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Effects of Lactic Acid Bacteria on mood: a randomized, double-blinded, placebo-controlled trial.

Effects of Lactic Acid Bacteria on mood: a randomized, double-blinded, placebo-controlled trial. - Effects of Lactic Acid Bacteria on mood: a randomized, double-blinded, placebo-controlled trial.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000047065
Enrollment
60
Registered
2022-03-09
Start date
2022-03-10
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None

Interventions

Sponsors

Matsumoto Junior College
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Subjects between 20 to 64 years old

Exclusion criteria

Exclusion criteria: 1) Subject who regularly use medicines, supplements, and other foods containing lactic acid bacteria and Bifidobacterium (excluding general foods such as yogurt). 2) Subject who regularly takes medicines or supplements that affect mood and fatigue. 3) Subject who has participated in other drug or food clinical trials within the past month. 4) Subjects who have a history of serious disorders in liver, kidney, heart, lung, gastro-intestine, blood, endocrine system, or metabolic system etc. 5) Subject with a history of drug or severe food allergy. 6) Subject who is pregnant or under lactation, or who is expected to be pregnant during the study. 7) Subject who is judged inappropriate to this trial by the investigator based on subject background, physical examination, etc.

Design outcomes

Primary

MeasureTime frame
PANAS (The Positive and Negative Affect Schedule)

Secondary

MeasureTime frame
Mood state subjective symptoms (SF-36v2 acute version, etc.)

Countries

Japan

Contacts

Public ContactIzumi Kakiuchi

Matsumoto Junior College Department of Nursing

mjc-i.kakiuti@matsutan.ac.jp0263-58-4417

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026