U.S. Clinical Trials Support Services Market Size to Hit USD 22.22 Bn by 2034

According to latest report, the U.S. Clinical Trials Support Services market size was USD 10.19 billion in 2024, calculated at USD 11.02 billion in 2025 and is expected to reach around USD 22.22 billion by 2034, expanding at a CAGR of 8.11% from 2025 to 2034.

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U.S. Clinical Trials Support Services Market Key Takeaways

•  The basis of phases segment, the market includes phase I, phase II, phase III & phase IV. In 2024, the phase III segment dominated the market, accounting for a revenue share of 48.43%.

•  The phase I segment is anticipated to register the fastest CAGR of 9.17% during the forecast period.

•  The basis of phases segment, the market includes phase I, phase II, phase III & phase IV. In 2024, the phase III segment dominated the market, accounting for a revenue share of 50.43%.

•  The phase I segment is anticipated to register the fastest CAGR of 9.18% during the forecast period.

•  The Clinical trial site management accounted for the largest market share of 42.73% in 2024.

•  The pharmaceutical & biopharmaceutical companies' segment dominated the market with the largest revenue share of 61.80% in 2024.

•  The medical device companies’ segment is anticipated to show lucrative growth CAGR 7.01% during the forecast period.

Growth In R&D And Uptake In Clinical Trials Driving Demand

The market has evolved to host sophisticated medical trials characterized by complex protocols, the involvement of diverse patient populations, and stringent compliance with regulatory standards. This growing complexity necessitates the implementation of specialized support services tailored to streamline processes. Pharmaceutical and biotechnology firms are responding to this need with substantial investments in research and development, which has culminated in an increase in the quantity and scope of clinical trials conducted. A notable trend within these trials is the emphasis on patient-centered approaches that prioritize the needs and experiences of participants.

Consequently, there is an escalating demand for specialized services focused on patient recruitment, retention, and engagement strategies.  Additionally, there has been a notable rise in the prevalence of Contract Research Organizations (CROs), which are dedicated to managing clinical trials on behalf of sponsors. This surge further drives the necessity for comprehensive support services. Emerging economies in the Americas present large and diverse patient pools, coupled with cost-effective solutions that significantly contribute to the overall growth of the U.S. clinical trial support service market.  Advancements in technology are revolutionizing various aspects of clinical trials, particularly in data management, remote monitoring, and electronic data capture. These innovations are streamlining trial processes and heightening the demand for related support services. The increasing incidence of chronic diseases worldwide also amplifies the urgency for new and effective treatments, thereby propelling clinical trial activities.  Navigating the stringent regulatory landscape surrounding clinical trials necessitates specialized support services focused on compliance and meticulous data management.

U.S. Clinical Trials Support Services Market Trends

Patient-Centricity - Modern clinical trials are increasingly focused on enhancing the experience of participants, placing a strong emphasis on patient-centric design. This approach prioritizes the needs and preferences of patients throughout the trial process. Decentralized clinical trials (DCTs) are a significant aspect of this trend, enabling participants to engage from the comfort of their homes, reducing the burden of travel and time away from daily activities. Enhanced strategies for patient recruitment and retention are essential to this model, leveraging targeted outreach and tailored communication. Furthermore, there is a growing reliance on patient-reported outcomes, which provide invaluable insights into the efficacy and side effects of treatments directly from the patient's perspective.

