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Conducting clinical trials during the COVID-19 pandemic—a collaborative trial network response

Abstract

The unprecedented demand placed on healthcare systems from the COVID-19 pandemic has forced a reassessment of clinical trial conduct and feasibility. Consequently, the Australasian Kidney Trials Network (AKTN), an established collaborative research group known for conducting investigator-initiated global clinical trials, had to efficiently respond and adapt to the changing landscape during COVID-19. Key priorities included ensuring patient and staff safety, trial integrity and network sustainability for the kidney care community. New resources have been developed to enable a structured review and contingency plan of trial activities during the pandemic and beyond.

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Introduction

The COVID-19 pandemic presents a threat to the health and wellbeing of everyone, particularly in those diagnosed with a chronic medical condition, such as chronic kidney disease (CKD). People with CKD are at heightened risk of developing severe complications from contracting COVID-19 due to a high burden of co-morbidities and a compromised immune system [1]. Moreover, patients requiring facility haemodialysis are at heightened risk of exposure to COVID-19 during hospital or dialysis unit outbreaks [2], while kidney transplant patients are at higher risk of acquiring infections by virtue of anti-rejection medications suppressing their immune system [3].

During the COVID-19 pandemic, the Australasian Kidney Trials Network (AKTN), an established collaborative research group conducting investigator-initiated clinical trials in people with kidney disease [4], responded to the threat with a considered and coordinated approach that prioritised the wellbeing of the kidney community and researchers while maintaining trial integrity. At the time of the outbreak, there was no disaster management policy in place and trial risk assessments had not accounted for the impact of a major pandemic. Here, we describe new strategies and resources that were designed to support AKTN trials in response to the COVID-19 pandemic.

AKTN background

The AKTN research portfolio primarily focuses on conducting clinical trials evaluating outcomes derived from the shared priorities of patients, caregivers, clinicians, researchers and policy makers [5]. Since its inception in 2005, the AKTN has coordinated 18 predominantly phase III–IV multicentre investigator-initiated trials in collaboration with international and local research partners (3 national and 15 international trials to date). More recent protocols have addressed the imperative for pragmatic trial design by collaborating with the Australia and New Zealand Dialysis and Transplant (ANZDATA) registry to embed the research into routine clinical practice, reducing the number of trial-specific assessments and bridging the divide between clinical and research-related activities. These registry-based trials also leverage existing registry data points, thereby reducing burden on sites by avoiding duplicate data entry [6]. Championing a pragmatic trial design [7] with less strict inclusion criteria was executed to enhance feasibility, efficiency, generalisability and implementation of study outcomes.

A central coordinating office in Brisbane, Australia, houses the operational infrastructure and expertise necessary to coordinate multiple clinical trials in Australia, and internationally. Individual trials are overseen by a Trial Steering Committee comprising key clinical researchers whose decisions are informed by the day-to-day operational activities of a Trial Management Committee. The Trial Management Committee is responsible for ensuring that quality management, risk management and feasibility assessments are incorporated into AKTN trial design and governance procedures (Fig. 1).

Fig. 1
figure 1

AKTN governance structure

Prior to the COVID-19 pandemic, site training was usually conducted face to face. Risk-based monitoring and quality by design [8] were applied to all AKTN trials and all trial monitoring plans pre-pandemic; this included at least one early on-site visit to conduct source data verification, establish compliance with Good Clinical Practice (GCP) and determine which areas of the risk assessment and monitoring plan may require adjustment. Depending on the risk level associated with the trial, the monitoring plans also incorporated further on-site visits and regular remote data monitoring to ensure trial integrity and patient safety.

COVID-19 situation

COVID-19 emerged globally at a rapid rate, creating an unprecedented surge in patients presenting to healthcare services around the world. The deployment of clinical research staff to support the COVID-19 front line response and the strict physical distancing requirements necessitated that clinical trial operations be scaled back significantly. This posed questions regarding the viability of patient recruitment, study visits and assessments, patient safety monitoring, data collection and the long-term ongoing operations of the network due to the uncertainty of the health crisis duration.

