NCT02622425

Brief Summary

This randomized, placebo-controlled trial aims to determine the effects of daily administration of a carotenoid-producing Bacillus strain PD01 over a 6-week period on cardiovascular health biomarkers, microbiota composition and functioning and intestinal barrier function in overweight subjects.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
62

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Jun 2015

Shorter than P25 for phase_2

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

Study Start

First participant enrolled

June 1, 2015

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

November 30, 2015

Completed
1 day until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2015

Completed
3 days until next milestone

First Posted

Study publicly available on registry

December 4, 2015

Completed
Last Updated

December 12, 2016

Status Verified

December 1, 2016

Enrollment Period

6 months

First QC Date

November 30, 2015

Last Update Submit

December 9, 2016

Conditions

Keywords

CarotenoidBacillusMicrobiotaCardiovascular health

Outcome Measures

Primary Outcomes (1)

  • Effect on lipid peroxidation measured urinary F2-isoprostane excretion

    The primary objective of this study is to evaluate the efficacy of PD01 on lipid peroxidation by measuring F2-isoprostane excretion in 24-hour urine, after 6 weeks of administration.

    6 weeks

Secondary Outcomes (16)

  • Effect on lipid peroxidation measured by blood concentration of F2-isoprostanes

    6 weeks

  • Effect on lipid peroxidation measured by blood total antioxidant capacity

    6 weeks

  • Effect on lipid peroxidation measured by blood MDA concentration

    6 weeks

  • Effect on low-grade inflammation measured by blood concentration of TNFalfa

    6 weeks

  • Effect on platelet aggregation measured by blood concentration of P-selectin

    6 weeks

  • +11 more secondary outcomes

Study Arms (2)

PD01

ACTIVE COMPARATOR

Carotenoid-producing Bacillus strain PD01

Dietary Supplement: PD01

Placebo

PLACEBO COMPARATOR

Maltodextrin

Dietary Supplement: Placebo

Interventions

PlaceboDIETARY_SUPPLEMENT

maltodextrin

Placebo
PD01DIETARY_SUPPLEMENT

Carotenoid-producing Bacillus strain PD01

PD01

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Overweight men/women (BMI 25-35 kg/m2)
  • Healthy individuals
  • Age between 18 and 70 years
  • Fasting glucose \< 7.0 mmol/L
  • Normal HbA1c (4.4 to 6.2%)

You may not qualify if:

  • Type 2 diabetes mellitus (defined as fasting plasma glucose ≥ 7.0 mmol/L);
  • History of (severe) cardiovascular, respiratory, urogenital, gastrointestinal/hepatic, hematological/immunologic, HEENT (head, ears, eyes, nose, throat), dermatological/connective tissue, musculoskeletal, metabolic/nutritional, endocrine, neurological diseases, allergy, major surgery and/or laboratory assessments which might limit participation in or completion of the study protocol.
  • Abdominal surgery interfering with gastrointestinal function, upon judgment of the principle investigator)
  • Use of medication interfering with endpoints
  • Use of antioxidants, minerals and vitamin supplements available in pharmacies, drugstores, food markets or in alternative medicine
  • Administration of investigational drugs or participation in any scientific intervention study which may interfere with this study (to be decided by the principle investigator), in the 180 days prior to the study
  • Use of antibiotics in the 90 days prior to the start of study
  • Known pregnancy, lactation
  • Abuse of products; alcohol (\> 20 alcoholic consumptions per week) and drugs
  • Smoking
  • Blood donation within 3 months before study period
  • Plans to lose weight or following a hypocaloric diet during the study period;
  • Weight gain or loss \> 3 kg in previous 3 months
  • High physical activity (\>4.5 hours of running/week)
  • Hormone replacement therapy (women)
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

MUMC+

Maastricht, Limburg, 6229HX, Netherlands

Location

MeSH Terms

Conditions

OverweightObesity

Condition Hierarchy (Ancestors)

OvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Ad Masclee, MD

    Maastricht University Medical Center

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD

Study Record Dates

First Submitted

November 30, 2015

First Posted

December 4, 2015

Study Start

June 1, 2015

Primary Completion

December 1, 2015

Study Completion

December 1, 2015

Last Updated

December 12, 2016

Record last verified: 2016-12

Locations