NCT01549600

Brief Summary

The Purpose of this study is to compare the effects of 2 types of dietary fiber, psyllium and microcrystalline cellulose (MCC), on glycemic measures in subjects with impaired fasting glucose.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
18

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Feb 2012

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

February 1, 2012

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

March 6, 2012

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 9, 2012

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2013

Completed
Last Updated

October 28, 2014

Status Verified

April 1, 2014

Enrollment Period

1.2 years

First QC Date

March 6, 2012

Last Update Submit

October 27, 2014

Conditions

Outcome Measures

Primary Outcomes (1)

  • fasting serum glucose

    mean change from baseline in fasting serum glucose at 8 weeks

    8 weeks

Study Arms (2)

psyllium

EXPERIMENTAL

5.1 g psyllium husk in at least 8 ounces of water

Dietary Supplement: psyllium

Microcrsytalline Cellulose

ACTIVE COMPARATOR

1.18 g Microcrystalline Cellulose in at least 8 ounces of water, taken twice a day

Dietary Supplement: Microcrystalline Cellulose

Interventions

psylliumDIETARY_SUPPLEMENT

1 level tablespoon (\~ 5.1 g psyllium husk in the psyllium product) mixed with at least 8 ounces of water, taken twice daily

psyllium
Microcrystalline CelluloseDIETARY_SUPPLEMENT

1 level tablespoon (\~ 1.18 g MCC in the MCC product) mixed with at least 8 ounces of water, taken twice a day

Microcrsytalline Cellulose

Eligibility Criteria

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

You may qualify if:

  • be male or female,
  • at least 18 years of age
  • in generally good health for the pre-type 2 diabetes population;
  • if female, be postmenopausal or if of child-bearing capacity agree to use an adequate form of contraception
  • have not used any psyllium containing products within the past 3 months;
  • be willing to refrain from taking any psyllium containing products during the study;
  • be willing to maintain a lifestyle habits for the duration of the study;
  • have a fasting serum glucose of 110 - 125 mg/dL

You may not qualify if:

  • if female, are pregnant or nursing (lactating);
  • have a history of diabetes (diagnosis) or is currently taking medications for diabetes
  • participated in a clinical drug study or used investigational drug during the previous 30 days;
  • have symptoms and signs suggestive of significant underlying disease, or acute onset of new symptoms and signs of major organ disease, that could become unstable during the trial requiring urgent medical intervention
  • have evidence of or treatment history of malignancy within the previous 5 years;
  • currently alcohol dependent;
  • used anti-psychotics in the previous 3 months;
  • used systemic steroidal agents within the last 30 days;
  • had used oral or systemic antibiotics or any over-the-counter (OTC) bactericidal medication (eg, bismuth salts) within the last 30 days;
  • has been taking any medication that may affect blood glucose or GI motility (eg, calcium channel blockers, beta blockers, antimuscarinics, salicylates etc.) for less than 30 days or 5 times the half life of the drug (need to be stable on the medication);
  • have evidence of immunodeficiency including subjects currently taking systemic corticosteroids or immunosuppressive drugs
  • have a major psychiatric disorder, including major depression, psychoses, alcohol or substance abuse within the past 2 years;
  • has a known sensitivity or allergy to any components of study products, including psyllium and aspartame (see Section 3.5.3);
  • were previously screened (ie, Visit 1 procedures) for participation in this study and failed to meet entry criteria;
  • have difficulty swallowing

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Duke University Medical Center

Durham, North Carolina, 27710, United States

Location

MeSH Terms

Interventions

Psylliummicrocrystalline cellulose

Intervention Hierarchy (Ancestors)

Plant ExtractsPlant PreparationsBiological ProductsComplex Mixtures

Study Officials

  • John McRorie, PhD

    Procter and Gamble

    STUDY DIRECTOR
  • Mark Feinglos, MD

    Duke University

    PRINCIPAL INVESTIGATOR
  • Richard Surwit, PhD

    Duke University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 6, 2012

First Posted

March 9, 2012

Study Start

February 1, 2012

Primary Completion

May 1, 2013

Study Completion

May 1, 2013

Last Updated

October 28, 2014

Record last verified: 2014-04

Locations