NIH-funded research R21 grant

Activating specific signaling pathways in dopamine neurons to understand cocaine effects

Official title: Selective real-time activation of ERK1/2 signaling in dopamine neurons

Funded at Drexel University · NIH-10706605 · Data updated 2026-11-12

This study is looking at how cocaine impacts brain cells that produce dopamine, using special techniques to better understand the signals involved, with the goal of finding new ways to help people struggling with cocaine addiction.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionDrexel University
NIH-funded
Lab location1 site (Philadelphia, United States)
Project startSeptember 30, 2022
Project endAugust 31, 2025
Funding year2023
Award (this year)$189,375
NIH project number5R21DA057054-02
Project IDNIH-10706605 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with a history of cocaine use or those diagnosed with cocaine use disorders.

Less likely to help

Patients who do not use cocaine or have no history of substance abuse may not benefit from this research.

What this research studies

This research investigates how cocaine affects dopamine neurons by focusing on a specific signaling pathway known as ERK1/2. The study uses advanced techniques to control this signaling in real-time within the brain, specifically targeting dopamine neurons in transgenic rats. By understanding these mechanisms, the research aims to identify new therapeutic strategies for treating cocaine use disorders, which currently lack effective treatments. The approach combines genetic engineering and light activation to precisely manipulate cellular responses.

Why it matters

Potential benefit: If successful, this research could lead to new treatment options for individuals struggling with cocaine addiction.

How similar studies have gone: While the specific approach of using light-activated signaling in dopamine neurons is novel, similar studies have shown promise in understanding addiction mechanisms.

Where this research is happening

  • Drexel University
    Philadelphia, United States
    Active

Researchers

  • Principal investigator: Mortensen, Ole Valente — Drexel University
  • Study coordinator: Mortensen, Ole Valente

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.
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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.