Join the Project IMPACT Study Today!

Use meth, crack, or cocaine during sex? Want to possibly improve your mental and sexual health?


Join the Mosaico Study!

Be part of this groundbreaking,
international HIV vaccine study.


Join the LITE Plus Study

Are you a transgender woman of color? We want to hear from you.


Join the PrEP for Youth Study


Join the COMPARE Study

Help create an app to help men who have sex with men better understand and manage their sexual health.


Closed Studies

Thank you for your interest in our current studies! The studies listed below have ended, but you can click on the study link to learn more about it and see if we are currently enrolling for any similar studies. If you have any questions, please call the Recruitment Team at 617.927.6450.

COVID-19 Vaccine Study

Immunology and Virology of HIV Infection Study

Make a Difference in Our Community.
Join an Open Study!


Call Us to Learn How You Can Help:



Ansin Building

1340 Boylston Street
Boston, MA 02215

Currently Enrolling

Click for a list of studies that are currently recruiting participants.

Active Studies (Closed Enrollment)

While the studies listed here are still open, we are no longer enrolling new participants.