UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000017165
Receipt number R000019908
Scientific Title Effect of beta-cryptoxanthin on students during pharmacy practice
Date of disclosure of the study information 2015/04/27
Last modified on 2018/03/17 19:20:43

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Basic information

Public title

Effect of beta-cryptoxanthin on students during pharmacy practice

Acronym

Anti-stress effect of beta-cryptoxanthin

Scientific Title

Effect of beta-cryptoxanthin on students during pharmacy practice

Scientific Title:Acronym

Anti-stress effect of beta-cryptoxanthin

Region

Japan


Condition

Condition

Stress

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose is to measure stress symptoms in students during pharmacy practice and to evaluate the efficacy of Japanese mandarin orange juice containing beta-cryptoxanthin in suppressing chronic stress, by measuring the salivary amylase activity and subjective stress.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Alteration in salivary amylase activity in students during pharmacy practice for 10 days

Key secondary outcomes

Physical condition, State-trait anxiety inventory (STAI) test, Sleeping time, Replying to a questionnaire (subjective stress, achievement emotion)


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation


Institution consideration


Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Japanese mandarin orange juice containing beta-cryptoxanthin

Interventions/Control_2

Placebo orange juice

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

22 years-old <=

Age-upper limit

30 years-old >=

Gender

Male and Female

Key inclusion criteria

Students of pharmaceutical sciences in the 5th grade, non-smoker.
Obtained written informed consent from the student before participation.
Possible to take a pack of Japanese mandarin orange juice (125 ml) for 20days.
Possible to check salivary amylase activity two times daily for 20 days.

Key exclusion criteria

Taking tranquilizer(s)
Smoker
Allergy against orange
Diagnosed as inadequate to participate in the study by a doctor

Target sample size

20


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Keiko Unno

Organization

University of Shizuoka

Division name

School of Pharmaceutical Sciences

Zip code


Address

52-1 Yada, Suruga-ku, Shizuoka

TEL

054-264-5731

Email

kendaiunno@gmail.com


Public contact

Name of contact person

1st name
Middle name
Last name Keiko Unno

Organization

University of Shizuoka

Division name

School of Pharmaceutical Sciences

Zip code


Address

52-1 Yada, Suruga-ku, Shizuoka

TEL

054-264-5731

Homepage URL


Email

kendaiunno@gmail.com


Sponsor or person

Institute

University of Shizuoka

Institute

Department

Personal name



Funding Source

Organization

University of Shizuoka

Organization

Division

Category of Funding Organization

Local Government

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

静岡県立大学  University of Shizuoka


Other administrative information

Date of disclosure of the study information

2015 Year 04 Month 27 Day


Related information

URL releasing protocol


Publication of results

Published


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results

Beta-cryptoxanthin (CRX) is a provitamin A and a potent antioxidant that is abundant in Satsuma mandarin orange, which is the most popular fruit in Japan. The anti-stress effect of CRX on humans was evaluated in fifth-year university students during both routine daily life at the university and at pharmacy practice. Salivary amylase activity (sAA) was measured as a marker of sympathetic nervous system activity. In the placebo-group, sAA in the evening (post-practice sAA) tended to be higher than sAA in the morning (pre-practice sAA) during both routine daily life at the university and during pharmacy practice. In the CRX-group, the increase of post-practice sAA was suppressed in females. These results suggested that CRX has an anti-stress effect, at least, in females.

Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2015 Year 03 Month 27 Day

Date of IRB


Anticipated trial start date

2015 Year 04 Month 27 Day

Last follow-up date

2015 Year 05 Month 30 Day

Date of closure to data entry

2016 Year 05 Month 30 Day

Date trial data considered complete

2016 Year 05 Month 30 Day

Date analysis concluded

2016 Year 05 Month 30 Day


Other

Other related information

YAKUGAKU ZASSHI 136(9), 1255-1262, 2016


Management information

Registered date

2015 Year 04 Month 17 Day

Last modified on

2018 Year 03 Month 17 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000019908


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name