Effect of Essential Oils in Aromatherapy on Emotional Relaxation

The recruitment status of this study is unknown because the information has not been verified recently.
Verified September 2011 by University of Phayao.
Recruitment status was  Recruiting
Information provided by (Responsible Party):
Surasak Saokaew, University of Phayao
ClinicalTrials.gov Identifier:
First received: September 28, 2011
Last updated: September 29, 2011
Last verified: September 2011

The purpose of this study is to examine and compare electroencephalography (EEG) changes in human subjects directly after inhalation of essential oils from five Thai aromatherapies. The investigators hypothesize that essential oils from Thai aromatherapies may influence the human EEG involving emotional relaxation particularly alpha wave EEG.

Condition Intervention
Other: Aromatherapy
Other: Placebo

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator, Outcomes Assessor)
Official Title: Effect of Essential Oils in Aromatherapy on Emotional Relaxation

Further study details as provided by University of Phayao:

Primary Outcome Measures:
  • electroencephalography (EEG) changes [ Time Frame: baseline, 10 minutes ] [ Designated as safety issue: No ]
    The EEG was assessed for 10 minutes in each period; baseline, during and after inhaled the essential oil

Estimated Enrollment: 50
Study Start Date: September 2011
Estimated Study Completion Date: December 2011
Estimated Primary Completion Date: December 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Aromatherapy Other: Aromatherapy
Subject will assigned inhale aromatherapy
Placebo Comparator: Pure water Other: Placebo
Pure water


Ages Eligible for Study:   18 Years to 60 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • > 18 years old

Exclusion Criteria:

  • excessive nasal congestion
  • neurological disorders prior to participation in the experiment
  Contacts and Locations
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Please refer to this study by its ClinicalTrials.gov identifier: NCT01443871

University of Phayao Recruiting
Muang, Phayao, Thailand, 56000
Contact: Surasak Saokaew, PharmD    0891667877    surasak.sa@up.ac.th   
Principal Investigator: Acharaporn Duangjai, MSc         
Sponsors and Collaborators
University of Phayao
  More Information

No publications provided

Responsible Party: Surasak Saokaew, Co-Principal Investigator, University of Phayao
ClinicalTrials.gov Identifier: NCT01443871     History of Changes
Other Study ID Numbers: WP-5102031
Study First Received: September 28, 2011
Last Updated: September 29, 2011
Health Authority: Thailand: Institutional Review Board

Keywords provided by University of Phayao:

ClinicalTrials.gov processed this record on May 21, 2015