MINDDS II (Heart Surgery Recovery)

Purpose of this Study

We are doing this study to find out if nighttime dosing of a sedative called dexmedetomidine (the study drug) can reduce the occurrence of delirium (a state of mental confusion) in older adults who have heart surgery.

Who Can Participate?

Eligibility

Adults ages 60+ who:
  • Are scheduled for heart surgery with cardiopulmonary bypass
  • Plan to recover in the ICU after surgery
  • Do not have a diagnosis of Alzheimer's Disease or related dementia, severe cognitive impairment, or delirium
  • Have no history of obstructive sleep apnea
For more information, contact the study team at emmalee.metzler@duke.edu.

Age Range

60-110

Sex/Genders

Male (cisgender)
Female (cisgender)
Non-binary or gender fluid
Transgender male
Transgender female
Looking for Healthy Participants
No

What is Involved?

Description

If you choose to join this study, you will:
  • Get a random assignment (by chance) to get the study drug as either an IV infusion or a dissolvable strip you take by mouth, or get a placebo (inactive substance) as either an IV infusion or dissolvable strip you take by mouth
  • Get the study drug or placebo in the same manner the day after your surgery and answer questionnaires, have memory testing done, and have a blood sample collected
  • Get the study drug or placebo in the same manner 2 days after your surgery and answer questionnaires and have memory testing done
  • Answer questionnaires and have memory testing done on days 3-7 after your surgery
After you return home, we will call you around 1 month, 6 months, and 1 year after your surgery to see how you are doing and ask you questions about your thinking and memory.

Locations

Duke University Hospital

Visit Timing

Weekdays

Compensation

Yes

Spanish Materials Available

No

Study Details

Full Title

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

Principal Investigator

Mihai
Podgoreanu

Protocol Number

PRO00116434

NCT ID

NCT06192615

Phase

III

Enrollment Status

Open to Enrollment