Sub-Studies

As a platform for HIV and substance use-related research, mSTUDY features sub-studies that address scientific questions beyond the scope of our primary aims.  Below, please find a list of our approved and active concepts.  If you would like to propose a sub study, please contact aeragsdale@mednet.ucla.edu for more information.

Hilary Aralis

• Chaotic Lifestyle Factors and Achievement of Viral Suppression among HIV-Positive Men in Los Angeles

Stephan Baral

• Assessing the relationship between stigma and engagement in HIV prevention and treatment

Susie Cassels

• Associations between migration, sexual risk behavior, and HIV testing behavior, and HIV care among mSTUDY participants

Jesse Clark

• PAREDES: A Comprehensive Partner-Based Approach to HIV and STI Case-Detection for Latino MSM

Stephanie Clavijo

• Beginning of chronic health conditions in young MSM of color in Los Angeles

Ryan Cook

• BMI-SUB study: The Bodyweight, Microbiome, Inflammation, and SUBstance use study

Jennifer Fulcher

• Recent methamphetamine use is associated with increased rectal mucosal inflammatory cytokines, regardless of HIV-1 serostatus

Pamina Gorbach

• Behavior change following HIV diagnosis: findings from a Cohort of Los Angeles MSM
• Sexual Behavior Difference within Main Partnerships by Drug Use
• Predictors of transmission risk in HIV-positive mSTUDY participants
• Predictors of incarceration within the mSTUDY Cohort
• Associations Between Cannabis Use, Sexual Behavior, and STIs/HIV In a Cohort of Young MSM
• Self-report and biomarkers of drug use

Nina Harawa

• HIV intervention models for criminal justice involved Black MSM

Jennifer Hsia

• Cigarette and E-Cigarette Use Among MSM of Color in Los Angeles
• Syndemic trends in tobacco use, other substance use, risky sexual behaviors, and mental health among MSM based on HIV serostatus

Shehnaz Hussain

• Biomarkers and Bugs: Microbiome and cytokine biomarkers in meth using mSTUDY participants

Marjan  Javanbakht

• Transactional Sex among Men Who Have Sex with Men: Differences by Substance Use and HIV Status

Hayoun Lee

• Defining HIV-1 infection specific cellular pathways using single-cell RNA sequencing

Michael Li

• Longitudinal associations between minority stress, sexual risk behaviors, and risk of STI infection in MSM

Emeka Okafor

• Associations of mood disorder diagnosis, marijuana and drug use and inflammatory cytokines
• Correlates of preexposure prophylaxis (PrEP) use among men who have sex with men (MSM) in Los Angeles, California

Brendan Quinn

• Needs Assessment of HIV Prevention Efforts: Geospatial analysis of HIV risk behaviors among men of color who have sex with men (MCSM) in Los Angeles county
• Health and syndemic factors among MSM of Color in Los Angeles
• Alcohol use and HIV clinical health outcomes

Steve Shoptaw

• Methamphetamine dose response in mSTUDY cohort

Chelsea Shover

• Methamphetamine use trajectory and HIV treatment outcomes in young minority MSM

Sae Takada

• Social capital and stigma and risk factors in engagement in care

Janine Trevilliyan

• Impact of methamphetamine use and HIV infection on periodontal disease, metabolic disease and cardiovascular risk