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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT03867864
Other study ID # 201710020RINA
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date March 15, 2019
Est. completion date December 31, 2019

Study information

Verified date February 2019
Source National Taiwan University Hospital
Contact Hao-Yuan Chang, Asst. Prof.
Phone +886-2-23123456
Email hauiuan@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Background: Our pilot study showed that the prevalence of headaches is 43.5% among nurses working in critical care units in a medical center in Taiwan. In the pilot study, 70% nurses with headache are willing to participate in this intervention study with essential oil. The effect of aromatherapy (essential oils through smelling) is convenient for nurses but still lacks strong evidences regarding relieving headaches.

Purpose: Thus, in this intervention study, we will examine whether the necklace with essential oil can (1) improve the pain intensity and frequency of headache; (2) reduce the score of headache disability inventory (HDI) and (3) improve the nurses' quality of life and care quality.

Method: Cluster randomized control trial from 16 critical care units at a medical center in Taiwan. The International Classification of Headache Disorders (ICHD, 3rd edition) was used to identify the headache type as "migraine" or "tension-type headache." We will recruit the nurses from 16 critical care units who has migraine or tension-type headache and cluster random assign (according to the ward unit) to group A and B. The intervention of necklace with essential oil will use to compare with the other group. According to power analysis and possible attrition rate, 103 nurses will be recruited. All participants will be asked to complete self-administrated questionnaires, including headache information questions, headache disability inventory (HDI), Migraine Specific Quality of Life Questionnaire version 2.1 (MSQv2.1), Copenhagen burnout inventory (CBI), Service Quality Scale (SERVQUAL), Intention to leave inventory (ITL), Depression, Anxiety and Stress Scale (DASS-21), Tasks Undone-13 (TU-13). The quantitative data will analyze by percentage, mean, standard deviation, chi-square test, and generalized estimating equation (GEE).

Expected outcomes and future implications: The aromatherapy (necklace with essential oil) can reduce the pain intensity, frequency, disability of headaches, as well as enhance nurses' quality of life and care quality.


Description:

This study adopts an experimental design with cluster randomization based on the ward unit. Eligible subjects are diagnosed migraine or tension-type headache nurses who are working in the critical care units and also have nurse license. Before conducting this study, the study has been approved by the institutional review board (IRB). The researcher (co-PI) and research assistances will approach potential participants during the ward meeting and invite them to participate in the study. Potential participants would be informed of the study purposes and interventions process, and be assessed and confirmed their type of headache. After completing the written-informed consent, the interventions will be arranged. In order to control the quality of data collection, PI and co-PI have trained the research assistants. Research training included standardized research process and ethical concerns about collection of research data, methods of approaching eligible subjects, interviewing techniques of data collection.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 103
Est. completion date December 31, 2019
Est. primary completion date December 31, 2019
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 20 Years to 65 Years
Eligibility Inclusion Criteria:

- Registered nurses, working in intensive care units (ICU) or department of emergency (ED).

- The frequency of headaches more than three times per month.

- The type of headache is migraine or frequent episodic tension-type headache, which is defined by the Headache Classification Committee of the International Headache Society. If the symptoms of a headache cannot be defined, the investigator will refer the potential participant to a neurologist for further diagnosis.

Exclusion Criteria:

- Current user of other kinds of essential oils (e.g., the external application on skin, sniffing), and do not willing to temporarily suspend for nine weeks.

- Having sensitive responses to the essential oil.

- Pregnancy or preparing for pregnancy.

- Breastfeeding.

- The type of headache was neither migraine nor frequent episodic tension-type headache after diagnosed by the neurologist.

- With hepatic or renal diseases.

- taking medicine for long-term (such as Aspirin, anti-coagulant, medication for mental disorders, contraceptives, etc.).

