UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000011380
Receipt number R000013326
Scientific Title Studies on the effects of polydextrose intake on constipation in Japanese dialysis patients: a triple-blind randomized controlled trial
Date of disclosure of the study information 2013/08/11
Last modified on 2015/08/23 01:06:56

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Basic information

Public title

Studies on the effects of polydextrose intake on constipation in Japanese dialysis patients: a triple-blind randomized controlled trial

Acronym

Dietary fiber for constipation in hemodialysis patients

Scientific Title

Studies on the effects of polydextrose intake on constipation in Japanese dialysis patients: a triple-blind randomized controlled trial

Scientific Title:Acronym

Dietary fiber for constipation in hemodialysis patients

Region

Japan


Condition

Condition

Constipation in chronic hemodialysis patients

Classification by specialty

Gastroenterology Nephrology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To examine whether administration of a mini-jelly containing a dietary fiber (polydextrose; 10 g/day) improve the function of bowel movements in chronic hemodialysis patients.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Frequency of bowel movements

Key secondary outcomes

#Blood biochemistry (BUN,Cr,Ca,P,Alb, hepatic function)
#Dose and usage frequency of medicines for constipation
#Stool form and abdominal symptom
#Side effects of a dietary fiber


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is considered as a block.

Blocking

NO

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

Mini-jelly containing polydextrose (10g/day)

Interventions/Control_2

Placebo (mini-jelly without polydextrose)

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

50 years-old <=

Age-upper limit

80 years-old >=

Gender

Male and Female

Key inclusion criteria

Chronic hemodialysis patients with constipation

Key exclusion criteria

1) Patients with organic bowel diseases (e.g.; inflammatory bowel disease or colon cancer)
2) Patients who start or change the usage of P, K, cholesterol-binding agents during the study
3) Patients already treated with dietary fibers or Lactobacillus preparations as a supplement
4) Patients hospitalized during the study
5) When an appearance of side effects which seem to be related with dietary fiber mini-jelly or the placebo jelly during the study
6) Patients uncontrolled by hemodialysis during the study
7) Patients showing remarkably poor bowel movements during the study
8) Patients determined by doctors that the study continuation is inappropriate

Target sample size

24


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Mikiko Shimada

Organization

Hidaka Rehabilitation Hospital

Division name

Department of Nutrition

Zip code


Address

2204 Maniwa,Yoshii, Takasaki, Gumma,370-2104, Japan

TEL

027-388-2005

Email

reha-eiyo@hidaka-kai.com


Public contact

Name of contact person

1st name
Middle name
Last name Mikiko Shimada

Organization

Hidaka rehabilitation hospital

Division name

Department of Nutrition

Zip code


Address

2204 Maniwa,Yoshii, Takasaki, Gumma,370-2104, Japan

TEL

027-388-2005

Homepage URL


Email

reha-eiyo@hidaka-kai.com


Sponsor or person

Institute

Heisei Hidaka clinic

Institute

Department

Personal name



Funding Source

Organization

Medical Corporations Heisei Hidaka clinic

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor

Tokyo University of Agriculture

Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



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

平成日高クリニック


Other administrative information

Date of disclosure of the study information

2013 Year 08 Month 11 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

The PDX group had significantly increased stool frequency compared to before the PDX intake period: 7.0, 5.0, 8.0, 8.5 bowel movements per week during the PDX study period (week 1-week 4) and 7.3 bowel movements after the end of the study period (p < 0.01).

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

2013 Year 04 Month 01 Day

Date of IRB


Anticipated trial start date

2013 Year 06 Month 01 Day

Last follow-up date

2013 Year 08 Month 30 Day

Date of closure to data entry

2013 Year 09 Month 20 Day

Date trial data considered complete


Date analysis concluded

2013 Year 11 Month 30 Day


Other

Other related information

The PDX group showed no significant change was observed in the stool score. While the total energy and macronutrient intake levels were unchanged during the study, paired t-test analysis showed that retinol activity equivalents intake was significantly increased in the PDX group.
Clinical biochemistry indexes (e.g., measures of liver and renal function, blood electrolytes, fasting blood glucose, triglyceride, cholesterol, and serum glycoalbumin) did not change significantly after PDX intake for 28 days.


Management information

Registered date

2013 Year 08 Month 05 Day

Last modified on

2015 Year 08 Month 23 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000013326


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name