Attention Adults with Constipation

Clinical Trials Research® (CTR) is seeking adults,  suffering from chronic constipation for a clinical trial.





Insurance is not required to participate.

Get Started

Greater Sacramento, California Residents Only
Please fill out the form below and our friendly office staff will connect with you to see if you qualify for this study.

Located outside of California?
Please DO NOT fill out this form. Instead, please visit www.ClinicalTrials.gov to find a study near you. Thank you!


Thank you for considering participation in our study. 

After filling out the "Get Started" form, a member of our medical team will contact you to obtain more information, answer any questions you have and schedule an appointment for an office visit. In accordance with HIPAA regulations, your personal information will be maintained in strict confidence and will not be sold or used for any other purpose.

If eligible you will receive the following at no cost:

  • Physical exam
  • Vital Signs
  • Compensation for Time & Travel


Insurance is not required to participate.

Our Process


Step 1

Contact Us


Fill out the "Get Started" form above and submit your contact info to us and we will call you.

Step 2

Phone Screen


During a brief phone call, we will discuss your medical history, your medications and study details.

If you meet initial study requirements, we will schedule a convenient time to visit our office and meet with our study team.

Step 3

Office Visit


At your initial visit, you will be asked to complete a basic registration packet and read the study Informed Consent.

After signing the informed consent, we will perform study specific exams, procedures and lab tests.

View Registration Packet

Step 4

Begin Study


If your results meet the study criteria, you will be invited to complete the study.

Every study differs in the number of visits, timeline and potential compensation provided for time and travel. 

Your Study Coordinator and Investigator will provide all of the details and support you will need.