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Updated May 2026 · ClinicalTrials.gov

RECRUITINGPhase 3INTERVENTIONAL

Emergency Department-Initiated Medications for Alcohol Use Disorder

Emergency Department-Initiated Medications for Alcohol Use Disorder (NCT05827159) is a Phase 3 interventional studying Alcohol Use Disorder, sponsored by Yale University. RECRUITING as of the most recent ClinicalTrials.gov update. Talk to your doctor before contacting the trial site.

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

The proposed study will be the first randomized clinical trial to evaluate a comprehensive Emergency Department (ED)-based intervention for moderate to severe Alcohol Use Disorder (AUD) combining Screening, Brief Intervention and Referral to Treatment (SBIRT) with ED-initiated medications for treatment of alcohol use disorder (MAUD). The primary objective of this phase 3 study is to evaluate for differences in treatment engagement 30 days after ED visit between emergency department patients with moderate to severe alcohol use disorder (AUD) who are randomized to initiate medications for the treatment for AUD in the ED in addition to receiving a brief intervention and referral to ongoing treatment, which all participants will receive. The secondary objective of this study is to evaluate the difference in reduction of heavy drinking days between the two ED treatment models during the 30 days post ED visit.

What Stage of Research Is This?

Phase 3 trials confirm efficacy and safety in large patient groups (often 300–3,000+) and form the evidence base for an FDA approval submission. For Alcohol Use Disorder, Phase 3 studies typically randomize participants between the investigational treatment and either a placebo or current standard of care. A successful Phase 3 result is the threshold most treatments need to clear before regulatory approval.

This trial is currently recruiting participants. The sponsor has registered the study with ClinicalTrials.gov as actively enrolling, which means new applicants who meet the eligibility criteria can be considered for screening. Trial status can change between updates — confirm current recruiting status with the study contact before traveling for a screening visit.

Target enrollment of 240 participants puts this in the typical range for a Phase 2-style efficacy study or a moderate Phase 3 trial in a focused Alcohol Use Disorder subpopulation. At this scale, the study has enough statistical power to detect a clear treatment effect but is not the largest cohort in the field.

Who May Be Eligible (Plain English)

Who May Qualify: 1. Between 18 and 80 years in age 2. Diagnosed with moderate to severe Alcohol Use Disorder 3. Stated willingness and ability to comply with all study procedures and availability for the duration of the study 4. Reproductive aged females will have a negative pregnancy test within the past 24 hours and agree to use of highly effective family planning during study participation period 5. Able to speak English sufficiently to understand study procedures and provide written willing to sign a consent form to participate in the study. 6. Clinical Alcohol Withdrawal Scale (CIWA-Ar) ≥ 4. Who Should NOT Join This Trial: 1. A current diagnosis of OUD, self-reported past 7 day opioid or opioid pain medication use, or a positive urine opioid screen (opiates, methadone, buprenorphine, oxycodone, hydrocodone, tramadol and fentanyl) 2. Current prescription of opioid pain medications, or anticipated need for opioid pain medications during the study period (i.e. planned surgery) 3. History of complicated alcohol withdrawal 4. Condition that precludes interview (i.e., life threatening injury/illness) 5. Inability to consent due to cognitive impairment 6. Awaiting an acute psychiatric evaluation for psychosis or suicidal ideation 7. In police custody 8. Unable to provide contact information 9. Previously enrolled in this study or currently enrolled in another study for which they are currently receiving study medications or active ongoing intervention 10. Any contraindication to naltrexone or gabapentin, including known allergy, renal failure, acute hepatitis, hepatic failure,1 or severe lung disease or other chronic conditions such as chronic obstructive pulmonary disease (COPD). 11. Creatine Clearance \<60 mL/min within past 72 hours. 12. Currently pregnant or breast feeding 13. Requiring hospitalization at the time of the index visit 14. Past week treatment with medications for the treatment of alcohol use disorder ...See full criteria on ClinicalTrials.gov Always talk to your doctor about whether this trial is right for you.

These are translations of the protocol\'s inclusion and exclusion criteria, simplified for patients and caregivers. The original clinical text appears below. Eligibility is ultimately confirmed by the trial site\'s screening process — this summary is a starting point for a conversation with your doctor, not a final determination.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: 1. Between 18 and 80 years in age 2. Diagnosed with moderate to severe Alcohol Use Disorder 3. Stated willingness and ability to comply with all study procedures and availability for the duration of the study 4. Reproductive aged females will have a negative pregnancy test within the past 24 hours and agree to use of highly effective family planning during study participation period 5. Able to speak English sufficiently to understand study procedures and provide written informed consent to participate in the study. 6. Clinical Alcohol Withdrawal Scale (CIWA-Ar) ≥ 4. Exclusion Criteria: 1. A current diagnosis of OUD, self-reported past 7 day opioid or opioid pain medication use, or a positive urine opioid screen (opiates, methadone, buprenorphine, oxycodone, hydrocodone, tramadol and fentanyl) 2. Current prescription of opioid pain medications, or anticipated need for opioid pain medications during the study period (i.e. planned surgery) 3. History of complicated alcohol withdrawal 4. Condition that precludes interview (i.e., life threatening injury/illness) 5. Inability to consent due to cognitive impairment 6. Awaiting an acute psychiatric evaluation for psychosis or suicidal ideation 7. In police custody 8. Unable to provide contact information 9. Previously enrolled in this study or currently enrolled in another study for which they are currently receiving study medications or active ongoing intervention 10. Any contraindication to naltrexone or gabapentin, including known allergy, renal failure, acute hepatitis, hepatic failure,1 or severe lung disease or other chronic conditions such as chronic obstructive pulmonary disease (COPD). 11. Creatine Clearance \<60 mL/min within past 72 hours. 12. Currently pregnant or breast feeding 13. Requiring hospitalization at the time of the index visit 14. Past week treatment with medications for the treatment of alcohol use disorder 15. Taking gabapentin or naltrexone for any reason 16. Appearing unable or unwilling to comply with discharge instructions or complete follow-up 17. Current residence outside of the state of Connecticut

Treatments Being Tested

DRUG

Naltrexone Pill

In the MAUD component, some participants will receive oral Naltrexone in the ED.

