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    US Clinical Trials Market

    ID: MRFR/HS/14199-HCR
    128 Pages
    Garvit Vyas
    September 2025

    United States Clinical Trials Market Research Report Information By Phase (Phase 1, Phase 2, Phase 3, and Phase 4), By Study Design (Observational, Interventional, and Expanded Access), By Application (Vaccine, Cell & Gene Therapy, Small Molecules, and Other Applications), By Indication (Autoimmune/Inflammation (Rheumatoid arthritis, Multiple Sclerosis, Osteoarthritis, Irritable Bowel Syndrome (IBS), Others), Pain Management (Chronic Pain, Acute Pain), Oncology (Blood Cancer, Solid Tumors, Other), CNS Condition (Epilepsy, Parkinson's...

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    US Clinical Trials Market Research Report — Global Forecast till 2034 Infographic
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    Table of Contents

    US Clinical Trials Market Summary

    The United States clinical trials market is projected to grow significantly over the next decade.

    Key Market Trends & Highlights

    US Clinical Trials Key Trends and Highlights

    • The market is valued at 27.7 USD billion in 2024 and is expected to reach 48.4 USD billion by 2035.
    • The compound annual growth rate (CAGR) for the market is estimated at 5.2 percent from 2025 to 2035.
    • This growth trajectory indicates a robust expansion in the clinical trials sector within the United States.
    • Growing adoption of innovative technologies due to increasing demand for personalized medicine is a major market driver.

    Market Size & Forecast

    2024 Market Size 27.7 (USD Billion)
    2035 Market Size 48.4 (USD Billion)
    CAGR (2025-2035) 5.2%

    Major Players

    Parexel, IQVIA, Kendle, Omnicare, Charles River Laboratory, Chiltern, Pharmaceutical Product Development, LLC

    US Clinical Trials Market Trends

      • Growing Clinical Trial Adoption and Outsourcing to Boost the Market Growth

    The purpose of clinical trials is to evaluate the safety, efficacy, and effectiveness of novel medications, preventative measures, and medical equipment. The trials are generally conducted while new drugs are being developed. The National Library of Medicine (NLM) supplied data that showed that in 2020, there were about 52,000 new studies registered with NLM (ClinicalTrials.gov), and by 2023 there were about 58,000. The NLM announced in January 2023 that there were 38,837 ongoing clinical trials in the US and 105,172 ongoing trials globally.

    The growing prevalence of chronic diseases worldwide is driving an increasing number of clinical trials for the development of various effective medicines, which is driving the growth of the United States clinical trials market. Moreover, clinical studies are quite intricate procedures. Research-based organizations can overlook or improperly carry out these procedures. Research-based firms contract with clinical research organizations (CROs) to conduct clinical trials, which they use to their advantage because CROs have deep subject matter expertise and top-notch facilities. This helps prevent errors coming from incorrect execution.

    Consequently, the factors influencing the size of the clinical trial market include the creation of affordable solutions and a reduction in CRO errors during the drug development process.

    It is anticipated that rising disease incidence and prevalence will further propel the clinical trial industry. The disease profile of the global population varies, with rising nations having the most diversified disease profiles. It is anticipated that this will help clinical trials for novel or uncommon diseases, which might not have found sponsors otherwise. A greater number of patients with a certain disease might encourage biopharmaceutical companies to increase their investment in clinical studies related to that disease.

    A diverse population would facilitate patient recruitment and expedite the clinical trial process. In the United States, rare diseases are classified as "Orphan diseases," and biopharmaceutical companies that fund clinical studies for orphan medications receive financial rewards for the endeavor. This pattern is probably going to benefit clinical studies for uncommon diseases, which will boost the market for clinical trials in the United States. Thus, driving the clinical trials market revenue.

    US Clinical Trials Market Drivers

    Market Segment Insights

    Get more detailed insights about US Clinical Trials Market Research Report — Global Forecast till 2034

    Regional Insights

    Key Players and Competitive Insights

    Leading market players are investing heavily in research and development in order to expand their product lines, which will help the clinical trials market grow even more. Market participants are also undertaking a variety of strategic activities to expand their footprint, with important market developments including new product launches, contractual agreements, mergers and acquisitions, higher investments, and collaboration with other organizations. To expand and survive in a more competitive and rising market climate, the clinical trials industry must offer cost-effective items.

    Major players in the clinical trials market are attempting to increase market demand by investing in research and development operations, including Parexel, IQVIA, Kendle, Omnicare, Charles River Laboratory, Chiltern, and Pharmaceutical Product Development, LLC.

