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Simple nasal sprays may shield Seniors' brains after bypass

NCT ID NCT06741566

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 26, 2026 · Updated 2 times

Summary

This study tests whether giving insulin or dexmedetomidine as a nasal spray before surgery can prevent early confusion and memory problems after coronary artery bypass grafting. The trial will enroll 150 adults aged 60 and older. Participants will receive one of the two nasal sprays or a placebo twice daily for two days before their operation.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
intranasal insulin or intranasal dexmedetomidine
What this could lead to
If it works, this could point toward a simple, low-cost way to prevent mental decline after heart bypass surgery.
What could go wrong
This is a very early (Phase 1) trial with only 150 people, so results may not be conclusive. The treatments might not work or could cause side effects like slow heart rate or cough.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

150 people

The number who actually took part.

Started

Dec 2024

Finished

May 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

60 to 75 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adult population, 60 years or above, both sex, candidate for elective on pump coronary revascularization Exclusion Criteria: * patient refusal * combined reperfusion and valve replacement operations. * Emergency or redo CABG. * preoperative MMSE score less than 20 * preoperative cardiomyopathy (ejection fraction \<40%). * previous history of cerebrovascular stroke or carotid endarterectomy, dementia, language, hearing or visual impairment precluding accurate neurocognitive assessment. * history of heparin resistance. * chronic use of hypnotics (\>3 times weekly for \>4 weeks), mood stabilizing drugs (lithium, Na valoprate, anticonvulsants) or melatonin. * pre-operative pacing. * recent nasal surgery (\<3 months), prior maxillofacial trauma with nasal deformity, nasal polyposis or severe allergic rhinitis. * severe obstructive sleep apnea (apnea hypopnea index \>30), central sleep apnea or obesity-hypoventilation syndrome, and planned postoperative non-invasive ventilation. * Chronic acholic population Alcohol Use Disorders Identification Test (AUDIT) score ≥8 for men or ≥7 for women

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Fayoum university

    Al Fayyum, Egypt

More trials for these conditions

Other studies related to the condition(s) this trial covers.