Not Yet RecruitingEarly Phase 1

Haloperidol For Outpatient Symptom Management in Patients Diagnosed With Cannabinoid Hyperemesis Syndrome in the Emergrency Department

United States100 participantsStarted 2026-11

Plain-language summary

Patients diagnosed with cannabinoid hyperemesis syndrome that are safe for discharge from the emergency department will be sent an outpatient prescription for haloperidol to be used as needed at home. The study goal is to see if having this medication available helps to prevent return emergency department visits for recurrent or persistent symptoms.

Who can participate

Age range

18 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Patients who meet ROME-4 diagnostic criteria for cannabinoid hyperemesis syndrome Exclusion Criteria: Already on dopamine agonist/antagonist therapy for another condition Parkinson's disease Lewy body dementia Men with QTc \> 450 Women with QTc \> 460 Patients with documented allergy to haloperidol Patients with known functional prolactinomas Patients who are breastfeeding Patients under the age of 18 Patients who are pregnant Patients who are in the prison system Patients who are unable to consent

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Rate of return to the emergency department

Timeframe: 1 month

Trial details

NCT IDNCT07726069

SponsorUniversity of Illinois at Chicago

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2028-01

Contact for this trial

Mason A Bartman, MD

8178972205 mbartman@uic.edu

View on ClinicalTrials.gov More Cannabinoid Hyperemesis Syndrome trials