Alcohol Use, UnspecifiedPhase 4NCT04331704
ANCHORS Alcohol & Sexual Health Study: UH3 Project
A Phase 4 study testing PrEP acronym (pre-exposure prophylaxis), Initial Web Survey and Interactive Voice Response (IVR) monitoring in people with Alcohol Use, Unspecified and Substance Use, run by University of Florida at 1 site in United States.
Trial summary
80 young adult men will complete an initial survey and receive 1 of 2 types of alcohol and sexual health education and information to encourage prevention of alcohol-related problems, HIV and other sexually transmitted infections (STIs). Read more about this study
- Who is it for?
- Ages 18 to 30 years, men onlyHealthy volunteers can take part
- Conditions the study is for
- Alcohol Use, Unspecified, Substance Use, Sex Behavior
- What is being tested?
- PrEP acronym (pre-exposure prophylaxis), Initial Web Survey and Interactive Voice Response (IVR) monitoring
- Type of treatment
- Pill or oral medicine, Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 88 participants
- Where
- 1 siteUnited States
- Study dates
- 12 Jan 2021to 30 Jun 2026
- Phase
- Phase 4
- 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 30 years
- Men only
- Healthy volunteers accepted
- Adult
Who may be able to join
- Ability to read and write English
- Consumption of 5 or more drinks per drinks in a day at least once in the past 30-days
- Sexual intercourse with another man without condom use at least once in the past 30 days
- HIV seronegative at medical screening
- Report currently taking PrEP willingness to take PrEP
Who cannot join
- History of clinically significant withdrawal from alcohol, defined as any one of the following: a) a lifetime history of seizures, delirium, or hallucinations during alcohol withdrawal; b) a Clinical Institute Withdrawal Assessment scale score > 8; c) a report of drinking to avoid withdrawal symptoms in the past 12 months; or d) a lifetime history of medical treatment for withdrawal.
- Self report injection drug use
- DSM-5 criteria for moderate or severe current substance use disorder besides alcohol and nicotine.
- Serious psychiatric symptoms
- Use of medications that interfere with PrEP including diuretics, nephrotoxic drugs, non-steroidal anti-inflammatory drugs, antiretroviral drugs or other drugs that may interfere with tenofovir excretion
- Active hepatitis B infection
- The following medical exclusions: serious or life-threatening conditions; inadequate biochemical, hepatic, hematologic, or pancreatic function according to laboratory testing
- Participant reports currently taking injectable PrEP
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
United States1 site, 1 recruiting
- Recruiting
University of Florida
Gainesville, Florida, 32611
Robert L. Cook, PhD, 352-273-5869, cookrl@ufl.edu
Robert L. Cook, PhD
About this study
Official title: Advancing New Computer-based Health Outreach Regarding Sexual Behavior (ANCHORS) Study: UH3 Project
80 young adult men will complete an initial survey and receive 1 of 2 types of alcohol and sexual health education and information to encourage prevention of alcohol-related problems, HIV and other sexually transmitted infections (STIs). Participants will then take pre-exposure prophylaxis (PrEP) for HIV prevention and complete a daily 5-minute, telephone-based interactive voice response (IVR) assessment of alcohol/substance use, sexual behavior and PrEP taking for 30 days. Medication will all be active PrEP. There is no placebo control in this study. Follow-up will occur after 30-days and 6-months later.
- Conditions
- Alcohol Use, Unspecified, Substance Use, Sex Behavior
- Being tested
- PrEP acronym (pre-exposure prophylaxis), Initial Web Survey, Interactive Voice Response (IVR) monitoring, Educational material on alcohol and sexual health behavior, Interactive Voice Response (IVR) assessment with personalized information
- Medical subject headings
- Alcohol Drinking, Substance-Related Disorders, Sexual Behavior
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
PrEP acronym (pre-exposure prophylaxis)Drug
Also called emtricitabine/tenofovir disoproxil fumarate
A daily tablet containing 245 mg of tenofovir disoproxil fumarate and 200 mg emtricitabine (Truvada; Gilead Sciences) for up to 30 days.