    Key Companies in the US Clinical Trials Market market include

    Industry Developments

    March 2023: The clinical research division of Thermo Fisher Scientific, Pharmaceutical Product Development, LLC, has been acknowledged for excellence in the 2023 CRO Leadership Awards. These awards identify leaders in the industry based on a survey of pharmaceutical and biotech professionals for Clinical Leader and Life Science Leader magazines.

    July 2022: A strategic partnership between Labcorp and the MD Anderson Cancer Center Foundation Spain, a nonprofit dedicated to eradicating cancer and expanding access to early-phase clinical trials for cancer, was recently revealed. This agreement will give cancer clinical investigations at MD Anderson Cancer Center Foundation Spain priority and oversight by Labcorp Drug Development, providing a novel strategy for upcoming trials.

    Market Segmentation

    Clinical Trials Phase Outlook

    • Phase 1
    • Phase 2
    • Phase 3
    • Phase 4

    Clinical Trials Sponsor Outlook

    • Pharmaceutical & Biopharmaceutical Companies
    • Medical Device Companies
    • Others

    Clinical Trials End-User Outlook

    • Hospital
    • Laboratories
    • Clinics

    Clinical Trials Indication Outlook

    • Rheumatoid arthritis
    • Multiple Sclerosis
    • Osteoarthritis
    • Irritable Bowel Syndrome (IBS)
    • Others
    • Chronic Pain
    • Acute Pain
    • Blood Cancer
    • Solid Tumors
    • Other
    • Epilepsy, Parkinson's Disease (PD)
    • Huntington's Disease
    • Stroke
    • Traumatic Brain Injury (TBI)
    • Amyotrophic Lateral Sclerosis (ALS)
    • Muscle Regeneration
    • Obesity
    • Cardiovascular

    Clinical Trials Application Outlook

    • Vaccine
    • Cell & Gene Therapy
    • Small Molecules
    • Other Applications

    Clinical Trials Service Type Outlook

    Bioanalytical Testing Services
    • Cell-based Assays
    • Virology Testing
    • Method Development, Optimization, & Validation
    • Serology, Immunogenicity, & Neutralizing Antibodies
    • Biomarker Testing Services
    • PK/PD (Pharmacokinetics/Pharmacodynamics) Testing Services
    • Other Bioanalytical Testing Services

    Clinical Trials Study Design Outlook

    • Observational
    • Interventional
    • Expanded Access

    Report Scope

    Report Attribute/Metric Details
    Market Size 2024   27.71 (USD Billion)
    Market Size 2025   29.15 (USD Billion)
    Market Size 2034   46.01 (USD Billion)
    Compound Annual Growth Rate (CAGR)    5.20 % (2025 - 2034)
    Report Coverage Revenue Forecast, Competitive Landscape, Growth Factors, and Trends
    Base Year 2024
    Market Forecast Period 2025 - 2034
    Historical Data 2020 - 2024
    Report Coverage Revenue Forecast, Market Competitive Landscape, Growth Factors, and Trends
    Segments Covered Phase, Study Design, Application Indication, Sponsor, Service Type, End-User, and Region
    Countries Covered United States
    Key Companies Profiled Parexel, IQVIA, Kendle, Omnicare, Charles River Laboratory, Chiltern, Pharmaceutical Product Development, LLC
    Key Market Opportunities ·         Increase in clinical trial financing from both public and private sources
    Key Market Dynamics ·         Rising incidence of chronic diseases ·         Escalating need for CROs to handle clinical trial outsourcing

     

    Market Highlights

    Author
    Garvit Vyas
    Analyst

    Explore the profile of Garvit Vyas, one of our esteemed authors at Market Research Future, and access their expert research contributions in the field of market research and industry analysis

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    FAQs

    How much is the clinical trials market?

    The United States Clinical Trials market size was valued at USD 27.71 Billion in 2024.

    What is the growth rate of the clinical trials market?

    The market is projected to grow at a CAGR of 5.20% during the forecast period, 2025-2034.

    Who are the key players in the clinical trials market?

    The key players in the market are Parexel, IQVIA, Kendle, Omnicare, Charles River Laboratory, Chiltern, and Pharmaceutical Product Development, LLC, among others.

    Which sponsor led the clinical trials market?

    The Pharmaceutical & Biopharmaceutical Companies category dominated the market in 2024.

    Which indication had the largest market share in the clinical trials market?

    The oncology category had the largest share of the market.

    What is the expected market size of the US Clinical Trials Market in 2024?

    The US Clinical Trials Market is expected to be valued at 14.1 billion USD in 2024.

    What will be the estimated market value of the US Clinical Trials Market by 2035?

