Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Vinegar for Heartburn relief tested in a small crossover study

Official title: Examining the Efficacy of Vinegar for Reducing Heartburn Symptoms Related to Gastroesophageal Reflux Disease (GERD)

Run by Arizona State University · NCT07927296 · Data updated 2026-11-12

This study tests whether liquid vinegar or a vinegar tablet can relieve heartburn symptoms in people who have regular heartburn but no erosive disease.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment22 (estimated)
SponsorArizona State University
Academic / other
Locations1 site (Phoenix, Arizona)
StatusRecruiting
StartedNovember 16, 2026
Main results expectedMay 15, 2027
Study endsMay 15, 2027
Registry record updatedNovember 10, 2026
Trial IDNCT07927296 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with regular heartburn (at least twice weekly) who do not have erosive reflux disease and can fast for four hours prior to testing.

Probably not a fit

Individuals with erosive esophagitis or other significant GI disorders, or those unable to tolerate vinegar may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This randomized crossover trial compares liquid vinegar to a vinegar tablet as a treatment for heartburn in adults who experience symptoms at least twice weekly and do not have erosive reflux disease. Participants identify trigger foods and consume two targeted foods during two visits after a 4-hour fast, once with liquid vinegar and once with a vinegar tablet, in randomized order. Symptoms are reported every 10-15 minutes for two hours after eating using a validated heartburn measure. The study focuses on symptom relief rather than mechanisms of reflux, and aims to enroll 22 participants at a single site in Phoenix, Arizona. Both safety and tolerability of vinegar forms will be monitored during the trial.

Why it matters

Potential benefit: If successful, participants may experience reduced heartburn symptoms with vinegar-based interventions.

How similar studies have gone: This is among the first randomized crossovers to test vinegar forms for heartburn relief; prior data on this specific approach are limited.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* report heartburn symptoms two or more times a week for several weeks or months
* Any over the counter PPI use (proton-pump inhibitors such as Prilosec, Nexium, Prevacid) will need to be restricted for one month.

Exclusion Criteria:

* Drug use (prescription, over-the-counter, or otherwise) known to affect the stomach and digestive processes, including GLP-1 RA or GLP/GIP medications
* Medical conditions that impact normal functioning of the gastrointestinal tract (e.g., Crohn's disease, Celiac disease, short bowel syndrome, ostomy, lactose intolerance, hernia , SIBO, H. Pylori positive hasn't been cleared etc.).
* Excess alcohol use (\>2 servings daily)

Where it's running

  • Arizona Biomedical Collaborative
    Phoenix, Arizona, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.