UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057174
Receipt number R000065352
Scientific Title Ultra-hypofractionated proton therapy for prostate cancer
Date of disclosure of the study information 2025/04/01
Last modified on 2025/02/28 16:01:59

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Basic information

Public title

Ultra-hypofractionated proton therapy for prostate cancer

Acronym

Ultra-hypofractionated proton therapy for prostate cancer

Scientific Title

Ultra-hypofractionated proton therapy for prostate cancer

Scientific Title:Acronym

Ultra-hypofractionated proton therapy for prostate cancer

Region

Japan


Condition

Condition

prostate cancer

Classification by specialty

Urology Radiology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To evaluate ultra-hypofractionated proton therapy (PT) and conventionally fractionated PT for prostate cancer, focusing on toxicity.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Acute-subacute and late urinary toxicity (within 2 year)

Key secondary outcomes

PSA recurrence


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


Not applicable

Gender

Male

Key inclusion criteria

1) Patients over 20 years of age with localized prostate cancer (cT1-T3aN0M0)
2) Patients requesting spacer insertion and gold marker insertion.
3)Intermediate/high-risk group: patients who have been on hormone therapy for more than 6 months
4) Patients who can visit the hospital during PT.
5) Patients who have been informed about this study and have given written consent.

Key exclusion criteria

1) Patients with cT3b or higher
2) Patients with a history of pelvic surgery
3) Patients with previous pelvic radiotherapy
4) Patients with poor control of urination and defecation who are receiving medications.
5) Patients with active malignancy other than prostate cancer
6) Other patients deemed by the investigator to be incompatible with this study

Target sample size

200


Research contact person

Name of lead principal investigator

1st name Sachika
Middle name
Last name Shiraishi

Organization

Shonan kamakura general hospital

Division name

Radiation Oncology

Zip code

247-8533

Address

1370-1 Okamoto, Kamakura-City, Kanagawa

TEL

0467-46-1717

Email

s-nogi@tokyo-med.ac.jp


Public contact

Name of contact person

1st name Sachika
Middle name
Last name Shiraishi

Organization

Shonan kamakura general hospital

Division name

Radiation Oncology

Zip code

247-8533

Address

1370-1 Okamoto, Kamakura-City, Kanagawa

TEL

0467-46-1717

Homepage URL


Email

s-nogi@tokyo-med.ac.jp


Sponsor or person

Institute

Department of Radiation Oncology, Shonan Kamakura General Hospital, Kamakura, Japan;
Sachika Shiraishi

Institute

Department

Personal name



Funding Source

Organization

No Funding

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

The Tokushukai Group Ethics Committee

Address

Tokyodo Chiyoda Bldg. 15F, 1-3-1, Kudan-minami, Chiyoda-ku, Tokyo 102-0074, Japan

Tel

03-3263-4801

Email

ccts_kyoyu38@shonankamakura.or.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

湘南鎌倉総合病院(神奈川県)


Other administrative information

Date of disclosure of the study information

2025 Year 04 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

2025 Year 02 Month 07 Day

Date of IRB

2025 Year 02 Month 12 Day

Anticipated trial start date

2025 Year 04 Month 01 Day

Last follow-up date

2029 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Checks at 3,6,9,12,18,and 24 months after completion of PT
Expanded prostate cancer index composite;EPI,International prostate symptom score;IPSS
Prostate specific antigen;PSA
Post-treatment status;alive or dead,PSA recurrence or not,treatment for recurrence,acute to subacute or late toxicity


Management information

Registered date

2025 Year 02 Month 28 Day

Last modified on

2025 Year 02 Month 28 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000065352