Treatment of Chronic Itch in Atopic Dermatitis With Topical Naltrexone

Withdrawn before enrolling · Phase 2 · Has a placebo group

Conditions studied: Atopic Dermatitis, Pruritus, Dermatitis

In brief

To study the etiology and the epigenetic pathways leading to and regulating chronic itch. Similarly, to examine the mechanisms underlying skin changes, including epigenetic alterations while also testing the efficacy of medications, especially topical intervention. In this study, the investigators aim to examine chronic sensory disorder mechanisms related to chronic itch.

Key facts

Study ID

NCT04154033

Run by

University of Minnesota

People needed

0

Starts

2020-10-01

Expected to finish

2024-03-31

Last updated by the study team

2021-04-20

Who can join

Age: 18 and older, up to 70. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Diagnosis of AD via simplified UK Working Group Criteria and a baseline PSGA score of 2 or greater
• Subjects taking hormone-containing medications must be on a stable dose for 6 months prior to study start to avoid any confounding influence on sensory and pain perception

You may not qualify if…

• Use of topical or oral anti-inflammatory medications for 2 weeks prior to the study start
• Use of topical or oral anti-histamines for 2 weeks prior to the study start
• Use of topical or oral anti-pruritic agents for 2 weeks prior to the study start
• Use of oral neuromodulatory agents for 2 months prior to study start
• Current use of chronic pain medications (including opioids, antidepressants and anti-epileptic drugs)
• Use of nicotine-containing products for the past 6 months prior to study start
• History of radiation or chemotherapy
• History of traumatic injury on prospective test sites
• Unstable thyroid function within the past 6 months prior to study start to exclude thyroid-related neuropathy (Duyff et al, 2000)
• Known history of central or peripheral nervous system dysfunction
• History of acute hepatitis, chronic liver disease or end stage liver disease
• History of human immunodeficiency virus (HIV) or acquired immune deficiency syndrome
• History of neuropathy associated with chronic obstructive pulmonary disease, diabetes mellitus, documented exposure to organophosphates or heavy metals or polychlorinated biphenyls
• Known nutritional deficiency (vitamin B12, vitamin D, iron or zinc) within 3 months prior to the study start
• Use of illicit drugs within the past 6 months prior to study start
• History of daily use of power tools
• Lyme disease, porphyria, rheumatoid arthritis, Hansen's disease (leprosy) or use of antineoplastic chemotherapeutic agents
• Subject has any medical condition that, in the judgment of the Investigator, would jeopardize the subject's safety following exposure to the administered medications

Where it is running

• University of Minnesota — Minneapolis, Minnesota, United States

Full record on ClinicalTrials.gov

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