UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000035773
Receipt number R000040622
Scientific Title A feasibility study of 1-mm bolus for postmastectomy radiotherapy
Date of disclosure of the study information 2019/07/01
Last modified on 2020/08/19 19:28:31

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Basic information

Public title

A feasibility study of 1-mm bolus for postmastectomy radiotherapy

Acronym

1-mm bolus for postmastectomy radiotherapy

Scientific Title

A feasibility study of 1-mm bolus for postmastectomy radiotherapy

Scientific Title:Acronym

1-mm bolus for postmastectomy radiotherapy

Region

Japan


Condition

Condition

breast cancer

Classification by specialty

Breast surgery Radiology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study was to assess the safety of the use of daily 1-mm bolus in patients undergoing postmastectomy radiotherapy by monitored skin toxicity.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Skin toxicity from start of radiotherapy to 12 weeks after completion of radiotherapy

Key secondary outcomes

1. Chest wall recurrences during observation
2. Skin dose using dosimeters within 5 times of beginning radiation


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

Female

Key inclusion criteria

Patients who meet all of the following criteria;
1. Aged 20 years and older
2. Received mastectomy, pathologically confirmed breast cancer, and needed to receive postmastectomy radiotherapy
3. Performance status (ECOG) 0-2
4. Written informed consent

Key exclusion criteria

1. Patients have other concomitant active malignancy except carcinoma in situ.
2. Patients have uncontrolled diabetes.
3. Patients have active interstitial pneumonitis or lung fibrosis or advanced pulmonary emphysema.
4. Patients have active collagen disease.
5. Patients have heart failure, myocardial infarction or angina pectoris within 6 months.
6. Patients have pregnancy or nursing.
7. Patients have psychiatric disorders that may comprise the patient's ability to receive radiotherapy.
8. Patients have breast reconstruction before radiotherapy
9. Patients have prior overlapping radiation.
10. Patients who need to receive boost irradiation for positive surgical margin.
11.Patients who is considered ineligible for enrolling the study by a principal investigator or sub-investigator.

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Naoto
Middle name
Last name Shikama

Organization

Juntendo University

Division name

Department of Radiation Oncology

Zip code

113-8421

Address

2-1-1, Hongo, Bunkyo-ku, Tokyo

TEL

03-3813-3111

Email

n-shikama@juntendo.ac.jp


Public contact

Name of contact person

1st name Terufumi
Middle name
Last name Kawamoto

Organization

Juntendo University

Division name

Department of Radiation Oncology

Zip code

113-8421

Address

2-1-1, Hongo, Bunkyo-ku, Tokyo

TEL

03-3813-3111

Homepage URL


Email

t-kawamoto@juntendo.ac.jp


Sponsor or person

Institute

Juntendo University

Institute

Department

Personal name



Funding Source

Organization

Juntendo University

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

Juntendo University

Address

2-1-1, Hongo, Bunkyo-ku, Tokyo

Tel

0338133111

Email

t-kawamoto@juntendo.ac.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

2019 Year 07 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

19

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

Completed

Date of protocol fixation

2019 Year 05 Month 20 Day

Date of IRB

2019 Year 06 Month 21 Day

Anticipated trial start date

2019 Year 07 Month 01 Day

Last follow-up date

2020 Year 06 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Skin toxicity from start of radiotherapy to 12 weeks after completion of radiotherapy


Management information

Registered date

2019 Year 02 Month 04 Day

Last modified on

2020 Year 08 Month 19 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000040622