NCT04529473

Brief Summary

This 12 week placebo-controlled study evaluates the efficacy and safety of E. hallii supplementation.

Trial Health

90
On Track

Trial Health Score

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

Enrollment
100

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Feb 2021

Geographic Reach
3 countries

3 active sites

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

First Submitted

Initial submission to the registry

August 18, 2020

Completed
9 days until next milestone

First Posted

Study publicly available on registry

August 27, 2020

Completed
5 months until next milestone

Study Start

First participant enrolled

February 3, 2021

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 23, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 23, 2022

Completed
Last Updated

November 15, 2022

Status Verified

November 1, 2022

Enrollment Period

1.6 years

First QC Date

August 18, 2020

Last Update Submit

November 14, 2022

Conditions

Outcome Measures

Primary Outcomes (4)

  • 2-hour blood glucose incremental Area Under the Curve (AUC)

    as measured by standard Oral Glucose Tolerance Test (OGTT)

    From Baseline to Week 12

  • 2-hour blood insulin incremental AUC

    as measured by standard OGTT

    From Baseline to Week 12

  • Post-prandial insulin sensitivity

    as measured by insulin sensitivity index-OGTT (ISI-OGTT)

    From Baseline to Week 12

  • Glycated haemoglobin (HbA1c)

    Change from baseline to Week 12 in each of the treatment groups as compared to placebo in A1c levels

    From Baseline to Week 12

Secondary Outcomes (5)

  • Glycaemic Variability (GV) over the 24-hr period

    From Baseline to Week 12

  • Glycaemic Control (GC) over the 24-hr period

    From Baseline to Week 12

  • GV during sleeping hours

    From Baseline to Week 12

  • Fasting Blood Glucose

    From Baseline to Week 12

  • Blood Pressure

    From Baseline to Week 12

Other Outcomes (4)

  • Safety Blood Profile

    From Baseline to Week 12

  • Vitals

    From Baseline to Week 12

  • Vitals

    From Baseline to Week 12

  • +1 more other outcomes

Study Arms (2)

Placebo

PLACEBO COMPARATOR

1 capsule per day, consumed orally, before breakfast for the duration of the study.

Other: Placebo

Eubacterium hallii

EXPERIMENTAL

1 capsule per day, consumed orally, before breakfast for the duration of the study.

Dietary Supplement: Eubacterium hallii

Interventions

Eubacterium halliiDIETARY_SUPPLEMENT

Eubacterium hallii, ≥ 1x10\^9 live bacterial cells (per capsule)

Eubacterium hallii
PlaceboOTHER

Placebo capsules are identical to the active treatment

Placebo

Eligibility Criteria

Age21 Years - 69 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Give written informed consent;
  • Be male and aged between 21 and 69 years, inclusive; or be female and aged between 45 and 69, inclusive
  • Have a body mass index between 18.5 to 43 Kg/m2;
  • Have a waist-circumference \> 94cm (37inches) for males and ≥80cm (31.5inches) for females (IDF criterion for Metabolic Syndrome);
  • Have a measured Hb1Ac level of 5.5 to 8.0% (36.6 to 63.9 mmol/mol, 6.2 to 10 mmol/L) inclusive;
  • If participant has a prior diagnosis of pre-diabetes or Type II diabetes who has been unmedicated for 3-months prior to screening;
  • Be female and be post or peri-menopausal (female who have not had a menstrual period within the previous 9 months)
  • Be willing to maintain dietary habits and physical activity levels throughout the study period;
  • Be willing to consume the investigational product daily for the duration of the study;
  • Capable and willing to wear the PCGM sensor
  • Be able to communicate well with the Investigator, to understand and comply with the requirements of the study, and be judged suitable for the study in the opinion of the Investigator

You may not qualify if:

  • Morbid obesity (BMI ≥43.1);
  • Prior diagnosis of Type I diabetes mellitus (i.e. a clinical diagnosis made before the screening visit of this study);
  • Participants with a prior diagnosis of Type II diabetes who have received a glucose lowering medication (e.g. Metformin, Sulfonylureas, Meglitinides, Thiazolidinediones, DPP-4 inhibitors, GLP-1 receptor agonists, SGLT2 inhibitors) or insulin therapy, in the previous 3 months;
  • Presence of significant dyslipidaemia (Note: ongoing treatment with stable (3-months) low-dose statins is acceptable);
  • Presence of significant cardiovascular disease, including but not limited to significant systemic hypertension (SBP ≥160 mmHg and/or DBP ≥100 mmHg), pulmonary hypertension, or other unstable cardiopulmonary conditions, limiting or unstable angina, congestive heart failure. (Note: ongoing treatment with stable (3 months) antihypertensives is acceptable);
  • Present or recent (within 2 months of screening) use of dietary supplements intended to affect the level of blood glucose. The use of replacement doses of Vitamin D, calcium supplements, and a single daily multi-vitamin tablet is allowed, if stable (3-months);
  • Participant regularly takes probiotic supplements, or has done within the 4-weeks prior to screening or plans to during the study;
  • Participant has taken oral antibiotics, antifungal, antiparasitic, or antiviral treatment in the 4-weeks prior to screening (topical permissible);
  • Participant has a history of co-existing gastrointestinal, and/or gynaecological, and/or urologic pathology (e.g. colon cancer, colitis, Crohn's Disease, Celiac, Endometriosis, prostate cancer);
  • Presence or history of significant and diagnosed gastrointestinal diseases that, in the opinion of the investigator, could be associated with disturbed gastrointestinal absorption (e.g., resections, diverticula, active and diagnostically confirmed irritable bowel syndrome, malabsorption syndrome);
  • Presence or history of significant other acute or chronic coexisting illness which, in the opinion of the investigator, could compound the outcome of the study, including but not limited to kidney, liver or renal disease/dysfunction, uncontrolled metabolic disease, atrial fibrillation, syncope and known or suspected right-to-left, bi-directional or transient right-to-left cardiac shunts;
  • Participant has a cardiac pacemaker;
  • Present or recent (within 3-months of screening) use of any other medication which, in the opinion of the investigator, could interfere with the outcome of the study, including but not limited to antithrombotic agents, anti-inflammatory agents and chronic NSAID use (except low-dose prophylactic, proton pump inhibitors (PPIs), antihistamines, if ongoing (3-months) and on a stable dose throughout study period);
  • Steroids (over-the-counter (OTC) NSAIDS, topical steroids and inhalers are allowed)
  • Current or planned participation in a weight-loss regimen, including extreme dietary practices or exercise;
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Atlantia Food Clinical Trials, Chicago

Chicago, Illinois, 60611, United States

Location

Atlantia Food Clinical Trials

Cork, T23 R50R, Ireland

Location

CPS Research

Glasgow, Scotland, G20 0XA, United Kingdom

Location

Related Publications (1)

  • Attaye I, Bird JK, Nieuwdorp M, Gul S, Seegers JFML, Morrison S, Hofkens S, Herrema H, Bui N, Puhlmann ML, de Vos WM. Anaerobutyricum soehngenii improves glycemic control and other markers of cardio-metabolic health in adults at risk of type 2 diabetes. Gut Microbes. 2025 Dec;17(1):2504115. doi: 10.1080/19490976.2025.2504115. Epub 2025 May 15.

MeSH Terms

Conditions

Glucose IntoleranceInsulin ResistanceGlucose Metabolism DisordersMetabolic Syndrome

Condition Hierarchy (Ancestors)

HyperglycemiaMetabolic DiseasesNutritional and Metabolic DiseasesHyperinsulinism

Study Officials

  • James Ryan, MD

    Atlantia Food Clinical Trials

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 18, 2020

First Posted

August 27, 2020

Study Start

February 3, 2021

Primary Completion

August 23, 2022

Study Completion

August 23, 2022

Last Updated

November 15, 2022

Record last verified: 2022-11

Locations