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Alcohol DrinkingNCT07332429

Efficacy and Safety of Alcovit in Reducing Blood Alcohol Concentration

A study testing Alcovit® (Zeolite Clinoptilolite) in people with Alcohol Drinking and Blood Alcohol Content, run by Galzu Institute of Research, Teaching, Science and Applied Technology at 1 site in Brazil.

Not yet recruiting

Opening soon. The study is approved but enrolment has not started yet. Sites may already take enquiries.

Sites and contacts
Official record
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Trial summary

The goal of this clinical trial is to learn if Alcovit® (zeolite clinoptilolite) works to reduce blood alcohol concentration in healthy adults aged 18-70 years who are occasional or moderate alcohol consumers. It will also learn about the safety and tolerability of Alcovit®. Read more about this study

Who is it for?
Ages 18 to 70 yearsHealthy volunteers can take part
Conditions the study is for
Alcohol Drinking, Blood Alcohol Content, Hangover
What is being tested?
Alcovit® (Zeolite Clinoptilolite)
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
228 participants
Where
1 siteBrazil
Study dates
30 May 2026to 30 May 2027
Phase
Interventional
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 70 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Healthy adults aged 18 to 70 years;
  • Occasional or moderate alcohol consumers;
  • Willing to abstain from alcohol and Alcovit® for a period established in the study;
  • Voluntary willingness to participate in the study and sign the Informed Consent Form (ICF);
  • Availability to comply with the study schedule.

Who cannot join

  • History of alcohol use disorder (alcoholism) or abuse of other illicit substances;
  • Hepatic, renal, gastrointestinal diseases, diabetes, and chronic conditions;
  • Use of medications that interact with alcohol, including but not limited to: non-steroidal anti-inflammatory drugs (NSAIDs such as ibuprofen, diclofenac, naproxen), analgesics, antibiotics, antidepressants, benzodiazepines, anticoagulants, or any other medication that may interfere with alcohol metabolism or increase risks associated with alcohol consumption;
  • Pregnancy or breastfeeding (beta-hCG test will be performed);
  • Known allergy to any component of Alcovit® or placebo;
  • Patients already enrolled in other clinical trials;
  • Inability to provide free and informed consent;
  • Any clinically significant medical condition or medical history that, in the investigator's opinion, may discourage participation in the study.

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

Marcelo P Coutinho, MD, PhD contact

+55 22 992266669

coutinho_doc@hotmail.com

Brazil1 site
  • Hospital Santa Casa de Misericórdia de Campos

    Campos dos Goytacazes, Rio de Janeiro, 28035-053

    Ailton X Silva, MD, +55 22 99985-7370, instiutogalzu@galzu.org.br

Other trials in Brazil

About this study

Official title: Evaluation of the Efficacy and Safety of Alcovit (Zeolite Clinoptilolite) in Reducing Blood Alcohol Concentration in Healthy Individuals

The goal of this clinical trial is to learn if Alcovit® (zeolite clinoptilolite) works to reduce blood alcohol concentration in healthy adults aged 18-70 years who are occasional or moderate alcohol consumers. It will also learn about the safety and tolerability of Alcovit®. The main questions it aims to answer are:

  • Does Alcovit® reduce blood alcohol concentration when administered before or after standardized alcoholic beverage consumption compared to placebo?
  • What is the rate of alcohol elimination from the blood (mg/dL/hour) in participants taking Alcovit® compared to placebo?
  • Is Alcovit® well tolerated when administered before or after alcohol consumption?
Read more

Researchers will compare Alcovit® administered before alcohol consumption, Alcovit® administered after alcohol consumption, placebo administered before alcohol consumption, and placebo administered after alcohol consumption to see if Alcovit® effectively reduces blood alcohol levels.