DRUG

Naltrexone Injection

In the MAUD component, some participants will receive a dose of XR-NTX (injection) in the ED.

BEHAVIORAL

Brief Negotiation Interview

Brief Negotiation Interview (BNI) has four key components: (1) permission to discuss substance use, (2) feedback on the health consequences of ongoing substance use, including making a connection between the ED visit and substance use, (3) motivational enhancement, and (4) negotiation and advice.

DRUG

Gabapentin Pill

In the MAUD component, ancillary treatment with gabapentin will be provided.

Locations (1)

Trial sites listed on ClinicalTrials.gov for this study. Site activation status can vary — confirm with the specific site before traveling for a screening visit.

Yale New Haven Hospital
New Haven, Connecticut, United States

How to Talk to Your Doctor About This Trial

Bring the printable summary of this trial — including the NCT ID (NCT05827159), the sponsor (Yale University), and the key eligibility criteria — to your next appointment. Your doctor can review the inclusion and exclusion criteria against your medical history, lab values, and current treatments to assess whether you are likely to qualify. They can also help you weigh whether trial participation makes sense alongside your existing care plan.

Useful questions to walk through together: What does the trial protocol require beyond standard care? How long is the active treatment phase, and how long is follow-up? Are there study visits at sites I can reach? Who pays for the trial-specific procedures, and who pays for standard-of-care portions? See our 25 questions to ask about clinical trials guide for a more complete checklist.

Authoritative Sources

The official record for this trial lives on ClinicalTrials.gov — the federal registry maintained by the National Library of Medicine at NIH. For background on how this trial fits into the FDA approval pathway, see the FDA drug approval process. For oncology-specific guidance for patients considering trials, the National Cancer Institute publishes patient-oriented overviews. International trial registries are aggregated by the WHO ICTRP.

Frequently Asked Questions

What is the NCT05827159 clinical trial studying?

The proposed study will be the first randomized clinical trial to evaluate a comprehensive Emergency Department (ED)-based intervention for moderate to severe Alcohol Use Disorder (AUD) combining Screening, Brief Intervention and Referral to Treatment (SBIRT) with ED-initiated medications for treatment of alcohol use disorder (MAUD). The primary objective of this phase 3 study is to evaluate for differences in treatment engagement 30 days after ED visit between emergency department patients with moderate to severe alcohol use disorder (AUD) who are randomized to initiate medications for the t… The full protocol is registered on ClinicalTrials.gov and includes the primary outcome measures, eligibility criteria, and study endpoints.

Who can participate in NCT05827159?

Eligibility for this trial depends on the specific inclusion and exclusion criteria set by the sponsor. The plain-English summary above translates the most important criteria into accessible language; the official clinical text is preserved in the collapsible section underneath. Whether you fit any specific trial is a medical decision your doctor needs to confirm — bring the trial information to your treating physician for a full review against your medical history.

How do I contact the trial site for NCT05827159?

Contact information registered with ClinicalTrials.gov is shown in the sidebar of this page. Before reaching out, confirm with your treating physician that this trial is appropriate for your situation. The trial site will then walk you through the screening process to determine final eligibility.

Is participating in a clinical trial safe?

Clinical trials in the United States are regulated by the FDA and overseen by Institutional Review Boards (IRBs) that review the protocol for safety. Risk varies by trial — Phase 1 studies test new treatments in humans for the first time, while Phase 3 trials use treatments that have already passed earlier safety screening. The informed consent document for any specific trial details the known risks and what to expect. Discuss those risks with your physician before deciding whether to participate.

Where can I verify the data on this page?

Every detail on this page comes directly from the ClinicalTrials.gov API. Click "View on ClinicalTrials.gov" in the sidebar to see the official, unmodified record. The federal record is always authoritative; this page is a structured presentation with a plain-English eligibility translation. For background on how clinical trials are regulated, see the FDA drug approval process documentation.

How This Page Is Built

Every field on this page is pulled directly from the ClinicalTrials.gov API v2 — no estimates, no proxies. The plain-English eligibility translation is generated from the original protocol text and reviewed for fidelity to the underlying clinical criteria. The original clinical text remains visible in the collapsible section above so users and clinicians can verify the translation. Read the full methodology for the data pipeline and known limitations.

Source: ClinicalTrials.gov API v2 record for NCT05827159. Maintained by the National Library of Medicine at NIH. Public domain. Cite as: "TrialFinderData. NCT05827159. Data: ClinicalTrials.gov."

Medical disclaimer: This page is informational, not medical advice. Talk to your doctor about whether a clinical trial is right for you.

Last updated 2026-05-08 · Data from ClinicalTrials.gov.