Walk with us through a clinical study
Clinical studies are often misunderstood. For many, they suggest risk, uncertainty, or experiments carried out in place of standard care. The reality is very different. Clinical studies are highly regulated, rigorously reviewed, and designed to complement — never replace — the care patients would normally receive.
Professor Yuhang Chen and Research Associate Scott McLeod, from Heriot-Watt University’s Global Research Institute in Health and Care Technologies, are currently working alongside clinicians to investigate novel solutions for diagnosing urinary tract symptoms that improve patients’ experiences. Together, they take us through the reality of what a clinical study might look like in practice.
Behind the scenes
Every study begins long before a patient steps through the door. For Yuhang and Scott, the first step was listening — to clinicians who described the long waiting times faced by NHS urology patients due to lower urinary tract symptoms, a condition affecting millions across the UK. To better understand the challenge, they visited NHS Lothian’s Nurse Urology Unit to observe how clinical uroflowmetry — a key diagnostic test — was conducted. From these early visits came a simple but powerful question: how could this essential test be brought closer to patients, into community and even home settings to reduce bottlenecks in diagnosis?
Over time, those early observations turned into action. Working under urological guidance and in line with best practice, the team carried out their first lab-based tests confirming that their novel technique could replicate clinical results using a much simpler setup. This milestone led to a successful funding application to The Urology Foundation, allowing them to expand their work to a small volunteer group of clinicians.
“This is an engineering method, but it must eventually be adopted in real healthcare environments — so our design, testing, and evaluation processes are all co-developed with clinicians and patients from the start” explains Yuhang.
Once studies are ready for implementation, the day-to-day routine looks simple from the outside, but it requires careful coordination. On a typical morning, researchers like Yuhang and Scott set up the diagnostic technology, while clinical leads like Mr Matthew Trail, Consultant Urological Surgeon, Western General Hospital, NHS Lothian, brief nursing teams on preparing the consultation spaces and gathering the documentation each patient will need. By the time the first patient arrives, both teams are ready to work together.
“Our role is to make sure the setup works perfectly and that every patient feels supported — from the moment they walk in, through the appointment, to the final conversation at the end”, says Scott.
A human effort
This multidisciplinary collaboration is vital to running a successful clinical study, from the research team to nurses, clinicians, administrators, local NHS R&D teams, and of course patients themselves playing a key role.
Due to the nature of this project Yuhang and Scott work primarily with specialist nurses at the nursing-led urology clinic. These specialist nurses typically phone the potential patients, explaining the study and send them relevant paperwork and information. Once potential participants have had time to consider and are comfortable, nurses will obtain and document ‘informed consent’. On the day of testing, the specialist urology nurses then introduce the participants to the test, ensuring the patients are still happy to provide consent to take part in the study. For this study, a single test will typically last for 30 minutes. The nurses will then collate all the data before archiving them and passing them to the urologists, who will then work with the research team for data analytics.
“It takes collaboration at every level — from paperwork, to technology, to patient care — this helps us to make each study possible,” Scott reflects.
Myth-busting in action
It really is this transparent, yet common misconceptions about clinical studies remain; that participation inherently carries risk, or that patients are exposed to untested interventions. In reality, by the time a study reaches the clinical research stage, it has already undergone rigorous proof-of-concept development, extensive laboratory evaluation, and frequently, smaller pilot studies to establish both safety and feasibility.
“Every improvement in healthcare relies on clinical evidence,” explains Yuhang. “By the time patients are involved, the approach has already been validated in the relevant lab environment. Clinical studies give us the chance to refine, adapt, and prove both the effectiveness and the safety of what we’re testing.”
Patients often have questions — not just about safety, but about impact. “People want to know how their data will be used,” adds Yuhang. “Even though they receive detailed information beforehand, they appreciate being able to speak directly with the team. Many are eager to contribute because they know their involvement could help shape better care.”
Others are curious about the long-term effect of their participation. “One patient asked how our research might change current clinical practice,” explains Yuhang. “Many take part not necessarily for their own benefit, but because they recognise that progress in healthcare depends on this kind of research. Their motivation is to help advance technology for everyone.”
Looking ahead
This clinical study is helping to further the development of an alternative diagnostic tool for lower urinary tract symptoms. Currently, this test is only available in NHS hospitals- the overarching goal is to develop a more affordable, scalable, and clinically validated methods that could be used in community settings. By innovating and working hand-in-hand with patients and practitioners, the team hope to reduce pressure on hospitals and make care more accessible, especially for frail or patients living in rural locations.
Yuhang concludes “our goal is to make diagnostic testing more accessible,” and “we want to shorten the time it takes for patients to get the right diagnosis and give clinicians data they can trust.”
Clinical studies are essential to the future of healthcare. They allow researchers to refine new ideas, give patients a voice in shaping them, and provide the evidence needed to move from innovation to adoption.
Anyone interested in collaborating with the Global Research Institute in Health and Care Technologies can contact GRID@hw.ac.uk