Endogenous Opioid Modulation by Ketamine

Demonstrate the acute effects of ketamine on endogenous µ-opioid neurotransmission in humans.

Trial Details



Trial Number

Sponsors & Collaborators

University of Wisconsin-Madison
The Transdisciplinary Center for Research in Psychoactive Substances (TCRPS) was launched at the University of Wisconsin-Madison in 2021.

Measures Used

Hamilton Depression Rating Scale
The Hamilton Depression Rating Scale (HDRS) is a multiple item questionnaire used to provide an indication of depression, and as a guide to evaluating recovery. The scale consists of 17 items which each item being scoring on a 3 or 5 point scale. The higher the score, the more likely a person is depressed.

Data attribution

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