Study Design


Intervention

Device:
Necklace with essential oil for the first 4 weeks
The necklaces contain essential oil.
Necklace without essential oil for the first 4 weeks
The necklaces do not contain essential oil.
Other:
Washout
Washout (do not wear the necklace) for one week for two groups, then two groups cross-over.
Device:
Necklace with essential oil for last 4 weeks
The necklaces contain essential oil.
Necklace without essential oil for last 4 weeks
The necklaces do not contain essential oil.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
National Taiwan University Hospital

References & Publications (14)

Aiken LH, Clarke SP, Sloane DM, Sochalski JA, Busse R, Clarke H, Giovannetti P, Hunt J, Rafferty AM, Shamian J. Nurses' reports on hospital care in five countries. Health Aff (Millwood). 2001 May-Jun;20(3):43-53. — View Citation

Bagley CL, Rendas-Baum R, Maglinte GA, Yang M, Varon SF, Lee J, Kosinski M. Validating Migraine-Specific Quality of Life Questionnaire v2.1 in episodic and chronic migraine. Headache. 2012 Mar;52(3):409-21. doi: 10.1111/j.1526-4610.2011.01997.x. Epub 2011 Sep 19. — View Citation

Ball JE, Murrells T, Rafferty AM, Morrow E, Griffiths P. 'Care left undone' during nursing shifts: associations with workload and perceived quality of care. BMJ Qual Saf. 2014 Feb;23(2):116-25. doi: 10.1136/bmjqs-2012-001767. Epub 2013 Jul 29. — View Citation

French DJ, Holroyd KA, Pinell C, Malinoski PT, O'Donnell F, Hill KR. Perceived self-efficacy and headache-related disability. Headache. 2000 Sep;40(8):647-56. — View Citation

Lovibond, S. H., & Lovibond, P. F.(2004). Manual for the depression anxiety stress scale. (2nd Ed.). Sydney, Australia: Psychology Foundation Monograph.

Lucero RJ, Lake ET, Aiken LH. Variations in nursing care quality across hospitals. J Adv Nurs. 2009 Nov;65(11):2299-310. doi: 10.1111/j.1365-2648.2009.05090.x. Epub 2009 Sep 8. — View Citation

Mason, M. (1996). Aromatherapy and midwifery. Aromatherapy. Quarterly spring issue, 32-34.

Melzack R. The McGill Pain Questionnaire: major properties and scoring methods. Pain. 1975 Sep;1(3):277-99. — View Citation

Moussa, M.T., Lovibond, P.F. & Laube, R. (2001). Psychometric properties of a Chinese version of the short Depression Anxiety Stress Scales (DASS21). Report for New South Wales Transcultural Mental Health Centre, Cumberland Hospital, Sydney.

Schubert M, Glass TR, Clarke SP, Schaffert-Witvliet B, De Geest S. Validation of the Basel Extent of Rationing of Nursing Care instrument. Nurs Res. 2007 Nov-Dec;56(6):416-24. — View Citation

Squires A, Aiken LH, van den Heede K, Sermeus W, Bruyneel L, Lindqvist R, Schoonhoven L, Stromseng I, Busse R, Brzostek T, Ensio A, Moreno-Casbas M, Rafferty AM, Schubert M, Zikos D, Matthews A. A systematic survey instrument translation process for multi-country, comparative health workforce studies. Int J Nurs Stud. 2013 Feb;50(2):264-73. doi: 10.1016/j.ijnurstu.2012.02.015. Epub 2012 Mar 23. — View Citation

Teng CI, Lotus Shyu YI, Chang HY. Moderating effects of professional commitment on hospital nurses in Taiwan. J Prof Nurs. 2007 Jan-Feb;23(1):47-54. — View Citation

Yang, W. C., Hu, C. H., Wu, I, T. (2014). This study the relationship of working hours, stress studies and workplace fatigue in nursing staff. Journal of Sport and Recreation Management, 11 (1), 114-131.

Yeh, W. Y., Cheng, Y. W., Chen, M. J., Chiu, H. W. (2008). Development and validation of an occupational burnout inventory. Taiwan Journal of Public Health, 27(5),349-464.

