NCT01348152

Brief Summary

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.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
50

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started Sep 2011

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 3, 2011

Completed
2 days until next milestone

First Posted

Study publicly available on registry

May 5, 2011

Completed
4 months until next milestone

Study Start

First participant enrolled

September 1, 2011

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2013

Completed
Last Updated

September 17, 2013

Status Verified

September 1, 2013

Enrollment Period

1.8 years

First QC Date

May 3, 2011

Last Update Submit

September 9, 2013

Conditions

Keywords

Gastric Emptying

Outcome Measures

Primary Outcomes (1)

  • Change from baseline to Day 28 in CSI total score

    Up to 10 weeks

Secondary Outcomes (5)

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

    Up to 10 weeks

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

    Up to 10 weeks

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

    Up to 10 weeks

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

    Up to 10 weeks

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

    Up to 10 weeks

Study Arms (2)

Placebo

PLACEBO COMPARATOR

Placebo TID

Drug: Placebo

DAIKENCHUTO (TU-100) 15 g/day

EXPERIMENTAL

TU-100 5g TID

Drug: DAIKENCHUTO (TU-100)

Interventions

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.

DAIKENCHUTO (TU-100) 15 g/day

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.

Placebo

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • 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.

You may not qualify if:

  • 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.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Colon and Rectal Surgery Associates

Minneapolis, Minnesota, 55407, United States

Location

MeSH Terms

Interventions

dai-kenchu-to12,13-dihydro-N-methyl-6,11,13-trioxo-5H-benzo(4,5)cyclohepta(1,2-b)naphthalen-5,12-imine

Study Officials

  • Anders F Mellgren, MD, PhD

    Colon and Rectal Surgery Associates

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 3, 2011

First Posted

May 5, 2011

Study Start

September 1, 2011

Primary Completion

July 1, 2013

Study Completion

July 1, 2013

Last Updated

September 17, 2013

Record last verified: 2013-09

Locations