AKTN response

At the time of the COVID-19 outbreak, AKTN trials were at various stages of conduct: 5 were in development, 5 were recruiting and 6 in follow-up. The AKTN COVID-19 response required flexibility to accommodate the unique situation for each trial and the rapidly evolving situation. The priorities in the COVID-19 trial response management plans included first and foremost maintaining patient safety, staff health and wellbeing, trial integrity and business continuity.

Initial response planning

Trial-specific COVID-19 action plans reflected the COVID-19 advice and information from regulatory bodies and ethics committees and upheld the regulations, guidelines [9,10,11], codes, policies and other standards applicable to clinical trials. Mindful that any key decisions and actions would need to be justified in real time and in the future, a COVID-19 trial response checklist (Table 1) was quickly created in accordance with the best practice available at the time [10]. The checklist systematically addressed the impact and risks relating to recruitment, data quality and completeness, and safe and timely delivery of the trial intervention. Checklists had scope for change should new guidance emerge. Each Trial Management Committee completed the checklist and presented it to the Trial Steering Committee for consideration and endorsement. Once approved, the trial checklist underpinned ancillary documents, including a COVID-19 trial action plan incorporating a communication plan and tracker, to ensure that AKTN’s COVID-19 response and subsequent updates were relayed to stakeholders. The AKTN governance review and decision-making process were standardised for each funded trial (Fig. 2).

Table 1 AKTN COVID-19 trial response checklist template
Fig. 2
figure 2

Summary of trial response process

Decision-making

Protecting the wellbeing and safety of participants is a founding principle of GCP and at the forefront of clinical trial design and conduct. Developing a pathway for ethical continuation of trial activities was important: the timely completion of a well-designed and conducted trial has the potential to benefit millions of people. Devising methods to enable the research to continue while under duress acknowledges the valuable contribution of new and already enrolled participants.

Individual trial responses were tailored according to the stage and design of the trial. Initially, the pragmatic design of the majority of AKTN trials, whereby protocols allowed for telehealth or virtual participant visits with exception of the informed consent process and the use of web-based electronic data capture systems for trial data collection, was considered relatively ‘safe’ to facilitate a ‘business as normal’ approach. However, this view was re-evaluated in the context of a rapid surge in the COVID-19 infection rates in the community and the imperative to develop and implement responsive policies and a more pragmatic approach.

Trial conduct during COVID-19

Recruiting sites were consulted on their capacity to consent participants and collect trial data during the pandemic. Several local Research Governance Offices suspended all new trial-related activity indefinitely, while others limited non-essential research activities, which posed infection control issues, such as patient contact and handling paper consent forms.

Within this framework, site set-up activities, such as execution of clinical trial agreements and collection of GCP essential documents, continued where possible. However, in anticipation of an overwhelmed healthcare system and to avoid unnecessary additional burden to site staff, the Trial Management Committees unilaterally recommended to suspend recruitment of new patients and suspend activation of new sites, a decision supported by the Trial Steering Committees. For patient safety monitoring and preservation of the integrity of the intention to treat analysis of trial data, the Committees also agreed sites should be supported to continue follow-up of already enrolled participants. The pragmatic design of the trials provided the Trial Management Committees with the agility to adjust trial data collection and monitoring processes within the COVID-19 lockdown restrictions, for example highlighting priority trial activities and relaxing the timeframe for data entry (Table 2). Protocol deviations and changes to the trial methodology due to COVID-19, should they occur, were to be reported in the methods section when the trial results manuscript was submitted for publication.

Table 2 Modified trial activities

Trial conduct decisions were made by the Trial Steering Committees (informed by recommendations from the Trial Management Committees) on behalf of site investigators as part of an intentional strategy to (1) avoid selective site recruitment bias and (2) provide transparency regarding the AKTN’s decision-making process. The screening data were captured during this period to allow a retrospective review of the impact of halting recruitment. The trial activities were revisited at regular intervals by the Trial Management Committees and assessed against the regulatory advice and the best interests of the patients (Table 2).

Monitoring activities

Prior to COVID-19, all AKTN intervention trials included variable levels of on-site monitoring to check GCP compliance and data quality and integrity, which had to be suspended due to domestic and international travel restrictions.

