Non-oxidative Metabolite Profiles After Increasing Doses of Ethanol
NCT ID: NCT02311686
Last Updated: 2016-05-16
Study Results
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Basic Information
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COMPLETED
PHASE1
54 participants
INTERVENTIONAL
2014-12-31
2016-05-31
Brief Summary
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Detailed Description
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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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Study Design
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NON_RANDOMIZED
SINGLE_GROUP
BASIC_SCIENCE
SINGLE
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.
10 g ethanol
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.
20 g ethanol
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.
40 g ethanol
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.
60 g ethanol
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.
80 g ethanol
Alcohol single oral dose
Interventions
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10 g ethanol
Alcohol single oral dose
20 g ethanol
Alcohol single oral dose
40 g ethanol
Alcohol single oral dose
60 g ethanol
Alcohol single oral dose
80 g ethanol
Alcohol single oral dose
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* 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
* 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
18 Years
55 Years
ALL
Yes
Sponsors
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Parc de Salut Mar
OTHER
Responsible Party
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Clara Pérez
PhD
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
Countries
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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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