- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02820103
Reducing Acute Coronary Syndrome Patient Delay (RAPiD)
Reducing Patient Delay in Acute Coronary Syndrome (RAPiD): A Web-based Randomised Controlled Trial Examining the Effect of a Behaviour Change Intervention on Participants' Intentions to Seek Help
- To test the effectiveness of the theory-based interventions (text+visual and text-only BCT-based interventions) against usual care in changing patients' intentions to phone ambulance immediately with symptoms of ACS ≥ 15 minutes duration.
- To determine the most effective mode of delivery by comparing the text+visual BCT-based intervention with text-only BCT-based intervention.
- To investigate any unintended consequences of the intervention on intentions to phone an ambulance for non-life-threatening symptoms.
Study Overview
Status
Conditions
Detailed Description
Patient delay means many people do not achieve optimal benefit of time-dependent treatments for Acute Coronary Syndrome (ACS). Reducing delay would reduce mortality and morbidity but to date, interventions to change behaviour have had mixed results. Systematic inclusion of behaviour-change techniques (BCTs) or a visual mode of delivery might improve the efficacy of interventions.
Aim To evaluate the efficacy of a BCT-based intervention and to compare two possible modes of delivery (text+visual and text-only).
Design A 3-arm web-based, parallel randomised, controlled trial of a theory-based intervention.
Methods and analysis The intervention comprises 12 BCTs systematically identified following systematic review and a consensus exercise undertaken with behaviour change experts. We aim to recruit n=177 participants who have experienced ACS in the previous 6 months from a local National Health Service (NHS) Teaching Hospital. Participants will be identified by Cardiac Rehabilitation staff and invited by letter to take part in the study. Those who wish to take part will be asked to access the experiment at a secure web-address and consent re-checked. Consenting participants will be randomly allocated in equal numbers to one of three study groups: i) usual care ii) usual care plus text-only BCT-based intervention or iii) usual care plus text+visual BCT-based intervention. The outcome variable will be the change in intention to phone an ambulance immediately with symptoms of ACS ≥15 minutes duration assessed using two randomised series of 8 scenarios representing varied symptoms before and after delivery of the interventions or control condition (usual care).
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Barbara Farquharson, PhD
- Phone Number: 0131 455 3475
- Email: b.farquharson@napier.ac.uk
Study Contact Backup
- Name: Brian Williams, PhD
- Email: brian.williams@stir.ac.uk
Study Locations
-
-
Tayside
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Dundee, Tayside, United Kingdom, DD1 9SY
- Recruiting
- NHS Tayside
-
Contact:
- Karen Smith, PhD
- Phone Number: 01382667421
- Email: k.m.smith@dundee.ac.uk
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Adults, aged > 18 years
- Experience of Acute Coronary Syndrome within the previous six months
Exclusion Criteria:
- Anyone still hospitalised
- People who have experienced ACS within the previous two weeks.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Information leaflet (control)
Participants in the control group will receive information that is currently used routinely in the NHS site to inform patients with ACS what to do if they experience symptoms after discharge.
The information from two leaflets: 1. 'Using GTN', produced by the hospital and 'Angina' produced by the British Heart Foundation, published 08/04/2014 and available at https://www.bhf.org.uk/publications/heart-conditions/angina .
The information explains the symptoms of angina and heart attack and advises what to do in the event of experiencing these symptoms.
This information will be presented in written text format on screen.
|
Participants in the control group will receive information that is currently used routinely in the NHS site to inform patients with ACS what to do if they experience symptoms after discharge.
|
Experimental: Text+Visual BCT-based intervention (Intervention Group 1)
Participants in the visual intervention group will receive the control condition specified above PLUS a specifically developed Text+Visual BCT-based intervention, comprising the 12 BCTs identified earlier in a Systematic Review and expert consensus study.
The BCTs are Problem solving; Action planning; Social support (practical); Social support (emotional); Instruction on how to perform the behaviour; Information about health consequences; Salience of health consequences; Prompts/cues; Credible source; Pro's & Con's; Comparative imagining of future outcomes; Mental rehearsal of successful performance
|
Participants in the control group will receive information that is currently used routinely in the NHS site to inform patients with ACS what to do if they experience symptoms after discharge.
Participants in the visual intervention group will receive usual care specified below plus a specifically developed Text + Visual BCT-based intervention, comprising 12 BCTs identified from SR and expert consensus study.
An animated video, just under 8 minutes in length is hosted online in the Intervention Modelling Experiment.
The animation contains 9 of the 12 BCTs and tells the 'delay stories' of three different characters.
It was not possible to deliver all of the 12 BCTs comprehensively in the relatively passive media of the animation as some techniques require active participation from participants (e.g.
action planning).
