• Solutions
  • Main Menu
  • Solutions

    Explore end-to-end solutions throughout development — from portfolio optimization and regulatory strategy, to Phase I-IV clinical trials, market access planning, and more.

    See solutions

    WHAT WE DO
    • Portfolio management and asset valuation
    • Early development and innovation
    • Integrated clinical development
    • Approval and access
    • Value substantiation lifecycle management
    HOW WE DO IT
    • Delivery models
    • Operational excellence
    • Medical affairs
      Overview
    • Portfolio management and asset valuation

        Portfolio management and asset valuation

        Our team optimizes your portfolio utilizing integrated expert clinical, regulatory, and market access strategies, enabling earlier and more informed risk-reward decisions.

        Overview
      • Building patient insights into assets, profile and claims
      • Portfolio optimization
      • Asset valuation and indication prioritization
      • Early evidence review
      • Quantitative Clinical Pharmacology and Model-Informed Drug Development (MIDD)
      • Integrated development strategy and planning
    • Early development and innovation

        Early development and innovation

        Our multi-disciplinary early phase approach accelerates the path to proof of concept by integrating diverse expertise to optimize study design, generate robust clinical evidence, and reduce gaps between development phases.

        Overview
      • Phase I Clinical Trials
      • Site Alliance Network and KOL Engagement
      • Regulatory Strategy
      • Real World Evidence
      • Market Access Consulting, Strategy, and Delivery
      • Biomarker and Genomic Medicine Strategy
      • Integrated evidence generation planning
      • Medical Communications
    • Integrated clinical development

        Integrated clinical development

        We deliver whole-study solutions with integrated strategies that ensure safety, data integrity, and regulatory compliance. We design patient-informed protocols that remove participation barriers, accelerate enrollment, and increase the likelihood of successful drug launches.

        Overview
      • Phase IIB-IV Clinical Trials
      • Real World Evidence
      • Quantitative Clinical Pharmacology and Model-Informed Drug Development (MIDD)
      • Protocol-Driven, Customized Site Solution Strategy
      • Patient Inclusion
      • Regulatory Strategy, Submissions, Compliance, and Outsourcing
      • Market Access Strategy and Delivery
      • Clinical Development Technology Optimization
      • Clinical Trial Supply & Logistics
      • Integrated evidence generation planning
      • Medical Communications
      • Drug Safety and Pharmacovigilance
    • Approval and access

        Approval and access

        Our team of former regulators and HTA professionals provide tailored regulatory, compliance, and market access strategies across specialized therapeutic areas, creating customized pathways to maximize global market reach throughout your product's lifecycle.

        Overview
      • Global Regulatory Submissions and Outsourcing
      • Real World Evidence
      • Compliance and Risk Management
      • Market Access Strategy and Delivery
      • Integrated evidence generation planning
      • Medical Communications
      • Drug Safety and Pharmacovigilance
      • Health economics modelling and simulation
    • Value substantiation lifecycle management

        Value substantiation lifecycle management

        We enhance your product's value story through post-approval studies and holistic lifecycle management services that satisfy regulators and payers while building stakeholder trust and maximizing your drug's market impact throughout its entire lifecycle.

        Overview
      • Real-World Evidence, Market Access Strategy and Planning
      • Regulatory Compliance
      • Lifecycle Optimization
      • Integrated evidence generation planning
      • Medical Communications
    • FSP delivery models in clinical trials
        Overview
      • Gain an advantage through FSP
    • Operational excellence

        Operational excellence

        We bring together experienced cross-functional experts to implement best practices, process simplifications, and technology standardization that accelerate timelines and improve quality.

        Overview
      • Leveraging AI in clinical development
    • Medical affairs for clinical trials
  • Biotech
  • Main Menu
  • Biotech

    Get the personal, responsive, and committed approach of a small CRO, with all the benefits of a large CRO, to help you develop life-changing treatments for patients.

    Learn more

    PODCAST

    article-clinical-trialblazers-p.jpg

    Clinical Trialblazers

    Step into the world of biotech leaders and hear the untold stories behind their journeys to bring breakthrough innovations to life.

