NIH-funded research R21 grant

Lateral hypothalamic neurotensin neurons and narcolepsy symptoms

Official title: Lateral hypothalamic neurotensin neurons in the pathophysiology of narcolepsy

Funded at Beth Israel Deaconess Medical Center · NIH-11514439 · Data updated 2026-11-12

Aims to see if activating specific brain cells in the lateral hypothalamus can reduce sleepiness and cataplexy in narcolepsy models.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionBeth Israel Deaconess Medical Center
NIH-funded
Lab location1 site (Boston, United States)
Project startSeptember 1, 2026
Project endAugust 31, 2028
Funding year2026
Award (this year)$475,475
NIH project number1R21NS146763-01A1
Project IDNIH-11514439 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals with narcolepsy type 1 (or patients participating in future translation) and related sleep-wake disorders.

Less likely to help

People without narcolepsy or without involvement of NtsLH pathways may not benefit.

What this research studies

This project studies how neurotensin-producing neurons in the lateral hypothalamus influence narcolepsy with cataplexy. By monitoring these neurons during wakefulness, sleep loss, and exposure to emotional cues in both normal and narcolepsy-model mice, it tests whether increasing NtsLH activity lessens symptoms. The work uses cellular and population-level recordings to understand activity patterns and causal relationships with sleepiness and muscle weakness. If NtsLH signaling helps mitigate NT1 symptoms, it could point to new avenues for therapies that compensate for orexin loss.

Why it matters

Potential benefit: If successful, the research could identify a new brain pathway to lessen daytime sleepiness and cataplexy in narcolepsy patients.

How similar studies have gone: Previous data suggest NtsLH neurons influence sleep-wake and muscle tone, supporting potential relevance to NT1.

Where this research is happening

  • Beth Israel Deaconess Medical Center
    Boston, United States
    Active

Researchers

  • Principal investigator: Ramalingam, Vetrivelan — Beth Israel Deaconess Medical Center
  • Study coordinator: Ramalingam, Vetrivelan

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.