NIH-funded research R01 grant

Understanding how estradiol affects risk-taking behavior in females

Official title: Investigation of the neurobiological mechanisms underlying estradiol-mediated risk aversion in females

Funded at University of Texas at Austin · NIH-10811683 · Data updated 2026-11-12

This study is looking at how the hormone estradiol affects decision-making and risk-taking in females, using rats to see how drug use might change these behaviors, with the hope of improving treatment options for women dealing with addiction.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas at Austin
NIH-funded
Lab location1 site (Austin, United States)
Project startApril 1, 2023
Project endJanuary 31, 2029
Funding year2024
Award (this year)$547,810
NIH project number5R01DA055676-02
Project IDNIH-10811683 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for participation or benefit from this research would be females who have a history of substance use or are at risk of developing substance use disorders.

Less likely to help

Patients who are male or those who do not have a history of substance use may not receive direct benefits from this research.

What this research studies

This research investigates the neurobiological mechanisms that influence decision-making and risk aversion in females, particularly focusing on the hormone estradiol. Using a rat model, the study aims to explore how chronic drug exposure alters the neural pathways that govern risk-taking behavior, which may differ significantly from males. By examining these mechanisms, the research seeks to identify how substance use impacts decision-making processes in females, potentially leading to better treatment strategies for addiction. The findings could help bridge the gap between animal studies and clinical applications, enhancing our understanding of female-specific responses to drugs.

Why it matters

Potential benefit: If successful, this research could lead to improved treatment approaches for women struggling with substance use disorders by tailoring interventions based on hormonal influences on decision-making.

How similar studies have gone: While there has been significant research on risk-taking behavior in males, this approach focusing specifically on females and the role of estradiol is relatively novel and has not been extensively tested.

Where this research is happening

  • University of Texas at Austin
    Austin, United States
    Active

Researchers

  • Principal investigator: Orsini, Caitlin Anne — University of Texas at Austin
  • Study coordinator: Orsini, Caitlin Anne

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.