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Influence of collagen intake on growth hormone

Influence of collagen intake on growth hormone - Influence of collagen intake on growth hormone

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000016587
Enrollment
30
Registered
2015-02-20
Start date
2015-09-29
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 Adult

Interventions

8week 2pack per day Once a day Administer study drugs to subjects within 8 weeks. 8week 2pack per day Once a day Administer placebo to subjects within 8 weeks.

Sponsors

Shiba Palace Clinic
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: -Japanese females aged 30-39 -A person who feels skin roughness.

Exclusion criteria

Exclusion criteria: -A person who is judged inappropriate to join the study by doctor in charge. -A person with arrhythmia and severe anemia. -A person who is using blood-coagulation inhibitor (e.g. warfarin). -A person who has anemia symptom (e.g. dizziness, lightheadedness, headache, palpitations, short of breath) everyday. -A person that quantity of total drawn blood is more than 400mL within three months or more than 200mL within two months before this study. -A person who is pregnant, could be pregnant in near future, or is breast feeding. -A person who possibly shows allergy symptom due to test products ingredient. -A person who is alcohol dependence. -A person who is routinely taking a health food

Design outcomes

Primary

MeasureTime frame
Growth hormone(GH)

Secondary

MeasureTime frame
IGF-1 (somatomedin C) Amino acid analysis (41 types) (amino acids fractionation) Measurement of skin conditions (elasticity and water content of the skin, DermaLab, VISIA-Evolution)

Countries

Japan

Contacts

Public Contactko masuda

SOUKEN Co., Ltd Management Division

k_masuda@mail.souken-r.com03-5406-1555

Outcome results

None listed

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