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The effects of peptide on mood states : A randomized, double-blind, placebo-controlled study

The effects of peptide on mood states : A randomized, double-blind, placebo-controlled study - The effects of peptide on mood states : A randomized, double-blind, placebo-controlled study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000051990
Enrollment
100
Registered
2023-08-24
Start date
2023-08-24
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

Intake of sachet containing peptide for 8 weeks Intake of placebo sachet for 4 weeks

Sponsors

Bunkyo University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Subjects between 18 to 64 years old

Exclusion criteria

Exclusion criteria: 1) Subjects who use supplements, functional foods, or drugs associated with mental health. 2) Subjects with a history of and/or current mental illness or suspicion of mental illness. 3) Subjects who are undergoing medical treatment or have a previous medical history of serious diseases. 4) Subjects who have excessive alcoholic drinks (more than 60 g/day of alcohol). 5) Subjects who have severe drug allergy or severe food allergy, and/or a previous medical history of such allergies. 6) Subjects who participated in other clinical studies within 1 month before giving informed consent to participate in this study, or are planning to participate in other studies during this study. 7) Subjects who are pregnant or lactating, or who are expected to be pregnant during the study. 8) Subjects who are judged as ineligible to participate in this study by the principal investigator based on their background, physical findings, and so on.

Design outcomes

Primary

MeasureTime frame
POMS2 Japanese Adult Short version

Secondary

MeasureTime frame
1. Hospital Anxiety and Depression Scale 2. Chalder Fatigue Scale 3. Subjective fatigue (Visual Analog Scale) 4. OSA sleep inventory MA version

Countries

Japan

Contacts

Public ContactTsuzuki Keisuke

Bunkyo University Faculty of Health and Nutrition

tsuzuki@bunkyo.ac.jp0467-53-2111

Outcome results

None listed

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