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Last Updated on January 17, 2023


Clinical trials are important research studies that are carried out to test potential new medicines. Physicians and researchers conduct clinical trials to discover new ways and novel approaches to prevent, diagnose, and treat conditions or diseases. Our ability to advance healthcare would be limited in the absence of clinical trials. One of the many benefits of clinical trials is the introduction of life-saving therapies. If clinical trials had not tested them first, the majority of the modern treatments and devices that we take for granted today, would not be accessible.

Depending on what they are meant to accomplish, clinical trials can be different. Participating in a clinical trial is a very personal choice that should be carefully discussed with family, friends, and medical professionals. Making an informed choice, however, requires having a thorough understanding of what clinical trials are, how they operate, and the potential long-term benefits of clinical trials.

What are the Types of Clinical Trials?

The three main categories of clinical trials concentrate on:

  • Treatment: Testing new drugs, devices, or surgical procedures as part of treatment.
  • Prevention: This involves methods to ward off illness, such as potential treatments (drugs, vaccines, or vitamins) or alterations in lifestyle.
  • Diagnosis or Screening: Studying novel diagnostic procedures to determine their efficacy in identifying diseases or conditions is known as screening or diagnosis.

What are the Different Phases of Clinical Trials?

Drug clinical trials are typically broken down into their phases. To determine whether a drug can be approved for use, the FDA typically requires Phase I, II, III, and IV trials to be conducted.

Phase I:

A phase I trial evaluates an experimental treatment on a small group of often healthy people (20 to 80) to determine its safety, side effects, and appropriate drug dosage.

Phase II:

More people are requested to participate in a phase II trial (100 to 300). While phase I focuses on safety, phase II focuses on effectiveness. This phase seeks preliminary data on whether the drug is effective in people suffering from a specific disease or condition. These trials also study the safety of the drug, including short-term side effects. This stage can last for years.

Phase III:

A phase III trial collects more information about the drug’s safety and effectiveness by studying different populations and dosages, as well as using the drug in combination with other medications. The number of subjects typically ranges from a few hundred to around 3,000. If the FDA agrees that the trial results are positive, the experimental drug or device will be approved for market use.

Phase IV:

After the FDA has approved the use of a drug or device, a phase IV trial is conducted. The effectiveness and safety of a device or drug are assessed in large, diverse populations. Usually, the side effects of a drug are not evident until a larger group of people have used it for a longer period.

What are the Benefits of Clinical Trials?

Clinical trials are the heart of medical research. These clinical trials are conducted to determine how different types of healthcare interventions affect people. They may be used to test novel therapies to see if they are better than the currently available options. Clinical trials also help determine whether the methods for disease prevention and early detection, are safe and effective and if they can improve the quality of life.

There are numerous long-term benefits of clinical trials. Some of them are discussed below:

They Offer Innovative Solutions:

One of the most important benefits of clinical trials is that they help evaluate new treatments to determine the most effective methods for treating or managing health conditions and diseases. The outcomes may improve the lives of those who are affected. A trial may discover that a new drug has fewer side effects or works better for symptoms than the drug currently used to treat a health condition. New solutions can be extremely beneficial, ranging from improving quality of life to saving lives.

They are Strictly Regulated:

Clinical trials are strictly regulated by the Food and Drug Administration (FDA), and other regulatory bodies. They must adhere to stringent standards. If the trial results are positive, the FDA will approve the intervention after three phases. The fourth trial then continues research to ensure the intervention’s efficacy and safety. These regulations ensure that clinical trials are safe for participants and that the intervention is safe and beneficial for human use.

They Provide Access to Novel Therapies:

Another benefit of clinical trials is the access to novel therapies when other treatments in the market don’t seem to work. Participating in a clinical trial allows you to test out new treatment options for your health condition or disease. This intervention would be available to you before it is available to the general public. You may be interested in the new intervention for a variety of reasons. For example, if your current medication causes unpleasant side effects, you may want to investigate whether a new medication would provide a better experience.

They Provide Hope:

When current treatments aren’t working or there aren’t any effective treatments available, clinical trials can provide a second chance. This could be especially helpful for people with life-threatening illnesses who have no other options.

They Provide Quality Care from an Experienced Research Staff:

If you participate in a clinical trial, one of the most sought-after benefits of clinical trials is that you may be able to receive specialized care from experienced research staff. There is the possibility of getting health checks and testing interventions that may prevent or detect health conditions or diseases. As part of the trial, you may also be eligible for free or low-cost medical care, travel, and related expenses. These aspects may benefit your health and assist you in being proactive.

They Provide Access to Care from Medical Professionals:

Clinical trial research teams frequently include top-tier medical professionals, including specialized doctors and nurses. By taking part in a clinical trial, you could have leading physicians and researchers working on your health. Furthermore, these professionals are likely to be experts in the field of your health condition or disease, such as hypertension, diabetes, and a lot more.

They Contribute to Medical Knowledge & Advancing Medicine:

Another important long-term benefit of clinical trials is that they inform the medical community about the latest in health issues, diagnoses, and interventions. This information can be extremely useful, especially in the case of health conditions or diseases for which there is little current knowledge or effective treatment.

The study’s findings can help physicians and researchers learn more about how the health condition or disease affects the body and help them develop or improve methods to best diagnose, manage, or treat it. If you decide to take part in clinical trials, the information we learn could help your case or people with the same disease or condition in the future.

There are many benefits of clinical trials. As can be seen, these trials benefit medical professionals, and participants, and the knowledge gained contributes to the diagnosis, prevention, treatment, and management of health conditions and diseases. Through clinical trials, we are constantly striving to advance the medical field by providing better interventions than we currently have. All clinical trials adhere to strict regulatory guidelines to ensure that these novel interventions are safe and effective for human use.


Clinical research investigates the health and illness of individuals. Researchers in the field of healthcare science can gain a better understanding of various diseases by conducting research. Understandably, many people are unaware of the benefits of clinical trials and the importance of clinical research.

It is, however, worthwhile to learn a little bit about clinical research. This allows you to learn why there is a need to raise awareness and support research efforts. Furthermore, it will provide you with valuable insights that you can share with others to make an even bigger impact!


Dr. Anusia Thourani

Dr. Anusia is a Dentist and currently working as a Recruitment Associate at Revive Research Institute. Her cheerful personality and enthusiasm for her work in this organization make her a great part of our team.