Initial Web SurveyBehavioural
Web-based assessment questions regarding alcohol and other substance use and sexual health behaviors
Interactive Voice Response (IVR) monitoringBehavioural
Daily telephone-based assessment on alcohol and other substance use, sexual health behavior and PrEP taking
Educational material on alcohol and sexual health behaviorBehavioural
Educational material to provide information, resources and techniques to enhance awareness regarding alcohol and other substance use, along with sexual health behavior.
Interactive Voice Response (IVR) assessment with personalized informationBehavioural
Daily telephone-based assessment on alcohol and other substance use, sexual health behavior and PrEP taking with personalized and information based on daily IVR responses
Personalized information based on web-based survey responses & standardized informationBehavioural
Personalized and information on alcohol use and sexual health behavior based on responses to the web-based survey along with standardized information.
| Study group | Role | What they receive |
|---|---|---|
| Personalized Information | Experimental | Participants randomized to this condition will complete a web-based questionnaire and then receive personalized information regarding their alcohol use and sexual health behavior. They will complete daily, phone-based IVR monitoring for assessment purposes and receive further personalized information based on their responses. Receives: Drug: PrEP acronym (pre-exposure prophylaxis); Behavioral: Initial Web Survey; Behavioral: Interactive Voice Response (IVR) assessment with personalized information; Behavioral: Personalized information based on web-based survey responses & standardized information |
| Educational Information | Active comparator | Participants randomized to this condition will complete a web-based questionnaire and then receive educational material regarding their alcohol use and sexual health behavior. They will complete daily phone-based IVR monitoring for assessment purposes. Receives: Drug: PrEP acronym (pre-exposure prophylaxis); Behavioral: Initial Web Survey; Behavioral: Interactive Voice Response (IVR) monitoring; Behavioral: Educational material on alcohol and sexual health behavior |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change in quantity of drinks per week
Change in self-reported number of alcoholic drinks per week
Measured: Baseline up to 1 and 6-month follow-up
Change in peak drinking quantity
Change in self-reported number of alcoholic drinks consumed on one's peak drinking day in the past 30 days
Measured: Baseline up to 1 and 6-month follow-up
PrEP levels in blood at end of intervention period
Determine whether or not participants have therapeutic levels of PrEP in their blood samples
Measured: 1-month follow-up
PrEP levels in blood at the end of the follow-up period
Determine whether or not participants have therapeutic levels of PrEP in their blood samples
Measured: 6-month follow-up
PrEP prescription fill with supporting documentation in the intervention period
Observation of whether or not a participant opts to fill a prescription for PrEP in the intervention period based on pharmacy documentation
Measured: during the 1-month intervention period
PrEP prescription fills with supporting documentation during the follow-up period
Observation of prescription fills for PrEP with documentation during the follow-up period based on pharmacy documentation
Measured: the 6-month follow-up period
Secondary outcomes (4)
Reduced alcohol use as a reason for adherence to PrEP
Test reductions in alcohol use following the intervention as a possible mechanism underlying relationships between the intervention and adherence to PrEP
Measured: Baseline up to 1 and 6-month follow-up
Change in perceived risk of HIV as a reason for adherence to PrEP
Test increase in Perceived Risk of HIV Scale score following the intervention as a possible mechanism underlying relationships between the intervention and adherence to PrEP
Measured: Baseline up to 1 and 6-month follow-up
Change in sexual risk behavior as a reason for adherence to PrEP
Test reduction in Risk Assessment Battery score following the intervention as a possible mechanism underlying relationships between the intervention and adherence to PrEP
Measured: Baseline up to 1 and 6-month follow-up
Increased motivation for behavior change as a reason for adherence to PrEP
Test increased score on the Contemplation Ladder for motivation to avoid risky sexual health behavior, to take PrEP and to reduce drinking following the intervention as a possible mechanism underlying relationships between the intervention and adherence to PrEP
Measured: Baseline up to 1 and 6-month follow-up
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted2 Apr 2020
- Study start12 Jan 2021
- Primary completion31 Dec 2025 (estimated)
- Study completion30 Jun 2026 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Alcohol Use, UnspecifiedStudies of the same condition, open and under way.
