- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03903315
Central Malignant Airway Obstructions: Medical Treatment Alone Versus Endoscopic and Medical Treatmen (EVERMORE)
Central Malignant Airway Obstructions: Medical Treatment Alone Versus Endoscopic and Medical Treatment. A Multicentric Retrospective Study
The obstruction of the central airways (CAO) may be caused by a large variety of malignant and non malignant processes, and it may present with a variety of symptoms ranging from mild shortness of breath to life-threatening respiratory failure.
The epidemiologic impact of lung cancer leads to an increasing number of patients developing complications of proximal endobronchial disease. An estimated 20-30% of patients with lung cancer will develop complications associated with airway obstruction, e.g. dyspnea, pneumonia and atelectasis, and up to 40% of lung cancer deaths may be attributed to locoregional disease.
Although lung cancer patients with CAO are not candidates for surgical resection, more than 80% of these patients can receive palliative treatment using interventional bronchoscopy; in addiction, almost the 85% of these procedures reach luminal clearance and endoscopic success in terms of symptomatic relief, of pulmonary function and quality of life.
There are no definitive data about factors such as type of disease or site of the lesion which may affect the use of a single or a combined endoscopic modality or stenting in the treatment of airway obstructions. A Dalar's retrospective study showed that airway stenting is a useful treatment modality besides the other interventional bronchoscopic procedures: it not only provides rapid relief of symptoms and an improved quality of life, but also gives additional time for adjuvant chemo-radiotherapy that might provide prolonged survival.
Since Dumon introduced the first dedicated endoluminal airway stent, there was a clear immediate relief of respiratory symptoms and significant quality survival in most patients (9). In a Miyazawa's study all patients with malignant central airway obstruction had significant improvements in dyspnea and also in spirometry after stenting, and the author suggested that the correct positioning of the stent at the choke point leads to maximal symptomatic benefit in these patients. The choice of different airway stents can be made based on the nature (intrinsic, extrinsic or combined) and site of the lesion: for example the Dumon stent can be preferred in lesions of trachea and right main bronchus, the Ultraflex stent on the left and stenosis beyond the main bronchi. The underlying disease, the site of lesion and treatment modality are known as independent predictors of survival. Complications related to the placement of stents include re-obstructions of the lumen by tumor, granuloma formation at the stent side, mucous plugging and migration of the stent; with the use of laser, both perforation of airway wall and fire.
Regarding laser resection for malignant airway obstruction, it is associated with improved survival rates (60% of patients alive at 7 months in one study). As these studies were not randomized trials, it is impossible to conclude that the laser therapy was responsible for the improved survival, but it is likely that laser therapy provided a rapid and safe means of relieving central airway obstruction, which is associated with a high mortality rate.
The strategy and modality of treatment for malignant central airway obstructions depends not only on the endoscopic characteristics and location of the lesions, but also on the patient's comorbidities, pulmonary function, previous treatment and life expectancy. The primary purpose of treatment with interventional bronchoscopy alone remains to improve symptom control and quality of life, not to improve the prognosis. However, the advent of molecular-targeted therapy may change the impact of interventional bronchoscopy, especially in lung cancer patients with EGFR mutations: in a Tomoyuki case report there is the first description of the use of endoscopic treatment plus molecular-targeted therapy as combination treatment, with benefits in terms of patient's general conditions and quality of life. Moreover, some researchers have reported cases of malignant lymphoma patients with central airway obstruction who were successfully treated using interventional bronchoscopy followed by systemic chemotherapy.
The aim of this study is to evaluate the differences between patients with central malignant airway obstruction treated only with medical therapy versus patients submitted to endoscopic plus medical therapy in terms of prognosis, quality of life and access to health services.
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
-
-
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Modena, Italy
- Azienda Ospedaliero Universitaria Policlinico di Modena
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- patients with malignant central airways obstruction admitted to the Bronchoscopy Unit of the University Hospital of Modena (Italy) and to the Bronchoscopy Unit of the Arcispedale Santa Maria Nuova of Reggio Emilia (Italy)
Exclusion Criteria:
- metastatic disease
- small cell lung cancer
- pregnancy
- low performance status at the time of diagnosis
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
medical treatment alone
Patients with central malignant airway obstructions undergoing medical treatment alone
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Comparison between patients with Patients with central malignant airway obstructions undergoing medical treatment alone versus medical and endoscopic treatment with reference to mortality and complications.
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endoscopic + medical treatment
Patients with central malignant airway obstructions undergoing medical and endoscopic treatment
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Comparison between patients with Patients with central malignant airway obstructions undergoing medical treatment alone versus medical and endoscopic treatment with reference to mortality and complications.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
1 year Survival
Time Frame: Ten years
|
Assessment of survival through medical records and reports consultation
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Ten years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Infections
Time Frame: Ten years
|
Assessment of the onset of infections through medical records and reports consultation
|
Ten years
|
Respiratory failure
Time Frame: Ten years
|
Assessment of the onset of respiratory failure through medical records and reports consultation
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Ten years
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Hospital admission
Time Frame: Ten years
|
Assessment of the occurrence of hospital admission through medical records and reports consultation
|
Ten years
|
Need for palliative care
Time Frame: Ten years
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Assessment of the need to start palliative support through medical records and reports consultation
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Ten years
|
Atelectasis
Time Frame: Ten years
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Assessment of the occurrence of atelectasis through medical records and reports consultation
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Ten years
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
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
- UModenaReggio 7
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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