Friendship Pays

You can earn $200 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 $200!


This study consists of 4 in house stays.

Up to $4500


Postmenopausal Females
40 to 65
BMI 18 to 30


Period 1 Check in: Tuesday Jan 29th
Period 1 Check out:
Thursday Jan 31st

Period 2 Check in:
Tuesday Feb 12th
Period 2 Check out:
Thursday Feb 14th

Period 3 Check in:
Tuesday Mar 5th
Period 3 Check out:
Thursday Mar 7th

Period 4 Check in:
Tuesday Mar 19th
Period 4 Check out:
Thursday Mar 21st


San Antonio Clinic

Most studies will qualify but some restrictions may apply. Eligibility for a Refer A Friend payment and payment amount will be determined by Worldwide. Worldwide at its discretion may change, amend, modify or terminate this referral program at any time without notice.