Effects of food ingredients on knee joint symptoms in healthy volunteers with knee joint symptoms.

Effects of food ingredients on knee joint symptoms in healthy volunteers with knee joint symptoms. - Effects of food ingredients on knee joint symptoms.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000038290

Enrollment

Registered

2019-10-14

Start date

2020-01-15

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 volunteer

Interventions

Ingestion of food ingredients-1 for 12 consecutive weeks. Ingestion of food ingredients-2 for 12 consecutive weeks. Ingestion of food ingredients-3 for 12 consecutive weeks.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Subjects who are adult male and female with subjective symptoms of knee joint pain. 2. Subjects with relatively high degree of knee pain in subjective symptoms. 3. Subjects who have agreed to participate in this study.

Exclusion criteria

Exclusion criteria: 1. Subjects with a history of treatment of malignant tumor, heart failure, myocardial infarction. 2. Subjects receiving treatment for the following chronic diseases, atrial fibrillation, arrhythmia, liver disorder, kidney disorder, cerebrovascular disorder, rheumatism, diabetes, dyslipidemia, hypertension, knee joint disease, other chronic diseases. 3. Subjects who routinely use medicines (including herbal medicine). 4. Subjects who are taking action to improve knee joint pain (including going to the hospital and treatment), and using medicines and health foods. 5. Subjects with allergies (medicine / test food related food). 6. Subjects who are planning to become pregnant or lactating. 7. Subjects who are judged as unsuitable for the study by doctor for other reasons.

Design outcomes

Primary

Measure	Time frame
JKOM, JOA	—

Secondary

Measure	Time frame
Knee joint subjective symptoms (VAS) Blood test (CTx-II, C2C, PIIANP)	—

Countries

Japan

Contacts

Public ContactMaya Sakashita

Pharma Foods International Co., Ltd. Research and Development Department

m-sakashita@pharmafoods.co.jp075-394-8605

Outcome results

None listed

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