UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000025938
Receipt number R000029821
Scientific Title Quantitative examination of pain threshold of intra-epidermal nerve terminal for diagnosis and staging of diabetic polyneuropathy
Date of disclosure of the study information 2017/02/01
Last modified on 2023/01/09 08:57:15

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Basic information

Public title

Quantitative examination of pain threshold of intra-epidermal nerve terminal for diagnosis and staging of diabetic polyneuropathy

Acronym

Pain threshold of intra-epidermal nerve terminal in diabetic polyneuropathy

Scientific Title

Quantitative examination of pain threshold of intra-epidermal nerve terminal for diagnosis and staging of diabetic polyneuropathy

Scientific Title:Acronym

Pain threshold of intra-epidermal nerve terminal in diabetic polyneuropathy

Region

Japan


Condition

Condition

Diabetic polyneuropathy

Classification by specialty

Medicine in general Endocrinology and Metabolism Neurology
Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effectiveness of quantitative examination of pain threshold of intra-epidermal nerve terminal for diagnosis and staging of diabetic polyneuropathy

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

1. Pain threshold of intra-epidermal nerve terminal
2. Corneal confocal microscopic findings
3. Nerve conduction studies
Relationship of these three examinations

Key secondary outcomes

1. Score of Michigan Neuropathy Screening Instrument(MNSI)
2. Clinical findings: i) Absent or hypoactive Achilles tendon reflexes, ii) Impaired vibration sensation
3. HbA1c, blood glucose
4. Coefficients of variance of RR intervals
5. Diabetic nephropathy, Diabetic retinopathy
6. Laboratory data, blood pressure
7. Safety
8. Iriscorder
9. Elctroretinography
10. Somatosensory evoked potentials; SEP


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

75 years-old >=

Gender

Male and Female

Key inclusion criteria

Group 1: non-diabetic patients
Group 2: type 2 diabetic patients with HbA1c<=13.0%
Subgroup 2-1: without diabetic polyneuropathy
Subgroup 2-2: with diabetic polyneuropathy
Diagnosis of diabetic polyneuropathy is based on "simplified diagnostic criteria of diabetic polyneuropathy and suggested staging" proposed from the consensus of the Japanese study group of diabetic neuropathy

Key exclusion criteria

1. Pregnancy, lactation
2. Type 1 diabetes, other types of diabetes
3. Suffering from diabetic ketoacidosis
4. Severe infection, Severe injuries
5. Implanted a pacemaker, a defibrillator, or cochlear implant
6. Treatment with steroids
7. Current/Past malignancy
8. Inappropriate patients for entry on this study in the judgement of the investigator

Target sample size

90


Research contact person

Name of lead principal investigator

1st name Jiro
Middle name
Last name Nakamura

Organization

Aichi Medical University

Division name

Diabetes

Zip code

480-1195

Address

1-1 Yazakokarimata, Nagakute

TEL

0561-63-1683

Email

jiro@aichi-med-u.ac.jp


Public contact

Name of contact person

1st name Hideki
Middle name
Last name Kamiya

Organization

Aichi Medical University

Division name

Diabetes

Zip code

480-1195

Address

1-1 Yazakokarimata, Nagakute

TEL

0561-63-1683

Homepage URL


Email

hkamiya@aichi-med-u.ac.jp


Sponsor or person

Institute

Aichi Medical University

Institute

Department

Personal name



Funding Source

Organization

Aichi 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

Aichi Medical University School of Medicine

Address

1-1 Yazakokarimata, Nagakute, Aichi

Tel

0561-63-1683

Email

thimeno@aichi-med-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 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


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

Enrolling by invitation

Date of protocol fixation

2016 Year 06 Month 27 Day

Date of IRB

2016 Year 06 Month 27 Day

Anticipated trial start date

2016 Year 10 Month 01 Day

Last follow-up date

2025 Year 10 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

1. cross-sectional study in non-diabetic or diabetic patients
2. Cases are selected from inpatients of Aichi Medical University


Management information

Registered date

2017 Year 01 Month 31 Day

Last modified on

2023 Year 01 Month 09 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000029821


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name