PainNCT03098212

Aromatherapy for Reducing Labor Pain

A study testing Aromatherapy in people with Pain, run by Chiang Mai University.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Trial summary

Pregnant women who eligible with inclusion criteria are random to two groups. Aromatherapy group will receive the aromatherapy during labor along with standard pain control. Non-aromatherapy group will receive standard pain control during labor Read more about this study

Who is it for?: Any age, women only
Conditions the study is for: Pain
What is being tested?: Aromatherapy
Could I receive a placebo?: No, everyone receives an active treatment
How many people: 94 participants
Where: No sites listed yet
Study dates: Mar 2015to Dec 2016
Phase: Interventional
Are there results?: None posted in the registry

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 Any age
Women only
No healthy volunteers
Child, Adult, Older adult

Who may be able to join

Singleton pregnancy
Nulliparous
37 complete weeks of gestation
Cephalic presentation
No emergency obstetric complication
In labor

Who cannot join

Medical or obstetric complication preclude vaginal delivery
Essential oil allergy
Side effect of aromatherapy

About this study

Official title: Efficacy of Aromatherapy for Reducing Pain During Labor

Pregnant women who eligible with inclusion criteria are random to two groups. Aromatherapy group will receive the aromatherapy during labor along with standard pain control.

Non-aromatherapy group will receive standard pain control during labor

Conditions: Pain
Being tested: Aromatherapy
Medical subject headings: Pain

What participants receive

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

AromatherapyOther
On the day of admission for labor. Pregnant women select type of essential oil. Aroma diffuser is used during labor. Pain score was record during latent, early active and late active phase.

Study groups in NCT03098212
Study group	Role	What they receive
Aromatherapy	Experimental	Receive essential oil diffuse by Aroma diffuser during labor. Pain score and dose of analgesics drug are recorded Receives: Other: Aromatherapy
Non-aromatherapy	No intervention	This group receive pain control by standard of care without essential oil (aromatherapy)

What is being measured

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

early active phase pain using Visual Analog Scale
Visual analog scale used to assess pain during cervical dilate 5-7 cm.
Measured: The day of labor

Secondary outcomes (3)

latent phase pain using Visual Analog Scale
Visual analog scale used to assess pain during cervical dilate 3-4 cm.
Measured: The day of labor
late active phase pain using Visual Analog Scale
Visual analog scale used to assess pain during cervical dilate 8-10 cm.
Measured: The day of labor
analgesic drug
doses of analgesic drug request by pregnant women
Measured: The day of labor

Timeline

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

Mar 2015Dec 2016

First posted31 Mar 2017
Study startMar 2015
Primary completionDec 2016
Study completionDec 2016

Resources

Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
Other trials for PainStudies of the same condition, open and under way.
What the trial phases meanHow a treatment moves from first tests in people to approval.

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: Treatment
Allocation: Randomised
Intervention model: Parallel groups
Masking: None (open label)
Enrolment: 94 participants (actual)

IDs, dates and publications

ClinicalTrials.gov ID: NCT03098212
Sponsor's protocol ID: 3487
Status last verified: Mar 2026
First submitted: 8 Mar 2017
Last updated: 18 Mar 2026
Results posted: No
Data monitoring committee: No
FDA-regulated drug: No
FDA-regulated device: No
Individual data sharing: No

Want to know more?

The sponsor has not listed a contact. The official record may have more details.

Talk to your doctor first and take this page with you. Only the study team can confirm whether you can join.

Questions to ask the study team

What is the study trying to find out?
What would I need to do, and how often would I visit?
Could I receive a placebo instead of the treatment?
What are the possible risks and benefits for me?
Will it cost me anything? Are travel or time paid for?
Can I keep seeing my own doctor during the study?
What happens when the study ends?

Official record

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Study at a glance

From the registry record, last updated by the sponsor on 18 Mar 2026. Recruitment status is as the sponsor reported it: confirm with the study team.

Official title: Efficacy of Aromatherapy for Reducing Pain During Labor
ClinicalTrials.gov ID: NCT03098212
Acronym / sponsor ID: 3487
Conditions: Pain
Study type: Interventional
Recruitment status: Completed
Enrolment: 94 participants (actual)
Lead sponsor: Chiang Mai UniversityUniversity, hospital or other
Study start: Mar 2015 (actual)
Primary completion: Dec 2016 (actual)
Study completion: Dec 2016 (actual)
First posted: 31 Mar 2017 (actual)
Results: Not posted in the source record

Clinical summary

The research question as the sponsor registered it. This describes what the study plans to test, not what it found.

Pregnant women who eligible with inclusion criteria are random to two groups. Aromatherapy group will receive the aromatherapy during labor along with standard pain control.

Non-aromatherapy group will receive standard pain control during labor

Study design

Primary purpose: Treatment
Allocation: Randomised
Intervention model: Parallel groups
Masking: None (open label)
Number of arms: 2

Arm	Type	Receives
Aromatherapy	Experimental	Other: AromatherapyReceive essential oil diffuse by Aroma diffuser during labor. Pain score and dose of analgesics drug are recorded
Non-aromatherapy	No intervention	–This group receive pain control by standard of care without essential oil (aromatherapy)

Who may qualify

Sex: Female only
Healthy volunteers: Not accepted
Age groups: Child, Adult, Older adult

Key inclusion criteria (6 listed)

Singleton pregnancy
Nulliparous
37 complete weeks of gestation
Cephalic presentation
No emergency obstetric complication

Key exclusion criteria (3 listed)

Medical or obstetric complication preclude vaginal delivery
Essential oil allergy
Side effect of aromatherapy

Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.

Interventions

Intervention	Type	Arms
AromatherapyOn the day of admission for labor. Pregnant women select type of essential oil. Aroma diffuser is used during labor. Pain score was record during latent, early active and late active phase.	Other	Aromatherapy

Primary outcome

early active phase pain using Visual Analog Scale
Time frame: The day of labor
Visual analog scale used to assess pain during cervical dilate 5-7 cm.

3 secondary outcomes

latent phase pain using Visual Analog Scale
Time frame: The day of labor
late active phase pain using Visual Analog Scale
Time frame: The day of labor
analgesic drug
Time frame: The day of labor

Results and safety

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

Research links

Official record on ClinicalTrials.govLast updated by the sponsor 18 Mar 2026.
Individual participant dataSharing planned: No

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Referral and contact

AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.

The record lists no contact. Use the official record to reach the sponsor.

Questions about this trial

What is this clinical trial studying?

A study testing Aromatherapy in people with Pain, run by Chiang Mai University.

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 6 inclusion and 3 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: finished, as of the sponsor's last update on 18 Mar 2026. Status can change between updates, so confirm with the study contact before making plans.

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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

early active phase pain using Visual Analog Scale (time frame: The day of labor). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03098212.

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 18 Mar 2026.