    Listen Now

  • Therapeutic Expertise
  • Main Menu
  • Therapeutic Expertise

    Utilize our expertise across therapeutic areas, combining innovative trial designs, leading clinical and regulatory expertise, global reach, and a passion for changing patient lives.

    See expertise

    THERAPEUTIC EXPERTISE
    • Neuroscience
    • General medicine
    • Infectious disease and vaccines
    • Inflammation and immunology
    • Oncology
    • Hematology
    CROSS-THERAPEUTIC EXPERTISE
    • Cell and gene therapies
    • Pediatrics
    • Rare diseases
      Overview
    • Cell and gene therapies
    • General medicine CRO

        General medicine

        Our team delivers high-quality clinical trials through forward-thinking medical expertise across multiple indications by combining strategic insight with operational excellence to support programs of all sizes.

        Overview
      • Gastroenterology CRO
      • Respiratory CRO
      • Endocrine & Metabolic CRO
      • Cardiovascular CRO
    • Infectious disease and vaccines

        Infectious disease and vaccines

        Our infectious disease and vaccines cro services help treat and prevent life-threatening illnesses. Learn how our team of experts can aid in any complex trial.

        Overview
      • Critical Care
      • Hepatitis B
      • Novel treatments in infectious disease
    • Inflammation and immunology

        Inflammation and immunology

        Discover our inflammation and immunology CRO services. We bring agile support and a unique MOA-driven model to inflammation and immunology.

        Overview
      • Ophthalmology CRO
      • Dermatology CRO
      • Allergy CRO
    • Oncology

        Oncology

        Parexel is a leading Oncology CRO with more than 80 ex-agency regulators and nearly 2,500 sites globally. Learn more about our oncology indications.

        Overview
      • Benign and malignant hematology
      • Gynecologic cancer CRO
      • Gastrointestinal cancers
      • Genitourinary cancers
      • Lung and head-and-neck cancer
      • Phase I and rare tumors
      • Breast Cancer CRO
      • Lung Cancer CRO
      • Head and Neck Cancer CRO
    • Neuroscience

        Neuroscience

        As a leading neuroscience CRO, we leverage global site relationships, specialized resources, and indication-specific expertise to accelerate breakthroughs in neurological and psychiatric treatments for patients worldwide.

        Overview
      • Neurology
      • Psychiatry
    • Pediatrics
    • Rare Diseases
    • Hematology CRO
    RELATED INSIGHTS

    Tightening rules, global trials: Sponsors’ concerns at ESMO 2025

    Learn more

    Do we still need broad patient representation in breast cancer trials? Absolutely.

    Learn more

  • Insights
  • Main Menu
  • Insights

    Our experts help you stay at the forefront of the industry — and ahead of change.

    Learn more

    NEW MEDICINES, NOVEL INSIGHTS
    • New frontiers in neuroscience
    • Precision oncology
    • Rare disease drug development
    • Cell and gene therapy development
    • Patient-guided drug development
    FEATURED INSIGHTS
    • Clinical Trialblazers Podcast
    • The Regulatory Navigator
    • On The Pulse
    RECENT INSIGHTS
    article-biopharm-talent.jpg
    Biopharm workforce report

    Optimizing the clinical research workforce: An industry analysis by Parexel

    Learn more


    Powered by people

    At the heart of Parexel sits the world’s most unique insight-generation engine: our people.

    Learn more

  • Participate
  • Main Menu
  • Participate

    Thinking about joining a clinical trial? Learn the drug development process, what it’s like to participate, how to find a trial, and answers to frequently asked questions.

    Learn more

    INTERESTED IN PARTICIPATING?
    • Healthy volunteers
    • Patient volunteers
    • Patient advocacy groups
    TRIAL SITES
    • Baltimore
    • Los Angeles
    • London
    • Berlin
      Overview
    • Patient volunteers

        Patient volunteers

        Clinical trials provide patients with access to innovative investigational treatments that advance medical research. Participation requires careful consideration that weighs both the benefits and risks.

        Overview
      • Advisory Council
    • Healthy volunteers
    • Patient advocacy groups
    • Patient stories
        Overview
      • Andrea & David's Story
      • Stacy's Story
      • Anisha's Story
      • Rob's Story
    HEAR FROM REAL PATIENTS

    article-patient-stories.jpg

    Patient Stories

    Clinical study participation represents a deeply personal decision with potentially far-reaching impact, as evidenced by these inspiring individual stories that highlight both the life-changing potential for participants and the broader advancement of healthcare for all.

