NIH-funded research R01 grant

How estradiol affects brain pathways related to addiction in males and females

Official title: Estradiol signaling pathways mediating sex differences in striatal synaptic plasticity

Funded at University of Iowa · NIH-11040352 · Data updated 2026-11-12

This study is looking at how the hormone estradiol affects the brain and may play a role in why women might develop addiction differently than men, using animal models to explore these effects.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Iowa
NIH-funded
Lab location1 site (Iowa City, United States)
Project startFebruary 1, 2024
Project endJanuary 31, 2028
Funding year2025
Award (this year)$610,293
NIH project number5R01DA056113-03
Project IDNIH-11040352 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for participation or benefit from this research would include individuals with a history of substance use disorders, especially those who identify as female.

Less likely to help

Patients who do not have a history of substance use or those who are not affected by gender differences in addiction may not receive benefit from this research.

What this research studies

This research investigates how the hormone estradiol influences brain signaling pathways that contribute to differences in addiction behaviors between genders. By studying the effects of estradiol on synaptic plasticity in the dorsal striatum, the research aims to understand how this hormone may accelerate the transition from casual drug use to addiction, particularly in females. The approach involves examining the molecular mechanisms and cell types involved in these processes using rodent models. The findings could provide insights into the biological underpinnings of substance use disorders and inform future treatment strategies.

Why it matters

Potential benefit: If successful, this research could lead to improved understanding and treatment options for substance use disorders, particularly for women.

How similar studies have gone: Other research has shown success in understanding the role of hormones in addiction, but this specific focus on estradiol's impact on synaptic plasticity is relatively novel.

Where this research is happening

  • University of Iowa
    Iowa City, United States
    Active

Researchers

  • Principal investigator: Blackwell, Kim L — University of Iowa
  • Study coordinator: Blackwell, Kim L

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.