Together we put patients first

We value your commitment to patients and the close care you provide to meet their ongoing healthcare needs. By working with Parexel as a clinical investigator and research site, your unique skills, therapeutic area knowledge and firsthand experience will help bring new therapies to patients sooner. And, you will have the support of our world-class clinical research team every step of the way.

Why participate in clinical trials?

Benefits for your patients, your practice, and you:

  • Provide your patients with unmatched access to novel biopharmaceuticals
  • Establish an additional revenue stream
  • Connect with other physicians on the latest developments in medical science
  • Make important contributions to the advancement of global healthcare

Why work with us?

We provide physicians opportunities to participate in a full range of clinical trials:

Our Phase I-IV studies incorporate the full range of services from clinical study design to bioanalytics to peri-approval and post-marketing services.

Award-winning CRO

Parexel received two prestigious industry honors in 2023 reflecting the company’s commitment to the development of strong site relationships in support of patients. 

2023 Eagle Award by Society of Clinical Research Sites

The SCRS Eagle Award recognizes the sponsor and CRO committed to outstanding leadership, professionalism, integrity, passion and dedication to advancing the clinical research profession through strong site partnerships. Recipients of the Eagle Award are selected based on votes cast from the global site community.

2023 Top CRO to Work With by WCG CenterWatch

Parexel was rated “Top CRO to Work With” in the 2023 WCG CenterWatch Global Site Relationship Benchmark Survey. Among the 34 CROs included in the survey, Parexel received the highest average rating across all 26 performance attributes evaluated. In addition, Parexel ranked highest on four out of the five attributes considered the most important to investigative sites and was selected as the CRO that investigative sites were most willing to recommend to a colleague. This year’s strong rating follows Parexel’s “Top CRO to Work With” rating in the 2021 WCG CenterWatch Global Site Relationship Benchmark Survey, which is the most recent year the survey was conducted.

Four attributes considered most important to investigative sites:

1.     Quality of communication with study team/site staff

2.     Responsiveness to site staff inquiries

3.     Organization and preparedness

4.     Professionalism, knowledge, and training of monitors/CRAs


Parexel covers a breadth of indications in these therapeutic areas:


Parexel also works in these cross-therapeutic areas