Grayline Research Center

04/22/2026

This study is filling up fast - space is limited! Call now to get scheduled: 940-322-1131 GraylineCDT.com

04/09/2026

Appointments available this Thursday! Call now to reserve your spot or turn in your information on our website! 940-322-1131 GraylineCDT.com

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

03/10/2026

BRAND NEW Socal Anxiety research study currently recruiting in the Wichita Falls area. Simply call us at 940-322-1131 or visit our website to submit your information: GraylineCDT.com

03/04/2026

Recruiting right here in Wichita Falls! Simply message for more details or call 940-322-1131 to learn more! GraylineCDT.com

02/16/2026

We are happy to announce that we are celebrating our 40th Year Anniversary! Stay tuned because we are planning a year of celebration events!

12/16/2025

We absolutely love supporting our community! Thank you to all of the other sponsors who came together with us to make this coat drive successful!

11/12/2025

You could earn extra cash this season by joining a research study here at Grayline. Current studies: Alzheimer's Disease, Anxiety, Bipolar Disorder, and Depression. SPOTS ARE LIMITED -CALL NOW! 940-322-1131 GraylineCDT.com

10/14/2025

Do you or someone you know have Alzheimer's disease? Consider joining a PAID research study today! 940-322-1131 graylinecdt.com

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

10/09/2025

Come on down to the Delta Hotel today and visit our booth at the Health and Wellness Expo! We will be set up here until 2pm!
There are many amazing booths offering great information and free services!

09/24/2025

Huge thank you to The Lawton Constitution for helping us spread the word about our Alzheimer's study!

WICHITA FALLS, TX — A new Alzheimer’s drug study is underway in Wichita Falls, Texas, that gives local patients and families access to cutting-edge research typically limited to major metropolitan

09/11/2025

Do you experience Bipolar symptoms? Call us to learn more about our paid research study! 940-322-1131 or submit your info on our website! GraylineCDT.com

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