Skip to content
The Association of Clinical Research Professionals
  • About ACRP
  • My Account

  • Membership

    In this Section

    • Member Benefits
    • Renew Membership
    • Local Chapters
    • Volunteer Opportunities
    • ACRP Community
    • Member Directory
    • Discussion Groups

    Advance Yourself

    When you become an ACRP member, you’re joining a network with a global reach—and so much more. Our member community of 17,000 clinical research professionals look to us for gold-standard education, rigorous certification, and indispensable connections. ​

    Membership Benefits

    Organization Membership

    For organizations who want to provide their clinical study teams with continuous, ongoing education and professional development resources, Organization Membership is a turnkey and scalable solution.

    Organization Membership

  • Learning

    In this Section

    • Course Catalog
    • My Courses
    • Home Study
    • Competency Guidelines
    • Clinical Research Glossary

    Popular Training Courses

    Good Clinical Practice (GCP) Simulation

    Understanding Clinical Trial Protocols

    Building Quality Management Systems

    Site Quality Management Tools

    Guidelines and Regulations Resource Center

    ACRP is committed to being a trusted source for all professionals whose roles involve conducting and leading clinical research. Access the most accurate and up-to-date information related to clinical research guidelines and regulations.

    Explore Resources

  • Certification

    In this Section

    • Benefits of Certification
    • Exam Preparation
    • Maintain Certification
    • The Academy
    • Verify ACRP Certification
    • How Certification Exams Are Developed

    Our Programs

    • ACRP-CP® Certification
    • CCRC® Certification
    • CCRA® Certification
    • CPI® Certification
    • ACRP-MDP® Specialty
    • ACRP-PM® Specialty

    ACRP Certification Milestone Achievers

    ACRP honors the 2023 Certification Milestone Achievers, an exclusive group of nearly 1,700 professionals who have consistently proven their commitment to conducting clinical trials safely, ethically, and to the highest standard.

    Learn More

  • Careers

    In this Section

    • Getting Started in Clinical Research
    • Competency Guides
    • Find a Job
    • Post a Job

    Boost Your Prospects with ACRP Certification

    ACRP Certified professionals say their achievement results in increased job responsibility, more employment and advancement opportunities, and recognition—including promotions, bonuses, and salary increases.

    Learn More

    Getting Started in Clinical Research

    Interested in a career in clinical research? You’re in the right place! Explore career options, resources, and more to help you find your first opportunity in clinical research.

    Learn More

  • Insights

    In this Section

    • ACRP Blog
    • Clinical Researcher
    • Press Releases
    • White Papers & Reports

    Clinical Researcher—October 2024

    As project scopes and protocol complexities continue to grow, trial-related technologies emerge and mature, and new areas of specialization in the clinical research enterprise drive workforce evolution, contributors to this issue invite you to study the theme of “Always be Curious, Never Stop Learning”—focusing on critical facets of ongoing education, training, and research regulation and management so that you can stay ahead of the curve in an ever-changing environment for drug and device development.

    Read October 2024 Issue

    View Archives

    New! DCT Perspectives White Paper

     

     

     

     

     

    This new white paper examines recent work by ACRP and its members to build awareness of the need for a new budget model for sites and to leverage the adoption of DCT elements to improve how sites are supported in their critical contribution to drug development.

    Learn More

  • Events

    In this Section

    • Events Calendar
    • ACRP Annual Conference
    • Webinars
    • Chapter Events
    • Clinical Trials Day

    Upcoming Events

    • Suncoast Chapter: From Incident to Insight – Best Practices in Adverse Event Recording and Reporting

      December 4, 2024

    • Western NY Chapter: A Curious Spectator’s Observations – AI and Clinical Trials

      December 5, 2024

    • NY Metro Chapter: 2024 Holiday Party

      December 5, 2024

    View All Events

    Discounted Rates for ACRP 2025

    ACRP members save $200 on their ACRP 2025 registration—or $400 when a pre-conference workshop is also selected. With a low membership fee of $160/year, you’ll immediately recoup your investment when you register for the conference.

