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Completed

NCT Number: NCT01348152

Effect of TU-100 in Patients With Functional Constipation

The primary objective of this study is to evaluate the improvement in the severity of constipation (from Baseline to Day 28), determined by the constipation severity instrument (CSI) score [1], compared to placebo, following a total daily oral dose of 15 g TU-100 administered for 28 consecutive days in adult subjects with functional constipation.

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Key information

Age range

18 year–80 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

Colon and Rectal Surgery Associates

Minneapolis, Minnesota, 55407, United States

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Have severity of constipation in CSI score of 25 to 74 points.
  • Have the ability to orally ingest study medication, TU-100, and the SmartPill capsule.
  • Be male or female aged between 18 and 80 years old, inclusive.
  • Provide written informed consent before participation in the study after full explanations of the study purpose and procedures.
  • If a female is of childbearing potential and sexually active:
  • She must agree to practice a highly effective method of birth control, including hormonal prescription oral contraceptives, contraceptive injections, contraceptive patch, intrauterine device, during their participation in the trial and for 4 weeks after receiving the last dose of study drug
  • She must have a negative serum pregnancy test before randomization.
  • If a male is sexually active with a female of childbearing potential:
  • He must agree to use a double barrier of birth control during the study and for 4 weeks after receiving the last dose of study drug.
  • He must not donate sperm during the study and for 4 weeks after receiving the last dose of study drug.

Exclusion criteria

  • Presence of strictures, fistulas, or physiological or mechanical bowel obstruction.
  • Presence of implanted or portable electro-mechanical medical devices.
  • History of gastric bezoar or swallowing disorders.
  • History of gastrointestinal surgery within 3 months of screening.
  • History of bowel resection.
  • Current pregnancy or lactation.
  • History of clinically significant alcohol or drug abuse within a year of screening.
  • Have any other condition that might adversely affect capacity to participate in this study, including liver disorders (with serum alanine aminotransferase [ALT] and/or aspartate aminotransferase [AST] levels exceeding 2.5 times the upper limit of normal [ULN]), kidney disorders, heart failure, blood disorders, or metabolic disorders.
  • Be diagnosed with cancer, ulcerative colitis, Crohn's disease, diverticulitis, scleroderma, Hirschsprung's disease, Chagas' disease, multiple sclerosis, Parkinson's disease, stroke, paraplegia, quadriplegia, insulin-dependent diabetes mellitus, untreated hypothyroidism, or any other systemic or psychiatric disorder which may, in the opinion of the investigator, interfere with the evaluation of TU-100.
  • Be taking any medication as follows: anticholinergic agents/medications with anticholinergic effect (list of prohibited drugs attached in Appendix G; antidepressants are permissible if the patient's symptoms are stable, and the doses are NOT changed during the course of the study), warfarin, prokinetics (i.e., Domperidone, Metoclopramide), narcotic analgesics, or any agent that might interfere with the evaluation of TU-100 in the opinion of the investigator.
  • Have a history of allergic reaction or hypersensitivity to ginseng, ginger, and Sichuan pepper.
  • Have severe dysphagia to food or pills.
  • Have participated in any other clinical study within 30 days before enrolling in this study.
  • Be unsuitable for participation in this trial for any reason, according to the investigator.

Treatment and study plan

DAIKENCHUTO (TU-100)

Drug

Subjects will be randomized to 15 g/day of TU-100. Dosage is granule. Subjects will ingest two 2.5 g doses of TU-100 three times daily for 34 consecutive days.

Placebo

Drug

Subjects will be randomized to 15 g/day of placebo. Dosage is granule. Subjects will ingest two 2.5 g doses of placebo three times daily for 34 consecutive days.

Primary outcomes

  1. Change from baseline to Day 28 in CSI total score

    Time frame: Up to 10 weeks

Secondary outcomes

  1. Change from baseline in GI transit time measured by SmartPill capsule.

    Time frame: Up to 10 weeks

  2. Change from baseline to Day 28 in CRQOL total score.

    Time frame: Up to 10 weeks

  3. Changes from baseline in stool frequency, stool consistency, severity of straining, and completeness of evacuation determined from entries in the bowel pattern diary.

    Time frame: Up to 10 weeks

  4. Change from baseline to Day 28 in CSI subscale scores.

    Time frame: Up to 10 weeks

  5. Change from baseline to Day 28 in CRQOL subscale scores.

    Time frame: Up to 10 weeks

Sponsors and collaborators

Lead sponsor

Tsumura USA

Industry

Collaborators

  • Cato Research

Registry information

Official study title

A Randomized, Double-Blinded, Placebo-Controlled Exploratory Study of Daikenchuto (TU-100) in Patients With Functional Constipation

Important dates

Study start
2011
Primary completion
2013
Study completion
2013
First posted
May 5, 2011
Registry last updated
Sep 17, 2013

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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