- More trials run by University of FloridaThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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 4
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 88 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University of Florida
- Sponsor type
- University, hospital or other
- Collaborators
- National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Responsible party
- Sponsor
- Investigators
- Robert L. Cook, PhD, Principal investigator, University of Florida
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04331704
- Sponsor's protocol ID
- IRB201902818-N
- Other IDs
- UH3AA026214, OCR31862, F31AA028751
- Status last verified
- Jul 2025
- First submitted
- 27 Mar 2020
- Last updated
- 10 Jul 2025
- Results posted
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 10 Jul 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Advancing New Computer-based Health Outreach Regarding Sexual Behavior (ANCHORS) Study: UH3 Project
- ClinicalTrials.gov ID
- NCT04331704
- Acronym / sponsor ID
- IRB201902818-N
- Conditions
- Alcohol Use, Unspecified, Substance Use, Sex Behavior
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 88 participants (estimated)
- Lead sponsor
- University of FloridaUniversity, hospital or other
- Collaborators
- National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Study start
- 12 Jan 2021 (actual)
- Primary completion
- 31 Dec 2025 (estimated)
- Study completion
- 30 Jun 2026 (estimated)
- First posted
- 2 Apr 2020 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
80 young adult men will complete an initial survey and receive 1 of 2 types of alcohol and sexual health education and information to encourage prevention of alcohol-related problems, HIV and other sexually transmitted infections (STIs). Participants will then take pre-exposure prophylaxis (PrEP) for HIV prevention and complete a daily 5-minute, telephone-based interactive voice response (IVR) assessment of alcohol/substance use, sexual behavior and PrEP taking for 30 days. Medication will all be active PrEP. There is no placebo control in this study. Follow-up will occur after 30-days and 6-months later.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Personalized Information | Experimental | Drug: PrEP acronym (pre-exposure prophylaxis), Behavioral: Initial Web Survey, Behavioral: Interactive Voice Response (IVR) assessment with personalized information, Behavioral: Personalized information based on web-based survey responses & standardized informationParticipants randomized to this condition will complete a web-based questionnaire and then receive personalized information regarding their alcohol use and sexual health behavior. They will complete daily, phone-based IVR monitoring for assessment purposes and receive further personalized information based on their responses. |
| Educational Information | Active comparator | Drug: PrEP acronym (pre-exposure prophylaxis), Behavioral: Initial Web Survey, Behavioral: Interactive Voice Response (IVR) monitoring, Behavioral: Educational material on alcohol and sexual health behaviorParticipants randomized to this condition will complete a web-based questionnaire and then receive educational material regarding their alcohol use and sexual health behavior. They will complete daily phone-based IVR monitoring for assessment purposes. |
Who may qualify
- Ages
- 18 to 30 years
- Sex
- Male only
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (5 listed)
- Ability to read and write English
- Consumption of 5 or more drinks per drinks in a day at least once in the past 30-days
- Sexual intercourse with another man without condom use at least once in the past 30 days
- HIV seronegative at medical screening
- Report currently taking PrEP willingness to take PrEP
Key exclusion criteria (8 listed)
- History of clinically significant withdrawal from alcohol, defined as any one of the following: a) a lifetime history of seizures, delirium, or hallucinations during alcohol withdrawal; b) a Clinical Institute Withdrawal Assessment scale score > 8; c) a report of drinking to avoid withdrawal symptoms in the past 12 months; or d) a lifetime history of medical treatment for withdrawal.
