Evaluating the Clinical Effectiveness of 3D Printing for a Patient-specific Silicone Stent Airway Implant
| Status: | Withdrawn |
|---|---|
| Conditions: | Chronic Obstructive Pulmonary Disease, Chronic Obstructive Pulmonary Disease, Pulmonary |
| Therapuetic Areas: | Pulmonary / Respiratory Diseases |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 4/17/2018 |
| Start Date: | October 1, 2017 |
| End Date: | March 31, 2019 |
Small Feasibility Study for Evaluating the Clinical Effectiveness of 3D Printing for a Patient-specific Silicone Stent Airway Implant
The goal of the small feasibility trial is to establish a method, material, and
patient-specific design that is superior to what is in use today. The first round of patients
are well known to the physician investigator and are familiar with the problem that is being
resolved. The end goal of the project is to create a new patient-specific design that will
last longer, fit better, and cause less trauma to the airway and the patient.
patient-specific design that is superior to what is in use today. The first round of patients
are well known to the physician investigator and are familiar with the problem that is being
resolved. The end goal of the project is to create a new patient-specific design that will
last longer, fit better, and cause less trauma to the airway and the patient.
Subjects will be selected from physician investigator's clinical practice where patients have
had failure of current stenting procedures to achieve an adequate clinical outcome. A routine
CT scan of the chest is required on all individuals going through the procedure for stent
placement (rigid bronchoscopy). The physician investigator will use this CT scan to measure
and build a patient-specific stent or modify existing stents to fit the specific need.
had failure of current stenting procedures to achieve an adequate clinical outcome. A routine
CT scan of the chest is required on all individuals going through the procedure for stent
placement (rigid bronchoscopy). The physician investigator will use this CT scan to measure
and build a patient-specific stent or modify existing stents to fit the specific need.
Inclusion Criteria:
1. Understand and voluntarily sign an informed consent form.
2. Patients must be at least 18 years of age
3. Patients must be able to undergo routine non-contrast CT scans of the chest
4. Patient must be stable for general anesthesia and have an airway amenable to rigid
bronchoscopy and stent implantation.
5. The patients must have at least an expected 6 month survival.
6. Patient must be able to maintain standard of care follow-up schedule and have access
to standard of care medications and nebulizer machines and/or suction and oxygen as
required for primary disease management.
7. Patient must be able to personally provide consent and be able to describe Dyspnea and
QOL and other patient-reported outcomes (PROs) required by study design
8. Patient must require a stent that is within the design envelope of the
patient-specific stents, as defined by COS
Exclusion Criteria:
1. Patients may be excluded if the disease can be managed by simply removing prior stents
or performing more conservative therapies.
2. Chronic anticoagulant therapy that could limit the safety of performing rigid
therapeutic bronchoscopy in a timely manner. (I.e. Plavix within one year of drug
eluding cardiac stent (DES)or 6 weeks following bare metal coronary stent)
3. Unstable cardiac disease
4. Allergy to silicone
5. Stenting to manage vascular compression syndromes.
6. Multi-drug resistant bacterial or fungal chronic infections
7. Emergent/urgent clinically indicated stent.
8. Chronic/permanent mechanical ventilation.
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