Monday - Friday 8:00 a.m. – 5 p.m.

Saturday and Sunday - CLOSED


Hi, we’re Pillar Clinical Research.

Our Mission is to Provide a Professional and Honest Approach to Clinical Trials

Getting involved is simple and can make a significant difference. Advancements in medicine are not possible without volunteers like you. See if you qualify for an available study today.

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Get Involved Today

Join a Study

What is a Clinical Trial?

Clinical trials are designed to study the effects of investigational pharmaceutical compounds and devices. Volunteers who qualify to participate in a clinical trial will be under the supervision of a study physician, also known as a “principal investigator,” and other research staff. The purpose of a typical clinical trial is to evaluate investigational drugs or devices for effectiveness, tolerability, and safety in order to help the FDA (Federal Drug Administration) make a decision on whether the drug or device should be FDA approved. Learn more about participating in clinical trials by visiting our FAQ page.

Our Services

Building a Healthier Future

Learn more about what it’s like to volunteer for and participate in a clinical trial. See what current study options are available for you at your closest Pillar study site. No health insurance is needed to participate.

Pillar Clinical Research has the experience and expertise to help shape protocols during the design stages, conduct Phase 1-4 trials, pilot new technologies, and provide free consulting to Sponsors and CROs to partner for success.

Pillar Clinical Research collaborates with local clinics, agencies, advocacy groups and health systems to provide education and research options for your patients and their loved ones. Let’s support each other!

About Pillar

Excellence in Clinical Research

Pillar Clinical Research provides numerous research study opportunities for volunteers in our local communities such as studies for depression, schizophrenia, bipolar disorder, addictions, postpartum depression, and ADHD. Signing up for an available trial is a selfless act that will help many generations to come. Get to know Pillar and how we can work together toward a healthier future.

Expert Investigators

Our Principal Investigators (physicians) have the experience and expertise in conducting pivotal inpatient and outpatient trials for schizophrenia, bipolar disorder, depression, addictions, and more.

Inpatient and Outpatient

All of our locations have outpatient as well as inpatient clinical trials capabilities for studies that require post-dose and overnight monitoring, frequent PK’s, and inpatient hospitalization.

No Insurance Required

Research study-related assessments, exams, labs, and procedures are conducted at no cost to you as the volunteer. Insurance and out-of-pocket payments are not required to participate.

Coordinated Care

The clinical teams at Pillar Clinical Research work diligently to communicate with your outpatient physicians, therapists, and case managers to ensure quality, coordinated care.

Experienced Staff

Our coordinators and raters will ensure high-quality data collection. Volunteers can be reassured that our staff will guide you through the study process from start to finish.

Community Impact

Pillar Clinical Research supports and collaborates with local and national advocacy groups in an effort to make an impact in our local communities. Contact us today and let’s make a difference!
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Completed Studies
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Expert Team Members
Our Team

Meet Our Exprienced Experts

Thank you for your interest in Pillar. Our team works hard every day with the goal of healthier communities, families and individuals in mind. Whether you are a potential trial participant or a Contract Research Organization (CRO), we encourage you to get to know Pillar and become acquainted with our standards of excellence. Let’s work together toward a healthier future.
Carol Witham, CEO

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Our Locations

Based in the greater Dallas area

The flagship site for Pillar has Phase 1-4 capabilities with a dedicated outpatient and a 20-bed inpatient research unit. The site also collaborates with Medical City Green Oaks Hospital for studies that require traditional psychiatric inpatient unit settings.

Based On The North Side Of Chicago

Pillar’s Lincolnwood facility has outpatient space, a seven-bed inpatient research unit, and access to a traditional inpatient psychiatric unit to allow for its Phase 1-4 studies. The site is strategically located to serve the city and suburban areas of Chicago.

Based In Northwest Arkansas

Pillar’s Bentonville facility is located in one of the fastest growing areas in the country. The modern facility includes a 24-bed unit with experienced clinical research staff capable of conducting both inpatient and outpatient Phase 1-4 clinical trials.

Contact Us

Contact Us

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Since the beginning of the COVID-19 pandemic, the Pillar team has been continuing to put patient safety at the forefront. We have been following all CDC and state guidelines regarding operations and safe social distancing procedures. We will continue to conduct as much business as possible via phone calls and telehealth, where appropriate. All visitors to our sites are screened and temperature checked before entry. Proper PPE is also utilized by staff and provided for patients. We are continuing with several new studies and appreciate your continued support throughout these challenging times!

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