Non-oxidative Metabolite Profiles After Increasing Doses of Ethanol

NCT ID: NCT02311686

Last Updated: 2016-05-16

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

54 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-12-31

Study Completion Date

2016-05-31

Brief Summary

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The aim of the study is to study the profile of ethanol and non-oxidative biomarkers (ethyl glucuronide, ethyl sulphate and fatty acid ethyl esters) after experimental administration of increasing doses of alcohol in adult subjects.

Detailed Description

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The abuse of alcohol causes serious health and social problems. Alcohol consumption can be monitored by detecting biomarkers. In current practice indirect biomarkers (mean corpuscular volume, transaminases, gammaglutamyl or carbohydrate-deficient transferrin) are used, although direct biomarkers of alcohol, including alcohol itself and metabolites also exist.

Biomarkers of alcohol consumption are used as tools to prevent health and social problems related with alcohol, allowing the identification of subjects at risk of abuse, dependence or withdrawal and to assess the efficacy of treatments for alcohol dependence.

Non-oxidative metabolites (ethyl glucuronide, ethyl sulphate and fatty acid ethyl esters) have longer biological half-life than ethanol and accumulate in tissues after consumption.

The objective of the study is to study the profile of ethanol and non-oxidative biomarkers (ethyl glucuronide, ethyl sulphate and fatty acid ethyl esters) after experimental administration of increasing doses of alcohol in adult subjects.

Subjects will be genotyped for genetic polymorphisms of proteins related to ethanol metabolism and effects (as alcohol dehydrogenase and aldehyde dehydrogenase), and the genotypes will be used to evaluate their influence in the results.

Conditions

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Alcohol Consumption Healthy

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

SINGLE

Participants

Study Groups

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10 g ethanol

Subjects will be required to drink a dilution of 31 mL of vodka in 369 mL of lemon-flavored water in 15 minutes.

Group Type EXPERIMENTAL

10 g ethanol

Intervention Type DIETARY_SUPPLEMENT

Alcohol single oral dose

20 g ethanol

Subjects will be required to drink a dilution of 63 mL of vodka in 337 mL of lemon-flavored water in 15 minutes.

Group Type EXPERIMENTAL

20 g ethanol

Intervention Type DIETARY_SUPPLEMENT

Alcohol single oral dose

40 g ethanol

Subjects will be required to drink a dilution of 125 mL of vodka in 275 mL of lemon-flavored water in 15 minutes.

Group Type EXPERIMENTAL

40 g ethanol

Intervention Type DIETARY_SUPPLEMENT

Alcohol single oral dose

60 g ethanol

Subjects will be required to drink a dilution of 188 mL of vodka in 212 mL of lemon-flavored water in 15 minutes.

Group Type EXPERIMENTAL

60 g ethanol

Intervention Type DIETARY_SUPPLEMENT

Alcohol single oral dose

80 g ethanol

Subjects will be required to drink a dilution of 250 mL of vodka in 150 mL of lemon-flavored water in 15 minutes.

Group Type EXPERIMENTAL

80 g ethanol

Intervention Type DIETARY_SUPPLEMENT

Alcohol single oral dose

Interventions

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10 g ethanol

Alcohol single oral dose

Intervention Type DIETARY_SUPPLEMENT

20 g ethanol

Alcohol single oral dose

Intervention Type DIETARY_SUPPLEMENT

40 g ethanol

Alcohol single oral dose

Intervention Type DIETARY_SUPPLEMENT

60 g ethanol

Alcohol single oral dose

Intervention Type DIETARY_SUPPLEMENT

80 g ethanol

Alcohol single oral dose

Intervention Type DIETARY_SUPPLEMENT

Other Intervention Names

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Vodka Absolut® Vodka Absolut® Vodka Absolut® Vodka Absolut® Vodka Absolut®

Eligibility Criteria

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Inclusion Criteria

* Understand and accept the study's procedures and sign an informed consent form
* No evidence of somatic or psychiatric disorders as per past medical history and physical examination
* EKG, blood and urine tests taken before entry into the study within the normal range. Minor and transient abnormalities may be acceptable if, according to the Principal Investigator's criterion and the state of the art, they are felt to have no clinical relevance, entail no danger to the participant, and don't interfere with the product's assessment. These abnormalities and their non-relevance must be specifically justified in writing)
* Body mass index (BMI=weight/heigth2) between 19 and 29 kg/m2, weight between 50 and 100 kg (for the 60 and 80 g doses, subjects will be required to weigh a minimum of 67 kg)
* For premenopausal females, a regular menstrual cycle of 26-32 days duration.
* Social or recreational alcohol consumption of at least 1 unit per day (or its equivalent \[7 units\] over the whole week) and having experienced drunkenness several times

Exclusion Criteria

* Evidence of a preexisting condition (including gastrointestinal, liver, or kidney disorders) that may alter the absorption, distribution, metabolism or excretion of the drug or symptoms suggestive of drug-induced gastrointestinal irritation
* Previous psychiatric disorders, alcoholism, abuse of prescription drugs or illegal substances or regular consumption of psychoactive drugs
* Having donated blood or having participated in this same study in the preceding 8 weeks, or having participated in any clinical trial with drugs in the preceding 12 weeks
* Having had any somatic disease or having undergone major surgery in the 3 months prior to inclusion in the trial
* Individuals intolerant or having experienced a severe adverse reaction to alcohol
* Having regularly taken medication in the month before the trial, except for vitamins, herb-based remedies, dietary supplements that if, according to the Principal Investigator or his appointed collaborators' opinion, they pose no threat to the subjects and they won't interfere with the study's objectives. Single doses of symptomatic drugs taken during the week before the experimental session will not constitute an exclusion criterion if it can be assumed that it has been completely eliminated on the day of the experimental session
* Smokers of \>10 cigarettes/day
* Consumption of \>20 g/day of alcohol (females) or of \>40 g/day (males)
* Daily consumption of more than 5 coffees, teas, cola drinks or other stimulant or xanthine-containing beverages in the 3 months prior to inclusion in the study
* Hepatitis B, hepatitis C or human immunodeficiency virus-positive individuals
* Pregnant or lactating women, or those using hormonal or unreliable contraceptive methods during the study period. Complete abstinence, intrauterine devices, double barrier methods or a vasectomized sexual partner will be considered acceptable
* Women with amenorrhea or suffering severe premenstrual syndrome
* Individuals of Asian ascent
Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Parc de Salut Mar

OTHER

Sponsor Role lead

Responsible Party

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Clara Pérez

PhD

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Francina Fonseca, MD, PhD

Role: STUDY_DIRECTOR

Parc de Salut Mar

Clara Pérez, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

Parc de Salut Mar

Locations

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Parc de Salut Mar (IMIM)

Barcelona, Barcelona, Spain

Site Status

Countries

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Spain

References

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Other Identifiers

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Biomarcadores/PNSD/1

Identifier Type: -

Identifier Source: org_study_id

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