New Ketamine-Like drug could ease nerve pain without the high
NCT ID NCT05864053
First seen Jan 11, 2026 · Last updated Jun 23, 2026 · Updated 22 times
Summary
This study tests a new drug called (2R,6R)-hydroxynorketamine (HNK) for chronic nerve pain in the arms or legs. 25 adults will receive a single infusion of HNK, ketamine, or a placebo in random order, with 5 weeks between each. Researchers will measure pain levels, sleep, and daily function for 5 weeks after each infusion to see how well HNK works and how long the effect lasts.
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Rush University Medical Center
RECRUITINGChicago, Illinois, 60612, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
(2R,6R)-hydroxynorketamine
What this could lead to
If it works, this could point toward a new painkiller for nerve pain with fewer side effects than ketamine.
What could go wrong
This is a very early, small trial with only 25 people. The drug may not work better than placebo, and side effects are not yet well understood.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.