Lillian B. Brown, MD, PhD

Director Clinical Development
Gilead Sciences, Inc.
Foster City, CA, United States

Lillian Brown MD, PhD, is an infectious diseases physician and epidemiologist with over 20 years of experience in the field of HIV across academic, public health, and industry. She is currently a Director of Clinical Development in HIV Prevention at Gilead Sciences, where she is the clinical lead for the PURPOSE program.

Disclosure information not submitted.

Presentation(s):

• 127 - No Clinically Significant Drug-Drug Interactions Between Lenacapavir and Hormonal Contraceptives in PURPOSE 1

  Monday, October 20, 2025
  12:20 PM - 12:25 PM US ET

• 128 - No Clinically Significant Drug–Drug Interactions with Co-administration of Feminizing or Masculinizing Hormone Therapy and Twice-yearly Lenacapavir PrEP in Gender-Diverse Persons

  Monday, October 20, 2025
  12:25 PM - 12:30 PM US ET

• 392 - Favorable Adherence and Safety of Twice-Yearly Subcutaneous Lenacapavir for PrEP Among PURPOSE 2 Participants Who Used Substances

  Tuesday, October 21, 2025
  2:09 PM - 2:21 PM US ET