| 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 |
A Multicenter Observational Study of Carbon-ion Radiotherapy for Squamous Cell Carcinoma of the Nasal Cavity and Paranasal Sinuses
Nasal & Paranasal SCC CIRT Study
A Multicenter Retrospective Observational Study of Carbon-ion Radiotherapy for Primary Squamous Cell Carcinoma of the Nasal Cavity and Paranasal Sinuses
Nasal & Paranasal SCC CIRT Study
| Japan |
Primary Squamous Cell Carcinoma of the Nasal Cavity and Paranasal Sinuses
| Radiology |
Malignancy
NO
To evaluate the safety and efficacy of carbon-ion radiotherapy in patients with primary squamous cell carcinoma of the nasal cavity and paranasal sinuses
Safety,Efficacy
Not applicable
The primary endpoints are local control rate, progression-free survival, and overall survival.
The secondary endpoint is the grade and incidence of adverse events.
Observational
| Not applicable |
| Not applicable |
Male and Female
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.
1) Patients who declined the use of their data after public disclosure of this study (opt-out).
100
| 1st name | Makoto |
| Middle name | |
| Last name | Shinoto |
National Institutes for Quantum Science and Technology
QST Hospital
2638555
4-9-1 Anagawa, Ingake-ku, Chiba
0432063306
shinoto.makoto@qst.go.jp
| 1st name | Hiroaki |
| Middle name | |
| Last name | Ikawa |
National Institutes for Quantum Science and Technology
QST Hospital
2638555
4-9-1 Anagawa, Ingake-ku, Chiba
0432063306
ikawa.hiroaki@qst.go.jp
National Institutes for Quantum Science and Technology
National Institutes for Quantum Science and Technology
Other
National Institutes for Quantum Science and Technology Certificated Review Board
4-9-1 Anagawa, Ingake-ku, Chiba
0432064706
helsinki@qst.go.jp
NO
| 2026 | Year | 05 | Month | 07 | Day |
Unpublished
Preinitiation
| 2026 | Year | 04 | Month | 01 | Day |
| 2026 | Year | 04 | Month | 01 | Day |
| 2026 | Year | 05 | Month | 08 | Day |
| 2028 | Year | 03 | Month | 31 | Day |
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.
| 2026 | Year | 05 | Month | 07 | Day |
| 2026 | Year | 05 | Month | 07 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000070340