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Women's cycle may change how anesthesia works during surgery

NCT ID NCT07456202

Knowledge-focused Sponsor: Ankara Etlik City Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 14, 2026 · Updated 2 times

Summary

This study watches 120 women having gallbladder surgery to see if their menstrual phase or menopause changes how much anesthesia they need and how sick they feel afterward. Researchers measure anesthesia use and track nausea and vomiting after surgery. The goal is to learn more, not to test a new treatment.

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

About 120 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2026

Expected to finish

Aug 2026

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

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 consists of female patients aged 18-65 years with American Society of Anesthesiologists (ASA) physical status I-II-III who are scheduled for elective laparoscopic cholecystectomy under general anesthesia. Participants will be classified according to hormonal status (follicular phase, luteal phase, or postmenopausal) based on postoperative serum progesterone levels. All patients will receive standard perioperative care, and no experimental intervention will be applied.

Ages

18 to 65 years

Sex

Female participants only

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: * Female patients aged 18 to 65 years * American Society of Anesthesiologists (ASA) physical status I-II-III * Scheduled for elective laparoscopic cholecystectomy under general anesthesia * Willing and able to provide written informed consent Exclusion Criteria: * Age outside the specified range (younger than 18 or older than 65 years) * Male patients * American Society of Anesthesiologists (ASA) physical status ≥ IV * Severe systemic comorbidities (e.g., significant cardiovascular, hepatic, renal, or pulmonary disease) * Conversion from laparoscopic to open cholecystectomy * History of alcohol, drug, or substance abuse * Visual or hearing impairment interfering with study assessments * Current hormone replacement therapy * Use of oral contraceptives * Preoperative nausea or vomiting * History of severe postoperative nausea and vomiting * Neurological or psychiatric disorders affecting assessment reliability * Hemodynamic instability during surgery * Postoperative admission to intensive care unit * Acute cholecystitis at the time of surgery * Refusal to participate or inability to provide informed consent

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Conditions

The condition(s) this trial relates to.

Postoperative Nausea and Vomiting

As listed by the trial registrant

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

Menstrual cycle Menstrual cycle and menopause

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Ankara Etlik City Hospital

    RECRUITING

    Ankara, Ankara, 06170, Turkey (Türkiye)

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