Influence of collagen intake on growth hormone

Not Applicable

• Conditions: Healthy Adult

• Registration Number: JPRN-UMIN000016587
• Lead Sponsor: Shiba Palace Clinic

Brief Summary

A tendency to increase the serum GH by ingestion of collagen was observed.

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2015-02-20
• Study Completion: 2015-10-30
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Complete: follow-up complete
• Sex: Female
• Target Recruitment: 24

Inclusion Criteria

Not provided

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

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Growth hormone(GH)

Secondary Outcome Measures

Name	Time	Method
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)