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CompletedNCT02972463Updated Sep 5, 2018

The Influence of IgY Max on Inflammatory Markers and the Gut Microbiome

A Phase 1/2 interventional study of Immunoglobulin Y and Placebo in Healthy, sponsored by Igy Nutrition, LLC. Completed at 1 site in Canada. Open to participants aged 18 Years to 60 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2018-09-05.

Sponsored by Igy Nutrition, LLC · Phase 1/2, Interventional, and Prevention

Phase
Phase 1/2
Study type
Interventional
Enrollment
100
Allocation
Randomized
Ages
18 Years to 60 Years
Sex
All
01

Study summary

The purpose of this study is to determine the optimal dose of IgY as assessed by changes in the inflammatory marker, C-reactive protein and investigate the effect of IgY on the gut microbiome as assessed by 16s RNA sequencing of fecal samples.

02

Conditions studied

  • Healthy

Keywords

  • Gastrointestinal
  • Microbiome
  • Inflammation
03

In context

Lead sponsor

This is the only study on the registry with Igy Nutrition, LLC as lead sponsor.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 60 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Male or female adults aged 18 - 60 (inclusive)
  • Self-reported complaints of minor gastrointestinal symptoms (i.e. occasional gas, bloating, etc.)
  • Non-smoker, or ex-smoker ≥6 months
  • Body mass index 25.0- 34.9kg/m2 (inclusive)
  • Female subjects of childbearing potential [i.e. not surgically sterilized or post-menopausal (greater than one year since last menses)] must have negative urine pregnancy test and must be using an effective birth control method
  • Willing to avoid alcohol consumption for 24 h prior to every clinic visit
  • Willing to maintain their regimens of medications and supplements known to alter GI function (including, but not limited to, iron supplements, calcium, and anti-depressants)
  • Willing to maintain a stable body weight, activity level and dietary pattern except for use of the study products, as directed
  • Willing and able to provide informed written consent

Exclusion criteria

Exclusion Criteria:

  • Pregnancy or lactation, or subject unwilling to take appropriate contraceptives for the duration of the study
  • Use of prescription non-steroidal anti-inflammatory drugs (or daily use of over the counter non-steroidal anti-inflammatory drugs >1month), steroids, corticosteroids, or any other prescription anti-inflammatory drugs within 3 months prior to visit 1
  • Unstable use (i.e. initiation or change in dose) of antihypertensive medications or thyroid hormone replacement medications within 3 months prior to visit 1
  • Use of any weight-loss programs or weight-loss medications (prescription or over-the counter) including, but not limited to, lipase inhibitors, within 3 months prior to visit
  • Use of over the counter or prescription laxatives or stool softeners within 1 month prior to baseline (V2)
  • Use of antibiotics (other than topical) within 2 months prior to baseline (V2)
  • Use of prebiotic supplements (e.g. fructans and galacto-oligosaccharides (FOS, GOS), psyllium, fiber, inulin) or probiotic supplements (i.e. live microorganisms) within 4 weeks of baseline (V2) and consumption of foods fortified with prebiotics (e.g. inulin) or probiotics within 2 weeks of baseline (V2)
  • History of blood clotting disorders or use of coagulation-inhibiting drugs (e.g. warfarin)
  • Individuals with achlorhydria
  • Presence of major diseases such as diabetes, gastrointestinal disease, cardiovascular disease, pancreatic, renal, or liver disease
  • Chronic diarrhea or constipation, irritable bowel syndrome, or inflammatory bowel disease
  • Abdominal or gastrointestinal surgery within the previous 12 months or planned abdominal or gastrointestinal surgery in the next 4 months
  • Recent gastrointestinal food-borne illness (within 1 month prior to visit 1)
  • History of neurological disease (e.g. Parkinson's disease, stroke, traumatic brain injury, etc.)
  • History of cancer (excluding non-melanoma skin cancer and basal cell carcinoma) in the past 5 years
  • Uncontrolled hypertension defined as a seated resting systolic blood pressure ≥140 mmHg and/or diastolic blood pressure ≥90 mmHg
  • Abnormal laboratory test results of clinical significance, including, but not limited to ALT or AST ≥1.5X the upper limit of normal at screening (visit 1)
  • Presence or history (past 6 months) of alcohol or drug abuse; alcohol use of >2 standard alcoholic drinks per day
  • Extreme dietary habits (e.g. vegan or very low carbohydrate diets)
  • Subject has a known allergy or intolerance to the test products or placebo
  • Subject is unwilling or unable to abide by the requirements of the protocol
  • Any condition that would interfere with the subject's ability to comply with study instructions, might confound the interpretation of the study, or put the subject at risk
  • Subject has taken an investigational health product or has participated in a research study within 30 days prior to first study visit
05

Study design

Phase
Phase 1 / Phase 2
Primary purpose
Prevention
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
100 participants (actual)

Study arms

  • Placebo comparator
    Placebo

    9 maltodextrin capsules, once daily for 12 weeks

    Other: Placebo

  • Experimental
    IgY Max Low-Dose (1g IgY Max)

    2 Immunoglobulin Y capsules and 7 maltodextrin capsules, once daily for 12 weeks

    Dietary Supplement: Immunoglobulin Y

  • Experimental
    IgY Max Mid-Dose (2g IgY Max)

    4 Immunoglobulin Y capsules and 5 maltodextrin capsules, once daily for 12 weeks

    Dietary Supplement: Immunoglobulin Y

  • Experimental
    IgY Max High-Dose (4.5g IgY Max)

    9 Immunoglobulin Y capsules, once daily for 12 weeks

    Dietary Supplement: Immunoglobulin Y

Interventions

  • Dietary supplementImmunoglobulin Y

    Also known as: IgY Max

  • OtherPlacebo

    Also known as: Maltodextrin

06

What researchers measure

Primary outcomes

  1. C-reactive protein

    Time frame: 12 weeks

Secondary outcomes

  1. C-reactive protein

    Time frame: 2 weeks and 4 weeks

  2. Gastrointestinal Symptoms

    Total Gastrointestinal Quality of Life Index (GIQLI) score

    Time frame: 2, 4, 8 and 12 weeks

Other outcomes

  1. Intestinal microbiome

    As measured by microbial abundance by 16S RNA sequencing of feces

    Time frame: 12 weeks

  2. Stool frequency

    Self-reported number of movements daily averaged over each week

    Time frame: 12 weeks

  3. Stool consistency

    Bristol Stool Scale, self-reported per bowel movement and averaging over each week

    Time frame: 12 weeks

  4. Adverse events

    Number of subjects with a treatment emergent adverse effect

    Time frame: 12 weeks

07

Study locations

1 site
  • Nutrasource
    Guelph, Ontario N1G 0B4, Canada
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Sep 5, 2018, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT02972463
Lead sponsor
Igy Nutrition, LLC
Collaborators
Nutrasource Pharmaceutical and Nutraceutical Services, Inc.
Responsible party
Sponsor
First posted
Nov 23, 2016
Start date
Jan 13, 2017
Primary completion
Jan 12, 2018
Completion
Jan 12, 2018
Last update
Sep 5, 2018

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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