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The Purpose of Clinical Trials in Healthcare

by Ellen Diamond · Updated

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Did you know that there are nearly 18,000 specific diseases in the world? Then you have accidents and injuries to account for, as well as the number of new illnesses and rare diseases that are emerging every year. 

If the Covid pandemic taught us anything, it’s that new illnesses can and will continue to emerge, and they can have a huge impact on the population.

Keeping that in mind, it’s easy to see that those in the healthcare industry have got their work cut out for them. So it’s no wonder that so much time and investment goes into research projects and clinical trials to help combat this. 

But these clinical trials must be carefully designed to ensure they are scientifically sound and ethical and, ultimately, that they are capable of reaching the trial objectives. Scientists, stakeholders and all those operating in the industry need to make sure that every new treatment, therapy and medical intervention being proposed is rigorously tested before it can be made public. 

Testing new treatments or therapies

First and foremost, clinical trials introduce new medical interventions that may provide better solutions for diseases or conditions that currently have limited or ineffective treatment options. But as with anything, these new ideas will need to be thoroughly tested to determine how effective they are.

Evaluating treatment efficacy

Part of this testing is about determining the efficacy of a new treatment or therapy. After all, it’s pointless investing in new ideas, not to mention risking the health of patients even further if the new medical intervention or treatment does not work as intended. 

Although you cannot guarantee that a particular treatment will cure or benefit every patient, it’s crucial to use clinical trials to ascertain whether a new medication, therapy, or medical device can improve a particular health condition in enough patients to make it commercially viable.

For example, a clinical trial might test a new cancer drug to see if it can reduce the size of a tumour more effectively than any of the current treatments on the market. If it can, this is an area worthy of deeper research and investment. 

Improving current treatments

It’s not just about finding and testing new treatments, clinical trials can also help healthcare organisations improve on existing treatments and medication. 

These trials will often compare new treatments with existing ones to determine if the new option offers improvements. This might be to find new treatments with fewer side effects, greater convenience or enhanced effectiveness.

Alternatively, these trials might evaluate whether a daily medication could be a more effective solution than a weekly one or whether simpler treatments or procedures could replace more invasive ones. 

Enhancing quality of life

Part of this also includes enhancing the quality of life for those with chronic or terminal conditions. These clinical trials may be used to find and test for treatments or therapies that improve the daily lives of patients, such as testing pain management strategies and new medications for those with late-stage illnesses. 

Preventing diseases

Some trials are established with a focus on preventing diseases by testing vaccines, lifestyle changes or other medical interventions that could reduce the risk of developing certain conditions in the first place. 

A perfect recent example of this is the trials that were used to study the effectiveness of new vaccines when trying to prevent the spread of Covid.

Improving the diagnostic process 

As well as improving treatments, clinical trials can also help to improve the diagnosis process. As a result, the purpose of some trials is simply to refine diagnostic methods rather than treatments. 

For example, researching new imaging technologies that could help to detect cancer at a much earlier stage means patients can get treatment quicker. These new methods might also be crucial for the emergence of new illnesses and diseases. 

Again, during the Covid pandemic, we saw the introduction of rapid tests being given out to the public to quickly identify the virus and try to stop its spread. This enabled patients to diagnose themselves and determine if they needed to isolate.

Ensuring the safety of patients

Researchers will also use clinical trials for safety purposes. They use these as an opportunity to monitor and document any potential side effects or adverse reactions that patients may experience when trialling a new medication, treatment or intervention. 

For example, when testing a new medication for diabetes, it’s important to determine if it could cause any dangerous drops in blood sugar or other harmful effects that could endanger users.

Supporting regulatory approval

Clinical trials must demonstrate safety and efficacy in order for regulatory bodies to approve any new treatment, drug, or medical device. Without these trials, no new medication can achieve the certification needed to enter the market and, eventually, hospitals and medical practices. 

Without these trials, healthcare providers are unlikely to take a chance on new, unapproved treatments or drugs. Otherwise, they could be putting their patients at risk. 

Understanding diseases

Last but not least, clinical trials can be used to shed light on how diseases develop and progress. For example, a trial might be established to explore how genetic factors contribute to diseases like Alzheimer’s. 

This serves a very important purpose. Not only does this help us to develop our understanding of devastating diseases, but these trials can potentially lead to future innovations in treatments and targeted new therapies. 

By understanding as much as they can about diseases and other illnesses, healthcare professionals can find more ways to treat and possibly even prevent people from becoming ill. 

That’s why clinical trials are so important to the healthcare industry 

As you can see, clinical trials not only advance scientific understanding but also contribute to the development of better treatments and medical interventions. 

These trials are crucial to ensure that all treatments offered to patients are both safe and effective and that they have passed regulatory guidelines.Â