Effect of probiotics on serum sex-hormone concentration -an open-labeled pilot study-

Effect of probiotics on serum sex-hormone concentration -an open-labeled pilot study- - Effect of probiotics on serum sex-hormone concentration -an open-labeled pilot study-

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000052825

Enrollment

Registered

2023-11-17

Start date

2023-11-17

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

Healthy

Interventions

Intake of lyophilized lactic acid bacteria-containing capsule (2 capsules/day) for 12 weeks.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy male and female

Exclusion criteria

Exclusion criteria: 1. Taking medicines for chronic disease 2. Predicted to be sick after screening 3. premenopausal women 4. Taking supplements that may affect the sex hormone levels and intestinal microbiota 5. Participation in any clinical trial within 90 days of the commencement of the trial

Design outcomes

Primary

Measure	Time frame
Change in serum testosterone level after 12-week intake period	—

Secondary

Measure	Time frame
Changes in following items after 12-week intake period: body mass index, body fat percentage, bone mass, serum estradiol, fecal microbiota	—

Countries

Japan

Contacts

Public ContactMasafumi Noda

Graduate School of Biomedical and Health Sciences, Hiroshima University Probiotic Science for Preventive Medicine

bel@hiroshima-u.ac.jp082-257-5288

Outcome results

None listed

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