NCT02207166

Brief Summary

Medical devices are designed and manufactured by subjective design process that was only based on engineers' direct concepts to essential principles sets for the device. A home user may not easily use or operate the piece of medical device through the interfacing components as the designer's expected such as the meaning when pushing a button or switching a knob, even the required procedure needed when a certain display shown to fulfill some knowledge dependent judgment. In addition, the incompatible interfacing designed communication between a user and the device may cause possible errors that may trigger further negative consequences during the use of the device to a innocent home user. The aim of this research is to closely understand the consequent results of human factor engineering or usability engineering practices of various types or models of marketed home-use blood pressure monitors (BPM) in real use.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
22

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Aug 2014

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 27, 2014

Completed
5 days until next milestone

Study Start

First participant enrolled

August 1, 2014

Completed
3 days until next milestone

First Posted

Study publicly available on registry

August 4, 2014

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2015

Completed
Last Updated

March 19, 2015

Status Verified

March 1, 2015

Enrollment Period

6 months

First QC Date

July 27, 2014

Last Update Submit

March 17, 2015

Conditions

Keywords

hypertensiondeviceerrorshuman factor engineeringusability engineering

Outcome Measures

Primary Outcomes (1)

  • Total steps of incorrect operations

    Possible errors may cause negative outcomes to a home-user when he/she uses the BPM. The principal concept of "usability" is that a good usability designed BPM is easy to operate it as the device designer expected a home-user to perform in real use.

    During the 40-60 mins osbervation period

Study Arms (1)

user group

volunteers who are willing to receive 40 minutes video monitoring and questionnaires while operation a electronic blood pressure measuring machines.

Eligibility Criteria

Age20 Years - 75 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Adults who are able to operate general healthcare devices (eg thermometer, electronic blood pressure measures)

You may qualify if:

  • age between 20-75 years
  • capable of operating the blood pressure measure machine provided by the study
  • willing to operate the provided device and accept video taping from shoulder and below
  • willing to fill the study questionnaire and to provide feedback after use of the device

You may not qualify if:

  • vulnerable population (including pregnant woman, disabled, etc)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National Taiwan University Hospital

Taipei, Taiwan, 100, Taiwan

Location

MeSH Terms

Conditions

Hypertension

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular Diseases

Study Officials

  • Ding-Cheng Chan, MD, PhD

    National Taiwan University Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 27, 2014

First Posted

August 4, 2014

Study Start

August 1, 2014

Primary Completion

February 1, 2015

Study Completion

February 1, 2015

Last Updated

March 19, 2015

Record last verified: 2015-03

Locations