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MesoTRAP: A Study Comparing Video-assisted Thoracoscopic Partial Pleurectomy/Decortication With Indwelling Pleural Catheter in Patients With Trapped Lung Due to Malignant Pleural Mesothelioma.

Brief Summary

Malignant pleural mesothelioma is a cancer, caused by asbestos, which currently affects 2500 people in the UK each year. The main symptom is breathlessness caused by fluid building up in the space between the lung and the chest wall (pleural effusion). Treatment involves draining the fluid to allow the lung to re-expand (pleurodesis). However, sometimes tumour growth over the surface of the lung can prevent it from re-expanding. This 'trapped' lung results in fluid re-accumulation and repeated drainage which can lead to discomfort and multiple hospital visits.

One approach to dealing with 'trapped' lung in mesothelioma is to insert a thin tube (Indwelling Pleural Catheter - IPC) into the space around the lung. The tube can stay in place for a long time allowing patients to drain off fluid at home.

Another approach is a keyhole surgical operation (video-assisted thoracoscopic partial pleurectomy/decortication - VAT-PD) to remove as much tumour as possible from the lining of the lung to allow it to re-expand.

While both approaches are currently offered in clinical practice, it is not known which of the two is most effective at relieving breathlessness. The only way to find out is to conduct a research trial comparing the two. The Investigators plan to do this, but first of all need to carry out a small pilot study to collect information necessary to help plan the full study.

Tracking Information
First Received DateNovember 29, 2017
Last Changed DateJanuary 25, 2018
Start DateAugust 10, 2017
Anticipated Primary Completion DateDecember 1, 2018
Primary Outcome Measures

To measure the standard deviation of Visual Analogue Scale scores for breathlessness [Time Frame: Daily from randomisation to 12 months]

Secondary Outcome Measures

To measure the standard deviation of Visual Analogue Scale scores for chest pain [Time Frame: Daily from randomisation to 12 months]

Quality of Life measured using the EQ-5D-5L [Time Frame: Baseline, intervention, 6 weeks, 3, 6 and 12 months post randomisation]

Quality of Life measured using the EORTC QLQC30 [Time Frame: Baseline, intervention, 6 weeks, 3, 6 and 12 months post randomisation]

Survival at 30 days and 12 months post randomisation [Time Frame: 30 days and 12 months post randomisation]

Adverse events [Time Frame: From randomisation to the end of study follow-up (expected to be 12 months)]

The prevalence of trapped lung in patients with MPM [Time Frame: From beginning to end of recruitment period (18 months)]

Percentage of eligible patients in participating centres [Time Frame: From beginning to end of recruitment period (18 months)]

Recruitment rate [Time Frame: From beginning to end of recruitment period (18 months)]

To assess completion of resource use data during follow-up using patients' routine data [Time Frame: Baseline, intervention, 6 weeks, 3, 6 and 12 months post randomisation]

Descriptive Information
PhaseN/A
Study TypeInterventional
Condition
  • Malignant Pleural Mesothelioma
  • Trapped Lung
Intervention
  • Procedure: pleurectomy/decortication
  • Procedure: indwelling pleural catheter
Study Arms / Comparison Groups2 / 0
Detailed Description

This is a multi-centre, open-label, randomised controlled pilot clinical trial and feasibility study comparing video-assisted thoracoscopic partial pleurectomy/decortication (VAT-PD) with indwelling pleural catheter (IPC) in patients with trapped lung (TL) and pleural effusion due to malignant pleural mesothelioma (MPM), aimed at addressing recruitment and randomisation uncertainties as well as sample size requirements for a full phase III study. 38 patients will be randomised and allocated in a 1:1 ratio to either VAT-PD or IPC.

The study will be undertaken at mesothelioma surgical centres with expertise in either IPC, VAT-PD or both procedures, together with their linked non-surgical referral hospitals (hub and spoke). Patients meeting all eligibility criteria will be informed about the study, provided with a patient information sheet and given at least 24 hours to consider participation.

Following consent, patients will be randomised, baseline measurements will be taken and a procedure date will be arranged. Following the procedure follow-up visits at 6 weeks, 3, 6 and 12 months post-randomisation are planned to coincide with clinical care visits.

Recruitment Information
Recruitment StatusRecruiting
Anticipated Enrollment38
GenderAll
Ages18 Years - N/A
Accepts Healthy VolunteersNo
Contact Carol Freeman
Email: carolfreeman@nhs.net
Phone: 0044 1480 366321
Eligibility Criteria

Inclusion Criteria:

1. Confirmed MPM

2. Trapped lung, defined as a 'clinically significant trapped lung requiring intervention in the opinion of the clinical team"

3. Pleural effusion present (following re-accumulation)

4. Considered by the clinical team to be suitable and fit enough to undergo VAT-PD

5. Community services or patient/carer able to drain IPC at least twice weekly

6. Considered by the clinical team to be equally suitable for treatment with VAT-PD or IPC, and therefore eligible for treatment allocation by randomisation.

7. Patient willing to receive either VAT-PD or IPC and attend the respective designated centre for their treatment

8. Expected survival of at least 4 months, as assessed by managing clinician

9. Age ≥ 18 years

10. Able to provide informed consent

Exclusion Criteria:

1. Lung re-expands fully following pleural fluid drainage i.e. no entrapment

2. Previous attempt at pleurodesis on ipsilateral side

3. Evidence of active pleural infection

4. IPC in situ for more than 28 days

5. Current participation in an RCT or CTIMP

6. Females: pregnant or lactating

Administrative Information
NCTIDNCT03412357
Responsible PartySponsor
SponsorPapworth Hospital NHS Foundation Trust
Verification DateJanuary 2018
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