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Finger sensor may predict dangerous blood pressure drops in C-Section moms

NCT ID NCT06769750

Knowledge-focused Sponsor: Assistance Publique - Hôpitaux de Paris 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looked at 45 pregnant women having planned C-sections to see if a simple finger sensor (measuring perfusion index) could predict dangerous drops in blood pressure after spinal anesthesia. The goal was to find an easy, non-invasive way to identify high-risk patients so doctors can personalize care. The study was completed and focused on understanding the prediction tool, not on providing 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.

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

45 people

The number who actually took part.

Started

Jun 2025

Finished

Dec 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 to 52 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: * Parturient women * With a term of more than 34 weeks' amenorrhea (SA) * Requiring a scheduled caesarean section under spinal anaesthesia at the maternity ward of the Hôpital Nord de Marseille (AP-HM). * Patients affiliated to a Social Security System Exclusion Criteria: * Urgent caesarean section * Contraindication to perimedullary anesthesia * Clinical features likely to distort the plethysmographic signal: scleroderma, Raynaud's syndrome, nail pathology, etc. * Presence of anti-hypertensive treatment * Cardiac arrhythmia * Anesthetist not trained in transthoracic cardiac echography * Refusal to participate in the study * Guardianship or curatorship, safeguard of justice * Instable Perfusion Index Signal

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As listed by the trial registrant

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

Post-spinal hypotension

Contacts and locations

Locations

  • Department of Anesthesia and Intensive Care, Perioperative Medicine, Hôpital Nord,

    Marseille, Marseilles, 13000, France

  • Hôpital Nord

    Marseille, 13000, France