UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000061754
Receipt number R000070660
Scientific Title Effects of Epipharyngeal Abrasive Therapy on Serum APRIL Levels and IgA-related Immunological Markers in Patients with IgA Nephropathy: A Prospective Observational Study
Date of disclosure of the study information 2026/06/01
Last modified on 2026/05/31 20:28:55

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Basic information

Public title

Effects of Epipharyngeal Abrasive Therapy on Serum APRIL Levels and IgA-related Immunological Markers in Patients with IgA Nephropathy: A Prospective Observational Study

Acronym

EAT-IgAN-APRIL Study

Scientific Title

Effects of Epipharyngeal Abrasive Therapy on Serum APRIL Levels and IgA-related Immunological Markers in Patients with IgA Nephropathy: A Prospective Observational Study

Scientific Title:Acronym

Prospective Study of the Effects of EAT on APRIL and Immunological Markers in IgA Nephropathy

Region

Japan


Condition

Condition

IgA nephropathy

Classification by specialty

Oto-rhino-laryngology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To clarify changes in serum APRIL levels before and after Epipharyngeal Abrasive Therapy (EAT) in patients with IgA nephropathy.

Basic objectives2

Others

Basic objectives -Others

This study aims to explore changes in immunological and clinical markers (BAFF, Gd-IgA1, uromodulin, urinalysis findings, renal function, and endoscopic epipharyngeal findings). It is an exploratory observational study and does not evaluate efficacy or safety.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Change in serum APRIL levels between baseline (before initiation of EAT) and after 12 EAT sessions

Key secondary outcomes

Change in serum BAFF levels

Change in serum Gd-IgA1 levels

Change in serum uromodulin levels

Change in urinalysis findings (dipstick and RBC/HPF)

Change in serum creatinine and eGFR

Change in endoscopic epipharyngeal findings (reference evaluation)


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

15 years-old <=

Age-upper limit

70 years-old >=

Gender

Male and Female

Key inclusion criteria

Patients aged 18 years or older

Diagnosed with chronic epipharyngitis and undergoing EAT as part of routine clinical care

Patients with active IgA nephropathy, remission-phase IgA nephropathy, or non-renal disease controls

Able to undergo blood tests, urinalysis, and endoscopic evaluation at baseline and after 12 EAT sessions

Provided written informed consent for study participation

Key exclusion criteria

Patients with acute inflammatory diseases such as acute epipharyngitis, acute sinusitis, or acute tonsillitis

Patients unable to undergo scheduled blood tests, urinalysis, or endoscopic evaluation

Patients for whom EAT is medically inappropriate (e.g., severe gag reflex, bleeding tendency)

Patients with severe systemic diseases (e.g., heart failure, liver failure, malignancy) that may interfere with study participation

Pregnant women or those with possible pregnancy

Any patient deemed unsuitable for participation by the principal investigator

Target sample size

40


Research contact person

Name of lead principal investigator

1st name Manabu
Middle name
Last name Mogitate

Organization

Mogitate ENT Clinic

Division name

Mogitate ENT Clinic

Zip code

2130011

Address

4F-401, Sekiguchi Daiichi Building, 1-2-5 Hisamoto, Takatsu-ku, Kawasaki-shi, Kanagawa, Japan

TEL

0448654187

Email

mogitateentjp@m08.itscom.net


Public contact

Name of contact person

1st name Manabu
Middle name
Last name Mogitate

Organization

Mogitate Medical Corporation

Division name

Mogitate ENT Clinic

Zip code

2130011

Address

4F-401, Sekiguchi Daiichi Building, 1-2-5 Hisamoto, Takatsu-ku, Kawasaki-shi, Kanagawa, Japan

TEL

0448654187

Homepage URL


Email

mogitateentjp@m08.itscom.net


Sponsor or person

Institute

Mogitate ENT Clinic

Institute

Department

Personal name

Manabu Mogitate


Funding Source

Organization

Mogitate ENT Clinic

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

Institutional Review Board: Ota General Hospital Ethics Committee

Address

1-50 Nisshin-cho, Kawasaki-ku, Kawasaki-shi, Kanagawa, Japan

Tel

0442440131

Email

info@ota-g-hospital.com


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

2026 Year 06 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

Preinitiation

Date of protocol fixation

2026 Year 05 Month 18 Day

Date of IRB

2026 Year 05 Month 21 Day

Anticipated trial start date

2026 Year 06 Month 01 Day

Last follow-up date

2028 Year 05 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

None


Management information

Registered date

2026 Year 05 Month 31 Day

Last modified on

2026 Year 05 Month 31 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000070660