Friendship Pays

You can earn $100 for each new friend you refer that completes a study at Worldwide Clinical Trials

Referral valid for first time participants only upon completion of his/her first study at Worldwide Clinical Trials. Make sure your FRIENDS give YOUR NAME as the referral when they are scheduling their first screening.

Refer any friend new or old to this study and receive $100!


This study consists of 1 in house stays with no outpatient visits.

Up to $2500


Males and Females
18 to 55
BMI 18 to 30


Period 1 Check in:
Wednesday Dec 13th
Period 1 Check out:
Thursday Dec 21st


San Antonio Clinic