UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000039033
Receipt number R000044510
Scientific Title Observation of azygos vein valve by endobronchial ultrasonography
Date of disclosure of the study information 2020/01/06
Last modified on 2023/01/02 15:51:26

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Basic information

Public title

Observation of azygos vein valve by endobronchial ultrasonography

Acronym

Observation of azygos vein by EBUS

Scientific Title

Observation of azygos vein valve by endobronchial ultrasonography

Scientific Title:Acronym

Observation of azygos vein by EBUS

Region

Japan


Condition

Condition

Patients receiving EBUS

Classification by specialty

Pneumology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To evaluate whether azygos vein valve can be observed with EBUS

Basic objectives2

Others

Basic objectives -Others

Anatomic feature

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Whether azygos vein valve can be observed with EBUS

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


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


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Receiving EBUS
2) Aged 20 or more
3) Written informed consent

Key exclusion criteria

1) Nothing particular

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Kazuhisa
Middle name
Last name Nakashima

Organization

Shimane University Faculty of Medicine

Division name

Department of Internal Medicine, Division of Medical Oncology & Respiratory Medicine

Zip code

693-8501

Address

89-1 Enya-cho, Izumo, Shimane, Japan

TEL

0853-20-2580

Email

kazuhin@med.shimane-u.ac.jp


Public contact

Name of contact person

1st name Kazuhisa
Middle name
Last name Nakashima

Organization

Shimane University Faculty of Medicine

Division name

Department of Internal Medicine, Division of Medical Oncology & Respiratory Medicine

Zip code

693-8501

Address

89-1 Enya-cho, Izumo, Shimane, Japan

TEL

0853-20-2580

Homepage URL


Email

kazuhin@med.shimane-u.ac.jp


Sponsor or person

Institute

Shimane University Faculty of Medicine

Institute

Department

Personal name



Funding Source

Organization

None

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

The institutional review board of Shimane University Faculty of Medicine

Address

89-1 Enya-cho, Izumo, Shimane, Japan

Tel

0853-20-2515

Email

kenkyu@med.shimane-u.ac.jp


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

2020 Year 01 Month 06 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

20

Results

The median age was 71.5 years. Observation of azygos vein arch was performed in 16 patients. The median length of azygos vein arch was 7.25 millimeter. Valves were identified in all 16 patients. We observed the inside of other vessels around trachea. However, there were no valve in these vessels.

Results date posted

2023 Year 01 Month 02 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

The median age was 71.5 years. The study included 18 men and 2 women.

Participant flow

Eligible patients were enrolled from February through September 2020. EBUS was not performed as a result in 2 patients because enough tissue was obtained with normal bronchoscopy. Azygos vein arch was not visualized in 2 patients. Therefore, observation of azygos vein arch was performed in 16 patients.

Adverse events

None.

Outcome measures

Observation of azygos vein arch was performed in 16 patients. The median length of azygos vein arch was 7.25 millimeter. In all 16 patients, azygous vein arch valve could be observed.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

No longer recruiting

Date of protocol fixation

2019 Year 11 Month 22 Day

Date of IRB

2020 Year 01 Month 23 Day

Anticipated trial start date

2020 Year 01 Month 23 Day

Last follow-up date

2020 Year 09 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Nothing particular.


Management information

Registered date

2019 Year 12 Month 30 Day

Last modified on

2023 Year 01 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000044510


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name