* Note: There are 14 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Changes of Headache Diary The Headache Diary measured the participants to record the condition of headache with 12 items. The investigators will analyzed the intensity, frequency, duration, location, quality, symptoms, time and medicine use, and the duration (hours) of wearing the necklace with essential oil. At the meanwhile, we also collect the perceived busy level of the work day to control the association between the workload and headache. Thus, the participants have to write the diary everyday for 9 weeks and we will remind them by the text. The diary also mixes in the short-form McGill pain questionnaire (SF-MPQ) that was developed by Melzack in 1975 and revised in 1987 and it developed from the different type of headache depending on the pain intensity and quality (Melzack, 1975). The investigators simplified the contents and transfer to code so that the participants can easily fill out the diary every day. The participants will be assessed among pre-test week 1 (T1) and persistent to fill out the headache diary every day for 9 weeks (totally 63 days)
Primary Changes of Headache Disability Inventory (HDI) The Headache Disability Inventory (HDI) measured the burden caused by chronic headaches with 27 items (French et al., 2000). Each item scored from 1 to 3 (1= always happened; 3 = never happened). The higher score indicated the higher impacts of headache on emotional function and daily life. The participants will be assessed among pre-test week 1 (T1), week 5 (T2) and week 10 (T3)
Primary Changes of Migraine Specific Quality of Life Questionnaire version 2.1 (MSQv2.1) The Migraine Specific Quality of Life Questionnaire version 2.1 (MSQv2.1) measured the quality of life of migraine and headache patients, including the function, limitation, burden and impacts of the migraine with 14 items (Bagley et al., 2011). Each item was scored from 1 to 6 (1= always happened; 6 = never happened). The higher score indicated the higher impact of headache on quality of life. Cronbach's alphas are 0.79-0.85 (Bagley et al., 2011). The participants will be assessed among pre-test week 1 (T1), week 5 (T2) and week 10 (T3)
Primary Changes of Copenhagen Burnout Inventory (CBI) The Copenhagen Burnout Inventory (CBI) measured occupational burnout with 21 items (Yah et al, 2008). The questionnaire is including subscales-personal burnout, work-related burnout, client-related burnout, and over-commitment to work. Each item scored from 1 to 5 (1= never happened, 5 = always happened). The higher scores indicated the stronger work burnout. Cronbach's alphas are 0.89-0.95 (Yang et al, 2014). The participants will be assessed among pre-test week 1 (T1), week 5 (T2) and week 10 (T3)
Primary Changes of Service Quality Scale (SERVQUAL) The Service Quality Scale (SERVQUAL) measured the care quality of nurses in the hospital, including the four domains: trustworthiness, responsiveness, promise and empathy with 28 Likert's scale items (Teng et al., 2007). Each item scored from 1 to 5 (1= strongly disagree; 5 = strongly agree). The higher score indicated the higher confidence on their care quality. The participants will be assessed among pre-test week 1 (T1), week 5 (T2) and week 10 (T3)
Primary Changes of Intention to Leave Inventory (ITL) The Intention to Leave Inventory (ITL) measured the intention to leave the organization and their future career plan with 7 Likert's scale items (Teng, Shyu, & Chang, 2007). Each item scored from 1 to 7 (1= strongly disagree; 7 = strongly agree). The higher score indicated the higher strongly intention to leave the organization. The participants will be assessed among pre-test week 1 (T1), week 5 (T2) and week 10 (T3)
Primary Changes of Depression, Anxiety and Stress Scale (DASS-21) The Depression, Anxiety and Stress Scale (DASS-21) measured the level of depression, anxiety and stress during the past week recently by 21 items (Moussa, 2001). Each item scored from 1 to 4 (1= strongly disagree; 4 = strongly agree). The higher score indicated more frequency of feeling depression, anxiety and stress (Lovibond & Lovibond, 2004). Cronbach's alphas were 0.87-0.94 (Black et al., 2015). The participants will be assessed among pre-test week 1 (T1), week 5 (T2) and week 10 (T3)
Primary Demographic and Headache Information Questionnaire The Demographic Questionnaire included the birth date, sex, marital status, amenorrhea, education, unit, working years and rank. Although the necklace's colors are distributed randomly, considering the color may also affect the participants 'mood or the condition of headache, therefore, The investigators also survey the subject's preference of color to control the potential effect. The Headache Information Questionnaire was modified from the International Classification of Headache Disorders (ICHD, 3rd edition) to identify the headache type as "migraine" or "tension-type headache. Items included pain intensity, frequency, onset of the times, symptoms, locations, etc. The participants will be assessed at pre-test week 1 (T1)
Primary Tasks Undone-13 The tasks undone-13 measured the missed care with 13 items (Aiken et al; Ball et al., 2013; Schubert, 2007). Each item scored from 0 to 1 (0 = left done, 1 = done and NA= not applicable) The higher score indicated the volume of care left done. Cronbach's alpha = 0.73 (Lucero et al., 2009) and content validity index is 0.70-0.91 (Squires et al., 2013)? The participants will be assessed among pre-test week 1 (T1), week 5 (T2) and week 10 (T3)
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