AMPLE-3: IPC Plus Talc vs VATS in Management of Malignant Pleural Effusion (AMPLE-3)

  • STATUS
    Recruiting
  • End date
    May 29, 2023
  • participants needed
    160
  • sponsor
    The University of Western Australia
Updated on 2 March 2022
drainage
cancer
chest x-ray
treatment regimen
cavity
primary cancer
indwelling catheter
pleurodesis
pleural fluid analysis
malignant pleural effusion

Summary

The purpose of this study is to determine if an indwelling catheter is more effective than surgical pleurodosis in treating malignant pleural effusion.

Who is it for?

You may be eligible for this study if you are an adult who is suffering from symptomatic proven pleural malignancy or an otherwise unexplained pleural effusion.

Study details

Consenting participants will be randomised to one of two treatment arms:

  • Arm 1: Indwelling pleural catheter. A long term catheter is inserted under the skin in order to allow ongoing drainage of the pleural fluid. Participants will then be instructed to undergo a daily drainage regimen for 14 days at home.
  • Arm 2: Surgical pleurodesis. Participants under a key-hole surgery to remove fluid and facilitate lung re-expansion.

Participants will then be followed up at discharge, 14 days, monthly for 6 months and then every 3 months up to one year post-procedure. These visits will include completion of Quality of Life questionnaires, a chest xray, an ultrasound (if thought necessary) and if you are at the lead site (Sir Charles Gairdner Hospital) a review of your Actigraphy logs up to 6 months after discharge.

It is hoped this research will help to provide effective symptom control with minimal intervention for those with malignant pleural effusion.

Description

Participants will be randomly assigned (1:1) to one of two arms:

Arm 1: Indwelling pleural catheter (with talc pleurodesis if suitable) Arm 2: Pleurodesis via Video-assisted thoracoscopic surgery

Arm 1: Indwelling pleural catheter is a long-term catheter that is tunnelled under the skin and allows ongoing drainage of pleural fluid by the patient or carer at home. It is inserted using local anaesthetic with or without sedation depending on local practice. An experienced respiratory physician inserts the catheter. Once the catheter is inserted, the pleural fluid will be evacuated as completely as possible. If the lung fully re-expands and there is no contraindication to talc pleurodesis, 4-5g of sterile graded talc will be instilled via the IPC. The participant will then be discharged on a daily drainage regimen for 14 days. The drainage will either be performed by the participant's carer or nurses in the community. A bottle or bag will be attached to the drain to allow for removal of accumulated pleural fluid. Once completed the drain will be reattached to the pleural catheter. At review in clinic on day 14 (+/- 2 days), the participant will be assessed for spontaneous pleurodesis (<50ml drainage on 3 consecutive drainage attempts). If pleurodesis has occurred and there is no residual symptomatic effusion, arrangements will be made for IPC removal. Otherwise the participant will switch to a symptom-guided drainage regimen. If the lung does not fully re-expand following complete fluid evacuation, they will be discharged on a symptom-guided regimen without instillation of talc. The drainage regimen will continue for the duration of the study and beyond if pleurodesis has not occurred and pleural fluid continues to accumulate. All participants will remain under the care of their study doctors who are also their usual physicians, after the end of the study.

Arm 2: Video-assisted thoracoscopic surgery is a type of key-hole surgery performed under general anaesthetic and usually single lung ventilation by a cardio-thoracic surgeon. This is expected to take about 1 hour. Between one and three ports are used to insert a camera and instruments into the chest cavity. Adhesions can be broken down if present and the lining of the lung (visceral pleura) can sometimes be removed (decortication) to facilitate lung re-expansion. The surgeon can then perform either mechanical abrasion or talc poudrage to induce inflammation and subsequent pleurodesis. A chest drain is left in situ post-operatively and is removed when the fluid draining is below a certain volume depending on local practice.

Participants in both arms will be reviewed at the same time points - at discharge, 14 days post-procedure, monthly to 6 months, then 3-monthly to 1 year. The reviews will include quality of life and breathlessness questionnaires.

All data will be obtained by the designated study research team who will carry out the IPC insertions and where VATs pleurodesis is undertaken, the research team will liaise directly with the study surgeon.

Details
Condition Malignant Pleural Effusion, Respiratory Disease, Cancer
Treatment Pleurodesis via Video-assisted thoracoscopic surgery, Indwelling pleural catheter (with talc pleurodesis if suitable)
Clinical Study IdentifierNCT04322136
SponsorThe University of Western Australia
Last Modified on2 March 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Patients with a symptomatic MPE
Predicted survival of more than 6 months
Eastern Cooperative Oncology Group (ECOG) score = Peformance status defined as a patient's level of functioning in terms of their ability to care for themselves, daily activity, and physical ability (walking, working, etc. ECOG 0-1 (or ECOG greater than or equal to 2 if it is felt that removal of pleural fluid would improve their status to 0 or 1)
MPE is defined as histologically/cytologically proven pleural malignancy or an otherwise unexplained pleural effusion in the context of clinically proven cancer elsewhere

Exclusion Criteria

Age <18yrs
Unfit to undergo a surgical procedure (American Society of Anaesthesiologists Score >/=4); 3. Pleural infection
Chylothorax; 5. Pregnancy or lactation; 6. Uncorrectable bleeding diathesis; 7. Previous ipsilateral lobectomy/pneumonectomy; 8. Inability to consent or comply with protocol
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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