    ACRP Membership

    Conference Registration

  • Employer Resources

    In this Section

    • Why ACRP
    • Our Services
    • Workforce Development
    • Verify ACRP Certification
    • Post a Job
    • Advertising & Sponsorships

    Advancing People Advancing Health™

    Through our gold-standard education, the most rigorous certification process in the industry, and strong comment connections – ACRP prepares clinical research professionals to be the study team members employers can trust to get it right.

    Learn More

    New! Organization Membership

    For organizations who want to provide their clinical study teams with continuous, ongoing education and professional development resources, Organization Membership is a turnkey and scalable solution.

    Learn More

ACRP Learning Update

ACRP is happy to announce forthcoming updates to several courses in the ACRP catalog.

Learn More

Antigen

Posted November 12, 2024 by Wendy Farmer.

MRCT – A substance that causes the body’s immune system to react. https://mrctcenter.org/glossaryterm/antigen/

Back to Glossary Index Page

Recent Posts

  • ACRP Partners with ScienceMedia to Bring Disease-Specific Training to Clinical Research Sites
  • ACRP Advocates for Clinical Researcher Occupation Code
  • Shedding Some Daylight on the Murky World of Patient Recruitment Advertising Practices
  • New Informed Consent Expectations Should Aid Participants’ Understanding, May Catch Professionals Off Guard
  • One of the ASCRT Program’s Earliest Recipients Goes the Distance

Recent Comments

    Archives

    • December 2024
    • November 2024
    • October 2024
    • September 2024
    • August 2024
    • July 2024
    • June 2024
    • May 2024
    • April 2024
    • March 2024
    • February 2024
    • January 2024
    • December 2023
    • November 2023
    • October 2023
    • September 2023
    • August 2023
    • July 2023
    • June 2023
    • May 2023
    • April 2023
    • March 2023
    • February 2023
    • January 2023
    • December 2022
    • November 2022
    • October 2022
    • September 2022
    • August 2022
    • July 2022
    • June 2022
    • May 2022
    • April 2022
    • March 2022
    • February 2022
    • January 2022
    • December 2021
    • November 2021
    • October 2021
    • September 2021
    • August 2021
    • July 2021
    • June 2021
    • May 2021
    • April 2021
    • March 2021
    • February 2021
    • January 2021
    • December 2020
    • November 2020
    • October 2020
    • September 2020
    • August 2020
    • July 2020
    • June 2020
    • May 2020
    • April 2020
    • March 2020
    • February 2020
    • January 2020
    • December 2019
    • November 2019
    • October 2019
    • September 2019
    • August 2019
    • July 2019
    • June 2019
    • May 2019
    • April 2019
    • March 2019
    • February 2019
    • January 2019
    • June 2018
    • April 2018
    • December 2017
    • October 2017
    • April 2017
    • March 2017
    • February 2017

    Categories

    • Blog
    • Clinical Researcher
    • News
    • Press Releases

    Registration Pricing and Details Available  July 20, 2020.

    With more than 16,500 members, the Association of Clinical Research Professionals (ACRP) is the only non-profit solely dedicated to representing, supporting, and advocating for clinical research professionals. ACRP supports individuals and life science organizations globally by providing community, education, and credentialing programs. Founded in 1976, ACRP is a registered 501(c)(3) charitable organization whose mission is to promote excellence in clinical research and whose vision is that clinical research is performed ethically, responsibly, and professionally everywhere in the world.

    CONTACT US >     FAQs >     JOIN OUR MAILING LIST >

    • Join the Conversation

    When you become an ACRP member, you’re joining a network with a global
    reach—and so much more. EXPLORE THE BENEFITS OF MEMBERSHIP

    • Accessibility
    • Privacy Policy
    • Cancellation Policies
    • Ad Choices

    © 2024 ACRP. All Rights Reserved

    • Membership

      In this Section

      • Member Benefits
      • Renew Membership
      • Local Chapters
      • Volunteer Opportunities
      • ACRP Community
      • Member Directory
      • Discussion Groups

      Advance Yourself

      When you become an ACRP member, you’re joining a network with a global reach—and so much more. Our member community of 17,000 clinical research professionals look to us for gold-standard education, rigorous certification, and indispensable connections. ​

      Membership Benefits

      Organization Membership

      For organizations who want to provide their clinical study teams with continuous, ongoing education and professional development resources, Organization Membership is a turnkey and scalable solution.