    By 2035, the US Clinical Trials Market is projected to reach a value of 23.5 billion USD.

    What is the expected CAGR for the US Clinical Trials Market from 2025 to 2035?

    The US Clinical Trials Market is expected to witness a CAGR of 4.753% from 2025 to 2035.

    Which segment of the US Clinical Trials Market is estimated to be the largest in 2024?

    The Phase III segment is estimated to be the largest, valued at 4.2 billion USD in 2024.

    What is the projected market value for Phase I of the US Clinical Trials Market in 2035?

    The Phase I segment is projected to be valued at 5.8 billion USD by 2035.

    Who are the major players in the US Clinical Trials Market?

    Key players include Syneos Health, Worldwide Clinical Trials, and PAREXEL International among others.

    What is the expected market size for Phase IV in the US Clinical Trials Market in 2024?

    Phase IV is expected to be valued at 3.6 billion USD in 2024.

    What are the market growth drivers for the US Clinical Trials Market?

    Key growth drivers include advancements in technology and the increasing complexity of clinical trials.

    What challenges does the US Clinical Trials Market currently face?

    Challenges include regulatory hurdles and the rising costs of conducting trials.

    What is the expected market size for Phase II in 2035?

    Phase II is projected to reach a market value of 4.5 billion USD by 2035.