- Self report injection drug use
- DSM-5 criteria for moderate or severe current substance use disorder besides alcohol and nicotine.
- Serious psychiatric symptoms
- Use of medications that interfere with PrEP including diuretics, nephrotoxic drugs, non-steroidal anti-inflammatory drugs, antiretroviral drugs or other drugs that may interfere with tenofovir excretion
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| PrEP acronym (pre-exposure prophylaxis)Also: emtricitabine/tenofovir disoproxil fumarateA daily tablet containing 245 mg of tenofovir disoproxil fumarate and 200 mg emtricitabine (Truvada; Gilead Sciences) for up to 30 days. | Drug | Educational Information, Personalized Information |
| Initial Web SurveyWeb-based assessment questions regarding alcohol and other substance use and sexual health behaviors | Behavioural | Educational Information, Personalized Information |
| Interactive Voice Response (IVR) monitoringDaily telephone-based assessment on alcohol and other substance use, sexual health behavior and PrEP taking | Behavioural | Educational Information |
| Educational material on alcohol and sexual health behaviorEducational material to provide information, resources and techniques to enhance awareness regarding alcohol and other substance use, along with sexual health behavior. | Behavioural | Educational Information |
| Interactive Voice Response (IVR) assessment with personalized informationDaily telephone-based assessment on alcohol and other substance use, sexual health behavior and PrEP taking with personalized and information based on daily IVR responses | Behavioural | Personalized Information |
| Personalized information based on web-based survey responses & standardized informationPersonalized and information on alcohol use and sexual health behavior based on responses to the web-based survey along with standardized information. | Behavioural | Personalized Information |
Primary outcome
Change in quantity of drinks per week
Time frame: Baseline up to 1 and 6-month follow-up
Change in self-reported number of alcoholic drinks per week
Change in peak drinking quantity
Time frame: Baseline up to 1 and 6-month follow-up
Change in self-reported number of alcoholic drinks consumed on one's peak drinking day in the past 30 days
PrEP levels in blood at end of intervention period
Time frame: 1-month follow-up
Determine whether or not participants have therapeutic levels of PrEP in their blood samples
PrEP levels in blood at the end of the follow-up period
Time frame: 6-month follow-up
Determine whether or not participants have therapeutic levels of PrEP in their blood samples
PrEP prescription fill with supporting documentation in the intervention period
Time frame: during the 1-month intervention period
Observation of whether or not a participant opts to fill a prescription for PrEP in the intervention period based on pharmacy documentation
PrEP prescription fills with supporting documentation during the follow-up period
Time frame: the 6-month follow-up period
Observation of prescription fills for PrEP with documentation during the follow-up period based on pharmacy documentation
4 secondary outcomes
Reduced alcohol use as a reason for adherence to PrEP
Time frame: Baseline up to 1 and 6-month follow-up
Change in perceived risk of HIV as a reason for adherence to PrEP
Time frame: Baseline up to 1 and 6-month follow-up
Change in sexual risk behavior as a reason for adherence to PrEP
Time frame: Baseline up to 1 and 6-month follow-up
Increased motivation for behavior change as a reason for adherence to PrEP
Time frame: Baseline up to 1 and 6-month follow-up
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 10 Jul 2025.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Robert L. Cook, PhD principal investigator
University of Florida
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing PrEP acronym (pre-exposure prophylaxis), Initial Web Survey and Interactive Voice Response (IVR) monitoring in people with Alcohol Use, Unspecified and Substance Use, run by University of Florida at 1 site in United States.
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: looking for participants now, as of the sponsor's last update on 10 Jul 2025. 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 United States. 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. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
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 Robert L. Cook, PhD ((352) 273-5869, cookrl@ufl.edu), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change in quantity of drinks per week (time frame: Baseline up to 1 and 6-month follow-up). The study lists 6 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 10 Jul 2025.