UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000035502
Receipt number R000038758
Scientific Title A multicenter randomized controlled trial to evaluate the efficacy of preemptive inferior mesenteric artery embolization during endovascular aortic aneurysm repair on aneurysm sac change: Clarify IMA
Date of disclosure of the study information 2019/02/01
Last modified on 2023/07/14 12:28:09

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Basic information

Public title

Efficacy of preemptive inferior mesenteric artery embolization during endovascular aortic aneurysm repair

Acronym

Clarify IMA

Scientific Title

A multicenter randomized controlled trial to evaluate the efficacy of preemptive inferior mesenteric artery embolization during endovascular aortic aneurysm repair on aneurysm sac change: Clarify IMA

Scientific Title:Acronym

Clarify IMA

Region

Japan Europe


Condition

Condition

Abdominal aortic aneurysm

Classification by specialty

Cardiology Vascular surgery Radiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate an efficacy of preemptive embolization of IMA during EVAR for reduction of persistent type II endoleak and following sac enlargement

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Comparison of aneurysm sac change in both arms at 12M after EVAR

Key secondary outcomes

Rate of persistent type II endoleak at 6,12,24M
Comparison of aneurysm sac change and sac diameter change in both arms at 6,12,24M after EVAR
Rate of freedom from reintervention
Rate of freedom from aneurysm related death
Volume of contrast media usage
Radiation exposure
Device cost


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

No treatment

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

Preemptive embolization of IMA during EVAR

Interventions/Control_2

Control

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

Aneurysm sac diameter >50mm or sac with rapid enlargement
IMA diameter >2.5mm
Age >20yo

Anatomical limitation of proximal neck as the followings
Diameter <28mm
Length >15mm
Infrarenal angulation <60 degree (If possible)

Key exclusion criteria

IMA diameter <2.5mm or occluded/stenotic orifice
IMA originates from the proximal neck
Under treatment for advanced malignant tumor
Life expectancy<1 year
Connective tissue disease such as Marfan syn.or Ehlers-Danlos syndrome
Mycotic aneurysm
Saccular aneurysm/ PAU(penetrating atherosclerotic ulcer)
Allergy for contrast media
Preoperative eGFR<30ml/dl and has not introduced hemodialysis
Pregnancy
Younger than 20 yo

Target sample size

200


Research contact person

Name of lead principal investigator

1st name Shigeo
Middle name
Last name Ichihashi

Organization

Nara Medical University

Division name

Radiology

Zip code

6348521

Address

840 Shijocho, Kashihara, Nara

TEL

+81744298900

Email

ichihash@naramed-u.ac.jp


Public contact

Name of contact person

1st name Shigeo
Middle name
Last name Ichihashi

Organization

Nara Medical University

Division name

Radiology

Zip code

6348521

Address

840 Shijocho, Kashihara, Nara

TEL

+81744298900

Homepage URL


Email

ichihash@naramed-u.ac.jp


Sponsor or person

Institute

Nara Medical University

Institute

Department

Personal name



Funding Source

Organization

W.L.Gore & Associates, Terumo company, Boston Scientific Japan

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Nara Medical University Clinical Research Center

Address

840 Shijocho, Kashihara, 643-8521 Nara

Tel

0744-29-8836

Email

kasa@naramed-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

湘南鎌倉総合病院 (神奈川県)、関西ろうさい病院 (兵庫県)、奈良県立医科大学病院 (奈良県)、土浦協同病院 (茨城県)、聖マリアンナ医科大学病院 (神奈川県)、久留米学病院外科 (福岡県)、新百合ヶ丘総合病院 (神奈川県)、東京医科歯科大学病院 (東京都)、九州医療センター (福岡県)、旭川医科大学病院 (北海道)、市立函館病院 (北海道)、長崎大学病院 (長崎県)、大阪市立大学病院 (大阪府)、埼玉県立循環器・呼吸器病センター (埼玉県)、鳥取大学病院 (鳥取県)、福岡和白病院 (福岡県)、和歌山県立医科大学病院 (和歌山県)、名古屋大学病院 (愛知県)、東京都済生会中央病院 (東京都)、九州大学病院 (福岡県)、松山赤十字病院 (愛媛県)、住友病院 (大阪府)、慈恵医科大学病院 (東京都)、京都大学病院 (京都府)、水戸済生会総合病院 (茨城県)、大津赤十字病院 (滋賀県、熊本大学病院 (熊本県)、奈良県西和医療センター (奈良県)、岸和田徳洲会病院 (大阪府)、Hospital Marie Lannelongue (フランス、パリ)


Other administrative information

Date of disclosure of the study information

2019 Year 02 Month 01 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

142

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

The data that support the findings of this study are available from the corresponding author upon reasonable request.

IPD sharing Plan description



Progress

Recruitment status

No longer recruiting

Date of protocol fixation

2018 Year 10 Month 01 Day

Date of IRB

2019 Year 04 Month 19 Day

Anticipated trial start date

2019 Year 05 Month 01 Day

Last follow-up date

2023 Year 09 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2019 Year 01 Month 09 Day

Last modified on

2023 Year 07 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000038758


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name