    Learn more

  • Sites
  • Main Menu
  • Sites

    Want to collaborate with us to offer clinical trials at your site? We would welcome the opportunity to discuss.

    Learn more

    AWARD-WINNING-PARTNERS

    article-scrs-eagle-award.jpg

    Enabling successful sites

    Our Enabling Successful Sites thought leadership series pairs site representatives with clinical operations experts to identify root causes of investigative site challenges and develop collaborative solutions.

    Learn more

  • About
  • Main Menu
  • About

    We are one of the largest CROs in the world, speeding life-changing medicine to market by engaging patients With Heart™. Learn about who we are, what we do, and what we believe.

    About Parexel

    • Leadership team
    • Global reach
    • Our inclusion strategy
    • Our ESG strategy
    • Compliance, tax & privacy
    • Meet us at an event
      Overview
    • Leadership team

        Leadership team

        With decades of biopharmaceutical leadership experience and a deep dedication to patients, our executive team drives us forward in delivering better trials, faster.

        Overview
      • Board of Directors
    • Global reach
    • Our Inclusion Strategy
    • Our ESG strategy
    • Compliance, tax & privacy

        Compliance, tax & privacy

        Find key information on our policies, strategies, pay data, and more.

        Overview
      • Compliance & Ethics
      • Tax Strategy
      • Privacy Policy
      • Cookies and other web tracking
      • Supplier Data Privacy Requirements
      • Terms of Use
      • French Gender Pay Data
      • UK Gender Pay Data
      • UK Modern Slavery Act Statement
      • Ireland Gender Pay Data
      • Supplier Inclusion Policy
    • Meet us at an event
        Overview
  • Newsroom
  • Academy
  • Careers
  • 中国 (China)
  • 日本 (Japan)
  • Contact Us
  • Main Menu
  • Newsroom
  • Academy
  • Careers
  • 中国China
  • 日本Japan
  • Contact Us
  • Solutions
  • Biotech
  • Therapeutic Expertise
  • Insights
  • Participate
  • Sites
  • About

Solutions

Explore end-to-end solutions throughout development — from portfolio optimization and regulatory strategy, to Phase I-IV clinical trials, market access planning, and more.

See solutions

WHAT WE DO
  • Portfolio management and asset valuation
  • Early development and innovation
  • Integrated clinical development
  • Approval and access
  • Value substantiation lifecycle management
HOW WE DO IT
  • Delivery models
  • Operational excellence
  • Medical affairs
    Overview
  • Portfolio management and asset valuation

      Portfolio management and asset valuation

      Our team optimizes your portfolio utilizing integrated expert clinical, regulatory, and market access strategies, enabling earlier and more informed risk-reward decisions.

      Overview
    • Building patient insights into assets, profile and claims
    • Portfolio optimization
    • Asset valuation and indication prioritization
    • Early evidence review
    • Quantitative Clinical Pharmacology and Model-Informed Drug Development (MIDD)
    • Integrated development strategy and planning
  • Early development and innovation

      Early development and innovation

      Our multi-disciplinary early phase approach accelerates the path to proof of concept by integrating diverse expertise to optimize study design, generate robust clinical evidence, and reduce gaps between development phases.

      Overview
    • Phase I Clinical Trials
    • Site Alliance Network and KOL Engagement
    • Regulatory Strategy
    • Real World Evidence
    • Market Access Consulting, Strategy, and Delivery
    • Biomarker and Genomic Medicine Strategy
    • Integrated evidence generation planning
    • Medical Communications
  • Integrated clinical development

      Integrated clinical development

      We deliver whole-study solutions with integrated strategies that ensure safety, data integrity, and regulatory compliance. We design patient-informed protocols that remove participation barriers, accelerate enrollment, and increase the likelihood of successful drug launches.