Thus, n=7 BCTs (1 2 Problem-solving; 1 4 Action planning; 5 2 Salience of consequences; 7 1 Prompts/cues; 9 3 Comparative imagining of future outcomes; 15 2 Mental rehearsal of successful performance) are also delivered via short web-based exercises which follow the animation.
|
Experimental: Text-only BCT-based intervention (Intervention Group 2)
Information leaflet (usual care) plus text-only BCT-based intervention (Intervention group 2) Participants in the text-only BCT-based intervention group will receive the control condition specified above plus a text-only BCT-based intervention.
This was developed in the same way as the text+visual BCT-based intervention but does not include the visual elements (i.e.
animation).
Instead, the voiceover from the animated film is displayed in text on screen instead.
|
Participants in the control group will receive information that is currently used routinely in the NHS site to inform patients with ACS what to do if they experience symptoms after discharge.
Participants in the text-only BCT-based intervention group will receive the usual care specified above plus a text-only BCT-based intervention.
This was developed in the same way as the text + visual BCT-based intervention but does not include the visual elements (i.e.
animation).
Instead, the voiceover from the animated film is displayed in text on screen and narrated in audio.
The BCTs which require active engagement are delivered via identical web-based exercises as the text + visual BCT-based intervention.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Intentions to phone an ambulance immediately in response to scenarios representing possible symptoms of ACS using a 7-point Likert scale.
Time Frame: Immediately post intervention
|
Intention: Informed by the Theory of Planned Behaviour (Ajzen 1991), participants' intentions to phone an ambulance immediately will be assessed in response to each scenario using a single Likert-type item ('For these symptoms, after this amount of time, I would phone an ambulance immediately') scored 1=strongly disagree to 7=strongly agree.
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Immediately post intervention
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Illness and symptom perceptions measured using the brief Illness Perception Questionnaire
Time Frame: Immediately post intervention
|
Participants' illness representations in relation to symptoms presented in each scenario will be assessed using the Brief Illness Perception Questionnaire (B-IPQ) (Broadbent et al. 2006).
The questionnaire consists of 9 items assessing the five components that make up a person's perception of their illness - identity (beliefs about the illness label and symptoms), cause (beliefs about factors responsible for causing illness), timeline (beliefs and expectations about the course of illness), consequences (beliefs and expectations about the impact of illness) and cure-control (beliefs about the efficacy of treatment or coping behaviours).
The questionnaire has good test-retest reliability, has been validated among people with Myocardial Infarction (MI) and has been shown able to distinguish between different illnesses (Broadbent et al. 2006).
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Immediately post intervention
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Cognitive determinants of intention assessed using questionnaire based upon the theory of planned behaviour.
Time Frame: Immediately post intervention
|
: Informed by the Theory of Planned Behaviour (Ajzen 1991), the questionnaire will include - three items assessing attitude toward phoning an ambulance immediately using semantic differential scales (e.g.
Useless-Useful) scored 1 to 7; three subjective norm items (e.g.
people who are important to me think I should phone ambulance immediately in this situation) scored 1=Strongly disagree to 7=Strongly agree; and three perceived behavioural control items (e.g.
Phoning an ambulance immediately in this situation is beyond my control) scored 1=Strongly disagree to 7=Strongly agree.
|
Immediately post intervention
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Self-efficacy assessed using questionnaire based upon Social Cognitive theory
Time Frame: Immediately post intervention
|
Informed by the Social Cognitive Model (Bandura 1998), people's generic self-efficacy to call an ambulance immediately will be assessed once before and once after the intervention.
Participants will be asked to rate how certain they are that they could phone an ambulance immediately in nine different situations which vary in how difficult it would be to phone an ambulance (e.g. if you were out with friends).
Responses will be elicited on a scale ranging from 0=not at all certain to 100=highly certain.
|
Immediately post intervention
|
Collaborators and Investigators
Publications and helpful links
General Publications
- Farquharson B, Dombrowski S, Pollock A, Johnston M, Treweek S, Williams B, Smith K, Dougall N, Jones C, Pringle S. Reducing patient delay with symptoms of acute coronary syndrome: a research protocol for a systematic review of previous interventions to investigate which behaviour change techniques are associated with effective interventions. Open Heart. 2014 Aug 12;1(1):e000079. doi: 10.1136/openhrt-2014-000079. eCollection 2014.
- Farquharson B, Johnston M, Smith K, Williams B, Treweek S, Dombrowski SU, Dougall N, Abhyankar P, Grindle M. Reducing patient delay in Acute Coronary Syndrome (RAPiD): research protocol for a web-based randomized controlled trial examining the effect of a behaviour change intervention. J Adv Nurs. 2017 May;73(5):1220-1234. doi: 10.1111/jan.13191. Epub 2016 Nov 18.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CZH/4/1025
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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