A Complete Overview of the Clinical Research Process

Clinical research is the foundation of modern medicine. Before any drug, medical device, therapeutic intervention, or other investigative product becomes available it must go through a rigorous process designed to ensure ethical integrity, safety, and effectiveness. For healthcare providers and organizations, understanding how this process works can be a huge benefit. It is not just an academic initiative, it also opens the door to research as an expanded service, research as an additional revenue stream, and contributing to medical innovation.

This guide provides a clear overview of the clinical research process, the key players involved, and where opportunities exist for providers to get involved.

Why Clinical Research Matters

Those unfamiliar with clinical research can be surprised by all it entails. Clinical research is one of the major drivers for medical innovation and it intersects with patient care and healthcare economics. 

Breakthroughs are made in clinical research. New treatments are tested, improved medical devices are investigated, and better patient outcomes are validated. This comes at a cost, it can be a complex and resource-intensive process. This results in high costs and significant financial investment to move a product forward. The high cost is accompanied by a long timelines, years or decades, to get an investigational product approved.

The process is complex as well. It is necessary to coordinate efforts from multiple stakeholders and to make sure they are following strict regulations. The whole time ensuring that patient safety is the priority at every step. Understanding this complex ecosystem is the first step toward participating in it.

Key Players in Clinical Research

There are several key stakeholders that must work in coordination to drive clinical research. Each stakeholder has a unique role to support the research from regulatory oversight, initiation and funding, and the individuals that conduct the actual research. 

Regulatory Authorities

In the United States, the Food and Drug Administration (FDA) oversees the approval and regulation of drugs, biologics, and medical devices. The FDA is responsible for making sure that any clinical trials are conducted safely, the data is scientifically valid, and that the products meet necessary regulatory standards before approval. International standards also outline Good Clinical Practice (GCP) that ensure the studies involving humans meet ethical and scientific quality requirements. The different clinical trial stakeholders ultimately report to the FDA or equivalent regulatory bodies. 

Sponsors

Sponsors are the organizations that develop the new drugs, therapies, devices, or other investigational products that they want to take to market. These organizations can include Pharmaceutical, Biotechnology, Medical Device Companies, and Academic Institutions. They are responsible for the development of the investigational product and fund the clinical trials. 

Their goal in the clinical trials is to develop a safe and effective product, test and validate it with high quality clinical data, and obtain regulatory approval to take the investigational product to market. In support of this, sponsors develop a detailed study protocol for investigative sites to follow. This will outline the objectives, eligibility criteria, procedures, and timelines of the study

There are several steps to this process including preclinical data and a proposal for human trials. Sponsors must submit an Investigational New Drug (IND) application or its equivalent to regulatory authorities. Through the clinical trials, the sponsors are hoping to submit a New Drug Application (NDA) or its equivalent to take their product to market. 

The scale and complexity of the different processes involved make it so that a sponsor could not do this all on their own. Thus the sponsors rely on external partners to execute clinical trials.

Institutional Review Boards (IRBs)

An Institutional Review Board (IRB) serves as an independent ethics committee that are responsible for protecting the rights and welfare of human research participants. IRBs are often found at institutions of higher education as well. 

Before any clinical trial begins, the IRB must review the study protocol, evaluate the risks and benefits of the study, and ensure the human research participants are clearly and ethically informed and consent to the investigation. 

While Sponsors may have IRBs that they regularly work, IRBs operate independently of sponsors and research sites, providing an essential safeguard for patient safety.

Investigative Sites 

Investigative sites are where clinical trials are actually conducted. They can include a variety of settings including hospitals, private practices, community-based practices, academic centers, and specialty clinics. There are key roles that exist at the investigative sites, common ones include: 

• Principal Investigators (PI): The physician or qualified individual responsible for overseeing the study and ensuring compliance 

• Clinical Research Coordinator (CRC): The professional who manages day-to-day study operations 

• Clinical Research Assistant (CRA): The professional that may support CRC and the day-today study operations.

• Patients: Volunteers who participate in the study 

Sites are often working in partnership or on contract from a sponsor to support the clinical trial studies. This leaves the site responsible for recruiting and enrolling patients, conducting study visits, collecting and entering data into electronic systems. They report the trial data to the sponsors for evaluation of the investigational product. 

The Clinical Trial Process: From Lab to Market

There is a structured, multi-phased pathway that clinical research must follow. These phases are designed to evaluate the safety and effectiveness of the investigational product over time. These phases include: 

1. Preclinical Research - Before human testing begins, researchers conduct laboratory and animal studies to assess basic safety and biological activity.

2. Phase 1 - First-in-Human Studies: Involves a small number of patients to focus on safety, dosing, and side effects of teh investigational product. Often conducted in health volunteers with exceptions such as in oncology. 

3. Phase 2 - Early Efficacy Studies: Conducted in a larger group of patients with the target condition to evaluates effectiveness of the investigational product and continues safety assessment 

4. Phase 3 - Large-Scale Confirmation: Involves larger patient populations across multiple sites to confirm effectiveness and monitors adverse effects. The data in this trial is used to support regulatory approval. At the end of this phase, the sponsor may submit a New Drug Application (NDA) for review.

5. Phase 4 - Post-Marketing Studies: Even after approval, research continues to monitor long-term safety, identify rare side effects, and explore additional uses for the product 

Why Clinical Trials Struggle to Succeed

Despite the structured process, there are bottlenecks that exist in clinical research. These challenges often slow down or kill the research. They can include: 

• Patient Recruitment and Retention - Finding and keeping qualified participants remains one of the most significant barriers. Many trials are delayed—or fail entirely—because they cannot recruit enough participants.

•  Administrative Burden on Sites - Running a clinical trial requires maintnnace of regulatory documentation, staff training, and ongoing compliance. Many practices may lack teh infrastructure necessary to manage this a full trial. 

• High Costs and Long Timelines - Clinical trials can take years and require substantial financial investment by the sponsors. This contributes to the overall cost of healthcare innovation.

• Fragmentation Across Vendors - Sponsors often rely on multiple vendors, which can lead to inefficiencies and communication gaps.

How Clinical Research Consulting Partners Help

For many providers, the barrier to entering clinical research is not interest, it’s infrastructure and complexity. This is were additional clinical research organizations, contractors, or consulting partners come into play. This includes

• Contract Research Organizations (CROs) are specialized partners that contract with sponsors to help manage and execute the clinical trials. 

• Site Management Organizations (SMOs) work with the investigative sites to provide specialized services and support for clinical trial

A boutique, full-service partner SMO such as TriStar Clinical Research Consulting, LLC can help with:

• Site setup and feasibility assessments 

• Regulatory submissions and compliance 

• Staff training and operational support 

• Patient recruitment strategies 

• Ongoing study management or a la carte services 

Rather than requiring practices to build everything from scratch, as partners we can provide a scalable way to participate in clinical research with reduced burden.

Bringing Clinical Research to Your Practice

Clinical research is no longer limited to large institutions. With the right support, you can actively participate in studies, contribute to innovation, and create new opportunities for your practice.

Whether you are exploring clinical research for the first time or looking to expand existing capabilities, having the right partner can make the process significantly more accessible. If you’re interested in learning how clinical research could fit into your organization, consider taking the next step.

Connect with our team to explore how we can help you establish or support clinical research at your site from initial setup to full trial management.