UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062113
Receipt number R000071075
Scientific Title Patient Satisfaction and Quality of Life After Low Anterior Resection Versus Permanent Stoma for Lower Rectal Cancer: A Comparative Study
Date of disclosure of the study information 2026/08/31
Last modified on 2026/07/02 01:22:01

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Basic information

Public title

Patient Satisfaction and Quality of Life After Low Anterior Resection Versus Permanent Stoma for Lower Rectal Cancer: A Comparative Study

Acronym

Patient Satisfaction and Quality of Life After Low Anterior Resection Versus Permanent Stoma for Lower Rectal Cancer: A Comparative Study

Scientific Title

Patient Satisfaction and Quality of Life After Low Anterior Resection Versus Permanent Stoma for Lower Rectal Cancer: A Comparative Study

Scientific Title:Acronym

Patient Satisfaction and Quality of Life After Low Anterior Resection Versus Permanent Stoma for Lower Rectal Cancer: A Comparative Study

Region

Japan


Condition

Condition

Lower Rectal Cancer

Classification by specialty

Gastrointestinal surgery

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

This study aims to compare postoperative patient satisfaction and quality of life using questionnaire surveys between patients with rectal cancer who underwent low anterior resection and achieved stoma-free status and those with a permanent stoma following abdominoperineal resection or Hartmann's procedure, thereby clarifying the characteristics of each surgical approach from the patient's perspective.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Patient satisfaction assessment, EORTC QLQ-CR29, and the LARS score

Key secondary outcomes



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

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1.Patients who provided written informed consent
2.Patients with clinical stage I-III rectal adenocarcinoma
3.Patients who underwent LAR, super-low anterior resection (SLAR), intersphincteric resection (ISR), abdominoperineal resection (APR), or Hartmann's procedure
4.In the LAR group, patients for whom at least 3 months have elapsed since stoma closure
5.In the permanent stoma group, patients for whom at least 1 month has elapsed since surgery
6.Patients who are able to complete the questionnaire
7.Patients aged 18 years or older

Key exclusion criteria

1. Patients with multiple primary cancers, either synchronous or metachronous, with a disease-free interval of <=5 years
2. Patients with recurrent rectal cancer
3. Patients with an active infection
4. Patients with a history of psychiatric disorders and/or central nervous system disorders
5. Patients who are pregnant, breastfeeding, or may be pregnant
6. Patients with severe comorbidities, including cardiopulmonary dysfunction, renal failure, paralytic ileus, bowel obstruction, uncontrolled diabetes mellitus, liver cirrhosis, chronic hepatitis B, or chronic hepatitis C
7. Patients with a history of organ transplantation
8. Patients who are unable to complete the questionnaire because of cognitive impairment or other reasons
9. Patients considered unsuitable for study enrollment by the investigators

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Nozomi
Middle name
Last name Yamazaki

Organization

Saitama Medical University International Medical Center

Division name

Department of Gastrointestinal Surgery

Zip code

350-1298

Address

1397-1 Yamane, Hidaka, Saitama 350-1298, Japan

TEL

042-984-4111

Email

nozomi.ito.1031@gmail.com


Public contact

Name of contact person

1st name Yamazaki
Middle name
Last name Nozomi

Organization

Saitama Medical University International Medical Center

Division name

Department of Gastrointestinal Surgery

Zip code

350-1298

Address

1397-1 Yamane, Hidaka, Saitama 350-1298, Japan

TEL

042-984-4111

Homepage URL


Email

nozomi.ito.1031@gmail.com


Sponsor or person

Institute

Saitama Medical University International Medical Center

Institute

Department

Personal name



Funding Source

Organization

No

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

Saitama Medical University International Medical Center

Address

Saitama Medical University International Medical Center

Tel

042-984-4111

Email

nozomi.ito.1031@gmail.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 08 Month 31 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 08 Month 01 Day

Date of IRB


Anticipated trial start date

2026 Year 08 Month 01 Day

Last follow-up date

2027 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This is a single-center retrospective observational study.
The aim of this study is to compare patient satisfaction and quality of life between the LAR group and the permanent stoma group.
The primary endpoint is the assessment of postoperative patient satisfaction and quality of life using questionnaires.


Management information

Registered date

2026 Year 07 Month 02 Day

Last modified on

2026 Year 07 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071075