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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01931930
Other study ID # BTS656/12
Secondary ID
Status Completed
Phase N/A
First received August 23, 2013
Last updated August 29, 2013
Start date July 2012
Est. completion date November 2012

Study information

Verified date August 2013
Source Amino Up Chemicals Co., Ltd.
Contact n/a
Is FDA regulated No
Health authority Germany: Ethics Commission
Study type Interventional

Clinical Trial Summary

In the current study the effects of proprietary Perilla frutescens leaf extract in comparison to Maltodextrin, a fully digestible carbohydrate (placebo control), on gastrointestinal discomfort and bowel function were investigated. The study was performed double-blind and placebo-controlled with a 4 week intervention period. Study products were taken two times daily (each one capsule before breakfast and dinner).


Recruitment information / eligibility

Status Completed
Enrollment 47
Est. completion date November 2012
Est. primary completion date November 2012
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 30 Years to 70 Years
Eligibility Inclusion Criteria:

- Healthy volunteers without clinical diagnosed diseases with relevant effect on the gastrointestinal system or on visceral motility.

- BMI: 19-30 kg/m2

- Reduced bowel movements defined as an average of >1 and = 3.5 stools per week for at least the previous 6 months

- Gastrointestinal symptoms of at least 5 points

- Male or female

- Age = 30 and = 70 years

- Nonsmoker

- Written consent to participate in the study

- Able and willing to follow the study protocol procedures

Exclusion Criteria:

- Subject under prescription for medication for digestive symptoms such as anti-spasmodic, laxatives and anti-diarrheic drugs or other digestive auxiliaries

- Relevant history, presence of any medical disorder or intake of medication / dietary supplements, potentially interfering with this trial at screening

- Subjects with stool frequency of = 1 stool every 7 days or > 3,5 stools per week

- Subjects not willing to avoid pre- and probiotics for the duration of the study

- Intake of antibiotics in the last 4 weeks and laxatives in the last 2 weeks

- Change of dietary habits within the 4 weeks prior to screening (for instance start of a diet high in fibers)

- Pregnant subject or subject planning to become pregnant during the study; breast-feeding subject.

- Subjects with history of drug, alcohol or other substances abuse, or other factors limiting their ability to co-operate during the study.

- Participants anticipating a change in their lifestyle or physical activity levels since this may also influence the results.

- Known food intolerance or allergy.

- Subject involved in any clinical or food study within the preceding month

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Supportive Care


Intervention

Dietary Supplement:
Perilla extract

Maltodextrin


Locations

Country Name City State
Germany BioTeSys GmbH Esslingen

Sponsors (1)

Lead Sponsor Collaborator
Amino Up Chemicals Co., Ltd.

Country where clinical trial is conducted

Germany, 

Outcome

Type Measure Description Time frame Safety issue
Primary daily gastrointestinal symptoms The following gastrointestinal were rated and reported by the study participants on a daily based. Bloating, rumbling, feeling of fullness, passage of gas, abdominal discomfort (pain and cramps). The rating was done based on a number scale. 0 not at all and 4 extremely. was assessed daily during 4 week intervention No
Secondary validated questionnaires Three validated questionnaires were used. Two of them were specially designed to evaluate gastrointestinal symptoms and quality of life of people with constipation. The third questionnaire was a validated questionnaire to report stress levels and related changes of stress levels.
Patient assessment of constipation symptoms (PAC SYM)
Patents assessment of constipation quality of life (PAC QOL)
Perceived stress questionnaire (PSQ20)
assessed at visit 1 (before) and at visit 2 (after 4 week intervention) No
Secondary stool consistency The stool consistency was rated referring to the Bristol stool scale. A scale indicated with pictures how the stool consistency can be rated. reported at days with stool during 4 week intervention No
Secondary Adverse events All adverse events which might be linked to the study product were reported. As the tested study product is a food product being safe for consumption as food no specific parameter to define safety were defined. assessed at visit 1 (before) and at visit 2 (after 4 week intervention) Yes
Secondary Stool frequency The stool frequency was reported on each day with bowel movement. reported at days with stool during 4 week intervention No