Background
Recruitment and retention in clinical trials remains an important challenge, particularly in the context of advanced disease. It is important to understand what affects retention to improve trial quality, minimise attrition and reduce missing data. We conducted a qualitative study embedded within a randomised feasibility trial and explored what influenced people to take part and remain in the trial.
Methods
Qualitative study embedded within a double blind randomised trial designed using a person-centred approach. Participants with cancer, Chronic Obstructive Pulmonary Disease (COPD), Interstitial Lung Disease (ILD), or Chronic Heart Failure (CHF), with a Modified Medical Research Council Dyspnoea Scale grade 3/4 were recruited from three UK sites. A convenience subsample completed qualitative interviews after the trial. Interviews were analysed using thematic analysis. Results were considered in relation to the core elements of person-centred care and our model of the person-centred trial.
Results
In the feasibility trial 409 people were screened for eligibility and 64 randomised. No participant was lost to follow up. 22 participants provided qualitative interviews. 11 had a diagnosis of COPD, 8 ILD, 2 CHF, and 1 lung cancer. Median age was 71 years (56-84). 16 were male. 20 had completed the trial, 2 withdrew due to adverse effects. The relationship between patient and professional, potential for benefit, trial processes and the intervention all influenced the decision to participate in the trial. The relationship with the research team and continuity, perceived benefit, and aspects relating to trial processes and the intervention influenced the decision to remain in the trial.
Conclusions
In this feasibility trial recruitment targets were met, attrition levels were low, and aspects of the person-centred approach were viewed positively by trial participants. Prioritisation of the relationship between the patient and professional, ensuring a person-centred trial design, and enabling people to participate by having processes in line with individual capabilities may support recruitment and retention in clinical trials in advanced disease. We would recommend the integration of a person-centred approach in all clinical trials.

Figure 1

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This is a list of supplementary files associated with this preprint. Click to download.
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Received 07 Jan, 2020
Invitations sent on 12 Dec, 2019
On 12 Dec, 2019
On 09 Dec, 2019
On 08 Dec, 2019
Posted 06 Nov, 2019
On 19 Nov, 2019
Received 17 Nov, 2019
On 05 Nov, 2019
On 01 Nov, 2019
Invitations sent on 01 Nov, 2019
On 31 Oct, 2019
On 16 Sep, 2019
Received 30 Aug, 2019
On 08 Aug, 2019
Received 15 Jul, 2019
On 26 Jun, 2019
Invitations sent on 26 Jun, 2019
On 26 Jun, 2019
On 25 Jun, 2019
On 20 May, 2019
Received 07 Jan, 2020
Invitations sent on 12 Dec, 2019
On 12 Dec, 2019
On 09 Dec, 2019
On 08 Dec, 2019
Posted 06 Nov, 2019
On 19 Nov, 2019
Received 17 Nov, 2019
On 05 Nov, 2019
On 01 Nov, 2019
Invitations sent on 01 Nov, 2019
On 31 Oct, 2019
On 16 Sep, 2019
Received 30 Aug, 2019
On 08 Aug, 2019
Received 15 Jul, 2019
On 26 Jun, 2019
Invitations sent on 26 Jun, 2019
On 26 Jun, 2019
On 25 Jun, 2019
On 20 May, 2019
Background
Recruitment and retention in clinical trials remains an important challenge, particularly in the context of advanced disease. It is important to understand what affects retention to improve trial quality, minimise attrition and reduce missing data. We conducted a qualitative study embedded within a randomised feasibility trial and explored what influenced people to take part and remain in the trial.
Methods
Qualitative study embedded within a double blind randomised trial designed using a person-centred approach. Participants with cancer, Chronic Obstructive Pulmonary Disease (COPD), Interstitial Lung Disease (ILD), or Chronic Heart Failure (CHF), with a Modified Medical Research Council Dyspnoea Scale grade 3/4 were recruited from three UK sites. A convenience subsample completed qualitative interviews after the trial. Interviews were analysed using thematic analysis. Results were considered in relation to the core elements of person-centred care and our model of the person-centred trial.
Results
In the feasibility trial 409 people were screened for eligibility and 64 randomised. No participant was lost to follow up. 22 participants provided qualitative interviews. 11 had a diagnosis of COPD, 8 ILD, 2 CHF, and 1 lung cancer. Median age was 71 years (56-84). 16 were male. 20 had completed the trial, 2 withdrew due to adverse effects. The relationship between patient and professional, potential for benefit, trial processes and the intervention all influenced the decision to participate in the trial. The relationship with the research team and continuity, perceived benefit, and aspects relating to trial processes and the intervention influenced the decision to remain in the trial.
Conclusions
In this feasibility trial recruitment targets were met, attrition levels were low, and aspects of the person-centred approach were viewed positively by trial participants. Prioritisation of the relationship between the patient and professional, ensuring a person-centred trial design, and enabling people to participate by having processes in line with individual capabilities may support recruitment and retention in clinical trials in advanced disease. We would recommend the integration of a person-centred approach in all clinical trials.

Figure 1

Figure 2
This is a list of supplementary files associated with this preprint. Click to download.
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