Can ultrasound take the guesswork out of spinal anesthesia?

NCT ID NCT03687411

Recruiting now Knowledge-focused Sponsor: KK Women's and Children's Hospital Source: ClinicalTrials.gov ↗

First seen Aug 07, 2026 · Last updated Aug 07, 2026

Summary

This trial is developing and testing a system that uses ultrasound to automatically identify spinal landmarks, helping doctors find the right spot for spinal anesthesia. The study includes people who need spinal anesthesia for surgery, with a focus on obese patients, where traditional methods are less accurate. The goal is to see if this technology can improve the success rate of the first needle attempt and reduce complications.

What this could mean

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

Active substance: Neuraxial ultrasonography
What this could lead to: If successful, this could lead to a real-time ultrasound guidance system that makes spinal anesthesia safer and more effective, especially for people with obesity.
What could go wrong: This is an early-stage, multi-phase study with a small number of participants. The technology may not work as hoped, and results may not apply to everyone.

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder

As listed by the trial registrant

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

OBESITY SPINAL ANAESTHESIA

Contacts and locations

Locations

KK Women's and Children's Hospital
RECRUITING

Singapore, 229899, Singapore

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