      Overview
    • Phase IIB-IV Clinical Trials
    • Real World Evidence
    • Quantitative Clinical Pharmacology and Model-Informed Drug Development (MIDD)
    • Protocol-Driven, Customized Site Solution Strategy
    • Patient Inclusion
    • Regulatory Strategy, Submissions, Compliance, and Outsourcing
    • Market Access Strategy and Delivery
    • Clinical Development Technology Optimization
    • Clinical Trial Supply & Logistics
    • Integrated evidence generation planning
    • Medical Communications
    • Drug Safety and Pharmacovigilance
  • Approval and access

      Approval and access

      Our team of former regulators and HTA professionals provide tailored regulatory, compliance, and market access strategies across specialized therapeutic areas, creating customized pathways to maximize global market reach throughout your product's lifecycle.

      Overview
    • Global Regulatory Submissions and Outsourcing
    • Real World Evidence
    • Compliance and Risk Management
    • Market Access Strategy and Delivery
    • Integrated evidence generation planning
    • Medical Communications
    • Drug Safety and Pharmacovigilance
    • Health economics modelling and simulation
  • Value substantiation lifecycle management

      Value substantiation lifecycle management

      We enhance your product's value story through post-approval studies and holistic lifecycle management services that satisfy regulators and payers while building stakeholder trust and maximizing your drug's market impact throughout its entire lifecycle.

      Overview
    • Real-World Evidence, Market Access Strategy and Planning
    • Regulatory Compliance
    • Lifecycle Optimization
    • Integrated evidence generation planning
    • Medical Communications
  • FSP delivery models in clinical trials
      Overview
    • Gain an advantage through FSP
  • Operational excellence

      Operational excellence

      We bring together experienced cross-functional experts to implement best practices, process simplifications, and technology standardization that accelerate timelines and improve quality.

      Overview
    • Leveraging AI in clinical development
  • Medical affairs for clinical trials

Biotech

Get the personal, responsive, and committed approach of a small CRO, with all the benefits of a large CRO, to help you develop life-changing treatments for patients.

Learn more

PODCAST

article-clinical-trialblazers-p.jpg

Clinical Trialblazers

Step into the world of biotech leaders and hear the untold stories behind their journeys to bring breakthrough innovations to life.

Listen Now

Therapeutic Expertise

Utilize our expertise across therapeutic areas, combining innovative trial designs, leading clinical and regulatory expertise, global reach, and a passion for changing patient lives.

See expertise

THERAPEUTIC EXPERTISE
  • Neuroscience
  • General medicine
  • Infectious disease and vaccines
  • Inflammation and immunology
  • Oncology
  • Hematology
CROSS-THERAPEUTIC EXPERTISE
  • Cell and gene therapies
  • Pediatrics
  • Rare diseases
    Overview
  • Cell and gene therapies
  • General medicine CRO

      General medicine

      Our team delivers high-quality clinical trials through forward-thinking medical expertise across multiple indications by combining strategic insight with operational excellence to support programs of all sizes.

      Overview
    • Gastroenterology CRO
    • Respiratory CRO
    • Endocrine & Metabolic CRO
    • Cardiovascular CRO
  • Infectious disease and vaccines

      Infectious disease and vaccines

      Our infectious disease and vaccines cro services help treat and prevent life-threatening illnesses. Learn how our team of experts can aid in any complex trial.

      Overview
    • Critical Care
    • Hepatitis B
    • Novel treatments in infectious disease
  • Inflammation and immunology

      Inflammation and immunology

      Discover our inflammation and immunology CRO services. We bring agile support and a unique MOA-driven model to inflammation and immunology.

      Overview
    • Ophthalmology CRO
    • Dermatology CRO
    • Allergy CRO
  • Oncology

      Oncology

      Parexel is a leading Oncology CRO with more than 80 ex-agency regulators and nearly 2,500 sites globally. Learn more about our oncology indications.

      Overview
    • Benign and malignant hematology
    • Gynecologic cancer CRO
    • Gastrointestinal cancers
    • Genitourinary cancers
    • Lung and head-and-neck cancer
    • Phase I and rare tumors
    • Breast Cancer CRO
    • Lung Cancer CRO
    • Head and Neck Cancer CRO
  • Neuroscience

      Neuroscience

      As a leading neuroscience CRO, we leverage global site relationships, specialized resources, and indication-specific expertise to accelerate breakthroughs in neurological and psychiatric treatments for patients worldwide.

