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Age matters: study aims to tailor lidocaine dosing for seniors

NCT ID NCT06795100

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looked at how the body processes lidocaine, a common painkiller, in young (under 40) and elderly (over 70) patients during surgery. The goal was to find the best dose for older adults to manage pain safely while avoiding side effects. 67 participants were monitored to measure drug levels and clearance rates.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

67 people

The number who actually took part.

Started

Apr 2025

Finished

Feb 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

18 years and older

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: CI1 - Adult participant (≤ 40 years old) and (≥ 70 years old). CI2 - Undergoing abdominal, digestive, hepatic, urological, or gynecological surgery with an expected duration \> 2 hours. CI3 - Covered by a social security plan. CI4 - Provided with both oral and written information about the protocol and has signed informed consent to participate in this research. Exclusion Criteria: NC1 - Allergy to lidocaine or any of its excipients. NC2 - Presence of comorbidities that may alter lidocaine pharmacokinetics, such as: * Heart failure (ejection fraction \< 45%). * Renal failure (creatinine clearance \< 15 ml/min). * Hepatic failure (prothrombin time \< 15%). * Body Mass Index (BMI) \> 30. NC3 - Long-term treatment with an antiarrhythmic drug. NC4 - Ongoing treatment with strong CYP 1A2 inhibitors (e.g., Ciprofloxacin, Fluvoxamine) and/or CYP 1A2 inducers (e.g., Carbamazepine, Modafinil, Ritonavir). NC5 - Use of peripheral or neuraxial regional anesthesia or local anesthetic infiltration. NC6 - Known pregnancy or ongoing breastfeeding. NC7 - Adult under legal protection (e.g., judicial safeguard, guardianship, or tutelage) or deprived of liberty. NC8 - Participation in another interventional study. EXCLUSION CRITERIA EC1 - Any eligibility criterion that is no longer met between the signing of consent and the day of surgery. EC2 - Participant with no blood sample for pharmacokinetics

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As listed by the trial registrant

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

Contacts and locations

Locations

  • CHU de Rennes - Hôpital Pontchaillou

    Rennes, CHU de Rennes, 35033, France

  • CHU de Rennes - Hôpital Sud

    Rennes, 35000, France

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