臨床研究等提出・公開システム

Date of registration	Mar. 26, 2019
Last modified on	Feb. 26, 2026
Trial ID	jRCTs052180176

Scientific Title	Axonal excitability in neuropathy (QTRAC study)
Public Title	Ion channel dysfunction in neuropathy (Ion channel dysfunction in neuropathy)

Contact for Scientific Queries	Name	Noto Yu-ichi
	Affiliation	University Hospital Kyoto Prefectural University of Medicine
	Address	465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, JAPAN.
	Telephone	+81-75-251-5794
	E-mail	y-noto@koto.kpu-m.ac.jp
Contact for Public Queries	Name	Noto Yu-ichi
	Affiliation	University Hospital Kyoto Prefectural University of Medicine
	Address	465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, JAPAN.
	Telephone	+81-75-251-5794
	E-mail	y-noto@koto.kpu-m.ac.jp

Recruitment status	Recruiting

Anticipated date of first enrollment		Nov. 08, 2013
Actual date of first enrollment		Nov. 08, 2013
Target sample size		500
Study Type		Interventional
Study Design	allocation	non-randomized controlled trial
	masking	open(masking not used)
	control	no treatment control/standard of care control
	assignment	parallel assignment
	purpose	diagnostic purpose
Key inclusion & exclusion criteria	Inclusion Criteria	Patients with neuropathy
	Exclusion Criteria	None
	Age Minimum	20age old over
	Age Maximum	No limit
	Gender	Both
Health Condition(s) or Problem(s) Studied		Neuropathy
Intervention(s)		Recording of axonal excitability using electrical stimulation.
Primary Outcome(s)		Parameters of axonal excitability test
Secondary Outcome(s)		Medical history, neurological findings, image, and neurophysiological examination data.

Name of Certified Review Board	Kyoto Prefectural University of Medicine, Clinical Research Review Board
Address	465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto 602-8566, JAPAN. , Kyoto
Telephone	+81-75-251-5337
E-Mail	rinri@koto.kpu-m.ac.jp
Approval Status	Approval
Date of approval	Feb. 18, 2019

Plan to share IPD	No

Secondary ID(s)	該当なし
Issuing Authority	None

Countries of Recruitment（Except Japan）	None

History of Changes

No	Publication date
6	Feb. 26, 2026	(this page)	Changes
5	June. 07, 2023	Detail	Changes
4	April. 10, 2023	Detail	Changes
3	Mar. 22, 2022	Detail	Changes
2	Jan. 20, 2021	Detail	Changes
1	Mar. 26, 2019	Detail

List of change history