Some research suggests that administration of oxytocin with oxycodone may reduce its abuse liability and improve its ability to reduce pain. In a 6-session laboratory study, we will be evaluating the effects of oxycodone and oxytocin (combined and separately, across sessions) on experimentally-induced pain, subjective effects, and decision-making.
The overall project goals are to determine oxytocin effects on oxycodone's subject-rated abuse liability, and experimental pain. Generally healthy individuals (determined via medical history review and a screening session) will, after informed consent, self-administer intranasal oxytocin (or placebo, containing the same ingredients but no oxytocin) shortly after oral oxycodone or placebo in a non-residential, double-blind, randomized, placebo-controlled, within-subjects laboratory study. Prescreening will assure drug application safety and, using a validated, comprehensive pain history interview, determine previous or existing chronic pain conditions, including current pain medication use.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
DOUBLE
Enrollment
45
Oxycodone 5mg oral administration
Oxycodone 2.5mg oral administration
Oxycodone 0mg (placebo) oral administration
University of Florida
Gainesville, Florida, United States
RECRUITINGSubject-rated abuse liability
Using a Visual Analog Scale with scoring as 0=not at all, 20=possibly mild, 40=definitely mild, 60=moderately, 80=strongly, and 100=extremely, or any number in between. Testing occurs only in the context of 6 sessions due to a minimum of a one week washout period in between each session.
Time frame: Up to 6 weeks
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Intranasal oxytocin administration (48 IU)
Intranasal oxytocin placebo administration