Clinical trial Recruiting at 1 site Early Phase 1 Interventional Ages 18 and up

Using rose scent to reduce breathing pauses during seizures

Official title: Effect of 2-phenylethanol Odor Exposure on Ictal Apneic Episode Occurrence Rate in Patients With Epilepsy

Run by Vanderbilt University Medical Center · NCT07116421 · Data updated 2026-11-12

This study will test whether continuous exposure to rose scent can reduce breathing pauses (ictal apnea) during seizures in adults with epilepsy who are being monitored in the hospital.

Quick facts

PhaseEarly Phase 1
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment40 (estimated)
SponsorVanderbilt University Medical Center
Academic / other
Locations1 site (Nashville, Tennessee)
StatusRecruiting
StartedJuly 1, 2025
Main results expectedMay 8, 2027
Study endsMay 8, 2027
Registry record updatedJune 11, 2026
Trial IDNCT07116421 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adult epilepsy patients admitted to the Vanderbilt University Medical Center EMU for at least 48 hours of observational EEG monitoring without planned medication changes are the ideal candidates.

Probably not a fit

Children, patients not admitted to the Vanderbilt EMU, those not undergoing at least 48 hours of observational monitoring, and people with known allergy or strong intolerance to rose scent may not benefit from this protocol.

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

What this trial studies

Adults admitted to the epilepsy monitoring unit will have 24 hours of routine EEG and respiratory monitoring followed by 24 hours of continuous rose scent exposure via an essential oil diffuser while monitoring continues. Participants will wear a respiratory belt across the upper chest throughout the 48-hour period to measure breathing and researchers will compare respiratory and EEG data between the baseline and scent-exposure periods. The protocol enrolls adults undergoing observational EEG monitoring without medication changes and does not introduce other seizure interventions. The study aims to identify whether olfactory exposure to rose odor alters the frequency or severity of ictal apnea events.

Why it matters

Potential benefit: If successful, this approach could reduce seizure-related breathing problems and potentially lower the risk of SUDEP by preventing or shortening ictal apnea.

How similar studies have gone: Some small human studies of olfactory modulation (for example, lavender exposure) have suggested antiepileptic effects, but evidence specifically linking scent exposure to reduced ictal apnea or SUDEP risk is limited.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adult epilepsy patients over the age of 18
* Admission to the inpatient epilepsy monitoring unit (EMU) at Vanderbilt University Medical Center (VUMC)
* Undergoing observational EEG monitoring without treatment involving seizure medication changes or other interventions for at least 48 hours

Exclusion Criteria:

* Patients under the age of 18
* Patients receiving EEG monitoring without interventions from baseline for less than 48 hours
* Patients who are not receiving EEG monitoring as a part of their inpatient admission.

Where it's running

  • Vanderbilt University Medical Center
    Nashville, Tennessee, 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.