Ireland
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Starting soon Not applicable

Probiotic IBNI617 for Moderate to Severe Depression

NCT07728253 · tracked via the Priya Life Science China tracker
Sponsor
IBIOME BIOTECHNOLOGY CO., LTD
Phase
Not applicable
Started
2026-08
Last updated
2026-07-30

Condition(s) studied

Major Depressive Disorder (MDD)IBNI617

Investigational drug(s) / intervention(s)

Live biotherapeutic productPlacebo

Live biotherapeutic product: IBNI617 PO BID

Placebo: Placebo PO BID

Study summary

IBNI617 is a live biotherapeutic product(LBP). This is a randomized, double-blind, placebo-controlled, parallel-group Phase II clinical trial to evaluate the efficacy and safety of IBNI617 in adult patients with major depressive disorder (MDD).

Eligible participants will be randomized in a 1:1 ratio to receive either IBNI617 or matched placebo twice daily for 8 weeks.

The primary objective is to assess the efficacy of IBNI617 compared with placebo, as measured by the change from baseline in HAM-D-17 total score at Week 8.

Eligibility

Sex
ALL
Min age
18 Years
Max age
65 Years
Healthy volunteers
No
Inclusion Criteria: * Meets DSM-5 criteria for a single episode or recurrent episode; * HAM-D-17 ≥ 22, total score of HAM-D-17 items 4, 5, and 6 ≥ 3; * MADRS ≥ 20, CGI-S ≥ 4; * Absence of antidepressant medication use or discontinuation of antidepressant medication prior to screening. Exclusion Criteria: * Treatment-resistant depression; * Suicide attempt or suicide behavior within the past 6 months; * Used antibiotics within the past 2 weeks; * Currently use insomnia medication, excluding non-benzodiazepine drugs taken consistently for 4 weeks; * With medical history or surgical history that may affect probiotic colonization.

Primary outcome measure(s)

  • To assess the efficacy of IBNI617 compared with placebo, as measured by the change from baseline in Hamilton Depression Scale (HAM-D-17) total score at Week 8. — 8 weeks
    The HAM-D-17 is a 17-item, clinician-rated scale that assesses depressive symptoms. Each item is rated on a scale of 0-2 or 0-4. The total score can range from 0-52. Higher HAM-D-17 scores indicate more severe depression.

Trial sites (1)

FacilityCityRegionStatus
Shanghai Mental Health Center Shanghai China
Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07728253 on ClinicalTrials.gov ↗ ← All trials in China