Participants will:

  • Consume a standardized alcoholic beverage under controlled conditions;
  • Take Alcovit® or a placebo either 2-3 minutes before or after (within 5 minutes) alcohol consumption;
  • Have blood samples collected at baseline (30 minutes before), and at 20, 40, and 60 minutes after alcohol consumption to measure blood alcohol concentration;
  • Complete breathalyzer (etilometer) measurements at the same time points;
  • Answer questionnaire to assess alcohol hangover severity;
  • Have safety blood tests performed to monitor liver and kidney function.
Read the detailed description

The product has extensive international experience, having been marketed in several countries (Germany, Poland, Romania, Russia, Australia, Mexico, Colombia, Croatia, United States, Ukraine and Sweden) over the past 15 years, totaling 1,387,500 sachets sold without reports of toxicity.

The safety of clinoptilolite zeolite has been extensively evaluated by the European Food Safety Authority (EFSA) and by clinical trials, which confirmed its safety at typical food exposure levels, with no toxic side effects observed in humans or animals, even with prolonged use.

Alcovit® is formulated as an effervescent powder for suspension presented in 15g sachets and intended for healthy adults who are occasional or moderate consumers of alcoholic beverages.

The mechanism of action of Alcovit® is based on the ability of clinoptilolite zeolite to adsorb alcohol molecules in the stomach and small intestine, preventing their systemic absorption and promoting their natural elimination through the gastrointestinal tract.

Being tested
Alcovit® (Zeolite Clinoptilolite), Placebo
Keywords
Zeolite Clinoptilolite, Alcovit, Alcohol Absorption, Medical Device, Hangover Prevention, Blood Alcohol Concentration
Medical subject headings
Alcohol Drinking

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Alcovit® (Zeolite Clinoptilolite)Device

    Also called Alcovit (Pre-consumption), Alcovit (Post-consumption)

    Effervescent powder for oral suspension presented in 15g sachets, containing zeolite clinoptilolite (approximately 96% of the formulation) associated with B-complex vitamins (B1, B6, B12), vitamin C, and cupric chlorophyllin as natural colorant. The device is administered either immediately before alcohol consumption (2-3 minutes prior) or immediately after alcohol consumption (maximum 5 minutes after) depending on the assigned study arm.

  • PlaceboDevice

    Also called Placebo (Pre-consumption), Placebo (Post-consumption)

    Effervescent powder for oral suspension presented in 15g sachets. Inert substance with identical appearance, taste, and texture to Alcovit®, but without the active ingredient (zeolite clinoptilolite). The placebo is administered either immediately before alcohol consumption (2-3 minutes prior) or immediately after alcohol consumption (maximum 5 minutes after) depending on the assigned study arm.

Study groups in NCT07332429
Study groupRoleWhat they receive
Alcovit (Pre-consumption)ExperimentalParticipants receive the investigational device immediately before (2-3 minutes) consuming the standardized alcohol dose.
Receives: Device: Alcovit® (Zeolite Clinoptilolite)
Alcovit (Post-consumption)ExperimentalParticipants receive the investigational device immediately after (maximum 5 minutes) consuming the standardized alcohol dose.
Receives: Device: Alcovit® (Zeolite Clinoptilolite)
Placebo (Pre-consumption)Placebo comparatorParticipants receive the placebo immediately before consuming the standardized alcohol dose.
Receives: Device: Placebo
Placebo (Post-consumption)Placebo comparatorParticipants receive the placebo immediately after consuming the standardized alcohol dose.
Receives: Device: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Reduction in Blood Alcohol Levels and Breathalyzer Readings - Pre-consumption Administration

    Analysis of the reduction in blood alcohol levels and breathalyzer (ethylometer) readings in the Alcovit® group compared to the placebo group before alcohol consumption.

    Measured: Baseline (30 minutes before), 20 minutes, 40 minutes, and 60 minutes after alcohol consumption (Day 1)

  2. Reduction in Blood Alcohol Levels and Breathalyzer Readings - Post-consumption Administration

    Analysis of the reduction in blood alcohol levels and breathalyzer (ethylometer) readings in the Alcovit® group compared to the placebo group after alcohol consumption.

    Measured: Baseline (30 minutes before), 20 minutes, 40 minutes, and 60 minutes after alcohol consumption (Day 1).

Secondary outcomes (10)
  1. Correlation Between Blood Alcohol Reduction and Breathalyzer Readings

    Correlation between the reduction in blood alcohol levels and breathalyzer (ethylometer) readings.

