Detecting Errors In Using Metered Dose Inhalers (MDI) Among Asthma And Chronic Obstructive Pulmonary Disease (COPD) Patients

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

23 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-02-28

Study Completion Date

2019-07-31

Brief Summary

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Metered Dose Inhaler (MDI) and Dry Powdered Inhaler (DPI) are the two most common devices used to deliver medicine in conditions such as asthma and chronic obstructive pulmonary disease. It is well-known that most patients do not use correct technique when using a metered dose inhaler. This leads to poor control of their disease. This study is being done so the investigators can record the patient using the metered dose inhaler before and after a short teaching session. This information will be fed into an invitro system (device) to allow the researchers to study the effect of error on drug delivery. The device being used is the Rice R3 electronic flowmeter.

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Detailed Description

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Metered Dose Inhaler (MDI) and Dry Powdered Inhaler (DPI) are the two most common platforms to deliver medicine for patients suffering from Asthma and chronic obstructive pulmonary disease, and are used for dispensing both controller and rescue medications. Despite well-known methods to manage Asthma and COPD, nearly 70-90% of the patients do not display correct technique in using an inhaler. Poor management and control of the disease due to inadequate inhaler usage has resulted in rising rates of hospitalizations, making chronic respiratory diseases among the top five causes of death worldwide. Through this study we aim to record the technique of MDI usage among Asthma and COPD patient and understand the errors in their technique. The various parameters of inhaler usage where patients can make an error are 1. Tidal volume, 2. inspiration flow rate, 3. Inspiration flow volume, 4. Timing of actuation of inhaler and 5. Breath-holding. The parameters will be recorded by the Cognita R3 electronic flowmeter for each patient and the errors in each MDI usage will be noted. Using ex-vivo modelling, the patient's MDI technique recorded will be used to study the impact of errors in technique on efficiency of MDI drug delivery.

Conditions

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Asthma Chronic Obstructive Pulmonary Disease

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

NONE

Study Groups

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MDI use Evaluation

All subjects took 2 or more puffs of the placebo metered dose inhaler (MDI), attaching the Cognita electronic flowmeter to show measurements during the MDI use.

The inhaler technique is also evaluated by study staff prior to an education demonstration.

Group Type OTHER

Education on Use of MDI

Intervention Type OTHER

After the subject demonstrated the use of MDI with the electronic flowmeter in place, the intervention was provided- a short verbal education to demonstrate the correct use of MDI.

Interventions

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Education on Use of MDI

After the subject demonstrated the use of MDI with the electronic flowmeter in place, the intervention was provided- a short verbal education to demonstrate the correct use of MDI.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Patients with a physician diagnosis of asthma or COPD taking inhaled medications using MDI
* Age \>18 years
* Able to read and sign consent document