Introduction
Decentralised clinical trials (DCTs) represent a significant shift in how clinical research is conducted. Traditionally, clinical trials have been centralised around specific locations, requiring participants to visit these sites regularly. DCTs, however, utilise technologies to conduct studies remotely, minimising or eliminating the need for site visits. This approach offers the potential for more inclusive and patient-friendly research practices.1 This guide aims to demystify the concept and process of DCTs for patients, helping you understand the benefits of this new clinical research model.
What are decentralised clinical trials?
Decentralised clinical trials employ digital health technologies to collect data from participants in their home environments. Technologies such as mobile apps, wearable devices, and telehealth platforms are common in these trials, making participation more accessible and often more flexible. This method reduces the need for frequent visits to trial sites, which can be burdensome or unfeasible for many patients.1
Benefits of decentralised clinical trials
- Increased accessibility: DCTs can reach a wider demographic, including those living in remote areas or with mobility issues
- Enhanced comfort and convenience: Patients participate from the comfort of their homes, reducing travel and waiting times
- Real-time data collection: Continuous monitoring through wearable devices provides more comprehensive data for research purposes2
Challenges and considerations
While the benefits are considerable, DCTs face challenges such as ensuring data privacy, maintaining participant engagement without face-to-face contact, and managing the technological requirements from a participant's perspective.3
- Technology requirements: You will need access to specific technology, like a smartphone or computer, which might not be available to everyone
- Data privacy: Although data collected through digital means is generally secure, there are privacy concerns you should be aware of
How to participate in a decentralised clinical trial
To join a DCT, you generally need to:
- Consent to participate, often through an online process
- Use the designated digital tools to report health data
- Stay in touch with the research team via virtual visits
FAQ’s
Are decentralised clinical trials safe?
Yes, decentralised clinical trials (DCTs) adhere to the same regulatory standards as traditional trials but utilise digital tools to monitor safety remotely.
How do I participate in a decentralised clinical trial?
To participate, start by signing up through a digital platform. Eligibility is typically assessed via online questionnaires or virtual consultations. Your doctor can guide you, or you can search online registries that list available trials.
Will my data be secure?
Data security in DCTs is paramount, with strict protocols to protect patient information, including encryption and compliance with privacy laws.4 Patient data in DCTs are protected through advanced encryption methods, secure data transmission protocols, and adherence to global data privacy regulations such as GDPR in Europe and HIPAA in the United States. These measures ensure that personal health information is kept confidential and safe from unauthorised access.2
What if I don't have the technology needed?
Many trials provide the necessary devices or support to ensure you can participate.
What are the ethical considerations in decentralised clinical trials?
Ethical considerations in DCTs include ensuring informed consent through understandable digital formats, protecting participants' privacy and confidentiality, and addressing disparities in access to technology which could affect participants' ability to join or continue in trials. Ensuring equity and access for all potential participants is also a key concern.2
How do decentralised clinical trials impact drug development timelines?
Decentralised clinical trials can significantly accelerate drug development timelines by reducing recruitment times and increasing data collection efficiency. They enable real-time monitoring and faster data analysis, potentially speeding up the decision-making processes essential for drug development. This approach can bring effective treatments to market more quickly, benefiting patients sooner.3
Summary
Decentralised clinical trials (DCTs) are a modern way to conduct research without needing participants to come to specific locations. Here's what you need to know about them:
What are DCTs?
- DCTs use digital tools like mobile apps and wearable devices to collect health data from participants at home
- This method makes it easier for people to take part in studies from anywhere, especially those who live far from research centres or have difficulty travelling
Benefits of DCTs
- Broader Access: People from remote or underserved areas can participate
- Comfort and Convenience: Join in from home, saving travel and wait times
- Efficient Data Collection: Wearable devices monitor health data continuously, providing detailed information for the study
Challenges of DCTs:
- Technology Needs: Participants need access to technology like smartphones or computers, which might not be available to everyone
- Data Privacy: While data security measures are in place, privacy is still a major concern
How to Participate:
- Sign Up: Consent online and use digital tools to send health information
- Stay Connected: Regular virtual check-ins with the research team help maintain engagement
Decentralised clinical trials offer a flexible and inclusive way to participate in medical research, potentially accelerating the availability of new treatments.
References
- Khozin S, Coravos A. Decentralized trials in the age of real‐world evidence and inclusivity in clinical investigations. Clin Pharma and Therapeutics [Internet]. 2019 Jul [cited 2024 Apr 23];106(1):25–7. Available from: https://ascpt.onlinelibrary.wiley.com/doi/10.1002/cpt.1441
- Petrini C, Mannelli C, Riva L, Gainotti S, Gussoni G. Decentralized clinical trials (Dcts): A few ethical considerations. Front Public Health [Internet]. 2022 Dec 15 [cited 2024 Apr 23];10. Available from: https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2022.1081150/full
- De Brouwer W, Patel CJ, Manrai AK, Rodriguez-Chavez IR, Shah NR. Empowering clinical research in a decentralized world. npj Digit Med [Internet]. 2021 Jul 1 [cited 2024 Apr 23];4(1):1–5. Available from: https://www.nature.com/articles/s41746-021-00473-w
- Apostolaros M, Babaian D, Corneli A, Forrest A, Hamre G, Hewett J, et al. Legal, regulatory, and practical issues to consider when adopting decentralized clinical trials: recommendations from the clinical trials transformation initiative. Ther Innov Regul Sci [Internet]. 2020 [cited 2024 Apr 23];54(4):779–87. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7362888/
- Raber-Johnson ML, Gallwitz WE, Sullivan EJ, Storer P. Innovation in clinical trial design and product promotion: evolving the patient perspective with regulatory and technological advances. Ther Innov Regul Sci. 2020 May;54(3):519–27.
- de Jong AJ, van Rijssel TI, Zuidgeest MGP, van Thiel GJMW, Askin S, Fons‐Martínez J, et al. Opportunities and challenges for decentralized clinical trials: european regulators’ perspective. Clin Pharmacol Ther [Internet]. 2022 Aug [cited 2024 Apr 23];112(2):344–52. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9540149/
- Van Norman GA. Decentralized clinical trials: the future of medical product development? ∗. JACC Basic Transl Sci. 2021 Apr;6(4):384–7.
- Rosa C, Marsch LA, Winstanley EL, Brunner M, Campbell ANC. Using digital technologies in clinical trials: current and future applications. Contemp Clin Trials [Internet]. 2021 Jan [cited 2024 Apr 23];100:106219. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8734581/

