The Real Benefits of Clinical Trials: Risks vs. Rewards Explained

Medical breakthroughs begin with a question: Could there be a safer, more effective way to prevent, diagnose or treat disease? Before a new medication, therapy or medical device becomes widely available, it must be studied carefully to determine how well it works and what risks it may carry. Clinical trials are the process that turns promising ideas into evidence-based care.

None of that progress is possible without people willing to participate. For volunteers, however, the decision can feel deeply personal. An experimental treatment may offer hope, but it also comes with uncertainty. Understanding how clinical trials work—and the safeguards designed to protect participants—can make that decision feel less intimidating.

This post explains the purpose of clinical trials, the potential benefits and risks of participation and the growing role of decentralized research in making studies more accessible.

What Is the Purpose of Clinical Trials?

Clinical trials are carefully designed studies that evaluate new medications, medical devices, behavioral interventions and other approaches to preventing or treating disease. Their purpose is to determine whether a new intervention is safe, effective and appropriate for broader use before it becomes part of standard care.¹ The U.S. Food and Drug Administration (FDA) requires clinical trials to generate the evidence needed to evaluate safety and effectiveness while protecting the rights and welfare of participants.²

The importance of clinical trials extends far beyond the development of individual treatments. Every advance in modern medicine, from new cancer therapies to vaccines and preventive care strategies, depends on evidence gathered through clinical research.³ Well-designed clinical trials also inform public health policies and best practices, helping healthcare providers make decisions based on reliable scientific evidence.⁴ By progressing through carefully monitored phases of testing, researchers can identify potential risks, measure effectiveness and determine whether a treatment should ultimately become available to the public.¹

Exploring the Advantages of Clinical Trials for Participants

People participate in clinical trials for many reasons. Some are looking for new treatment options, particularly when existing therapies have not produced the results they hoped for. Others want to contribute to research that could improve care for future patients.¹ Regardless of their motivation, participants typically receive regular monitoring from a dedicated research team throughout a given study, which allows researchers to track both the effectiveness of a treatment and any side effects that may occur.³

Participation also creates benefits that extend far beyond a single study. Every clinical trial adds to the scientific evidence that guides physicians, researchers and public health leaders as they develop new treatments and refine existing ones. Many of today's standard therapies, including chemotherapy, cholesterol-lowering medications and vaccines, became part of routine care only after volunteers participated in earlier clinical trials.¹

Access to Cutting-Edge Treatments

For some participants, the opportunity to receive an investigational treatment before it becomes widely available is a compelling reason to join a clinical trial.³ Although no experimental therapy is guaranteed to be more effective than the current standard of care, participation may be especially valuable for people whose condition has limited treatment options or has not responded to existing therapies.¹ At the same time, every participant helps researchers determine whether a promising new approach should become part of future medical care.⁵

Contributing to Public Health Advancements

Strong clinical research depends on broad participation. When people of different ages, backgrounds and communities enroll in clinical trials, researchers gain a clearer understanding of how treatments perform across the populations they're intended to serve.¹ More representative studies help scientists identify differences in effectiveness, monitor potential risks and produce findings that healthcare providers can apply more confidently in real-world settings.⁴

Clinical research is also cumulative. Each study builds on what researchers have learned before, refining future investigations and expanding the evidence that shapes public health decisions. Today, more than 530,000 studies are registered with ClinicalTrials.gov, reflecting the ongoing collaboration among researchers and volunteers to improve healthcare.⁶

Are Clinical Trials Worth It? Weighing the Risks and Rewards

Whether clinical trials are worth it depends on who you're asking. For someone considering participation, the decision involves weighing the potential benefits against the possible risks and commitments. For researchers and healthcare providers, however, clinical trials are indispensable because they provide the evidence needed to determine whether new treatments are safe, effective and appropriate for widespread use.^1,2 Without carefully designed clinical research, healthcare providers would have far less reliable evidence to guide patient care, and promising new therapies could not become established standards of treatment.^3,4

While many trials involve only minor discomfort, some participants may experience side effects or complications that require medical attention.³ It's also possible that the treatment being studied will prove no more effective than the current standard of care.⁵ Depending on the study, participation may require additional appointments, testing or follow-up beyond what standard treatment involves.³

Multiple safeguards are in place to help participants make informed decisions and protect their well-being throughout the research process. Before enrolling, every participant completes an informed consent process explaining the study's purpose, procedures, potential benefits and possible risks, and participants may withdraw from the study at any time.³ Institutional Review Boards (IRBs) evaluate clinical trial protocols to help ensure that participants' rights and safety remain protected,⁷ while the FDA oversees clinical trials to confirm they meet federal requirements and established standards for ethical research.²

The Future of Research: Benefits of Decentralized Clinical Trials

For many people, participating in a clinical trial has traditionally meant repeated trips to a hospital or research center—an expectation that can make participation difficult or impossible. Decentralized clinical trials are changing that model by allowing some study activities to take place remotely through telehealth visits, local healthcare providers or in-home services.⁸

That flexibility has the potential to make clinical research more inclusive. People who live far from major medical centers, have limited mobility or balance demanding work and family responsibilities may find it easier to participate when travel requirements are reduced.⁸ As participation becomes more accessible, researchers can enroll volunteers from a broader range of communities, producing findings that better reflect the populations modern healthcare serves.⁹ In a recent analysis of more than 1,300 decentralized clinical trials, researchers found that this approach can expand participant representation by reducing geographic barriers to enrollment.¹⁰

Help Shape the Future of Public Health

Clinical trials demonstrate how careful research leads to better healthcare. They also highlight the growing need for public health professionals who can interpret evidence, improve health systems and help communities respond to evolving challenges.

Kent State University's online Bachelor of Science in Public Health program prepares you to understand the science behind disease prevention while developing practical skills in epidemiology, biostatistics, health policy, environmental health and the social and behavioral sciences. Whether you're beginning your career or advancing from an allied health role, you'll gain the knowledge needed to contribute to healthier communities through evidence-based practice.

With the flexibility to learn online, you can continue working while preparing for new opportunities in public health. Review the admissions requirements, contact us with any questions or schedule a call with an admissions outreach advisor to learn more about the online BS in Public Health and the opportunities it can help you pursue.