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Influence of heat-killed Lactococcus lactis H61 on iron status: a randomized double-blind, parallel-group, placebo-controlled trial

Influence of heat-killed Lactococcus lactis H61 on iron status: a randomized double-blind, parallel-group, placebo-controlled trial - Influence of heat-killed Lactococcus lactis H61 on iron status

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000030815
Enrollment
50
Registered
2018-01-15
Start date
2018-01-22
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 volunteers

Interventions

Intake of heat-killed Lactococcus lactis H61 for 4 weeks Intake of placebo for 4 weeks

Sponsors

Juntendo University, Graduate School of Health and Sports Science
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Healthy female, aged 18 to 25 years. 2. Subjects in good physical condition such that they can perform testing safely. 3. Subjects who have given voluntary, written, informed consent to participate in the study.

Exclusion criteria

Exclusion criteria: 1. Subjects suffering from serious cardiovascular disorder, liver function disorder, renal dysfunction, respiratory disorder, endocrine disorder, metabolic disorder, or those having history of them 2. Subjects with history of chest pain or fainting. 3. Subjects who are likely to cause allergies related to the test supplement 4. Subjects who donated 200 mL within 1 month prior to the start of the study, or 400 mL (blood donation etc.) within 3 months 5. Smokers 6. Subjects who are judged as unsuitable for this study by physician.

Design outcomes

Primary

MeasureTime frame
hemoglobin, ferritin, transferrin saturation Pre and Post intake (4 weeks)

Countries

Japan

Contacts

Public ContactYoshio Suzuki

Juntendo University Graduate School of Health and Sports Science

yssuzuki@juntendo.ac.jp+81-476-98-1001

Outcome results

None listed

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