Grayline Research Center

Grayline Research Center A locally owned, independent Clinical Research facility located in Wichita Falls, Texas since 1986!

07/22/2025

If you experience Bipolar Depression, call us now to see if you qualify for our paid research study! 940-322-1131 or visit: GraylineCDT.com

Questioning if you might have ADHD? Check out our PAID research studies for adults aged 18-65. Visit GraylineCDT.com or ...
07/07/2025

Questioning if you might have ADHD? Check out our PAID research studies for adults aged 18-65. Visit GraylineCDT.com or call 940-322-1131 for more information about our free assessments!

Call or visit our website to learn more and see if you qualify! 940-322-1131 GraylineCDT.com
06/16/2025

Call or visit our website to learn more and see if you qualify! 940-322-1131 GraylineCDT.com

Are you living with Generalized Anxiety Disorder (GAD)? You may be qualified to participate in our new Anxiety research study!

04/23/2025

Earn up to $200 THIS Thursday when you qualify! Simply call us to set up your appointment!

A locally owned, independent Clinical Research facility located in Wichita Falls, Texas since 1986!

01/20/2025

Get compensated for exploring new options right here in Wichita Falls. Call now 940-322-1131 or visit our website for more info: GraylineCDT.com

A locally owned, independent Clinical Research facility located in Wichita Falls, Texas since 1986!

12/16/2024

You could make up to $200 a week by participating in one of our Depression Research Studies. Call us now to schedule your appointment: 940-322-1131 GraylineCDT.com

A locally owned, independent Clinical Research facility located in Wichita Falls, Texas since 1986!

Not just today, but every day, THANK YOU to our Veteran's. 🇺🇸
11/11/2024

Not just today, but every day, THANK YOU to our Veteran's. 🇺🇸

We are raising funds for Taft Counseling, who desperately needs our communities help! Please share and spread the word!
11/05/2024

We are raising funds for Taft Counseling, who desperately needs our communities help! Please share and spread the word!

Taft Counseling Center, a local Wichita Falls nonprofit, has … Grayline Research Center needs your support for Urgent Help Needed For Taft Counseling Center!

Happy Halloween from the Grayline Girls! We hope everyone has a safe and exciting Halloween night! 🎃
10/31/2024

Happy Halloween from the Grayline Girls! We hope everyone has a safe and exciting Halloween night! 🎃

HUGE Thank you to ER Now - Wichita Falls for stopping by today and bringing us some Halloween treats!
10/30/2024

HUGE Thank you to ER Now - Wichita Falls for stopping by today and bringing us some Halloween treats!

Tired of fighting Depression alone? Qualified participants of our research study could earn up to $2,400. Call us now to...
08/15/2024

Tired of fighting Depression alone? Qualified participants of our research study could earn up to $2,400. Call us now to set up your free evaluation! 940-322-1131 GraylineCDT.com

05/16/2024

Call now to schedule your appointment! Visit GraylineCDT.com to learn more!

A locally owned, independent Clinical Research facility located in Wichita Falls, Texas since 1986!

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Wichita Falls, TX

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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Grayline: A History

Founded in 1986, Grayline Research Center is a full-service contract research site dedicated to providing high quality clinical trials management and support to pharmaceutical companies for Phase II – IV clinical trials under FDA review.

Today, Grayline is recognized as a premiere clinical trial research facility. The company and its staff bring to each clinical trial a formidable body of experience and expertise. That collective experience covers a wide range of research designs, targeted illnesses, patient populations, and recruitment strategies.

Dedicated to meeting and exceeding the objectives and requirements of the pharmaceutical industry, Grayline Research Center adheres to the highest standards and processes. Our team is well versed in the regulatory requirements and we are committed to excellence.