      Overview
    • Neurology
    • Psychiatry
  • Pediatrics
  • Rare Diseases
  • Hematology CRO
RELATED INSIGHTS

Tightening rules, global trials: Sponsors’ concerns at ESMO 2025

Learn more

Do we still need broad patient representation in breast cancer trials? Absolutely.

Learn more

Insights

Our experts help you stay at the forefront of the industry — and ahead of change.

Learn more

NEW MEDICINES, NOVEL INSIGHTS
  • New frontiers in neuroscience
  • Precision oncology
  • Rare disease drug development
  • Cell and gene therapy development
  • Patient-guided drug development
FEATURED INSIGHTS
  • Clinical Trialblazers Podcast
  • The Regulatory Navigator
  • On The Pulse
RECENT INSIGHTS
article-biopharm-talent.jpg
Biopharm workforce report

Optimizing the clinical research workforce: An industry analysis by Parexel

Learn more


Powered by people

At the heart of Parexel sits the world’s most unique insight-generation engine: our people.

Learn more

Participate

Thinking about joining a clinical trial? Learn the drug development process, what it’s like to participate, how to find a trial, and answers to frequently asked questions.

Learn more

INTERESTED IN PARTICIPATING?
  • Healthy volunteers
  • Patient volunteers
  • Patient advocacy groups
TRIAL SITES
  • Baltimore
  • Los Angeles
  • London
  • Berlin
    Overview
  • Patient volunteers

      Patient volunteers

      Clinical trials provide patients with access to innovative investigational treatments that advance medical research. Participation requires careful consideration that weighs both the benefits and risks.

      Overview
    • Advisory Council
  • Healthy volunteers
  • Patient advocacy groups
  • Patient stories
      Overview
    • Andrea & David's Story
    • Stacy's Story
    • Anisha's Story
    • Rob's Story
HEAR FROM REAL PATIENTS

article-patient-stories.jpg

Patient Stories

Clinical study participation represents a deeply personal decision with potentially far-reaching impact, as evidenced by these inspiring individual stories that highlight both the life-changing potential for participants and the broader advancement of healthcare for all.

Learn more

Sites

Want to collaborate with us to offer clinical trials at your site? We would welcome the opportunity to discuss.

Learn more

AWARD-WINNING-PARTNERS

article-scrs-eagle-award.jpg

Enabling successful sites

Our Enabling Successful Sites thought leadership series pairs site representatives with clinical operations experts to identify root causes of investigative site challenges and develop collaborative solutions.

Learn more

About

We are one of the largest CROs in the world, speeding life-changing medicine to market by engaging patients With Heart™. Learn about who we are, what we do, and what we believe.

About Parexel

  • Leadership team
  • Global reach
  • Our inclusion strategy
  • Our ESG strategy
  • Compliance, tax & privacy
  • Meet us at an event
    Overview
  • Leadership team

      Leadership team

      With decades of biopharmaceutical leadership experience and a deep dedication to patients, our executive team drives us forward in delivering better trials, faster.

      Overview
    • Board of Directors
  • Global reach
  • Our Inclusion Strategy
  • Our ESG strategy
  • Compliance, tax & privacy

      Compliance, tax & privacy

      Find key information on our policies, strategies, pay data, and more.

      Overview
    • Compliance & Ethics
    • Tax Strategy
    • Privacy Policy
    • Cookies and other web tracking
    • Supplier Data Privacy Requirements
    • Terms of Use
    • French Gender Pay Data
    • UK Gender Pay Data
    • UK Modern Slavery Act Statement
    • Ireland Gender Pay Data
    • Supplier Inclusion Policy
  • Meet us at an event
      Overview

Contact us

Meet us at an event

Resources

My Communication Preferences

Invoicing

PO Terms and Conditions

 

Regional Websites

Japan External link

China External link

Quick Links

Participate

Sites

Careers External link

Newsroom External link

Academy External link

Parexel logo
Parexel Biotech logo

See our family of brands


541 Church at North Hills St., Suite 1000
Raleigh, NC 27609
+1 919 544 3170


  • Privacy Policy
  • Cookies
  • Terms of Service
  • Modern Slavery Statement Act

© . Parexel International (MA) Corporation. All Rights Reserved.