As a substitute for on-site monitoring, checklists for remote site monitoring visits were created for targeted discussions with site staff about priority data and common queries and risks (Table 2), and more pragmatic monitoring approaches were adopted (Fig. 3a). Prior to conducting remote monitoring calls, sites were given advance notification of which topics would be discussed to facilitate a productive, streamlined discussion. The durations of calls were generally shorter than the time spent with monitors during on-site visits, thereby reducing staff burden.

Fig. 3
figure 3

a Pragmatic changes to the delivery of trial monitoring activities during COVID-19 restrictions. b Pragmatic changes to the delivery of trial activities during COVID-19 restrictions

The AKTN did not favour asking sites to scan redacted documents for remote source data verification as a replacement for on-site monitoring due to labour intensiveness and the risk of compromising patient privacy. Research has shown the majority of significant data queries are not identified through source data verification [12]. Consequently, AKTN has evaluated this as a low-risk activity, and conducting source document verification remotely was not considered a priority. Additionally, the pragmatic conduct of registry-based trials has further reduced the need for source data verification as routine data capture, and existing quality control mechanisms within the registry infrastructure are considered reliable substitutions for source data. Electronic data collection has enabled superior central monitoring through integrated query resolution workflows and enhanced detection of potential data entry errors. Remote monitor access to electronic medical records is permitted by some institutions. This presents a solution to remotely verify trial data veracity and review GCP compliance, particularly consent form completion, patient eligibility and unreported events identification (Table 2 and Fig. 3a).

Communications

The Human Research Ethics Committees and key stakeholders for each trial were informed in writing of the response plan (Fig. 2). It was important to ensure that a consistent message was conveyed to all site investigators in the climate of heightened uncertainty. Sites were notified of the trial response via email and then called to confirm that they had received the correspondence about the required activities during COVID-19 and to discuss the practicalities of those activities. Investigators were responsible for relaying the appropriate information to participants as well as informing their local research governance to ensure that the measures introduced complied with local advice. Concise website updates, emails, newsletters and electronic data capture system alerts were also used to disseminate the current trial status information. Refresher training on trial site activities was offered for those who had suspended recruitment or opted to implement remote consent. The timings of the next Data and Safety Monitoring Board (DSMB) meetings were flagged for review as the recruitment suspension may have meant that only limited additional data were available for review following the previous meeting.

Going forward/lessons learned

The decisions to suspend recruitment may have been perceived as premature, considering that the number of the COVID-19 cases that eventuated in Australia and New Zealand to date has been relatively low compared to some other countries. However, at the time of implementing suspension, the COVID-19 infection rate in Australia was doubling every few days at an accelerated rate, and in New Zealand, strict government lockdown measures were implemented to safeguard the nation. The healthcare research workforce activities were diverted away from trials to focus on preparing for the pandemic. At an organisational level, we had to be confident the necessary policies and processes were in place to safeguard all members involved in our network, especially our patients, as well as maintaining trial integrity.

Consumer bodies were not consulted during the pandemic response, except for consumer representatives on Trial Steering Committees. It would be prudent to seek their opinions on the recruitment suspension and changes to the delivery of patient consent and assessments. It remains to be seen if patient uptake into clinical trials will change in light of COVID-19. Patients may be risk averse after such a global crisis, although there has been widespread media coverage about the importance of clinical trials in establishing safe and effective vaccines and treatments for COVID-19, thereby raising awareness of the value of clinical trials and medical research. For those patients who are open to participating but still fearful of attending hospitals, remote consent and assessments should be incorporated into trial protocols to give flexibility and facilitate inclusion. Validation of assessment tools will be required to implement remote assessments, e.g. via telephone. This potential barrier can be addressed via trial embedded research or a “Study Within A Trial (SWAT)” [13].

The revised AKTN activities (Table 2) were assessed for their pragmatism across the trial portfolio using a method inspired by the PRECIS-2 tool [14]; there is scope for further pragmatism in trial delivery (Fig. 3b) and monitoring (Fig. 3a). The lessons learned from COVID-19 will mean more weight will be given to innovative and simplified delivery of trial assessments and data acquisition [15] when designing trials to enable trials to continue during future health emergencies (Fig. 4). New trial budgets will include provision for devices, data and additional resources to facilitate remote trial activities and web-based training. Going forward, virtual meetings are likely to be adopted more broadly across site training and monitoring plans. The pandemic has pushed us to explore capabilities to develop rapport via virtual meetings and training sessions, such as redesigning the meeting format to create interactive discussions, polls, question and answers.

