A simple pressure test before surgery might reveal your risk of chronic pain

NCT ID NCT04014829

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

First seen Aug 14, 2026 · Last updated Aug 14, 2026

Summary

This study follows 436 women undergoing hysterectomy for non-cancerous reasons to see if certain pre-surgery assessments can predict who will develop chronic pain lasting months after the operation. Researchers measure pain sensitivity using a pressure device on the shoulders, and use questionnaires to gauge central sensitization, fear-avoidance behavior, and anxiety. The goal is to identify reliable, easy-to-use factors that could flag women at higher risk, potentially allowing for earlier and more personalized pain management.

What this could mean

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

Active substance: Pain-pressure threshold testing and questionnaires (Central Sensitization Inventory, Fear-Avoidance Components Scale, anxiety assessments)
What this could lead to: If certain pre-surgery measures reliably predict chronic pain, doctors could identify high-risk patients and tailor pain management to prevent long-term suffering.
What could go wrong: This is an observational study, so it can only find associations, not prove cause and effect. The findings may not apply to all hysterectomy patients or lead to a proven prevention strategy.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

Chronic Pain chronic pain syndrome mixed anxiety and depressive disorder

As listed by the trial registrant

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

ANXIETY DEPRESSION CENTRAL SENSITISATION CHRONIC PAIN HYSTERECTOMY

Contacts and locations

Locations

KK Women's and Children's Hospital
RECRUITING

Singapore, 229899, Singapore

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