      Organization Membership

    • Learning

      In this Section

      • Course Catalog
      • My Courses
      • Home Study
      • Competency Guidelines
      • Clinical Research Glossary

      Popular Training Courses

      Good Clinical Practice (GCP) Simulation

      Understanding Clinical Trial Protocols

      Building Quality Management Systems

      Site Quality Management Tools

      Guidelines and Regulations Resource Center

      ACRP is committed to being a trusted source for all professionals whose roles involve conducting and leading clinical research. Access the most accurate and up-to-date information related to clinical research guidelines and regulations.

      Explore Resources

    • Certification

      In this Section

      • Benefits of Certification
      • Exam Preparation
      • Maintain Certification
      • The Academy
      • Verify ACRP Certification
      • How Certification Exams Are Developed

      Our Programs

      • ACRP-CP® Certification
      • CCRC® Certification
      • CCRA® Certification
      • CPI® Certification
      • ACRP-MDP® Specialty
      • ACRP-PM® Specialty

      ACRP Certification Milestone Achievers

      ACRP honors the 2023 Certification Milestone Achievers, an exclusive group of nearly 1,700 professionals who have consistently proven their commitment to conducting clinical trials safely, ethically, and to the highest standard.

      Learn More

    • Careers

      In this Section

      • Getting Started in Clinical Research
      • Competency Guides
      • Find a Job
      • Post a Job

      Boost Your Prospects with ACRP Certification

      ACRP Certified professionals say their achievement results in increased job responsibility, more employment and advancement opportunities, and recognition—including promotions, bonuses, and salary increases.

      Learn More

      Getting Started in Clinical Research

      Interested in a career in clinical research? You’re in the right place! Explore career options, resources, and more to help you find your first opportunity in clinical research.

      Learn More

    • Insights

      In this Section

      • ACRP Blog
      • Clinical Researcher
      • Press Releases
      • White Papers & Reports

      Clinical Researcher—October 2024

      As project scopes and protocol complexities continue to grow, trial-related technologies emerge and mature, and new areas of specialization in the clinical research enterprise drive workforce evolution, contributors to this issue invite you to study the theme of “Always be Curious, Never Stop Learning”—focusing on critical facets of ongoing education, training, and research regulation and management so that you can stay ahead of the curve in an ever-changing environment for drug and device development.

      Read October 2024 Issue

      View Archives

      New! DCT Perspectives White Paper

       

       

       

       

       

      This new white paper examines recent work by ACRP and its members to build awareness of the need for a new budget model for sites and to leverage the adoption of DCT elements to improve how sites are supported in their critical contribution to drug development.

      Learn More

    • Events

      In this Section

      • Events Calendar
      • ACRP Annual Conference
      • Webinars
      • Chapter Events
      • Clinical Trials Day

      Upcoming Events

      • Suncoast Chapter: From Incident to Insight – Best Practices in Adverse Event Recording and Reporting

        December 4, 2024

      • Western NY Chapter: A Curious Spectator’s Observations – AI and Clinical Trials

        December 5, 2024

      • NY Metro Chapter: 2024 Holiday Party

        December 5, 2024

      View All Events

      Discounted Rates for ACRP 2025

      ACRP members save $200 on their ACRP 2025 registration—or $400 when a pre-conference workshop is also selected. With a low membership fee of $160/year, you’ll immediately recoup your investment when you register for the conference.

      ACRP Membership

      Conference Registration

    • Employer Resources

      In this Section

      • Why ACRP
      • Our Services
      • Workforce Development
      • Verify ACRP Certification
      • Post a Job
      • Advertising & Sponsorships

      Advancing People Advancing Health™

      Through our gold-standard education, the most rigorous certification process in the industry, and strong comment connections – ACRP prepares clinical research professionals to be the study team members employers can trust to get it right.

      Learn More

      New! Organization Membership

      For organizations who want to provide their clinical study teams with continuous, ongoing education and professional development resources, Organization Membership is a turnkey and scalable solution.

      Learn More

    • About ACRP
    • My Account