- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01411202
Effectiveness of Doxycycline for Treating Pleural Effusions Related to Cancer in an Outpatient Population (OPUS)
Outpatient Pleurodesis Using Sclerosants(OPUS):Comparing Doxycycline Pleurodesis to Continued Drainage With the Pleurx Catheter System in the Treatment of Malignant Pleural Effusions in the Outpatient Setting
Patients with cancer may experience problems with their breathing due to a fluid accumulation around their lungs called malignant pleural effusion (MPE). This fluid can be drained but draining may not stop the fluid from accumulating again. MPE can cause shortness of breath during activity and at rest leaving patients feeling as though they cannot catch their breath enough to be comfortable. Other symptoms can include pain, cough and weight loss.
One way to stop the fluid from accumulating is to create scar tissue between the lung and chest wall so there is no more room for fluid accumulation. This procedure is called pleurodesis. Pleurodesis is the standard of care at most centres across Canada. This procedure is done by injecting a drug into the space between the lung and chest wall through a catheter, Doxycycline is one of the drugs currently used for this purpose. Traditionally, patients are admitted for pleurodesis, mostly because the size of the catheter used to inject the medication is very large but also because of the potential complications that can happen with these larger chest tubes.
At our centre, most patients with MPE are managed at home with a smaller sized catheter known as a Pleurx catheter. The Pleurx catheter allows patients to remain at home for treatment and trained staff come into the home to both drain the MPE and monitor the patient. Sometimes, patients experience pleurodesis through use of the Pleurx catheter alone.
Pleurodesis with doxycycline can happen faster than with the Pleurx catheter alone. It has been our experience with a limited number of patients that it is safe to perform pleurodesis using the Pleurx catheter for doxycycline injection in an outpatient setting.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Malignant pleural effusions (MPE) occur in 25 - 50% of malignancies, represent advanced disease and carry with it significant morbidity. It is estimated that 75% of malignant effusions are symptomatic at the time of presentation, with dyspnea being the most common complaint. Cough, weight loss and chest pain may also be presenting symptoms. The diagnosis of MPE often carries with it a poor prognosis with an average survival of 3-9 months. Thus, management of MPE is generally palliative, aimed at alleviating the associated symptoms, while incurring minimal discomfort and disruption of patients activities of daily living. Limiting the number of days spent hospitalized ia also a consideration. Currently, the most common treatment for MPE involves tube thoracostomy and pleurodesis using a sclerosing agent. Use of Doxycycline as a sclerosing agent has been shown to be both safe and efficacious with only minor complications. Traditionally, pleurodesis with Doxycycline has been performed in the inpatient setting.
The Pleurx catheter (Cardinal Biomedical) is the only small bore catheter commercially available that has been specifically designed for long term indwelling drainage of MPE. In order to reduce the chance of dislodgement and minimize infection rates, it is tunnelled under the skin for approximately 5 cm before entering the pleural space. These indwelling catheters can provide excellent symptom control and have also been associated with spontaneous pleurodesis rates comparable to many chemical pleurodesis rates.
Pleurx has been compared to inpatient doxycycline pleurodesis via chest tube with no difference in survival, safety or efficacy noted. However, hospital stay was significantly shorter in the Pleurx group, 1 day versus 6.5 days.
The aim of this study is to determine the effectiveness of outpatient pleurodesis, using doxycycline administered via Pleurx catheter. This will be a randomized clinical trial comparing the time to pleurodesis in patients with malignant pleural effusion receiving doxycycline + Pleurx catheter versus Pleurx catheter alone.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Rosalie Labelle, MSc
- Phone Number: 75256 613-737-8899
- Email: rolabelle@toh.on.ca
Study Locations
-
-
Ontario
-
Ottawa, Ontario, Canada, K1H 8L6
- Recruiting
- Ottawa Hospital
-
Principal Investigator:
- Kayvan Amjadi, MD
-
Ottawa, Ontario, Canada, K1H8L6
- Recruiting
- The Ottawa Hospital
-
Principal Investigator:
- K. Amjadi, MD, FRCPC
-
Sub-Investigator:
- N. Voduc, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Presence of symptomatic and moderate sized (>1/3 of hemithorax) MPE
- Persistent malignant pleural effusion that is free-flowing
- Symptomatic improvement after therapeutic thoracentesis
- Life expectancy of at least three months (duration of study follow-up)
- 90% radiographic apposition of parietal and visceral pleura
- Residence within 30 minute radius from The Ottawa Hospital
Exclusion Criteria:
- Previous lobectomy or pneumonectomy on affected side
- Multiple loculations
- Trapped or entrapped lung
- Untreated pleural infection
- Abnormal coagulation profile (INR>1.5 and / or platelet count <50 x 10*9/L)
- Planned intrapleural chemotherapy (however participants may receive concomitant systemic chemotherapy, mediastinal radiation therapy or steroids)
- Life expectancy less than 3 months
- Multiple co-morbidities limiting out-patient management of pleural effusion
- Tetracycline / Doxycycline allergy
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Doxycycline
Pleurx insertion with injection of 500mg of doxycycline in 50cc of normal saline.
|
One time injection 500mg of powdered doxycycline reconstituted with 50cc of normal saline via Pleurx catheter
|
Placebo Comparator: Normal Saline
Pleurx insertion with placebo injection of 50cc of normal saline
|
One time injection of normal saline (placebo) into Pleurx catheter
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Time to pleurodesis
Time Frame: up to 90 days post PleurX insertion
|
measured in days after Pleurx catheter insertion up to 90 days
|
up to 90 days post PleurX insertion
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pleurodesis rates at 90 days post Pleurx insertion
Time Frame: 90 days post Pleurx insertion
|
defined by the BTS guidelines, where complete pleurodesis is defined as lack of fluid re-accumulation, allowing for removal of the pleural catheter.
Failed pleurodesis is defined as re-accumulation of fluid and symptoms requiring repeated pleural procedures
|
90 days post Pleurx insertion
|
Number of participants with adverse events
Time Frame: 90 days post Pleurx insertion
|
Most common complications include: pleural infection / cellulitis, pain, catheter obstruction and symptomatic loculated effusion.
Other adverse events will also be collected.
|
90 days post Pleurx insertion
|
Effects on pulmonary function
Time Frame: 90 days post Pleurx insertion
|
Pulmonary Function testing will be performed prior to and post PleurX catheter insertion and prior to each follow up visit
|
90 days post Pleurx insertion
|
Collaborators and Investigators
Investigators
- Principal Investigator: K. Amjadi, MD, FRCPC, Ottawa Hospital
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2008362-01H
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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