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New model aims to predict dangerous blood pressure drop in C-Section patients

NCT ID NCT07689825

Knowledge-focused Sponsor: Peking University Shenzhen Hospital Source: ClinicalTrials.gov ↗

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The trial has finished. Results may not be published yet.
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Cancelled before anyone took part.

Expanded access (not trials)

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Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
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When the status isn't known

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First seen Jul 08, 2026 · Last updated Jul 28, 2026 · Updated 3 times

Summary

This study aims to create a risk prediction model for low blood pressure (hypotension) after spinal anesthesia in women undergoing planned cesarean delivery. Researchers monitor heart rate, blood pressure, perfusion index, and ECG/SpO₂ waveforms before and during surgery to identify high-risk patients. The goal is to help doctors take preventive steps, such as giving medications or increasing monitoring, to protect both mother and baby.

What this could mean

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

What this could lead to
If successful, this could help doctors identify women at high risk for dangerous blood pressure drops during C-sections, allowing early preventive care.
What could go wrong
This is an observational study, not a treatment trial. The prediction model may not be accurate enough for widespread use and needs further validation.

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 145 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Jul 2027

An estimate. End dates often move.

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

Singleton pregnant women aged ≥18 years with gestational age ≥37 weeks, scheduled for cesarean section.

Ages

18 to 50 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: * Singleton pregnant women aged ≥18 years with gestational age ≥37 weeks, scheduled for cesarean section. * Informed consent was obtained from all participants. Exclusion Criteria: * Emergency cesarean sections or cases requiring general anesthesia. * Maternal age \< 18 years. * Major obstetric complications (e.g., placenta previa, gestational hypertension, preeclampsia) or significant cardiovascular/cerebrovascular diseases. * Body Mass Index (BMI) ≥ 36 kg/m². * Gestational age \< 36 weeks or \> 41 weeks. * Contraindications to neuraxial anesthesia. * Refusal to participate.

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As listed by the trial registrant

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

Cesarean section

How to take part

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  1. The places running it

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  2. The official record

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Contacts and locations

Locations

  • Peking University Shenzhen Hospital

    Shenzhen, Guangdong, 518000, China

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