    Measured: Baseline (30 minutes before), 20 minutes, 40 minutes, and 60 minutes after alcohol consumption (Day 1)

  2. Correlation Between Elimination Rate in Blood and Breathalyzer

    Correlation between the elimination rate of alcohol in blood and breathalyzer (ethylometer) readings.

    Measured: Baseline (30 minutes before), 20 minutes, 40 minutes, and 60 minutes after alcohol consumption (Day 1).

  3. Hangover Symptom Severity Using AHSS

    Evaluation of Alcovit® efficacy in mitigating hangover symptoms using the total score and subdomains of the Alcohol Hangover Severity Scale (AHSS).

    Measured: 24 hours after alcohol consumption (Day 1)

  4. Participant Experience with Alcovit® (Patient-Reported Outcomes)

    Participant experience with Alcovit® assessed by participant questionnaire.

    Measured: Day 1 to Day 2

  5. Adverse Events Reported by Participants (Clinician-Reported Outcomes)

    Analysis of adverse events reported by participants.

    Measured: Baseline (30 minutes before), 20 minutes, 40 minutes, and 60 minutes after alcohol consumption (Day 1)

  6. Number and Type of Adverse Events (Clinician-Reported Outcomes)

    Number and type of adverse events, unexpected adverse events, and serious adverse events.

    Measured: Day 1 to Day 44 (6 weeks)

  7. Changes in Hepatic Function Markers (Clinician-Reported Outcomes)

    Changes in hepatic function between Alcovit® administration groups before and after alcohol ingestion (distilled and fermented beverages) compared to control for AST, ALT, GGT, alkaline phosphatase (ALP), total bilirubin and fractions.

    Measured: Day 1 to Day 44 (6 weeks)

  8. Changes in Renal Function Markers (Clinician-Reported Outcomes)

    Changes in renal function between Alcovit® administration groups before and after alcohol ingestion (distilled and fermented beverages) compared to control for urea, creatinine, electrolytes, and urinalysis.

    Measured: Day 1 to Day 44 (6 weeks)

  9. Ease of Handling and Administration (Clinician-Reported Outcomes/Patient-Reported Outcomes)

    Ease of handling and administration of Alcovit® assessed by questionnaire administered to nursing staff.

    Measured: Day 1.

  10. Baseline Population Characteristics (Clinician-Reported Outcomes)

    Characterization of the study population and identification of potential confounding factors.

    Measured: Day 1 (baseline)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted12 Jan 2026
  2. Study start30 May 2026 (estimated)
  3. Primary completion30 May 2026 (estimated)
  4. Study completion30 May 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Model description
Four parallel groups with 1:1:1:1 randomization comparing Alcovit® (zeolite clinoptilolite) versus placebo, administered at different time points relative to alcohol consumption. Group 1: Alcovit® administered 2-3 minutes before standardized alcohol intake. Group 2: Alcovit® administered within 5 minutes after completing alcohol intake. Group 3: Placebo administered 2-3 minutes before alcohol intake. Group 4: Placebo administered within 5 minutes after completing alcohol intake. Each participant remains in their assigned group throughout the study.
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
228 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07332429
Sponsor's protocol ID
IGZ-06
Status last verified
Jan 2026
First submitted
30 Dec 2025
Last updated
12 Jan 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: Individual participant data will not be shared to protect participant privacy and confidentiality in accordance with Brazilian data protection laws (LGPD - Lei Geral de Proteção de Dados) and ethical requirements. Study results will be published in aggregated form only.

Questions about this trial

What is this clinical trial studying?

A study testing Alcovit® (Zeolite Clinoptilolite) in people with Alcohol Drinking and Blood Alcohol Content, run by Galzu Institute of Research, Teaching, Science and Applied Technology at 1 site in Brazil.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: opening soon, as of the sponsor's last update on 12 Jan 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Marcelo P Coutinho, MD, PhD (+55 22 992266669, coutinho_doc@hotmail.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Reduction in Blood Alcohol Levels and Breathalyzer Readings - Pre-consumption Administration (time frame: Baseline (30 minutes before), 20 minutes, 40 minutes, and 60 minutes after alcohol consumption (Day 1)). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Jan 2026.

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