort reported via EQ-5D-5LDay of procedure pre- and post-proceudre and 1 week followup

Denmark (Danish) © 2009 EuroQol Group EQ-5D™

CoughPre-procedure, 1 week post procedure.

Visual analogue scale 1-10. 1 Being no cough, 10 being extreme cough

Adverse event; complication to procedure: haemoptysis30 days.

Evaluated on day of procedure, 7 days and 30 days. The 2 last are performed via telephone call to the patient and informations gathering in the electronic patient file system

Patient reported discomfort reported via ESASDay of procedure pre- and post-procedure and 1 week followup

ESAS - Edmonton Symptom Assesment System, Danish Version 2008

Time from randomization to conclusive, treatment-guiding diagnoses26 weeks
Time from start of consultation with medical staff until end of consultation with medical staff on the day of the procedureDay of procedure/intervention
Adverse event; complication to procedure: mortality30 days.

Evaluated on day of procedure, 7 days and 30 days. The 2 last are performed via telephone call to the patient and informations gathering in the electronic patient file system

Adverse event; complication to procedure: infection30 days.

Evaluated on day of procedure, 7 days and 30 days. The 2 last are performed via telephone call to the patient and informations gathering in the electronic patient file system

Adverse event; complication to procedure: hospital admission30 days.

Evaluated on day of procedure, 7 days and 30 days. The 2 last are performed via telephone call to the patient and informations gathering in the electronic patient file system

Total volume of pleural fluid removedDay of procedure

In mililiter (ml)

Willingness to repeat procedureAfter procedure performed - within 30 minutes and 1 week after proceudre

5 Point Likert Scale, 1 not likely to repeat, 5 most likely to repeat

Trial Locations

Locations (2)

Næstved Hospital

🇩🇰

Næstved, Denmark

University Hospital Zealand, Roskilde

🇩🇰

Roskilde, Denmark

Næstved Hospital
🇩🇰Næstved, Denmark

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