UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000024199
Receipt number R000027860
Scientific Title Safety and efficacy of laser-induced thrombolysis in thromboembolism of major cerebral arteries
Date of disclosure of the study information 2016/11/01
Last modified on 2019/04/01 11:35:12

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Safety and efficacy of laser-induced thrombolysis in thromboembolism of major cerebral arteries

Acronym

Safety and efficacy of laser-induced thrombolysis

Scientific Title

Safety and efficacy of laser-induced thrombolysis in thromboembolism of major cerebral arteries

Scientific Title:Acronym

Safety and efficacy of laser-induced thrombolysis

Region

Japan


Condition

Condition

Thromboembolism of major cerebral arteries

Classification by specialty

Neurosurgery

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Investigation of safety and efficacy of laser-induced thrombolysis in thromboembolism of major cerebral arteries

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Safety
Serious adverse effects related with device.
Thromboembolism in a previously uninvolved territory.
Vascular perforation and intramural arterial dissection
Hemorrhage within 24 h after operation
Death within 4 weeks after operation

Efficacy
(TICI) grades 2b and 3 flow

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Device,equipment

Interventions/Control_1

Laser-induced thrombolysis

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. Patients had occlusions of major cerebral arteries, which were treatable by laser induced thrombolysis within 8 h of stroke symptom onset and with ineligibility for or failure to respond to intravenous rt-PA.
2. The occlusions of major cerebral arteries (intracranial internal carotid artery, frontal cerebral artery, middle cerebral artery (M1, M2), basilar artery, vertebral artery) confirmed angiographically as (TIMI) grades 0, 1.
3. mRS score 0-2 before onset.
4. Symptom of acute stroke
5.NIHSS score 4-24
6.TICI 0,1
7. Voluntary written consent by themselves or legally acceptable representative is given.

Key exclusion criteria

1. Treatment by intravenous t-PA administration within 12 weeks of IC
2. Sudden improvement of symptom of stroke
3. NIHSS score > 24 or coma
4. Women with pregnancy (possible), or lactating
5. Impossible access for vessels
6. Bleeding, in the tendency to bleeding, and family history and past history of bleeding disorders
7. Treatment of oral coagulant and PT-INR > 3.0
8.
9. APTT twice more than upper limit of normal.
10. Platelet count < 3,000 /uL
11. Uncontrolled neurological and psychological disorders
12. Hypersensitivity of contrast agent
13. Uncontrolled hypertension (maximum pressure >185 mmHg or minimum pressure > 110 mmHg)
14. One of below conditions in CT scan
Midline sift
Low density area more than one third
Intracranial hemorrhage
AVM
Aneurysm
Complete occlusion of carotid artery
15. Stenosis of arteries to be impossible for laser induced thrombolysis
16. Previous injury of artery
17. Within 90 day of alive
18. Treatment with any investigational compound within 12 weeks before IC
19. Blood sugar =< 50 mg/dL or > 400 mg/dL
20. Seizure
21. Failure of reopening by previous thrombectomy
22. Any serious medical or psychiatric illness that could, in the opinion of the investigator, potentially interfere with the completion of treatment according to this protocol.
23. Cerebral hemorrhage after t-PA treatment in CT scan
24.Leakage of the contrast agent before laser treatment

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Teiji
Middle name
Last name Nakayama

Organization

Hamamatsu Medical Center Hospital

Division name

Emergent Medical Center

Zip code

432-8580

Address

328 Tomizuka Nakaku Hamamatsu, Japan

TEL

053-453-7111

Email

nakayama@hmedc.or.jp


Public contact

Name of contact person

1st name Teiji
Middle name
Last name Nakayama

Organization

Hamamatsu Medical Center Hospital

Division name

Emergent Medical Center

Zip code

432-8580

Address

328 Tomizuka Nakaku Hamamatsu, Japan

TEL

053-453-7111

Homepage URL


Email

nakayama@hmedc.or.jp


Sponsor or person

Institute

Hamamatsu univeristy hospital

Institute

Department

Personal name



Funding Source

Organization

Japan agency for medical research and development

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

IRB in Hamamatsu Medical Center Hospital

Address

328 Tomizuka Nakaku Hamamatsu, Japan

Tel

053-453-7111

Email

chiken@hmedc.or.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

2016 Year 11 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

3

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

2016 Year 11 Month 01 Day

Date of IRB

2016 Year 02 Month 22 Day

Anticipated trial start date

2017 Year 03 Month 30 Day

Last follow-up date

2018 Year 08 Month 24 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded

2019 Year 03 Month 31 Day


Other

Other related information



Management information

Registered date

2016 Year 09 Month 28 Day

Last modified on

2019 Year 04 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000027860