UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000061473
Receipt number R000070340
Scientific Title A Multicenter Retrospective Observational Study of Carbon-ion Radiotherapy for Primary Squamous Cell Carcinoma of the Nasal Cavity and Paranasal Sinuses
Date of disclosure of the study information 2026/05/07
Last modified on 2026/05/07 13:45:47

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Basic information

Public title

A Multicenter Observational Study of Carbon-ion Radiotherapy for Squamous Cell Carcinoma of the Nasal Cavity and Paranasal Sinuses

Acronym

Nasal & Paranasal SCC CIRT Study

Scientific Title

A Multicenter Retrospective Observational Study of Carbon-ion Radiotherapy for Primary Squamous Cell Carcinoma of the Nasal Cavity and Paranasal Sinuses

Scientific Title:Acronym

Nasal & Paranasal SCC CIRT Study

Region

Japan


Condition

Condition

Primary Squamous Cell Carcinoma of the Nasal Cavity and Paranasal Sinuses

Classification by specialty

Radiology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the safety and efficacy of carbon-ion radiotherapy in patients with primary squamous cell carcinoma of the nasal cavity and paranasal sinuses

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

The primary endpoints are local control rate, progression-free survival, and overall survival.

Key secondary outcomes

The secondary endpoint is the grade and incidence of adverse events.


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


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Histologically confirmed primary squamous cell carcinoma of the nasal cavity or paranasal sinuses.
2) Regional lymph node status of N0-N2 at the start of carbon-ion radiotherapy.
3) No evidence of distant metastasis.
4) Deemed unsuitable for surgical resection of the primary tumor.
5) Received carbon-ion radiotherapy with curative intent.
6) At least one measurable lesion.
7) An Eastern Cooperative Oncology Group (ECOG) performance status of 0-2 at the initiation of treatment.

Key exclusion criteria

1) Patients who declined the use of their data after public disclosure of this study (opt-out).

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Makoto
Middle name
Last name Shinoto

Organization

National Institutes for Quantum Science and Technology

Division name

QST Hospital

Zip code

2638555

Address

4-9-1 Anagawa, Ingake-ku, Chiba

TEL

0432063306

Email

shinoto.makoto@qst.go.jp


Public contact

Name of contact person

1st name Hiroaki
Middle name
Last name Ikawa

Organization

National Institutes for Quantum Science and Technology

Division name

QST Hospital

Zip code

2638555

Address

4-9-1 Anagawa, Ingake-ku, Chiba

TEL

0432063306

Homepage URL


Email

ikawa.hiroaki@qst.go.jp


Sponsor or person

Institute

National Institutes for Quantum Science and Technology

Institute

Department

Personal name



Funding Source

Organization

National Institutes for Quantum Science and Technology

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

National Institutes for Quantum Science and Technology Certificated Review Board

Address

4-9-1 Anagawa, Ingake-ku, Chiba

Tel

0432064706

Email

helsinki@qst.go.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

2026 Year 05 Month 07 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 04 Month 01 Day

Date of IRB

2026 Year 04 Month 01 Day

Anticipated trial start date

2026 Year 05 Month 08 Day

Last follow-up date

2028 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

1. This is a multicenter retrospective observational study using existing clinical data.
2. Patients who initiated carbon-ion radiotherapy for primary squamous cell carcinoma of the nasal cavity and paranasal sinuses as advanced medical care or under national health insurance between November 2003 and December 2025 will be included.
3. No additional interventions or treatment assignments are performed for this study.
4. Informed consent is waived, and an opt-out approach is applied through public disclosure.


Management information

Registered date

2026 Year 05 Month 07 Day

Last modified on

2026 Year 05 Month 07 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000070340