Evaluating Safety and Efficacy of Umbulizer in Patients Requiring Intermittent Positive Pressure Ventilation

Umbulizer

Status: Completed

Conditions: Respiratory Failure; Respiratory Arrest; Respiratory Insufficiency

Treatments: Device: Umbulizer; Device: Traditional Mechanical Ventilator

Study type: Interventional

Funder types: Industry

Identifiers

NCT04030208

1

Details and patient eligibility

About

Randomized, control crossover study comparing Umbulizer's efficacy to traditional mechanical ventilators

Full description

Mechanical ventilators cost tens of thousands of dollars, rendering them difficult for low and middle income countries to procure. Given chronic shortages of these devices in places like Pakistan, patients are often ventilated manually with Ambu Bags for hours or days. This method is not suitable for long term ventilation and is extremely life threatening.

Umbulizer seeks to reduce preventable deaths due to ventilator scarcity by providing a reliable alternative. The device is accurate, low-cost, and portable, and is an ideal solution for treating patients with respiratory diseases in low-resource settings. The primary objective of this study is to test efficacy and determine non-inferiority of this device in comparison to ventilation provided by traditional ventilators. Secondary objectives of this study include:

1. Testing safety of the device for use over a predetermined period of time
2. Evaluating patient comfort during ventilation with this device
3. Assessing ease of use of this device for doctors and medical staff

Enrollment: 24 patients

Sex: All

Ages: 18 to 85 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. Patients needing mechanical ventilation

Exclusion criteria

1. Patients with significant airway resistance (i.e. severe chronic obstructive pulmonary disease or asthma) where clinical investigator is concerned about gas trapping or barotrauma
2. Patients with very low lung compliance (i.e. severe acute respiratory distress syndrome or restrictive disease) where clinical investigator is concerned about problems delivering sufficient tidal volume or end expiratory pressure
3. Patients who experienced a myocardial infarction within the last 6 weeks
4. Patients who are determined by a clinical investigator to be too hemodynamically unstable to be enrolled

Trial design

Primary purpose: Supportive Care

Allocation: Randomized

Interventional model: Crossover Assignment

Masking: Single Blind

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24 participants in 2 patient groups

Sequence A

Other group

Description:

If patient is randomly assigned to Sequence A, they will be placed on a traditional ventilator for the first period. This period will be 1 hour in duration. Delivered tidal volume, respiratory rate (RR), and peak pressure will be recorded throughout the period using the ventilator. Heart rate (HR), Blood Pressure (BP), and oxygen (O2) saturation measurements will be recorded every 5 minutes. Arterial blood gas (ABG) data will be taken at t = 1 hour if the patient is stable on the traditional ventilator. ABGs may be taken more frequently if the patient is destabilizing. Next, the study participant will be transitioned to the Umbulizer to begin Period 2. This period will also be 1 hour in duration. Delivered tidal volume, RR, and peak pressure will be recorded throughout the period using Umbulizer. HR, BP, O2 saturation measurements will be taken every 5 minutes. ABG data will be taken at t = 30 minutes and 1 hour.

Treatment:

Device: Traditional Mechanical Ventilator

Device: Umbulizer

Sequence B

Other group

Description:

If patient is randomly assigned to Sequence B, they will be shifted to the Umbulizer for the first period. This period will be 1 hour in duration. Delivered tidal volume, RR, and peak pressure will be recorded throughout the period using Umbulizer. HR, BP, O2 saturation measurements will be recorded every 5 minutes. ABG data will be taken at t = 30 minutes and 1 hour. Next, the study participant will be transitioned to a traditional ventilator to begin Period 2. This period will also be 1 hour in duration. Delivered tidal volume, RR, and peak pressure will be recorded throughout the period using the ventilator. HR, BP, O2 saturation measurements will be recorded every 5 minutes. ABG data will be taken at t = 1 hour if the patient is stable on the traditional ventilator. ABGs may be taken more frequently if the patient is destabilizing.

Treatment:

Device: Traditional Mechanical Ventilator

Device: Umbulizer