Can a fake numbing shot fool patients? scientists find out
NCT ID NCT06668116
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested different dilutions of a numbing drug (ropivacaine) on 17 healthy volunteers to find a dose that feels like a real nerve block but doesn't actually relieve pain. The goal is to create a convincing placebo for future research, so scientists can run fair tests on whether nerve blocks truly help with pain. The study is complete and focused on improving how we design pain trials.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- ropivacaine
- What this could lead to
- If successful, this could enable better placebo-controlled trials to accurately measure the true effects of nerve blocks for pain management.
- What could go wrong
- This is a small, early-stage study on healthy volunteers, not patients. The placebo solution may not work as well in real-world pain conditions.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for HEALTHY are added.
By submitting, you agree to our Terms of use
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
-
Balgrist University Hospital
Zurich, Canton of Zurich, 8008, Switzerland
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Could a new oral drug change future treatments? early safety trial begins
- Can brain scans unlock the secret to hearing in crowded rooms?
- Can a Light-Guided device make arterial sticks easier?
- Water workouts could be the key to back pain relief
- Could everyday disinfectants be harming us? a new study investigates
- Can a new drug keep the Heart's beat steady? trial puts verducatib to the test