A Comparison of the Addiction Liability of Hydrocodone and Sustained Release Morphine

This study is exploring psychotherapy or therapy for people with addiction. Participants may complete study visits, assessments, or follow-up activities defined by the research team. Direct benefit is not guaranteed. The detailed objective is not always clearly listed in the public registry; the study team can confirm.

This appears to be a behavioral / psychological / psychosocial study involving Markers of Abuse Liability, Neuropsych Testing, and Cue Reactivity, ER Morphine, hydrocodone plus acetaminophen, placebo. Phase 4 studies usually happen after treatment approval, to monitor real-world use.

The public registry appears to mention tobacco, nicotine, alcohol, cannabis, or another addiction-related topic. Ask the study team whether you need to want to stop, reduce, already be abstinent, or simply meet use-related criteria. Eligibility must be confirmed by the study team.

You may take part in sessions or exercises related to habits, thoughts, emotions, or behaviors. The listed study locations suggest that at least part of participation may involve a physical site. Ask whether some steps can be done remotely.

Behavioral studies can involve habits, emotions, motivation, stress, sleep, or ways of thinking. Ask whether the intervention could affect your mood or stress, and who to contact if you feel worse. For any mental health study, also ask who to contact if you feel worse, whether participation may affect current treatment, whether you can stop, and who confirms eligibility.

The listed study locations suggest that at least part of participation may involve a physical site. Ask which sites are open, how many visits are expected, whether any steps can be done remotely, and whether travel costs or compensation are listed.

This study is sponsored by University of California, Davis, which appears to be a university. If available, it can be useful to check the sponsor website, collaborators, investigator affiliation, and the official registry before deciding. HopeStage does not judge the quality of a sponsor or researcher, but helps you identify what to verify.

The public registry lists this study as not currently recruiting. This page remains available for information. Check the official record for the latest status and explore other recruiting studies.