Neuropharmacological Basis of Social Connection: The Role of Opioids

Status Completed

Clinical Trial Summary

From birth we rely on others for comfort and care and derive pleasure from being together. Research from the fields of health psychology, social psychology, and public health converge to highlight the importance of having and maintaining good relationships for overall health. Indeed, having close friends and family and feeling connected to them has been called a basic need, similar to our need for food and water. It may not be a coincidence then that feelings of connection rely on similar systems in the body as other needs that are both basic and highly pleasing and rewarding. For instance, its possible that opioids, a substance in the body associated with pleasant, euphoric feelings, may also be important for connecting with others. This study will examine the role of opioids in feeling connected to others by administering a drug called naltrexone, that effects opioid processing in the body, on perceptions and feelings toward a number of tasks in the lab. Additionally, to assess the effects of naltrexone outside of the lab, participants will complete daily diary responses via text and online surveys.

40 participants will take both placebo and naltrexone. Participants will complete two sessions, one in each drug condition, in which they complete a number of tasks including reading messages on a computer screen, holding a number of objects, and viewing images while undergoing electric shocks. Participants will also complete a daily diary for 14 days while on naltrexone and placebo. Prior to these lab sessions participants will be screened at UCLA's Clinical & Translational Research Center (CTRC) to ensure that they are healthy and that it is safe for them to take the study drug.

We hypothesize that people will report feeling less socially connected when on naltrexone compared to placebo and will show subsequent changes in social behavior outside of the lab.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Basic Science

Related Conditions & MeSH terms

Psychology, Social

Clinical Trial Details

NCT number	NCT01672723
Study type	Interventional
Source	University of California, Los Angeles
Contact
Status	Completed
Phase	N/A
Start date	October 2012
Completion date	February 2014

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.