UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000015630
Receipt number R000018169
Scientific Title Randomized, multicenter, controlled study for the efficacy of low-protein rice diet in patients with chronic kidney disease
Date of disclosure of the study information 2014/11/11
Last modified on 2019/03/31 09:46:07

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Basic information

Public title

Randomized, multicenter, controlled study for the efficacy of low-protein rice diet in patients with chronic kidney disease

Acronym

RICE study

Scientific Title

Randomized, multicenter, controlled study for the efficacy of low-protein rice diet in patients with chronic kidney disease

Scientific Title:Acronym

RICE study

Region

Japan


Condition

Condition

Chronic kidney disease (CKD)

Classification by specialty

Medicine in general Nephrology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the efficacy of low-protein rice in protein restriction diet therapy for patients with CKD

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Covariance analysis of estimated protein intake per standard weight, adjusted by the intake at the start of the study

Key secondary outcomes

1) Change of estimated energy intake
2) Change of renal functional parameters
3) Change of clinical nutritional parameters related to the criteria of protein energy wasting (PEW)
4) Change of parameters for phosphorus metabolism and metabolic acidosis
5) Change of parameters of quality of life (QOL)


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is considered as a block.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

Protein restriction diet therapy (0.7 g/kg standard body weight/day) with low-protein rice for 24 weeks

Interventions/Control_2

Protein restriction diet therapy (0.7 g/kg standard body weight/day) without low-protein rice or any other low-protein foods for 24 weeks

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

75 years-old >=

Gender

Male

Key inclusion criteria

1) CKD stages from G3aA2 to G4 in the KDIGO category
2) Those who have not used low-protein foods for the past one year
3) Body mass index of >20 and <27 kg/m2
4) Outpatients
5) Those at the age of 20 to 75
6) Those who have given written informed consent on the use of their data for the study

Key exclusion criteria

1) Those with nephrotic syndrome
2) Those with polycystic kidney disease
3) Those with severe heart or liver disease
4) Those with pregnancy or at breast feeding
5) Those who are considered not eligible for the study by attending doctors due to any medical reasons

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Michihiro
Middle name
Last name Hosojima

Organization

Niigata University Graduate School of Medical and Dental Sciences

Division name

Department of Clinical Nutrition Science

Zip code

950-8520

Address

1-757 Asahimachi-dori, Chuo-ku, Niigata-shi

TEL

025-368-9312

Email

hoso9582@med.niigata-u.ac.jp


Public contact

Name of contact person

1st name Michihiro
Middle name
Last name Hosojima

Organization

Niigata University Graduate School of Medical and Dental Sciences

Division name

Department of Clinical Nutrition Science

Zip code

950-8520

Address

1-757 Asahimachi-dori, Chuo-ku, Niigata-shi

TEL

025-368-9312

Homepage URL


Email

hoso9582@med.niigata-u.ac.jp


Sponsor or person

Institute

Department of Clinical Nutrition Science, Niigata University Graduate School of Medical and Dental Sciences

Institute

Department

Personal name



Funding Source

Organization

Niigata Prefecture

Organization

Division

Category of Funding Organization

Local Government

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

Shinrakuen Hospital, Niigata Rinko Hospital, Nagaoka Red Cross Hospital, Nagaoka Chuo General Hospital, Tatchikawa General Hospital, Takeda General Hospital

Name of secondary funder(s)

Kameda Seika Corporation, Biotech Japan Corporation, Foricafoods Corporation, Sato Foods Corporation


IRB Contact (For public release)

Organization

The institutional review boards of Niigata University

Address

1-757 Asahimachi-dori, Chuo-ku, Niigata-shi

Tel

025-227-2006

Email

shomu@med.niigata-u.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

新潟大学医歯学総合病院(新潟県)、信楽園病院(新潟県)、臨港病院(新潟県)、長岡赤十字病院(新潟県)、長岡中央綜合病院(新潟県)、立川綜合病院(新潟県)、竹田綜合病院(福島県)、佐渡総合病院(新潟県)


Other administrative information

Date of disclosure of the study information

2014 Year 11 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


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

2014 Year 08 Month 07 Day

Date of IRB

2014 Year 07 Month 28 Day

Anticipated trial start date

2014 Year 12 Month 01 Day

Last follow-up date

2018 Year 03 Month 31 Day

Date of closure to data entry

2018 Year 04 Month 05 Day

Date trial data considered complete

2018 Year 04 Month 18 Day

Date analysis concluded

2018 Year 05 Month 04 Day


Other

Other related information



Management information

Registered date

2014 Year 11 Month 07 Day

Last modified on

2019 Year 03 Month 31 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000018169


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name