UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000060927
Receipt number R000068530
Scientific Title A Prospective Study Exploring the Safety of Large-Volume Paracentesis in Patients with Malignant Ascites
Date of disclosure of the study information 2026/03/13
Last modified on 2026/03/13 15:57:32

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

A Study to Evaluate the Safety of Removing a Large Amount of Ascites at One Time in Patients with Cancer

Acronym

Safety Study of Large-Volume Paracentesis

Scientific Title

A Prospective Study Exploring the Safety of Large-Volume Paracentesis in Patients with Malignant Ascites

Scientific Title:Acronym

Safety Study of Large-Volume Paracentesis for Malignant Ascites

Region

Japan


Condition

Condition

Cancer

Classification by specialty

Medicine in general

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To clarify the safety of paracentesis procedures aiming for large-volume ascites drainage exceeding 4 liters in patients with malignant ascites.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Proportion of severe hypotension

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

Paracentesis

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 Diagnosed with unresectable, recurrent, or metastatic cancer
2 Age 18 years or older at registration
3 Abdominal distension due to ascites
4 Expected survival of 3 weeks or longer
5 Most recent blood test within 14 days prior to registration shows the following values:
a). Hemoglobin >= 6.0 g/dL
b). Platelet count >= 50,000/mm3
c). Creatinine level < 2.0 mg/dL
d). Total bilirubin level < 5.0 mg/dL
6 Written informed consent for study participation has been obtained from the subject.

Key exclusion criteria

1 Received new chemotherapy (including molecularly targeted drugs) or immunotherapy within the past 3 weeks
2 Has active systemic or intraperitoneal infection
3 Has a systolic blood pressure below 100 mmHg
4 Has a psychiatric disorder or psychiatric symptoms that are judged to make participation in the study difficult
5 Other patients deemed unsuitable for inclusion by the principal investigator (or sub-investigator)

Target sample size

24


Research contact person

Name of lead principal investigator

1st name Toru
Middle name
Last name Kadono

Organization

Osaka medical and pharmaceutical university hospital

Division name

Cancer Chemotherapy Center

Zip code

5698686

Address

2-7, Daigaku-cho, Takatsuki city, Osaka

TEL

0726831221

Email

toru.kadono@ompu.ac.jp


Public contact

Name of contact person

1st name Toru
Middle name
Last name Kadono

Organization

Osaka medical and pharmaceutical university hospital

Division name

Cancer Chemotherapy Center

Zip code

5698686

Address

2-7, Daigaku-cho, Takatsuki city, Osaka

TEL

0726831221

Homepage URL


Email

toru.kadono@ompu.ac.jp


Sponsor or person

Institute

Osaka medical and pharmaceutical university

Institute

Department

Personal name

Toru Kadono


Funding Source

Organization

Japan Science and Technology Agency

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Osaka medical and pharmaceutical university

Address

2-7, Daigaku-cho, Takatsuki city, Osaka

Tel

0726831221

Email

rinri@ompu.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

2026 Year 03 Month 13 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 03 Month 13 Day

Date of IRB


Anticipated trial start date

2026 Year 04 Month 01 Day

Last follow-up date

2028 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 03 Month 13 Day

Last modified on

2026 Year 03 Month 13 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000068530