Fig. 4
figure 4

Considerations for the design of future trials

In the absence of on-site monitoring visits, where certain activities cannot be done remotely, there is a strong indication for more training, communications (newsletters) and quick reference guides to educate site staff on GCP and prevent errors, rather than react to them. This creates responsible research practice, empowers the research team and instils confidence as we move away from traditional on-site monitoring. The acceptability of the phone calls for both the monitor and site staff is currently under review, and the processes (Table 2) will be adapted according to feedback from all stakeholders. Documented decisions, evaluation of processes, and routine tracking of metrics will enable an impact assessment [16] and inform the design of future trial protocols and monitoring plans (Fig. 4).

This paper has not addressed statistical issues. The potential effect of the COVID-19 pandemic on power calculations was considered at the start of the pandemic, and any new developments potentially altering sample size considerations are being monitored. In accordance with recommendations [17, 18], statistical analysis plans will be reviewed and modified where necessary to accommodate any impact of COVID-19 on interventions and trial data and additional sensitivity and supplemental analyses will be added to the analysis plans with the aim of fully understanding the effect of COVID-19 on trial results and interpretation.

Conclusion

The clinical trial network was not prepared to conduct trials safely during a global pandemic. In order to ensure trial integrity while safeguarding outcome for all stakeholders involved in clinical trials, the decision was made to suspend recruitment, re-evaluate and strategically develop policies to facilitate conduct of high-quality clinical trials adapted to different approaches necessitated in the context of COVID-19. It is too early to assess the long-term impact of COVID-19 on existing trials, but its occurrence has reshaped the organisation and processes to better prepare for and have the agility to adapt to future disruptions caused by the re-emergence of the virus.

Availability of data and materials

Not applicable.

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Acknowledgements

We thank all the AKTN committees, investigators, research staff at participating sites, and patients for their participation in the AKTN trials and network activities.

Funding

AKTN’s infrastructure is supported by the National Health and Medical Research Council of Australia (NHMRC) BEAT-CKD Program Grant (APP1092957). AKTN clinical trials are individually funded via competitive government and industry grants.

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Correspondence to Laura Robison.

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Competing interests

All authors have completed the Unified Competing Interest form (available on request from the corresponding author). YC has received research grants and speaker’s honoraria from Baxter Healthcare, Fresenius medical care and Amgen. She is a current recipient of the NHMRC Early Career Fellowship. AVi is a current recipient of a Jacquot Research Establishment Fellowship. DJ has received consultancy fees, research grants, speaker’s honoraria and travel sponsorships from Baxter Healthcare and Fresenius Medical Care; consultancy fees from Astra Zeneca and AWAK; speaker’s honoraria and travel sponsorships from ONO; and travel sponsorships from Amgen. He is a current recipient of an Australian National Health and Medical Research Council Practitioner Fellowship. CH has received grants from National Health and Medical Research Council, Shire and Baxter, and consultancy fees from GlaxoSmithKline and Astra Zeneca paid to her institution and outside the submitted work. MF has received research grants from Baxter Healthcare, Siemens Healthcare and Roche Diagnostics. NB has received an educational grant, advisory board consulting fees and honoraria from Baxter; advisory board consulting fees from Astra Zeneca; an educational grant and travel grant from Roche Pharmaceuticals; and a travel grant and educational grant from Amgen. RK has received consultancy fees, research grants, travel and speaker’s honoraria from Baxter Healthcare, travel sponsorships from Amgen and speaker’s honoraria from Shire. She is a current recipient of Queensland Advancing Clinical Research Fellowship. Staff members of AKTN are supported by NHMRC funding. The remaining authors have no competing interests to declare.

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Robison, L., Cho, Y., Viecelli, A.K. et al. Conducting clinical trials during the COVID-19 pandemic—a collaborative trial network response. Trials 22, 278 (2021). https://0-doi-org.brum.beds.ac.uk/10.1186/s13063-021-05200-0

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