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PONVLeo-PONVNCT07176676

Aromatherapy Treatment With Lavender Essential Oil to Reduce Post-Operative Nausea and Vomiting (PONV)

A study testing Lavanda Angustifolia essential oil in people with PONV, run by Azienda Ospedaliera SS. Antonio e Biagio e Cesare Arrigo di Alessandria at 1 site in Italy.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

The aim of this study is to evaluate the effectiveness of aromatherapy through the use of inhaled Lavender oil in reducing patients' nausea during the post-operative period. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
PONV
What is being tested?
Lavanda Angustifolia essential oil
Could I receive a placebo?
No, everyone receives an active treatment
How many people
128 participants
Where
1 siteItaly
Study dates
15 Nov 2022to 15 Dec 2025
Phase
Interventional
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 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients who sign an informed consent
  • Patients who have undergone anesthesiological examination
  • Patients undergoing general anaesthesia
  • Clinically stable patients
  • Patients with nausea scores detected with NRS>0
  • Patients admitted undergoing surgery in the Complex and/or Simple Structures listed below:
Show all 10Show fewer
  • SC of Neurosurgery, undergoing spinal surgery
  • SC of General Surgery, undergoing surgery on one of the organs of the abdominal cavity
  • SC of Vascular Surgery, undergoing traditional surgical repair or endovascular procedure of abdominal aortic aneurysm. Sclerotherapy (to heal varicose veins) venous stripping (removal of a vein segment in the treatment of varicose veins) laser treatment
  • SS of Gynaecological Surgery, undergoing operations on the organs of the female genital apparatus.

Who cannot join

  • Patients with ongoing relevant cognitive impairment (Six Item Screener score <4)
  • Patients with allergies or sensitivities to lavender essential oils
  • Patients with asthma, COPD, Chronic Bronchitis, Obstructive Sleep Apnea
  • Patients with changes in sense of smell

Trial locations and contacts

1 site in 1 country.

Italy1 site
  • Clinical Trial Center

    Alessandria, Italy, 15121

Other trials in Italy

About this study

Official title: Evaluation of the Efficacy of an Aromatherapy Treatment With Lavender Essential Oil to Reduce Post-Operative Nausea and Vomiting (PONV): Two-arm, Non-pharmacological, Single-centre, Non-profit, Randomised Controlled Trial

The aim of this study is to evaluate the effectiveness of aromatherapy through the use of inhaled Lavender oil in reducing patients' nausea during the post-operative period.

Read the detailed description

To evaluate the effectiveness of inhaling Lavender Angustifolia essential oil in reducing nausea after abdominal, vascular, neurosurgical and gynaecological surgery under general anaesthesia during the 24-hour postoperative period.

Secondary objective

  • To detect the number of antiemetic administrations in the experimental arm compared to the control arm
  • To measure the patient satisfaction of patients in the experimental group with the Lavender essential oil aromatherapy intervention at hospital discharge Primary endpoint Reduction of nausea by at least 10% compared to treatment with standard care, as assessed by the NRS (Numerical Rating Scale).
Conditions
PONV
Being tested
Lavanda Angustifolia essential oil, Usual Care
Keywords
nausea, vomit, lavanda, Postoperative
Medical subject headings
Postoperative Nausea and Vomiting, Nausea, Vomiting

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Lavanda Angustifolia essential oilOther

    Administration of Lavender Angustifolia essential oil by inhalation in reducing nausea after abdominal, vascular, neurosurgical and gynaecological surgery under general anaesthesia during the 24-hour postoperative period.

  • Usual CareOther

    Patients in the Usual Care group will follow the standard procedure, which consists of administering antiemetics if provided in therapy or reporting to the doctor with a subsequent treatment decision

Study groups in NCT07176676
Study groupRoleWhat they receive
Lavender YesExperimentalThe lavender essential oil may only be used at the first episode of nausea occurring within 24 hours post-surgery; during the same period, if nausea occurs again, it will be treated as per standard care
Receives: Other: Lavanda Angustifolia essential oil
Usual CareActive comparatorStandard procedure, which consists of administering antiemetics if provided in therapy or reporting to the physician with a subsequent treatment decision
Receives: Other: Usual Care

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. To evaluate the effectiveness of administering Lavender Angustifolia essential oil by inhalation in reducing nausea after abdominal, vascular, neurosurgical and gynaecological surgery under general anaesthesia during the 24-hour postoperative period

    To reduce nausea after abdominal, vascular, neurosurgical and gynaecological surgery under general anaesthesia during the 24-hour postoperative period.

    Endpoint Reduction of nausea by at least 10% compared to treatment with standard care, as assessed by the NRS (Numerical Rating Scale).

    Measured: during the 24-hour post-operative period

Secondary outcomes (2)
  1. To evaluate the effectiveness of administering Lavender Angustifolia essential oil by inhalation in reducing nausea after abdominal, vascular, neurosurgical and gynaecological surgery under general anaesthesia during the 24-hour postoperative period

    To measure the number of antiemetic administrations in the experimental arm compared to the control arm

    Measured: during the 24-hour postoperative period

  2. o evaluate the effectiveness of administering Lavender Angustifolia essential oil by inhalation in reducing nausea after abdominal, vascular, neurosurgical and gynaecological surgery under general anaesthesia during the 24-hour postoperative period

    To measure the patient satisfaction of the patients in the experimental group regarding the aromatherapy intervention with Lavender essential oil at hospital discharge

    Measured: during the 24-hour postoperative period

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted16 Sep 2025
  2. Study start15 Nov 2022
  3. Primary completion31 Dec 2024
  4. Study completion15 Dec 2025 (estimated)

Resources

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 N/A
Primary purpose
Health services research
Allocation
Randomised
Intervention model
Parallel groups
Model description
Non-pharmacological, single-centre, non-profit, randomised controlled trial.
Masking
None (open label)
Enrolment
128 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07176676
Sponsor's protocol ID
AziendaABCA
Acronym
Leo-PONV
Status last verified
Sep 2025
First submitted
19 Jul 2022
Last updated
16 Sep 2025
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Lavanda Angustifolia essential oil in people with PONV, run by Azienda Ospedaliera SS. Antonio e Biagio e Cesare Arrigo di Alessandria at 1 site in Italy.

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 10 inclusion and 4 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: under way, not looking for participants, as of the sponsor's last update on 16 Sep 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 Italy. 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.

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?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

To evaluate the effectiveness of administering Lavender Angustifolia essential oil by inhalation in reducing nausea after abdominal, vascular, neurosurgical and gynaecological surgery under general anaesthesia during the 24-hour postoperative period (time frame: during the 24-hour post-operative period). 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 16 Sep 2025.

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