    1. EXECUTIVE SUMMARY
    2. MARKET INTRODUCTION
      1. Definition
      2. Scope of the Study
        1. Research Objective
        2. Assumptions
        3. Limitations
    3. RESEARCH METHODOLOGY
    4. Overview
      1. Data Mining
      2. Secondary Research
      3. Primary Research
        1. Primary Interviews and Information Gathering Process
        2. Breakdown
    5. of Primary Respondents
      1. Forecasting Model
      2. Market Size Estimation
        1. Bottom-Up Approach
        2. Top-Down Approach
      3. Data Triangulation
      4. Validation
    6. MARKET DYNAMICS
      1. Overview
      2. Drivers
      3. Restraints
      4. Opportunities
    7. MARKET FACTOR ANALYSIS
    8. Value Chain Analysis
      1. Porter’s Five Forces Analysis
        1. Bargaining
    9. Power of Suppliers
      1. Bargaining Power of Buyers
        1. Threat of
    10. New Entrants
      1. Threat of Substitutes
        1. Intensity of Rivalry
      2. COVID-19 Impact Analysis
        1. Market Impact Analysis
    11. Regional Impact
      1. Opportunity and Threat Analysis
    12. UNITED STATES
    13. CLINICAL TRIALS MARKET, BY PHASE
      1. Overview
      2. Phase 1
    14. Phase 2
      1. Phase 3
      2. Phase 4
    15. UNITED STATES CLINICAL TRIALS
    16. MARKET, BY STUDY DESIGN
      1. Overview
      2. Observational
      3. Interventional
      4. Expanded Access
    17. UNITED STATES CLINICAL TRIALS MARKET, BY APPLICATION
      1. Overview
      2. Vaccine
      3. Cell & Gene Therapy
      4. Small
    18. Molecules
      1. Other Applications
    19. UNITED STATES CLINICAL TRIALS MARKET,
    20. BY INDICATION
      1. Overview
      2. Autoimmune/Inflammation
    21. Rheumatoid arthritis
      1. Multiple Sclerosis
        1. Osteoarthritis
        2. Irritable Bowel Syndrome (IBS)
        3. Others
      2. Pain Management
        1. Chronic Pain
        2. Acute Pain
      3. Oncology
    22. Blood Cancer
      1. Solid Tumors
        1. Other
      2. CNS Condition
        1. Epilepsy, Parkinson's Disease (PD)
        2. Huntington's Disease
        3. Stroke
        4. Traumatic Brain Injury (TBI)
        5. Amyotrophic
    23. Lateral Sclerosis (ALS)
      1. Muscle Regeneration
        1. Others
    24. Diabetes
      1. Obesity
      2. Cardiovascular
      3. Others
    25. UNITED
    26. STATES CLINICAL TRIALS MARKET, BY SPONSOR
      1. Overview
      2. Pharmaceutical
    27. & Biopharmaceutical Companies
      1. Medical Device Companies
    28. Others
    29. UNITED STATES CLINICAL TRIALS MARKET, BY SERVICE TYPE
    30. Overview
      1. Protocol Designing
      2. Patient Recruitment
    31. Laboratory Services
      1. Site Identification
      2. Bioanalytical Testing
    32. Services
      1. Cell-based Assays
        1. Virology Testing
    33. Method Development, Optimization, & Validation
      1. Serology, Immunogenicity,
    34. & Neutralizing Antibodies
      1. Biomarker Testing Services
    35. PK/PD (Pharmacokinetics/Pharmacodynamics) Testing Services
      1. Other Bioanalytical
    36. Testing Services
      1. Analytical Testing Services
      2. Clinical Trial
    37. Supply & Logistic Services
      1. Clinical Trial Data Management Services
      2. Decentralized Clinical Services
      3. Medical Device Testing Services
      4. Others
    38. UNITED STATES CLINICAL TRIALS MARKET, BY END-USER
    39. Overview
      1. Hospital
      2. Laboratories
      3. Clinics
    40. COMPETITIVE LANDSCAPE
      1. Overview
      2. Competitive Analysis
    41. Market Share Analysis
      1. Major Growth Strategy in the United States Clinical
    42. Trials Market,
      1. Competitive Benchmarking
      2. Leading Players in
    43. Terms of Number of Developments in the United States Clinical Trials Market,
      1. Key Developments and Growth Strategies
        1. New Product Launch/Service
    44. Deployment
      1. Merger & Acquisitions
        1. Joint Ventures
      2. Major Players Financial Matrix
        1. Sales & Operating Income,
        2. Major Players R&D Expenditure. 2023
    45. COMPANY PROFILES
      1. Parexel
        1. Company Overview
        2. Financial Overview
        3. Products Offered
        4. Key Developments
        5. SWOT Analysis
        6. Key Strategies
      2. IQVIA
        1. Company Overview
    46. Financial Overview
      1. Products Offered
        1. Key Developments
        2. SWOT Analysis
        3. Key Strategies
      2. Kendle
    47. Company Overview
      1. Financial Overview
        1. Products Offered
        2. Key Developments
        3. SWOT Analysis
        4. Key Strategies
      2. Omnicare
        1. Company Overview
        2. Financial Overview
        3. Products Offered
        4. Key Developments
        5. SWOT Analysis
        6. Key Strategies
      3. Charles River Laboratory
        1. Company
    48. Overview
      1. Financial Overview
        1. Products Offered
    49. Key Developments
      1. SWOT Analysis
        1. Key Strategies
    50. Chiltern
      1. Company Overview
        1. Financial Overview
    51. Products Offered
      1. Key Developments
        1. SWOT Analysis
    52. Key Strategies
      1. Pharmaceutical Product Development, LLC.
    53. Company Overview
      1. Financial Overview
        1. Products Offered
        2. Key Developments
        3. SWOT Analysis
        4. Key Strategies
    54. APPENDIX
      1. References
      2. Related Reports
    55. (USD BILLION)
    56. (USD BILLION)
    57. 2032 (USD BILLION)
    58. 2032 (USD BILLION)
    59. 2032 (USD BILLION)
    60. 2032 (USD BILLION)
    61. TYPE, 2019-2032 (USD BILLION)
    62. BY END-USER, 2019-2032 (USD BILLION)
    63. PROCESS
    64. UNITED STATES CLINICAL TRIALS MARKET, SHARE (%), BY PHASE, 2023
    65. UNITED STATES CLINICAL TRIALS MARKET, SHARE (%), BY STUDY DESIGN, 2023
    66. UNITED STATES CLINICAL TRIALS MARKET, SHARE (%), BY APPLICATION, 2023
    67. UNITED STATES CLINICAL TRIALS MARKET, SHARE (%), BY INDICATION, 2023
    68. UNITED STATES CLINICAL TRIALS MARKET, SHARE (%), BY SPONSOR, 2023
    69. UNITED STATES CLINICAL TRIALS MARKET, SHARE (%), BY SERVICE TYPE, 2023
    70. UNITED STATES CLINICAL TRIALS MARKET, SHARE (%), BY END-USER, 2023
    71. UNITED STATES CLINICAL TRIALS MARKET: COMPANY SHARE ANALYSIS, 2023 (%)
    72. PAREXEL: FINANCIAL OVERVIEW SNAPSHOT
    73. ANALYSIS
    74. OVERVIEW SNAPSHOT
    75. PRODUCT DEVELOPMENT, LLC.: FINANCIAL OVERVIEW SNAPSHOT
    76. PRODUCT DEVELOPMENT, LLC.: SWOT ANALYSIS

    US Clinical Trials Market Segmentation

    Market Segmentation Overview

    • Detailed segmentation data will be available in the full report
    • Comprehensive analysis by multiple parameters
    • Regional and country-level breakdowns
    • Market size forecasts by segment
    Report Infographic
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