UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000054391
Receipt number R000062129
Scientific Title A multicenter, retrospective cohort study on perforated peptic ulcer treatment
Date of disclosure of the study information 2024/05/14
Last modified on 2025/11/14 12:14:12

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Basic information

Public title

A multicenter, retrospective cohort study on perforated peptic ulcer treatment

Acronym

Perforated Peptic Ulcer Analysis Project

Scientific Title

A multicenter, retrospective cohort study on perforated peptic ulcer treatment

Scientific Title:Acronym

Perforated Peptic Ulcer Analysis Project

Region

Japan


Condition

Condition

Perforated peptic ulcer

Classification by specialty

Surgery in general Gastrointestinal surgery

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To study epidemiology of Perforated peptic ulcer
To study treatment strategies for perforated peptic ulcer

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

In-hospital mortality

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

This study included patients aged 18 years old diagnosed with PPU between January 2011 and December 2022.

Key exclusion criteria

We excluded pregnant women, those who opted out of active treatment, patients with malignancy-related and iatrogenic perforations, those who refused to participate, and patients who were considered inappropriate by the research leaders at each facility.

Target sample size

700


Research contact person

Name of lead principal investigator

1st name Hiromasa
Middle name
Last name Hoshi

Organization

Tsuchiura Kyodo General Hospital

Division name

Department of Acute Critical Care Medicine

Zip code

300-0028

Address

4-1-1 Otsuno, Tsuchiura-shi, Ibaraki, JAPAN

TEL

029-830-3711

Email

adg3855@gmail.com


Public contact

Name of contact person

1st name Hiromasa
Middle name
Last name Hoshi

Organization

Tsuchiura Kyodo General Hospital

Division name

Department of Acute Critical Care Medicine

Zip code

300-0028

Address

4-1-1 Otsuno, Tsuchiura-shi, Ibaraki, JAPAN

TEL

029-830-3711

Homepage URL


Email

adg3855@gmail.com


Sponsor or person

Institute

Other

Institute

Department

Personal name



Funding Source

Organization

None

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

Tsuchiura Kyodo General Hospital

Address

4-1-1 Otsuno, Tsuchiura-shi, Ibaraki, JAPAN

Tel

029-830-3711

Email

general@tkgh.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

2024 Year 05 Month 14 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

703

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

Main results already published

Date of protocol fixation

2023 Year 04 Month 05 Day

Date of IRB

2022 Year 04 Month 05 Day

Anticipated trial start date

2023 Year 04 Month 05 Day

Last follow-up date

2025 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

We collected the following patient information: age, sex, year of treatment, facilities for treatment, body mass index, data required to calculate the Charlson comorbidity index, Boey score, and peptic ulcer perforation (PULP) score, history of abdominal surgery, risk factors for PPU (current smoking, alcohol consumption, Helicobacter pylori infection, use of nonsteroidal anti-inflammatory drugs [NSAIDs], and steroid use), use of prophylactics for PPU (proton pump inhibitor, potassium competitive acid blocker, histamine H2 receptor antagonist, and gastric mucosal protective agent), time from onset to hospital visit, meals before hospital visit, presence of sepsis, presence of peritoneal irritation signs and its extent, presence of ascites on computed tomography (CT) and its extent, body temperature, vital signs (systolic blood pressure [SBP] and heart rate [HR]), laboratory data (white blood cell count and C reactive protein, hemoglobin, albumin, and creatinine levels), American Society of Anesthesiologists Physical Status Classification (ASA-PS), treatment (conservative treatment, conversion from conservative treatment to surgery, and surgery), site of perforations, surgical findings (perforation diameter, volume of peritoneal lavage, surgical techniques, number of drains, and surgery duration), postoperative complications, time to start liquid intake, time to start diet intake, length of stay in intensive care unit (ICU), length of stay in hospital, and in-hospital mortality.


Management information

Registered date

2024 Year 05 Month 14 Day

Last modified on

2025 Year 11 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000062129