Naltrexone Neuroimaging in Teens With Eating Disorders

Status Recruiting

Clinical Trial Summary

Using a randomized, placebo-controlled, crossover study, this study will evaluate functional magnetic resonance imaging (fMRI) as a pharmacodynamic biomarker of opioid antagonism in adolescents with eating disorders. The hypothesis is that fMRI will be able to detect acute reward pathway modulation by naltrexone (an opioid antagonist) in pre-defined regions of interest (anterior cingulate cortex, nucleus accumbens, dorsolateral prefrontal cortex).

Clinical Trial Description

The investigators will use a randomized, placebo-controlled, double-blind, crossover trial to evaluate the use of fMRI as a pharmacodynamic biomarker of reward system modulation. The overall goal of this work is to develop an objective tool to detect acute drug response. If validated in future, larger trials, the pharmacodynamic biomarker may facilitate early phase/quantitative pharmacology studies of novel or repurposed agents expected to modulate the reward system. The reward system will be antagonized by naltrexone in adolescents aged 13-21 years with an ED defined by binge/purge behaviors (e.g., Anorexia Nervosa-Binge Purge, Bulimia Nervosa, Binge Eating Disorder). A crossover design was chosen to quantify within-individual change in opioid reward pathway modulation following antagonism. Eligible patients will be randomly assigned to Group A or Group B. A statistician (or other non-study staff) will generate the schedule and communicate with the investigation drug service to maintain the double-blind design. A washout period of at least 14 days will exceed the 48-hour carry-over effect from naltrexone 50 mg administered orally. The two study visits will be mirrored in structure and duration to maintain blinding. It is not the intent of this study to generate data for submission to the FDA or to support a significant change in advertising of the drug. Storage, control and dispensation of the drug will occur through collaboration with the investigational drug service (IDS) pharmacy. Use of naltrexone for this study meets criteria for investigational new drug (IND) exemption, category #1 (21 Code of Federal Regulations (CFR) 312.2(b)(1)). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05509257
Study type	Interventional
Source	Children's Mercy Hospital Kansas City
Contact	John Tumberger, BS
Phone	8164829872
Email	jtumberger@cmh.edu
Status	Recruiting
Phase	Early Phase 1
Start date	September 17, 2022
Completion date	June 2027

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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.

Naltrexone Neuroimaging in Teens With Eating Disorders — NN-RCT

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms