UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000021006
Receipt number R000024225
Scientific Title Comparative study between Tokisyakuyakusan and mecobalamin for the efficacy in patients with olfactory dysfunction post-respiratory infection.
Date of disclosure of the study information 2016/02/13
Last modified on 2022/09/29 08:36:04

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Basic information

Public title

Comparative study between Tokisyakuyakusan and mecobalamin for the efficacy in patients with olfactory dysfunction post-respiratory infection.

Acronym

Comparative study between Tokisyakuyakusan and mecobalamin for the efficacy in patients with olfactory dysfunction post-respiratory infection.

Scientific Title

Comparative study between Tokisyakuyakusan and mecobalamin for the efficacy in patients with olfactory dysfunction post-respiratory infection.

Scientific Title:Acronym

Comparative study between Tokisyakuyakusan and mecobalamin for the efficacy in patients with olfactory dysfunction post-respiratory infection.

Region

Japan


Condition

Condition

olfactory dysfunction

Classification by specialty

Oto-rhino-laryngology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

We evaluate the efficacy and the safety of Tokisyakuyakusan or mecobalamin for the treatment in patients with olfactory dysfunction post-respiratory infection.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Evaluation with T&T olfactometry after the treatment for 24 weeks.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Tokisyakuyakusan 7.5g/day
3 times a day, before meals
24 weeks

Interventions/Control_2

Mecobalamin 1500µg/day
3 times a day, after meals
24 weeks

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

20 years-old <=

Age-upper limit

60 years-old >=

Gender

Male and Female

Key inclusion criteria

1) Patients with olfactory dysfunction post-respiratory infection who have developed from at least four weeks ago and within less than one year.
2) Patients aged 20 years old or more and 60 years old or less.
3) Gender unquestioned
4) Outpatient
5) Patients with olfactory dysfunction who have odor recognition thresholds by T&T olfactometry as 2.6 and more (moderate or severe dysosmia)
6) Patients who have given voluntary written informed consent.

Key exclusion criteria

1) Patients who have rhinosinusitis which is subjected to effect on olfactory dysfunction post-respiratory infection.
2) Patients who used Tokisyakuyakusan or mecobalamin within the last two weeks (It will be eligible if they do not use those medicine for at least two weeks).
3) Patients who are pregnant, suspected to be pregnant or breastfeeding.
4) Patients who desire to bear children
5) Patients who are considered not to be eligible by the investigator.

Target sample size

100


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Takaki Miwa

Organization

Kanazawa Medical University

Division name

Otorhinoaryngorogy

Zip code


Address

1-1 Daigaku, Uchinada, Kahoku, Ishikawa

TEL

076-286-2211

Email

miwataka@kanazawa-med.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Hideaki Shiga

Organization

Kanazawa Medical University

Division name

Otorhinoaryngorogy

Zip code


Address

1-1 Daigaku, Uchinada, Kahoku, Ishikawa

TEL

076-286-2211

Homepage URL


Email

shigah@kanazawa-med.ac.jp


Sponsor or person

Institute

Kanazawa Medical University

Institute

Department

Personal name



Funding Source

Organization

Kanazawa Medical University

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



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



Other administrative information

Date of disclosure of the study information

2016 Year 02 Month 13 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


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 11 Month 01 Day

Date of IRB

2015 Year 12 Month 21 Day

Anticipated trial start date

2016 Year 03 Month 01 Day

Last follow-up date

2021 Year 03 Month 05 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2016 Year 02 Month 13 Day

Last modified on

2022 Year 09 Month 29 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000024225


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name