Human Factors Considerations in Inhaler Innovation...An HF perspective on choice of primary...
Transcript of Human Factors Considerations in Inhaler Innovation...An HF perspective on choice of primary...
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Human Factors Considerations in Inhaler Innovation
Julian Dixon
Director of Human Factors, Team Consulting
DDL 2016
07 December 2016
© Team Consulting Ltd. 2016
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Terminology
HF: human factors – the fieldergonomics – another name for a similar field
HFE: human factors engineering – the activityusability engineering – another name for the same activity
IFU: instructions for use
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Just for todayI’m going to try to not mention regulatory agencies,
their expectationsor their issued guidance
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How can ahuman factors (HF) perspective
contribute to inhaler innovation?
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Disclaimer
I do not wish to claim that HF hasexclusive ownership of any topic.
HFE in inhaler developmentworks at the interfaceof many disciplines.
One perspective amongst many.
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Behaviour Change Interventions
Technique TrainingDrug Delivery System
Innovating to support the inhaler user …
… by designing easy to use inhalers.
… by supporting competence.
… by supporting disease management.
support adherence to dosing regimen
enable and support disease management
support competencereduce cognitive & emotionaldemands on users
reduce physicaldemands on users
reduce use-related risk
improve fit with lifestyle
formulationsprimary packaging
devices
remindersself monitoring tools
educational interventionsgamification
instructional materialstraining devices
competence monitoring tools
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Drug Delivery System
Innovating to support the inhaler user …
… by designing easy to use inhalers.
formulationsprimary packaging
devices
Boehringer IngelheimRespimat
(low velocity aerosol)
AptarProhaler
(open, breathe, close)
GSKDiskus
(open, load, inhale, close)
Teva/MicroDoseElectronic DPI
(active aerosolisation)
Boehringer IngelheimHandihaler
(step change in design)
Alviol(active primary pack)
3MICI
(flow regulator)
pMDI dose counters
GSKHaleraid
(assistive tech)
ElpenElpenhaler(blister DPI)
EasiBreathe(BA pMDI)
Variousporous particles
AZTurbuhaler
(high dose density DPI)
DirectHaler(single dose DPI)
RespiricsMD Turbo
(smart pMDI)
reduce cognitive & emotionaldemands on users
reduce physicaldemands on users
reduce use-related risk
improve fit with lifestyle
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Technique Training
Innovating to support the inhaler user …
… by supporting competence.
support competence
instructional materialstraining devices
competence monitoring tools
3MICI
(on-board technique training)
(technique logging and app support)
NobleTrainer
(electronic trainer)
TrainhalerTrainer with Flo-Tone(mechanical trainer)
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Behaviour Change Interventions
Innovating to support the inhaler user …
… by supporting disease management.
support adherence
enable and support disease management
remindersself monitoring tools
educational interventionsgamification
ClickhealthPacky and Marlon
(educational video game)
3MICI
(adherencemonitoring)
VariousSMS interventions
VariousApps
Propeller, Adherium, Gecko, Cohero, etc.Inhaler Usage Monitors
Funhaler(fun spacer)
CoheroConnected Spacer
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A lot of great innovationin the inhaler field
preceded any focused engagement with HFE
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What is human factors (HF)?
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“Ergonomics (or human factors) is the scientific disciplineconcerned with the understanding of interactions among
humans and other elements of a system”
International Ergonomics Association
http://www.iea.cc/ergonomics/https://www.hfes.org/Web/EducationalResources/HFEdefinitionsmain.html
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“HF is a marriage of psychology and engineering: the application of a scientific body of knowledge about human
strengths and weaknesses to the design of technology.”
Human Factors MD Inc.
http://www.humanfactorsmd.com/
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Understanding theinteraction between humans and technology
Understanding both the human and the engineering
Understanding user interfaces
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What characterises the HF perspective?
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16© Team Consulting Ltd. 2016
Warning!Due to
a shortage of robots, some of our staff are human
and therefore react unpredictably
when abusedor under pressure.
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17© Team Consulting Ltd. 2016
Warning!Due to
a shortage of robots,our users are human
and will makepredictable errors
and not always behaveperfectly rationally.
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in vitro
in praxiin vivo
human biology
in ferasin rerusin realityhuman behaviour
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engaging with what is really going to happenwhen our users use the inhalers we develop
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focused on the usability of user interfaces
focused primarily on how the user administers doses
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The HF Perspective?
evidence-basedinclusion of the human factor
in inhaler development
concerned with real world performance:technical and therapeutic
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The HF Perspective?
evidence-based, scientificHF methods
focus on real world performanceHF objectives: different trade offs
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HF objectives: different trade offs
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25© Team Consulting Ltd. 2016
• Boy: “Stick it in your mouth and push down. Right?”
• Nurse: “Well, then the medicine would end up in your mouth and not in your lungs.”
“It needs to go to your lungs.”
“It’s very important to breathe in and squeeze your inhaler at the same time, so that
it gets all the way into your body.”
An HF perspective on inhaler instructions for use (IFUs)
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26© Team Consulting Ltd. 2016
An HF perspective on choice of primary packaging
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HF methods
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HF methods
analyticale.g. task analysis, state space analysis, PCA analysis
empiricale.g. simulated-use studies, HF challenge on the bench
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“democracyis the worst form of governmentexcept for all those other forms
that have been tried from time to time …”
Winston Churchill
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a small-scale, qualitative, simulated-use, observational study
is the worst research method we have, except for all those others that have been
tried from time to time.…
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An InhalerPrototype or Model
Participant
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An Inhaler
Participant
A Task
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ModeratorOne-way observation
mirror
Participant
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formative workshould beformative
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How can ahuman factors (HF) perspective
contribute to inhaler innovation?
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Yes, HF will contribute as one perspectiveilluminating the
potential promise of inhaler innovations
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But, HF contributes primarilyby providing a mindset and a toolkit
that supports delivery of the promise
of that innovation
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HFE will help the development of inhalers meant for humans.
Not least, by testing during development.
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Acknowledgements
My colleagues at Team, in particular:
• HFE: Claire Young, Martin Bontoft, Rob Fernall, Diane Aston-James
• ID: Alex Driver
• Engineering: Stuart Abercrombie