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Elderly frailty may change how muscle relaxants work during surgery

NCT ID NCT07580144

Knowledge-focused Sponsor: Konya Meram State Hospital Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 29, 2026 · Updated 2 times

Summary

This observational study looks at whether sarcopenia (muscle loss) and frailty affect how the muscle relaxant rocuronium works in older patients having surgery. Researchers will monitor 100 adults aged 65 and older to see how fast the drug takes effect and how long it lasts. The goal is to help doctors give safer anesthesia doses to frail elderly patients.

What this could mean

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

Active substance
rocuronium
What this could lead to
If successful, this could help anesthesiologists adjust rocuronium doses for frail or sarcopenic elderly patients, improving safety during surgery.
What could go wrong
This is an observational study, not a treatment trial. It only measures effects without testing a new drug or intervention, so direct patient benefits are limited.

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.

Participants

100 people

The number who actually took part.

Started

May 2026

Finished

Jul 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.

Who is studied

The study population will consist of geriatric patients aged 65 years or older who are scheduled for elective surgery under general anesthesia with endotracheal intubation and rocuronium-induced neuromuscular blockade. Before surgery, patients will be evaluated for frailty and sarcopenia using predefined clinical and ultrasonographic criteria. According to these assessments, patients will be classified into four cohorts: frailty only, sarcopenia only, both frailty and sarcopenia, and neither frailty nor sarcopenia.

Ages

65 to 80 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: * Scheduled to undergo elective surgery under general anesthesia requiring endotracheal intubation * Planned use of rocuronium for neuromuscular blockade * Quantitative neuromuscular monitoring planned during anesthesia * American Society of Anesthesiologists physical status I-III * Ability to provide written informed consent * Completion of preoperative frailty and sarcopenia assessment Exclusion Criteria: * Emergency surgery * Known neuromuscular disease * History of allergy or contraindication to rocuronium, sugammadex * Severe hepatic insufficiency * Severe renal insufficiency * Use of drugs known to significantly affect neuromuscular transmission * Preoperative mechanical ventilation or intensive care unit admission * Inability to perform a frailty or sarcopenia assessment * Patients in whom quantitative neuromuscular monitoring cannot be properly performed * Refusal to participate in the study

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Conditions

The condition(s) this trial relates to.

Frailty Sarcopenia

As listed by the trial registrant

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

Frailty Neuromuscular blockade Pharmacodynamics Rocuronium Sarcopenia

Contacts and locations

Locations

  • Betul Kozanhan

    Konya, 42005, Turkey (Türkiye)

More trials for these conditions

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