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Effect of Agar Administration on Defecation and Fecal Condition in Chronic Constipated Patients

This study has been completed.
Information provided by (Responsible Party):
Akira Horiuchi, Showa Inan General Hospital Identifier:
First received: November 9, 2013
Last updated: November 2, 2014
Last verified: November 2014
The administration of agar jelly may increase the number of defecation and the volume of feces, and then may improve fecal condition in chronic constipated patients.

Condition Intervention
Dietary Supplement: Agar jelly

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by Showa Inan General Hospital:

Primary Outcome Measures:
  • the condition of feces [ Time Frame: 4 weeks ]
    Bristol scale is used.

Secondary Outcome Measures:
  • the number and amount of defecation [ Time Frame: 4 weeks ]

Enrollment: 100
Study Start Date: November 2013
Study Completion Date: October 2014
Primary Completion Date: October 2014 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Agar jelly, constipation
Subjects eat a cap of agar jelly (180g) shortly before eating dinner every day for 4 weeks.
Dietary Supplement: Agar jelly

Detailed Description:

Each subject eats one cap of agar jelly shortly before having dinner every day for 4 weeks.

At 0, 7th, 14th, 21th, and 28th day , the frequency of defecation and defecation condition is assessed.


Ages Eligible for Study:   20 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • subjects take laxatives.

Exclusion Criteria:

  • subjects underwent abdominal surgery.
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Please refer to this study by its identifier: NCT02012543

Showa Inan General Hospital
Komagane, Nagano, Japan, 399-4117
Sponsors and Collaborators
Showa Inan General Hospital
Principal Investigator: Akira Horiuchi, MD Showa Inan General Hospital
  More Information

Responsible Party: Akira Horiuchi, Chief, Digestive Disease Center, Showa Inan General Hospital Identifier: NCT02012543     History of Changes
Other Study ID Numbers: Agar jelly
Kanten1 ( Other Identifier: Ina Food Industry )
Study First Received: November 9, 2013
Last Updated: November 2, 2014

Keywords provided by Showa Inan General Hospital:
constipation, agar

Additional relevant MeSH terms:
Signs and Symptoms, Digestive
Signs and Symptoms processed this record on May 25, 2017