The roles of essential oils in the modulation of immune function: a pilot study

ISRCTN ISRCTN10793328
DOI https://doi.org/10.1186/ISRCTN10793328
Secondary identifying numbers ECN-04-52
Submission date
20/06/2005
Registration date
21/09/2005
Last edited
13/09/2011
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Haematological Disorders
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Record updated in last year

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr Joan O'Connor
Scientific

P.O. Box 157
Lismore
2480
Australia

Study information

Study designRandomised controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Not specified
Study typeTreatment
Scientific title
Study objectivesThat aromatherapy essential oils applied topically over a 28 day period are potentially effective in modulating immune alterations, including those associated with smoking; and that they can form a safe and well-tolerated treatment.
Ethics approval(s)Not provided at time of registration
Health condition(s) or problem(s) studiedImmunomodulation in smokers/non-smokers
InterventionA blend of essential oils, at a total of 10%, in a carrier of unfragranced white lotion base.
Intervention typeDrug
Pharmaceutical study type(s)
PhaseNot Specified
Drug / device / biological / vaccine name(s)A blend of essential oils
Primary outcome measureAlterations in the immune system indicators being measured will be estimated via a series of blood tests; the measures include in vivo changes in:
1. Complete blood count including leucocyte count and differential
2. Lymphocyte subset phenotype
3. Natural killer cell activity
4. Erythrocyte sedimentation rate (ESR)
5. C-Reactive protein: high sensitivity assay (hsCRP)
Secondary outcome measuresSecondary outcome measures include in vivo alterations in:
1. Lymphocyte cytokine production profile
2. Liver function tests
3. Urea, creatinine and electrolytes
Overall study start date01/06/2005
Completion date30/09/2005

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
Upper age limit60 Years
SexMale
Target number of participants20
Key inclusion criteriaParticipants are to be:
1. Aged 18-60 years
2. Male
3. Willing to comply with study protocols
4. The smokers must consume 10 cigarettes per day, and have done so for at least a year
5. The non-smokers must have never smoked
Key exclusion criteriaFactors resulting in exclusion include:
1. any significant medical problem or chronic illness including the findings on assessment of:
a. Body mass index (BMI) >30 or <18
b. Undiagnosed hypertension
c. Pulse irregularities consistent with pathological cardiac dysrhythmia such as atrial fibrillation
2. History of allergies to fragrances
3. Current or recent dermatitis
4. Regular use of medications
5. Vitamin or supplement consumption
6. Alcohol intake of more than 7 standard drinks per week or greater than 4 on heaviest day
7. High levels of exercise (extreme strenuous exercise for over 60 min >twice per week)
8. Recreational drug use
9. Any acute illness or infection in the preceding 2 weeks
Date of first enrolment01/06/2005
Date of final enrolment30/09/2005

Locations

Countries of recruitment

  • Australia

Study participating centre

P.O. Box 157
Lismore
2480
Australia

Sponsor information

Fragrantia Investments (Australia)
Industry

38 Dudley Road
Wonga Park Victoria
3155
Australia

Funders

Funder type

Industry

Sharon Kepper Aromatherapy - Fragrantia Investments (Australia)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan