Contact us

Call us at 415-554-9013 or send us your contact information using the contact form on this page to see if you might qualify. If you do, we will set up the first screening visit for you to come in to our office to see if you meet further study criteria. Determining study eligibility involves meeting with counselors and clinical staff, answering questions, having a physical exam, and giving a urine sample. The screening process can take 4 visits over 4 weeks.

Can I enroll if I am HIV-negative? HIV-positive?

TREX is open to individuals regardless of HIV status.

Yes, I'd like to know more about the Trex study!

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