NIH-funded research R01 grant

How exposure to PCBs during adolescence may lead to depression

Official title: Adolescent exposure to PCBs as a risk factor for the development of depression

Funded at University of Miami School of Medicine · NIH-11026782 · Data updated 2026-11-12

This study is looking at how being around certain chemicals called PCBs might be connected to depression in teenagers, using young mice to help understand how these toxins could affect their mental health.

More Depression research and trials

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Miami School of Medicine
NIH-funded
Lab location1 site (Coral Gables, United States)
Project startDecember 17, 2024
Project endOctober 31, 2029
Funding year2025
Award (this year)$495,980
NIH project number1R01ES036983-01
Project IDNIH-11026782 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are adolescents aged 12-20 who may have been exposed to PCBs in their environment.

Less likely to help

Patients who are not adolescents or those who have not been exposed to PCBs may not benefit from this research.

What this research studies

This research investigates the potential link between exposure to polychlorinated biphenyls (PCBs) and the development of depression in adolescents. It focuses on understanding how these environmental toxins, which are commonly found in schools and other areas, may affect mental health by disrupting the gut microbiome and the blood-brain barrier. Using adolescent mouse models, the study aims to explore the biological mechanisms that could explain this connection, providing insights into how environmental factors influence psychiatric conditions.

Why it matters

Potential benefit: If successful, this research could lead to better understanding and prevention strategies for adolescent depression linked to environmental exposures.

How similar studies have gone: While the specific approach of linking PCB exposure to depression in adolescents is novel, there is emerging evidence suggesting environmental toxins can impact mental health, indicating a potential for success.

Where this research is happening

  • University of Miami School of Medicine
    Coral Gables, United States
    Active

Researchers

  • Principal investigator: Toborek, Michal — University of Miami School of Medicine
  • Study coordinator: Toborek, Michal

Related research

Other NIH-funded projects on the same topics.

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.