Decentralized Clinical Trials - DCTs are rapidly evolving, largely propelled by advancements in technology and an increasing demand for patient accessibility. These trials facilitate remote monitoring and data collection through innovative digital health components, such as wearable devices and mobile health applications. Patients can receive medications directly at their homes, minimizing the need for traditional clinical site visits. This shift not

•  Digitalization- The digital transformation of clinical trials is marked by the adoption of cutting-edge technologies, including artificial intelligence (AI) and machine learning, which revolutionize data analysis and patient recruitment processes. The implementation of electronic data capture systems ensures real-time, accurate data collection, while cloud-based platforms streamline data management and facilitate collaboration among research teams. Moreover, the utilization of real-world data

•  Data Management and Analytics - As the scale of clinical trials continues to expand, the volume of data generated has increased dramatically, leading to an urgent demand for proficient data management and analytical services. Advanced analytics techniques are being employed to uncover trends and derive insights that can inform clinical decision-making and streamline operational efficiency. With a heightened focus on data security and compliance, organizations must implement robust data governance frameworks that safeguard patient information while adhering to regulatory requirements, thereby fostering trust and integrity within the research process.

AI Integration In The U.S. Clinical Trials Support Services Market

The integration of artificial intelligence (AI) into these processes is proving transformative. AI algorithms can efficiently analyze extensive datasets to pinpoint potential trial participants who meet specific criteria, significantly enhancing the speed and effectiveness of recruitment efforts.  Furthermore, AI-powered tools facilitate outreach to diverse patient populations, addressing a critical gap in traditional clinical trial methodologies. Automation of data entry, cleansing, and analysis through AI reduces the likelihood of human error while significantly conserving time and resources. Machine learning algorithms can uncover patterns and insights in clinical trial data that might otherwise go unnoticed by human analysts.

 In the real-time monitoring of clinical trial data, AI plays a pivotal role by identifying potential risks and issues early in the process. This proactive monitoring allows for timely interventions, which ultimately enhances patient safety. AI technologies also enable the execution of virtual trials and remote monitoring, allowing participants to engage in trials from the comfort and convenience of their homes. This not only increases patient accessibility but also alleviates the burden on trial sites.  Moreover, AI is instrumental in the initial stages of drug development by identifying promising drug targets and predicting the efficacy of new compounds. This capability has the potential to accelerate the drug development timeline significantly while also reducing costs through automation and enhanced operational efficiency. Overall, the integration of AI into clinical trials serves to lower the overall expenses associated with these vital research endeavors.

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U.S. Clinical Trials Support Services Market Report Scope

Report Attribute

Details

Market size value in 2025

USD 11.02 billion

Revenue forecast in 2034

USD 22.22 billion

Growth rate

CAGR of 8.11% from 2025 to 2034

Actual data

2018 - 2024

Forecast period

2025 - 2034

Quantitative units

Revenue in USD million/billion and CAGR from 2025 to 2034

Report coverage

Revenue forecast, company ranking, competitive landscape, growth factors, and trends

Segments covered

Phases, service, sponsor,

Key companies profiled

Charles River Laboratories International, Inc., Wuxi Apptec, Inc, Iqvia Holdings, Inc, Syneos Health, Inc., Eurofins Scientific, PPD, Inc. (Pharmaceutical Product Development), Icon Plc, Laboratory Corporation Of America Holdings (Labcorp), Alcura, Parexel International Corporation

 

Clinical Trials Support Services Market Segment Insights

Service Insights

The U.S. clinical trial support service market is divided into several key service segments, including clinical trial site management, patient recruitment management, data management, administrative support, institutional review board (IRB) services, and various other functions. Among these segments, clinical trial site management holds the largest share of the market. This particular service provides essential operational and administrative support to clinical investigators conducting research at trial sites. Factors driving the growth of this market include the increasing number of clinical trials being initiated, a surge in chronic disease prevalence, and an uptick in the number of Contract Research Organizations (CROs) that are expanding their service offerings. The incorporation of advanced technologies, such as Artificial Intelligence (AI) and Machine Learning (ML), into data entry, analysis, and quality control processes is significantly enhancing the demand for these services, ensuring more efficient and reliable outcomes in clinical research.

