Preventing Confusion After Heart Surgery with a Special Sleep Medication

Minimizing ICU Neurological Dysfunction with Dexmedetomidine-induced Sleep (MINDDS II)

NIH-funded research Massachusetts General Hospital · NIH-11116932

This project looks at whether a medication called dexmedetomidine can help prevent confusion and memory problems in older patients after heart surgery.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMassachusetts General Hospital NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11116932 on NIH RePORTER

What this research studies

Many older patients experience confusion, called delirium, after heart surgery, which can lead to longer hospital stays and potentially long-term memory issues similar to Alzheimer's disease. Current methods to prevent this confusion are often difficult to put into practice. This project is testing a medication called dexmedetomidine, which helps patients sleep, to see if it can safely and easily reduce the risk of this confusion. Researchers will compare patients receiving dexmedetomidine to those receiving a placebo or standard care to understand its effects.

Who could benefit from this research

Good fit: Ideal candidates would be elderly patients preparing for or recovering from cardiac surgery who are at risk for postoperative delirium.

Not a fit: Patients not undergoing cardiac surgery or those who are not elderly may not directly benefit from this specific approach.

Why it matters

Potential benefit: If successful, this could offer a simple and effective way to prevent postoperative delirium and potentially reduce the risk of long-term cognitive problems for patients undergoing heart surgery.

How similar studies have performed: Previous pilot work has shown promising results regarding dexmedetomidine's potential, but large-scale randomized trials are needed to confirm its effectiveness for preventing postoperative delirium.

Where this research is happening

Boston, United States

Researchers

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 below.
Conditions Alzheimer's disease and related dementiaAlzheimer's disease and related disorders
Last reviewed 2026-06-13 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.