UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000026348
Receipt number R000030190
Scientific Title Clinical trial of high-dose vitamin B12 treatment for type 1 diabetic patients with impaired awareness of hypoglycemia.
Date of disclosure of the study information 2017/03/31
Last modified on 2019/09/02 18:53:54

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Basic information

Public title

Clinical trial of high-dose vitamin B12 treatment for type 1 diabetic patients with impaired awareness of hypoglycemia.

Acronym

Clinical trial of high-dose vitamin B12 treatment for type 1 diabetic patients with impaired awareness of hypoglycemia.

Scientific Title

Clinical trial of high-dose vitamin B12 treatment for type 1 diabetic patients with impaired awareness of hypoglycemia.

Scientific Title:Acronym

Clinical trial of high-dose vitamin B12 treatment for type 1 diabetic patients with impaired awareness of hypoglycemia.

Region

Japan


Condition

Condition

type 1 diabetes

Classification by specialty

Medicine in general Endocrinology and Metabolism

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To assess the efficacy of high-dose vitamin B12 treatment in type 1 diabetic patient with impaired awareness of hypoglycemia accompanied with autonomic dysfunction.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Symptoms of hypoglycemia in an insulin tolerance test(Day 21~28)).

Key secondary outcomes

Autonomic function(coefficient of variation of R-R interval, Schellong test)
Epinephrine, norepinephrine, dopamine, cortisol, ACTH, growth hormone, glucagon


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

Medicine

Interventions/Control_1

Vitamin B12 intramuscularly injection 1mg per day for 3 weeks

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)Type 1 diabetes(Eligible participants had a known history of type 1 diabetes for at least 6 months, and had been treated for at least 6 months with a basal-bolus insulin regimen)
2)Treatment with multiple insulin injection
3)Hypoglycemia unawareness
4)Autonomic dysfunction

Key exclusion criteria

1)Patients younger than 19 years old.
2)Severe liver dysfunction
3)Severe renal failure
4)Pregnant
5)Angina pectoris,epilepsy,preproliferative diabetic retinopathy(PPDR) and proliferative diabetic retinopathy(PDR)
6)Judged as ineligible by clinical investigators

Target sample size

10


Research contact person

Name of lead principal investigator

1st name Junji
Middle name
Last name Kozawa

Organization

Graduate School of Medicine, Osaka University

Division name

Department of Metabolic Medicine

Zip code

5650871

Address

2-2-B5,Yamadaoka,Suita city,Osaka

TEL

06-6879-3732

Email

kjunji@endmet.med.osaka-u.ac.jp


Public contact

Name of contact person

1st name Shingo
Middle name
Last name Fujita

Organization

Graduate School of Medicine, Osaka University

Division name

Department of Metabolic Medicine

Zip code

565-0871

Address

2-2-B5,Yamadaoka,Suita city,Osaka

TEL

06-6879-3732

Homepage URL


Email

lutefs222@endmet.med.osaka-u.ac.jp


Sponsor or person

Institute

Graduate School of Medicine, Osaka University

Institute

Department

Personal name



Funding Source

Organization

Graduate School of Medicine, Osaka 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

Graduate School of Medicine, Osaka University

Address

B5, 2, 2-1-1 Yamadaoka Suita

Tel

06-6879-5111

Email

lutefs222@endmet.med.osaka-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

2017 Year 03 Month 31 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

1

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

Terminated

Date of protocol fixation

2017 Year 03 Month 31 Day

Date of IRB

2017 Year 03 Month 31 Day

Anticipated trial start date

2017 Year 03 Month 31 Day

Last follow-up date

2019 Year 06 Month 13 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2017 Year 03 Month 01 Day

Last modified on

2019 Year 09 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000030190


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name