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Energy drinks or warming mattress: which keeps C-Section moms warmer?

NCT ID NCT06017076

Symptom relief Sponsor: Peking University People's Hospital Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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)
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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This status has not been confirmed recently, so it may be out of date.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 tested whether drinking an energy drink before a planned C-section keeps the mother as warm as using a warming mattress during surgery. 302 women having elective C-sections took part. The goal was to see which method better prevents a drop in body temperature during the procedure.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

302 people

The number who actually took part.

Started

Sep 2023

Finished

Nov 2025

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

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: * Women pregnant with a single fetus; * American Society of Anesthesiologists (ASA) physical status II; * Willingness to undergo elective cesarean delivery under combined spinal-epidural anesthesia; * A body mass index (BMI) \< 35 kg·m-2; * A gestational age of 38-40 weeks. Exclusion Criteria: * Contraindications for combined spinal-epidural anesthesia; * A diagnosis of delayed gastric emptying, hyperemesis gravidarum until late pregnancy, or consumption of drugs that affect gastrointestinal motility within 3 days before surgery; * Preoperative body temperature \>38°C or \<36°C or the use of drugs that affect body temperature; * Pregnancy combined with diabetes, hypertension, or metabolic disorders (eg, hypothyroidism or hyperthyroidism); * Ear diseases (eg, otitis media, tympanic membrane perforation, etc) affecting measurement of ear temperature; * Intraoperative malfunction of the warming blanket; * Patients who were simultaneously undergoing other operations (eg, removal of uterine fibroids and ovarian cysts) or had a surgical time \>1.5 hours; * Patients with blood transfusion or autologous blood transfusion intraoperatively; * Patients who did not receive the anesthetic specified in the protocol; * Patients who failed to drink 125ml energy drinks before surgery.

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As listed by the trial registrant

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

Cesarean section complications

Contacts and locations

Locations

  • Department of Anesthesiology, Peking University People's Hospital, 11 Xizhimen South Street, Xicheng District, Beijing, People's Republic of China

    Beijing, Beijing Municipality, 100000, China

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