Phase Insights

When examining the market by phase, the Phase III segment is prominent, commanding a substantial portion of the U.S. clinical trials support services market share. This is primarily due to the characteristics of Phase III trials, which are known to be the most resource-intensive and costly among all clinical trial phases. They typically involve a large number of participants, which increases the complexity and overall risk of failure; this is attributed to the higher sample sizes required and the sophisticated study designs that must carefully manage dosing to ensure optimal results. These trials are meticulously designed studies that involve human participants and are conducted in several phases to assess various factors, such as dosage, side effects, and overall therapeutic benefits. The data collected from these trials are essential for regulatory approval and are critical in informing healthcare providers and patients about the potential benefits and risks associated with new medications.

 Conversely, the Phase I segment is predicted to experience the most rapid growth during the forecast period. Support services for Phase I trials consist of critical tasks such as managing sample collection, conducting early patient screening, ensuring efficient data management, and redesigning assays. The strong demand for these services signifies a burgeoning market, particularly in countries where the infrastructure for conducting early-phase clinical trials is being developed or enhanced. Additionally, rapid technological advancements in the fields of drug discovery and development are playing a crucial role in driving this segment forward.

 Sponsor Insights 

From the perspective of sponsorship, pharmaceutical and biopharmaceutical companies represent the dominant segment, commanding the largest revenue share in this market. This dominance can largely be tied to escalating investments in research and development (R&D) and the continuous introduction of innovative drugs, a trend that has notably intensified over the past two decades.

In addition, the segment comprising medical device companies is anticipated to witness significant growth in the coming years. Traditionally, these manufacturers have been considered minor customers within the clinical research landscape, where clinical trial sites predominantly concentrate on the more lucrative fields of biotechnology and pharmaceuticals, along with foundational research. However, as the market evolves, the demand from medical device manufacturers is expected to shape new opportunities within clinical trial support services.

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Related reports

U.S. Clinical Trials Support Services Market Top Key Companies:

•  Charles River Laboratories International, Inc.

•  Wuxi Apptec, Inc

•  Iqvia Holdings, Inc

• Syneos Health, Inc.

•  Eurofins Scientific

•  PPD, Inc. (Pharmaceutical Product Development)

•  Icon Plc

•  Laboratory Corporation of America Holdings (Labcorp)

•  Alcura

•  Parexel International Corporation

Recent Developments

•  In October 2024, Oracle Life Sciences announced the launch of two services, Oracle Site Feasibility, and Oracle Patient Recruitment Cloud Services, to help reduce the cost and difficulties of clinical trials. 

• In January 2025, Hawthorne Health, the leader in community trial delivery, and RxE2, a pioneer in pharmacist-led clinical trial services, announced their partnership to change community-based clinical trial delivery.

U.S. Clinical Trials Support Services Market Report Segmentation

This report forecasts revenue growth at and country levels and provides an analysis of the latest industry trends in each of the sub-segments from 2019 to 2034. For this study, Statifacts has segmented the global U.S. Clinical Trials Support Services Market

By Phases

•  Phase I

o Clinical Trial Site Management

o Patient Recruitment Management

o Patient recruitment & Registry Services

o Patient retention

o Others

o Data Management

o Administrative Staff

o IRB

o Others

• Phase II

o Clinical Trial Site Management

o Patient Recruitment Management

o Patient recruitment & Registry Services

o Patient retention

o Others

o Data Management

o Administrative Staff

o IRB

o Others

•              Phase III

o Clinical Trial Site Management

o Patient Recruitment Management

o Patient recruitment & Registry Services

o Patient retention

o Others

o Data Management

o Administrative Staff

o IRB

o Others

•  Phase IV

o Clinical Trial Site Management

o Patient Recruitment Management

o Patient recruitment & Registry Services

o Patient retention

o Others

o Data Management

o Administrative Staff

o IRB

o Others

By Service

•  Clinical Trial Site Management

•  Patient Recruitment Management

o Patient recruitment & Registry Services

o Patient retention

o Others

•  Data Management

•  Administrative Staff

•  IRB

•  Others

By Sponsor

•  Pharmaceutical & biopharmaceutical companies

•  Medical device companies

•  Others

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