NCT02913170

Brief Summary

The aim of this study is to examine the effects of nattokinase supplementation on hemostatic factors in nondiabetic and hypercholesterolemic subjects. Collagen-epinephrine closure time, prothrombin time, activated partial thromboplastin time, fibrinogen levels, and lipid profiles were measured at baseline and at 8-week follow-up.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
100

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started May 2015

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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2015

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2016

Completed
19 days until next milestone

First Submitted

Initial submission to the registry

September 20, 2016

Completed
3 days until next milestone

First Posted

Study publicly available on registry

September 23, 2016

Completed
Last Updated

September 23, 2016

Status Verified

September 1, 2016

Enrollment Period

1.3 years

First QC Date

September 20, 2016

Last Update Submit

September 22, 2016

Conditions

Outcome Measures

Primary Outcomes (2)

  • Collagen-epinephrine closure time at baseline

    baseline

  • Collagen-epinephrine closure time at 8-week follow-up

    8-week follow-up

Secondary Outcomes (6)

  • Prothrombin time at baseline

    baseline

  • Prothrombin time at 8-week follow-up

    8-week follow-up

  • Activated partial thromboplastin time at baseline

    baseline

  • Activated partial thromboplastin time at 8-week follow-up

    8-week follow-up

  • Fibrinogen concentration at baseline

    baseline

  • +1 more secondary outcomes

Study Arms (2)

Nattokinase group

EXPERIMENTAL

A nattokinase group composed of 50 individuals who consumed a 300mg nattokinase capsule (100mg of nattokinase and 200mg of maltodextrin) daily after meal.

Dietary Supplement: Nattokinase

Placebo group

PLACEBO COMPARATOR

A placebo group composed of 50 individuals who consumed a 300mg placebo capsule (300mg of maltodextrin) daily after meal.

Dietary Supplement: Placebo

Interventions

NattokinaseDIETARY_SUPPLEMENT
Nattokinase group
PlaceboDIETARY_SUPPLEMENT
Placebo group

Eligibility Criteria

Age20 Years - 69 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age between 20 and 69 years
  • Hypercholesterolemia (200mg/dL ≤ serum cholesterol ≤ 280mg/dL)
  • Nondiabetic (fasting blood glucose \< 126mg/dL and 2-hour blood glucose \< 200mg/dL)

You may not qualify if:

  • Use of any medication or supplements
  • Diagnosis of dyslipidemia, diabetes mellitus, hypertension, liver disease, renal disease, cardiovascular disease, pancreatitis, cancer, or any life-threatening illness that required regular medical treatment
  • Women who were pregnant, breastfeeding or intending to become pregnant during the study period
  • Drug or alcohol abuse

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Laboratory of Clinical Nutrigenetics/Nutrigenomics, Yonsei University.

Seoul, 120-749, South Korea

Location

MeSH Terms

Conditions

Hypercholesterolemia

Interventions

nattokinase

Condition Hierarchy (Ancestors)

HyperlipidemiasDyslipidemiasLipid Metabolism DisordersMetabolic DiseasesNutritional and Metabolic Diseases

Study Officials

  • Jong Ho Lee, Ph.D.

    Yonsei University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

September 20, 2016

First Posted

September 23, 2016

Study Start

May 1, 2015

Primary Completion

September 1, 2016

Study Completion

September 1, 2016

Last Updated

September 23, 2016

Record last verified: 2016-09

Data Sharing

IPD Sharing
Will not share

Locations