Healthy Clinical Trial - Interaction Between a Natural Aldehyde

Status Completed

Clinical Trial Summary

The main objective is to assess whether a natural inhibitor of aldehyde dehydrogenase 2 (ALDH2) contained in a soy extract could interfere on alcohol metabolism and effects in humans.

Clinical Trial Description

Soybeans contain isoflavones, which are biologically active polyphenols known as antioxidants and phytoestrogens. These isoflavones include daidzin, daidzein, genistin and glycitin, and have been implicated in the beneficial effects of soy consumption.

Daidzin and daidzein are isoflavones contained in soybean that can act as natural inhibitors of aldehyde dehydrogenase 2. Animal studies have demonstrated that some soy isoflavones can reduce the auto-administration of cocaine and suggest they might be useful to treat cocaine dependence.

Aldehyde dehydrogenase inhibitors, as disulfiram, are currently used in humans to treat alcohol dependence because they interfere with ethanol metabolism (specifically in the transformation of acetaldehyde to acetate.

Alcohol intake after disulfiram administration increases concentration of acetaldehyde in the blood (five to 10 times higher than that found during metabolism of the same amount of alcohol alone). The combination produced acute symptoms of a severe "hangover" (named disulfiram-like reaction), and the patient may experience symptoms as flushing of the skin, tachycardia, shortness of breath, nausea, vomiting, throbbing headache, visual disturbances, mental confusion, and in some cases severe reactions as postural syncope, and circulatory collapse.

In addition, disulfiram have demonstrated clinical efficacy in cocaine dependence. The mechanism of action for that effects are related to its ability to decrease dopamine degradation by inhibiting the dopamine-beta-hydroxylase enzyme (metabolizes dopamine to norepinephrine), and increasing its concentrations in some areas of the brain.

The aim of the study is to assess whether a soy extract containing isoflavones (daidzin, daidzein and genistein) could interfere on alcohol metabolism and produce adverse effects in humans. ;

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Crossover Assignment, Masking: Open Label

Related Conditions & MeSH terms

Healthy

Clinical Trial Details

NCT number	NCT02309801
Study type	Interventional
Source	Parc de Salut Mar
Contact
Status	Completed
Phase	Phase 1
Start date	July 2012
Completion date	November 2014

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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.

Interaction Between a Natural Aldehyde Dehydrogenase 2 (ALDH2) Inhibitor and Alcohol — COCADEP/2

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms